Sec Form 13D Filing - Yorkville BW Acquisition Sponsor LLC filing for - 2025-12-02

Insider filing report for Changes in Beneficial Ownership

  • Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
  • Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>





If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes (i) 430,000 Class A Ordinary Shares, $0.0001 par value (the "Class A Ordinary Shares") included in Private Units (as defined below), and (ii) 6,325,000 of the Issuer's Class B ordinary shares, $0.0001 par value (the "Class B Ordinary Shares", and together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-285075). Such securities were acquired by Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor") pursuant to the Purchase Agreement, dated November 25, 2025, among Blue Water Acquisition Corp. III (the "Issuer"), Blue Water Acquisition III LLC (the "Prior Sponsor"), under which the New Sponsor (i) acquired from the Prior Sponsor (a) all of the Issuer's outstanding Class B Ordinary Shares and (b) 430,000 of the Issuer's private placement units (the "Private Units," together with the Class B Ordinary Shares, the "Acquired Securities"), with each Private Unit comprised of one Class A Ordinary Share and one-half of one warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share (a "Private Warrant"), which will become exercisable beginning at the later of 12 months from the closing of the SPAC's initial public offering and 30 days after the completion of a Business Combination and will expire at 5:00 p.m., New York City time, five years after the consummation of the Business Combination, or earlier upon redemption or liquidation, and (ii) became the sponsor of the Issuer. The responses to Items 7 - 13 of the cover pages of this Schedule 13D do not take into account the aforementioned 215,000 Private Warrants, because such Private Warrants are not presently exercisable. YA II PN, Ltd. ("YA II PN") is a member and the sole manager of the New Sponsor and has voting and investment discretion over the securities held by the Sponsor. Management and control of the Sponsor are vested exclusively in the sole manager; the other members have no voting, consent, or dispositive rights with respect to the SPAC securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares and Private Units held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D

 
Yorkville BW Acquisition Sponsor, LLC
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
 
YA II PN, Ltd.
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
 
YA Global Investments II (U.S.), LP
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
 
Yorkville Advisors Global, LP
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
 
Yorkville Advisors Global II, LLC
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
 
YAII GP, LP
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
 
YAII GP II, LLC
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
 
Mark Angelo
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
 
SC-Sigma Global Partners, LP
 
Signature:/s/ Mark Angelo
Name/Title:Mark Angelo, President
Date:12/02/2025
primary_doc.xml