13D/13G Filings - DRIEHAUS CAPITAL MANAGEMENT LLC

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"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
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Time period
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-09-10
12:53 pm
Sale
2025-08-2913GBlue Foundry Bancorp
BLFY
DRIEHAUS CAPITAL MANAGEMENT LLC400,997
1.870%
-1,296,743decrease
(-76.38%)
Filing
History
2025-08-14
07:50 am
Purchase
2025-06-3013GPaymentus Holdings, Inc.
PAY
DRIEHAUS CAPITAL MANAGEMENT LLC2,542,516
7.230%
644,964increase
(+33.99%)
Filing
History
2025-08-14
07:47 am
Sale
2025-06-3013GDynamix Corporation Class A Ordinary Shares
ETHM
DRIEHAUS CAPITAL MANAGEMENT LLC748,023
4.510%
-151,977decrease
(-16.89%)
Filing
History
2025-08-14
07:44 am
Sale
2025-06-3013GSurrozen, Inc.
SRZN
DRIEHAUS CAPITAL MANAGEMENT LLC67,566
0.790%
-137,368decrease
(-67.03%)
Filing
History
2025-08-14
07:41 am
Sale
2025-06-3013GQuinStreet, Inc.
QNST
DRIEHAUS CAPITAL MANAGEMENT LLC0
0.000%
-3,165,649decrease
(Position Closed)
Filing
History
2025-06-10
10:55 am
Purchase
2025-05-3113GSepterna, Inc.
SEPN
DRIEHAUS CAPITAL MANAGEMENT LLC4,659,911
10.460%
1,537,303increase
(+49.23%)
Filing
History
2025-05-15
07:36 am
Purchase
2025-03-3113GSurrozen, Inc.
SRZN
DRIEHAUS CAPITAL MANAGEMENT LLC204,934
6.250%
204,934increase
(New Position)
Filing
History
2025-05-15
07:33 am
Purchase
2025-03-3113GSolaris Energy Infrastructure, Inc.
SEI
DRIEHAUS CAPITAL MANAGEMENT LLC2,025,417
5.330%
2,025,417increase
(New Position)
Filing
History
2025-05-15
07:28 am
Purchase
2025-03-3113GQuinStreet, Inc.
QNST
DRIEHAUS CAPITAL MANAGEMENT LLC3,165,649
5.610%
3,165,649increase
(New Position)
Filing
History
2025-05-15
07:23 am
Purchase
2025-03-3113GPaymentus Holdings, Inc.
PAY
DRIEHAUS CAPITAL MANAGEMENT LLC1,897,552
5.870%
1,897,552increase
(New Position)
Filing
History
2025-05-15
07:20 am
Purchase
2025-03-3113GDynamix Corporation Class A Ordinary Shares
ETHM
DRIEHAUS CAPITAL MANAGEMENT LLC900,000
5.420%
900,000increase
(New Position)
Filing
History
2025-05-15
07:17 am
Purchase
2025-03-3113GSepterna, Inc.
SEPN
DRIEHAUS CAPITAL MANAGEMENT LLC3,122,608
7.030%
533,055increase
(+20.58%)
Filing
History
2025-02-14
07:52 am
Purchase
2024-12-3113GKorro Bio, Inc.
KRRO
DRIEHAUS CAPITAL MANAGEMENT LLC494,905
5.280%
494,905increase
(New Position)
Filing
History
2025-02-14
07:48 am
Purchase
2024-12-3113GSepterna, Inc.
SEPN
DRIEHAUS CAPITAL MANAGEMENT LLC2,589,553
5.830%
2,589,553increase
(New Position)
Filing
History
2024-11-14
11:16 am
Purchase
2024-09-3013GApogee Therapeutics, Inc.
APGE
DRIEHAUS CAPITAL MANAGEMENT LLC2,533,607
5.630%
2,533,607increase
(New Position)
Filing
History
2024-06-10
09:08 am
Sale
2024-05-3113GHeritage Insurance Holdings, Inc.
HRTG
DRIEHAUS CAPITAL MANAGEMENT LLC1,264,109
4.130%
-638,126decrease
(-33.55%)
Filing
History
2024-06-10
09:04 am
Sale
2024-05-3113GApplied Optoelectronics, Inc.
AAOI
DRIEHAUS CAPITAL MANAGEMENT LLC844,079
2.170%
-1,922,239decrease
(-69.49%)
Filing
History
2024-02-14
08:05 am
Purchase
2023-12-3113GHeritage Insurance Holdings, Inc.
HRTG
DRIEHAUS CAPITAL MANAGEMENT LLC1,902,235
6.330%
1,902,235increase
(New Position)
Filing
History
2024-02-14
08:02 am
Purchase
2023-12-3113GApplied Optoelectronics, Inc.
AAOI
DRIEHAUS CAPITAL MANAGEMENT LLC2,766,318
7.780%
2,766,318increase
(New Position)
Filing
History
2024-02-14
08:00 am
Purchase
2023-12-3113GBlue Foundry Bancorp
BLFY
DRIEHAUS CAPITAL MANAGEMENT LLC1,697,740
6.810%
200,218increase
(+13.37%)
Filing
History
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