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Definium Therapeutics, Inc.

DFTX
Exchange
Nasdaq
Industry
Medicinal Chemicals & Botanical Products
SEC CIK
0001813814

In the last 90 days, Definium Therapeutics, Inc. insiders filed 0 open-market purchases and 1 sale; 362 institutions reported holding it in 13F filings for Q2 2026, worth $5.35B in total; Duquesne Family Office is the only superinvestor holding it.

13F holders, Q2 2025

Institutional positions in Definium Therapeutics, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
183
−8 vs. Q1 2025
Shares held
41.8M
+639.6K (+1.6%) vs. Q1 2025
Total value
$271.0M
+$30.5M (+12.7%) vs. Q1 2025
New holders
18
57 more added
Sold out
26
50 more reduced

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting DFTX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 183 institutions
Q1 2021: 8 institutionsQ2 2021: 156 institutionsQ3 2021: 175 institutionsQ4 2021: 176 institutionsQ1 2022: 159 institutionsQ2 2022: 156 institutionsQ3 2022: 101 institutionsQ4 2022: 104 institutionsQ1 2023: 89 institutionsQ2 2023: 84 institutionsQ3 2023: 93 institutionsQ4 2023: 104 institutionsQ1 2024: 135 institutionsQ2 2024: 152 institutionsQ3 2024: 158 institutionsQ4 2024: 174 institutionsQ1 2025: 191 institutionsQ2 2025: 183 institutionsQ3 2025: 196 institutionsQ4 2025: 209 institutionsQ1 2026: 248 institutionsQ2 2026: 362 institutions
Value heldQ2 2025: $271.0M
Q1 2021: $932.0KQ2 2021: $131.0MQ3 2021: $104.8MQ4 2021: $72.0MQ1 2022: $53.6MQ2 2022: $15.1MQ3 2022: $20.5MQ4 2022: $11.1MQ1 2023: $12.6MQ2 2023: $13.9MQ3 2023: $12.1MQ4 2023: $17.9MQ1 2024: $327.2MQ2 2024: $299.3MQ3 2024: $281.6MQ4 2024: $288.9MQ1 2025: $240.5MQ2 2025: $271.0MQ3 2025: $468.6MQ4 2025: $908.7MQ1 2026: $1.47BQ2 2026: $5.35B
Institutions holding DFTX and their total value by quarter
QuarterHoldersValue
Q2 2026362$5.35B
Q1 2026248$1.47B
Q4 2025209$908.7M
Q3 2025196$468.6M
Q2 2025183$271.0M
Q1 2025191$240.5M
Q4 2024174$288.9M
Q3 2024158$281.6M
Q2 2024152$299.3M
Q1 2024135$327.2M
Q4 2023104$17.9M
Q3 202393$12.1M
Q2 202384$13.9M
Q1 202389$12.6M
Q4 2022104$11.1M
Q3 2022101$20.5M
Q2 2022156$15.1M
Q1 2022159$53.6M
Q4 2021176$72.0M
Q3 2021175$104.8M
Q2 2021156$131.0M
Q1 20218$932.0K

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Definium Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding DFTX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,802,139$37.7M0.00%+86,426+1.5%Added
Commodore Capital LP5,000,000$32.5M2.29%+475,000+10.5%Added
Blackstone Group Inc.3,587,479$23.3M0.10%00.0%Unchanged
Marshall Wace, LLP3,421,224$22.2M0.03%+828,067+31.9%Added
Driehaus Capital Management LLC3,092,658$20.1M0.16%−258,747−7.7%Reduced
Deep Track Capital, LP2,500,000$16.2M0.52%00.0%Unchanged
Octagon Capital Advisors LP2,130,000$13.8M3.04%−888,000−29.4%Reduced
Vanguard Group Inc1,813,996$11.8M0.00%+47,449+2.7%Added
State Street Corp1,805,893$11.7M0.00%−36,321−2.0%Reduced
Geode Capital Management, LLC1,733,454$11.3M0.00%+66,663+4.0%Added
AWM Investment Company, Inc.1,215,662$7.89M0.88%+7,500+0.6%Added
Ally Bridge Group (NY) LLC726,172$4.71M3.92%+336,029+86.1%Added
Morgan Stanley688,531$4.47M0.00%+28,639+4.3%Added
Tang Capital Management LLC600,200$3.90M0.20%+200,000+50.0%Added
Northern Trust Corp599,242$3.89M0.00%−43,541−6.8%Reduced
Charles Schwab Investment Management Inc598,212$3.88M0.00%+34,908+6.2%Added
UBS Group AG514,445$3.34M0.00%+406,419+376.2%Added
Woodline Partners LP502,198$3.26M0.02%−503,000−50.0%Reduced
Rosalind Advisors, Inc.420,000$2.73M1.32%00.0%Unchanged
Wellington Management Group LLP261,953$1.70M0.00%+36,025+15.9%Added
Bank of New York Mellon Corp240,739$1.56M0.00%+40,542+20.3%Added
Nuveen, LLC239,842$1.56M0.00%−26,209−9.9%Reduced
Millennium Management LLC183,400$1.19M0.00%+183,400New
Citadel Advisors LLC178,604$1.16M0.00%−234,786−56.8%Reduced
Barclays PLC175,233$1.14M0.00%+55,660+46.5%Added
Susquehanna International Group, LLP169,325$1.10M0.00%−175,879−50.9%Reduced
Diadema Partners LP158,536$1.03M0.64%+158,536New
Jane Street Group, LLC128,315$832.8K0.00%+54,326+73.4%Added
Bank of America Corp119,214$773.7K0.00%+30,992+35.1%Added
Rhumbline Advisers115,296$748.3K0.00%+6,839+6.3%Added
Swiss National Bank115,100$747.0K0.00%+8,500+8.0%Added
AdvisorShares Investments LLC109,593$711.3K0.13%−10,000−8.4%Reduced
Goldman Sachs Group Inc102,847$667.5K0.00%−89,348−46.5%Reduced
Data Collective IV GP, LLC100,350$651.3K0.50%00.0%Unchanged
Oppenheimer & Co Inc98,336$638.2K0.01%+27,221+38.3%Added
Royal Bank of Canada97,129$629.0K0.00%+31,892+48.9%Added
StemPoint Capital LP90,852$589.6K0.19%+90,852New
Simplex Trading, LLC87,951$570.0K0.02%+40,095+83.8%Added
Alliancebernstein L.P.74,830$485.6K0.00%−750−1.0%Reduced
DRW Securities, LLC69,426$450.6K0.03%+19,426+38.9%Added
LPL Financial LLC68,489$444.5K0.00%+1,056+1.6%Added
Creative Planning66,097$429.0K0.00%+1,655+2.6%Added
Ikarian Capital, LLC62,691$406.9K0.13%00.0%Unchanged
D. E. Shaw & Co., Inc.58,764$381.4K0.00%−4,485−7.1%Reduced
California State Teachers Retirement System57,288$371.8K0.00%−1,210−2.1%Reduced
Legal & General Group Plc56,703$368.0K0.00%−590−1.0%Reduced
Two Sigma Investments, LP56,478$366.5K0.00%−2,744−4.6%Reduced
Scotia Capital Inc.53,931$350.2K0.00%−44−0.1%Reduced
Kestra Private Wealth Services, LLC50,140$325.4K0.00%−66−0.1%Reduced
Cerity Partners LLC49,650$322.2K0.00%+1,165+2.4%Added
MetLife Investment Management49,196$319.3K0.00%00.0%Unchanged
JPMorgan Chase & Co48,487$314.7K0.00%+2,342+5.1%Added
Deutsche Bank AG47,989$311.4K0.00%−11,237−19.0%Reduced
Wells Fargo & Company47,717$309.7K0.00%+10,301+27.5%Added
UBS Asset Management Americas Inc42,129$273.4K0.00%−3,492−7.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.41,261$267.8K0.00%−2,289−5.3%Reduced
Balyasny Asset Management LLC38,937$252.7K0.00%−130,621−77.0%Reduced
Invesco Ltd.38,463$249.6K0.00%−637−1.6%Reduced
Intech Investment Management LLC37,686$244.6K0.00%−17,304−31.5%Reduced
Citigroup Inc37,333$242.3K0.00%−33,842−47.5%Reduced
Persistent Asset Partners Ltd36,642$237.8K0.21%+36,642New
Price T Rowe Associates Inc36,331$236.0K0.00%+5,386+17.4%Added
Fore Capital, LLC35,000$227.2K0.45%−5,000−12.5%Reduced
Caxton Corp34,073$221.1K2.24%00.0%Unchanged
XTX Topco Ltd32,402$210.3K0.01%+2,858+9.7%Added
Moloney Securities Asset Management, LLC31,511$204.5K0.03%−4,500−12.5%Reduced
Polar Asset Management Partners Inc.29,300$190.2K0.00%+29,300New
Rathbone Brothers plc28,200$183.0K0.00%00.0%Unchanged
Janus Henderson Group PLC28,000$181.9K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The27,568$178.9K0.00%+204+0.7%Added
Palumbo Wealth Management LLC24,043$156.0K0.05%+1,415+6.3%Added
Blair William & Co22,218$144.2K0.00%+9,718+77.7%Added
Federation des caisses Desjardins du Quebec21,422$139.0K0.00%−1,000−4.5%Reduced
Voya Investment Management LLC21,261$138.0K0.00%+146+0.7%Added
Mitchell McLeod Pugh & Williams Inc20,000$129.8K0.02%00.0%Unchanged
Mercer Global Advisors Inc19,852$128.8K0.00%+272+1.4%Added
AQR Capital Management LLC19,758$128.2K0.00%+7,508+61.3%Added
Squarepoint Ops LLC19,684$127.7K0.00%−3,787−16.1%Reduced
Police & Firemen's Retirement System of New Jersey18,554$120.4K0.00%00.0%Unchanged
ProShare Advisors LLC18,268$118.6K0.00%−941−4.9%Reduced
Boothbay Fund Management, LLC17,984$116.7K0.00%00.0%Unchanged
ExodusPoint Capital Management, LP17,877$116.0K0.00%+17,877New
Arizona State Retirement System17,581$114.1K0.00%+1,805+11.4%Added
Advisor Group Holdings, Inc.17,451$113.2K0.00%−72−0.4%Reduced
Quantinno Capital Management LP17,154$111.3K0.00%+17,154New
New York State Common Retirement Fund17,100$111.0K0.00%00.0%Unchanged
Raymond James Financial Inc17,029$110.5K0.00%−1,450−7.8%Reduced
Sequoia Financial Advisors, LLC16,579$107.6K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC16,455$107.0K0.00%−1,837−10.0%Reduced
Teacher Retirement System of Texas16,260$105.5K0.00%+1,400+9.4%Added
Diversify Wealth Management, LLC10,000$101.5K0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)15,602$101.3K0.00%−13,265−46.0%Reduced
China Universal Asset Management Co., Ltd.15,175$98.5K0.01%+466+3.2%Added
Wealth Enhancement Advisory Services, LLC13,436$96.3K0.00%−102−0.8%Reduced
Dynamic Technology Lab Private Ltd14,623$95.0K0.01%+14,623New
Bailard, Inc.14,600$94.8K0.00%00.0%Unchanged
Gotham Asset Management, LLC14,078$91.4K0.00%+14,078New
FMR LLC13,787$89.5K0.00%−625−4.3%Reduced
Profund Advisors LLC13,707$89.0K0.00%−3,802−21.7%Reduced
Virtus Investment Advisers, Inc.12,881$83.6K0.03%−10,507−44.9%Reduced