Definium Therapeutics, Inc. (DFTX) Institutional Ownership Changes & 13F Activity

Definium Therapeutics, Inc. (DFTX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Price T Rowe Associates Inc, Avoro Capital Advisors Llc, Alliancebernstein L.P., Wellington Management Group Llp, and Ra Capital Management, L.P..

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+119,964+454.3%146,368$6.89MQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+355,145+26.6%1,688,587$79.43MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+13,80013,800$649.15KQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+24,39124,391$1.15MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemBuy+128,346128,346$6.04MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+10,27810,278$483.48KQ2 2026Aug 19, 2026
49 Wealth Management, LlcBuy+5,7725,772$271.51KQ2 2026Aug 18, 2026
Seven Fleet Capital Management LpBuy+48,760+48.8%148,647$6.99MQ2 2026Aug 17, 2026
Price T Rowe Associates IncBuy+4,582,031+6545.7%4,652,032$218.83MQ2 2026Aug 14, 2026
Avoro Capital Advisors LlcBuy+2,188,888+43.8%7,188,888$338.17MQ2 2026Aug 14, 2026
Alliancebernstein L.P.Buy+1,711,584+1866.4%1,803,287$34.08MQ2 2026Aug 14, 2026
Wellington Management Group LlpBuy+1,644,985+126.1%2,949,734$138.76MQ2 2026Aug 14, 2026
Ra Capital Management, L.P.Buy+1,500,0001,500,000$70.56MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+1,148,3631,148,363$54.02MQ2 2026Aug 14, 2026
Driehaus Capital Management LlcBuy+933,387+15.8%6,845,276$322.00MQ2 2026Aug 14, 2026
Polar Capital Holdings PlcBuy+777,253777,253$36.56MQ2 2026Aug 14, 2026
Millennium Management LlcSell-580,820-68.6%266,076$12.52MQ2 2026Aug 14, 2026
Blackstone Inc.Buy+561,612561,612$26.42MQ2 2026Aug 14, 2026
Bamco IncBuy+520,108520,108$24.47MQ2 2026Aug 14, 2026
Octagon Capital Advisors LpBuy+510,000+20.9%2,950,000$138.77MQ2 2026Aug 14, 2026
Catalio Capital Management, LpSell-475,312-45.8%562,672$26.47MQ2 2026Aug 14, 2026
Orbimed Advisors LlcSell-438,600-54.6%365,400$17.19MQ2 2026Aug 14, 2026
Great Point Partners LlcBuy+425,000425,000$19.99MQ2 2026Aug 14, 2026
Boxer Capital Management, LlcBuy+400,000+66.8%998,500$46.97MQ2 2026Aug 14, 2026
Cormorant Asset Management, LpBuy+400,000400,000$18.82MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Sell-376,563-29.6%897,658$42.23MQ2 2026Aug 14, 2026
Duquesne Family Office LlcBuy+356,600356,600$16.77MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+308,490+175.8%483,980$22.77MQ2 2026Aug 14, 2026
Holocene Advisors, LpSell-295,393-27.1%796,574$37.47MQ2 2026Aug 14, 2026
Awm Investment Company, Inc.Sell-292,093-27.1%784,800$36.92MQ2 2026Aug 14, 2026
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Frequently asked questions about DFTX activity

  • Which institutional owners are buying DFTX?

    Institutional owners buying DFTX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in DFTX activity?

    "Buy" means an investor increased their reported position in DFTX compared to the prior reporting period. This reflects growing exposure to Definium Therapeutics, Inc. (DFTX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in DFTX increasing?

    Institutional interest in DFTX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.