Significant Ownership of DRIEHAUS CAPITAL MANAGEMENT LLC

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for DRIEHAUS CAPITAL MANAGEMENT LLC focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager Names, identifiers, and filing context for this profile. 2 identity fields
Manager signature
Janet McWilliams - General Counsel
Manager location
Chicago, IL

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Significant Ownership of DRIEHAUS CAPITAL MANAGEMENT LLC

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
SEPN Septerna, Inc. Common Stock 10% $31,361,201 +$10,346,049 4,659,911 +49% DRIEHAUS CAPITAL MANAGEMENT LLC 31 May 2025
PTN Palatin Technologies, Inc. Common Stock 9.8% $2,867,464 166,713 DRIEHAUS CAPITAL MANAGEMENT LLC 31 Dec 2025
Definium Therapeutics, Inc. Common Stock 6.6% 6,537,202 DRIEHAUS CAPITAL MANAGEMENT LLC 31 Dec 2025
CRNX Crinetics Pharmaceuticals, Inc. Common Stock 6.1% $252,255,164 6,395,922 DRIEHAUS CAPITAL MANAGEMENT LLC 31 Mar 2026
XENE Xenon Pharmaceuticals Inc. Common Stock 4.9% $255,350,473 4,491,653 DRIEHAUS CAPITAL MANAGEMENT LLC 31 Dec 2025
APGE Apogee Therapeutics, Inc. Common Stock 4.7% $85,757,284 2,158,502 DRIEHAUS CAPITAL MANAGEMENT LLC 30 Sep 2025
DYNX Dynamix Corporation Class A Ordinary Shares 4.5% $7,644,795 -$1,553,205 748,023 -17% DRIEHAUS CAPITAL MANAGEMENT LLC 30 Jun 2025
ANDG Andersen Group Inc. Class A Common Stock 4.4% $15,825,848 -$3,628,967 560,207 -19% DRIEHAUS CAPITAL MANAGEMENT LLC 31 Mar 2026
PAY Paymentus Holdings, Inc. Common Stock 4% $67,890,664 -$6,971,629 2,239,138 -9.3% DRIEHAUS CAPITAL MANAGEMENT LLC 31 Dec 2025
PL Planet Labs PBC Class A Common Stock 2.9% $215,514,218 -$148,396,646 8,511,620 -41% DRIEHAUS CAPITAL MANAGEMENT LLC 31 Dec 2025
SEI Solaris Energy Infrastructure, Inc. Common Stock 2.2% $38,433,034 -$42,522,884 961,547 -53% DRIEHAUS CAPITAL MANAGEMENT LLC 30 Sep 2025
BLFY Blue Foundry Bancorp Common Stock 1.9% $3,837,541 400,997 DRIEHAUS CAPITAL MANAGEMENT LLC 29 Aug 2025
SRZN Surrozen, Inc. Common Stock 0.79% $595,256 -$1,210,212 67,566 -67% DRIEHAUS CAPITAL MANAGEMENT LLC 30 Jun 2025
QNST Quinstreet, Inc. Common Stock 0% $0 -$48,624,369 0 -100% DRIEHAUS CAPITAL MANAGEMENT LLC 30 Jun 2025
KRRO Korro Bio, Inc. Common Stock 0% $0 -$6,041,109 0 -100% DRIEHAUS CAPITAL MANAGEMENT LLC 31 Dec 2025

Schedules 13D/G Reported by DRIEHAUS CAPITAL MANAGEMENT LLC:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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