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Stocks / Definium Therapeutics Inc
Institutional Ownership

Definium Therapeutics Inc

CUSIP 24477V105COM SHSDFTXQ1 2026

13D / 13G Filings
4
Schedule 13D/13G on record
Beneficial Filers
4
Distinct reporting persons
Largest Stake
11.0%
Max % of class reported
Institutional Holders
239
13F filers (latest quarter)

Beneficial Owners — Schedule 13D / 13G

4 filings · latest Feb 17, 2026

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#FiledReporting PersonForm% of ClassSharesFiling
1Feb 17, 2026Commodore Capital LP13G/A11.0%7.43MSEC
2Feb 17, 2026Driehaus Capital Management LLC13G6.6%6.54MSEC
3Feb 17, 2026Avoro Capital Advisors LLC13G5.1%5.00MSEC
4Feb 13, 2026Deep Track Capital, LP13G/A5.5%5.68MSEC

Top Institutional Holders (13F)

Largest reported positions · latest quarter

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#FundSharesValue
1Blackrock, Inc.8.48M$160.28M
2Driehaus Capital Management LLC5.91M$111.73M
3Avoro Capital Advisors LLC5.00M$94.50M
4Janus Henderson Group PLC3.56M$67.23M
5Deep Track Capital, LP3.00M$56.70M
6Geode Capital Management, LLC2.50M$47.17M
7State Street Corp2.47M$46.72M
8Octagon Capital Advisors LP2.44M$46.12M
9Commodore Capital LP2.00M$37.80M
10Fmr LLC1.81M$34.20M