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"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
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MAXCYTE, INC. (Name of Issuer) |
Equity (Title of Class of Securities) |
57777K106 (CUSIP Number) |
Nusayhah Ghaboos 30 Coleman Street, London, X0, EC2R 5AL 0203 908 8791 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
07/31/2026 (Date of Event Which Requires Filing of This Statement) |
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.


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
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| CUSIP No. | 57777K106 |
| 1 |
Name of reporting person
RIVER GLOBAL INVESTORS LLP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
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| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
UNITED KINGDOM
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 11 | Aggregate amount beneficially owned by each reporting person
834,100.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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| 13 | Percent of class represented by amount in Row (11)
0.8 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IV |
SCHEDULE 13D
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| Item 1. | Security and Issuer |
| (a) | Title of Class of Securities:
Equity |
| (b) | Name of Issuer:
MAXCYTE, INC. |
| (c) | Address of Issuer's Principal Executive Offices:
9713 KEY WEST AVENUE,, SUITE 400, ROCKVILLE,
MARYLAND
, 20850. |
| Item 2. | Identity and Background |
| (a) | River Global Investors LLP |
| (b) | 30 Coleman Street, London, EC2R 5AL, United Kingdom |
| (c) | Investment Firm 30 Coleman Street, London, EC2R 5AL, United Kingdom |
| (d) | No |
| (e) | No |
| (f) | United Kingdom |
| Item 3. | Source and Amount of Funds or Other Consideration |
N/A | |
| Item 4. | Purpose of Transaction |
(b) An extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the issuer or any of its subsidiaries. As per the Announcement on 24 June 2026 (RNS Number: 4421J), the FCA has approved the change in control and proposed acquisition of River Global Holdings Limited. Subsequently, as of close of business on 31 July 2026, Liontrust Investment Partners (LIP) LLP assumed responsibility for the River Global Investors (RGI) LLP ICVC and ICAV funds. The relevant voting rights (approx 4.3%) attached to those holdings have therefore transferred from RGI LLP to LIP LLP. The remaining voting rights (approx 0.8%) continue to be held by RGI LLP and will be transferred at a later stage. | |
| Item 5. | Interest in Securities of the Issuer |
| (a) | 834,100.00 0.7786% |
| (b) | 834,100.00 shares |
| (c) | As of Date B/S Amount Price 05/20/2026 BUY 14000 1.0443 06/16/2026 SELL 22320 1.13 07/23/2026 SELL 100000 1.1022 07/24/2026 SELL 100000 1.0873 07/27/2026 BUY 19780 1.0738 07/27/2026 SELL 275200 1.0397 07/28/2026 SELL 85400 0.9879 07/28/2026 SELL 239400 0.9978 07/29/2026 SELL 5547 1.015 07/29/2026 SELL 269453 1.0201 |
| (d) | N/A |
| (e) | 07/31/2026 |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer |
N/A | |
| Item 7. | Material to be Filed as Exhibits. |
N/A |
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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