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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 2026

Institutional positions in Definium Therapeutics, Inc. as of Jun 30, 2026. 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
362
+119 vs. Q1 2026
Shares held
114.8M
+40.3M (+54.1%) vs. Q1 2026
Total value
$5.35B
+$3.94B (+280.1%) vs. Q1 2026
New holders
148
117 more added
Sold out
29
64 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 362 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 2026: $5.35B
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 2026

Shares, value and share of portfolio for each institution holding Definium Therapeutics, Inc.; share changes are against Q1 2026.

Institutions holding DFTX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Royal Bank of Canada100,063$4.71M0.00%+2,871+3.0%Added
Burkehill Global Management, LP100,000$4.70M0.17%00.0%Unchanged
BNP Paribas Arbitrage, SA96,510$4.54M0.00%+73,154+313.2%Added
Voya Investment Management LLC95,166$4.48M0.00%+78,782+480.8%Added
Keystone Investors Pte Ltd95,100$4.47M0.24%+95,100New
Invesco Ltd.91,338$4.30M0.00%+3,217+3.7%Added
Pier Capital, LLC88,598$4.17M0.55%+88,598New
LPL Financial LLC86,136$4.05M0.00%+7,865+10.0%Added
Squadron Capital Management LLC85,000$4.00M1.37%+85,000New
XTX Topco Ltd84,393$3.97M0.05%+84,393New
Shay Capital LLC80,000$3.76M0.42%+80,000New
Logos Global Management LP80,000$3.76M0.16%+80,000New
Citigroup Inc79,547$3.74M0.00%+53,061+200.3%Added
Vanguard Asset Management, Ltd78,604$3.70M0.00%+24,586+45.5%Added
Sectoral Asset Management Inc78,310$3.68M2.57%+78,310New
MetLife Investment Management75,859$3.57M0.02%+21,598+39.8%Added
Legal & General Group Plc74,004$3.48M0.00%+14,205+23.8%Added
Quantinno Capital Management LP70,682$3.32M0.00%+30,724+76.9%Added
Rockefeller Capital Management L.P.70,111$3.30M0.01%+14,905+27.0%Added
Platinum Investment Management Ltd70,000$3.29M0.81%00.0%Unchanged
Group One Trading, L.P.63,943$3.01M0.09%−23,889−27.2%Reduced
Algert Global LLC63,700$3.00M0.04%+63,700New
Mirae Asset Global ETFs Holdings Ltd.59,936$2.82M0.00%+13,743+29.8%Added
Vanguard Global Advisers, LLC56,942$2.68M0.00%+8,898+18.5%Added
Peak Financial Advisors LLC56,915$2.68M1.11%+56,915New
Y-Intercept (Hong Kong) Ltd54,466$2.56M0.05%+54,466New
Cerity Partners LLC53,883$2.53M0.00%+53,883New
Blair William & Co53,588$2.52M0.01%−107−0.2%Reduced
State of Wisconsin Investment Board52,549$2.47M0.00%+2,129+4.2%Added
Moody Aldrich Partners LLC51,025$2.40M0.43%+51,025New
Kestra Private Wealth Services, LLC50,588$2.38M0.03%00.0%Unchanged
Barclays PLC50,296$2.37M0.00%+10,613+26.7%Added
Atom Investors LP49,436$2.33M0.21%+49,436New
Nisa Investment Advisors, LLC48,369$2.28M0.01%−534−1.1%Reduced
Simplex Trading, LLC47,651$2.24M0.06%+6,495+15.8%Added
New York State Common Retirement Fund45,800$2.15M0.00%+16,200+54.7%Added
Allstate Corp45,639$2.15M0.02%+273+0.6%Added
Jennison Associates LLC45,375$2.13M0.00%+5,418+13.6%Added
Caption Management, LLC45,000$2.12M0.07%+11,242+33.3%Added
Polymer Capital Management (HK) LTD44,100$2.07M0.21%+44,100New
Aquatic Capital Management LLC43,124$2.03M0.07%+43,124New
Ghisallo Capital Management LLC41,500$1.95M0.04%+41,500New
CenterBook Partners LP41,255$1.94M0.10%−1,574−3.7%Reduced
Susquehanna International Group, LLP40,954$1.93M0.00%−40,502−49.7%Reduced
Police & Firemen's Retirement System of New Jersey38,386$1.81M0.01%+11,025+40.3%Added
Scotia Capital Inc.34,722$1.64M0.01%−5,826−14.4%Reduced
TD Waterhouse Canada Inc.36,694$1.59M0.00%+34,892+1,936.3%Added
STRS Ohio33,500$1.58M0.01%+14,200+73.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)32,394$1.52M0.00%+11,526+55.2%Added
Kingswood Wealth Advisors, LLC31,444$1.48M0.06%+4,853+18.3%Added
Bay Rivers Group31,208$1.47M0.50%+4,862+18.5%Added
Vestmark Advisory Solutions, Inc.30,729$1.45M0.01%+30,729New
State of New Jersey Common Pension Fund D30,625$1.44M0.00%+3,184+11.6%Added
Arizona State Retirement System30,411$1.43M0.01%+8,357+37.9%Added
Palumbo Wealth Management LLC29,287$1.38M0.29%−8,679−22.9%Reduced
SEI Investments Co28,582$1.34M0.00%+465+1.7%Added
Cinctive Capital Management LP28,550$1.34M0.05%+15,999+127.5%Added
Vanguard Investments Australia, Ltd.28,265$1.33M0.00%+7,798+38.1%Added
SG Americas Securities, LLC28,262$1.33M0.00%+17,769+169.3%Added
Mariner, LLC27,207$1.28M0.00%−7,644−21.9%Reduced
Stableford Capital II LLC27,141$1.28M0.44%+27,141New
Janney Montgomery Scott LLC26,664$1.25M0.00%+26,664New
KLP Kapitalforvaltning AS25,000$1.18M0.00%+8,000+47.1%Added
ACT Capital Management, LLC25,000$1.18M0.77%+25,000New
Teachers Retirement System of the State of Kentucky24,500$1.15M0.01%+24,500New
CI Private Wealth, LLC24,391$1.15M0.00%+24,391New
Rathbone Brothers plc22,800$1.07M0.00%−7,400−24.5%Reduced
Raymond James Financial Inc22,401$1.05M0.00%−1,312−5.5%Reduced
HighTower Advisors, LLC22,313$1.05M0.00%+3,754+20.2%Added
IFG Advisory, LLC22,043$1.04M0.04%+22,043New
TFB Advisors LLC21,523$1.01M0.45%+21,523New
China Universal Asset Management Co., Ltd.21,358$1.00M0.06%+1,166+5.8%Added
Walleye Capital LLC20,643$971.0K0.00%−14,842−41.8%Reduced
ProShare Advisors LLC20,615$969.7K0.00%+1,884+10.1%Added
Concurrent Investment Advisors, LLC20,044$942.9K0.01%−1,241−5.8%Reduced
Birchview Capital, LP20,000$940.8K0.44%+20,000New
Fore Capital, LLC20,000$940.8K1.25%+20,000New
Intech Investment Management LLC19,969$939.3K0.01%−5,021−20.1%Reduced
Walleye Trading LLC18,450$867.9K0.01%+13,036+240.8%Added
Sequoia Financial Advisors, LLC17,258$811.8K0.00%+13+0.1%Added
Envestnet Asset Management Inc16,626$782.1K0.00%+16,626New
Cary Street Partners Financial LLC15,582$733.0K0.02%+15,582New
Prudential Financial Inc15,500$729.1K0.00%+15,500New
Diadema Partners LP15,451$726.8K0.26%+15,451New
Twelve Points Wealth Management LLC14,245$670.1K0.13%+2,000+16.3%Added
Pictet Asset Management Holding SA14,077$662.2K0.00%+782+5.9%Added
Amundi14,068$661.8K0.00%−68−0.5%Reduced
Cetera Investment Advisers14,029$659.9K0.00%−17,795−55.9%Reduced
Allianz Asset Management GmbH13,800$649.2K0.00%+13,800New
Persistent Asset Partners Ltd13,778$648.1K0.20%−2,083−13.1%Reduced
Profund Advisors LLC13,571$638.4K0.02%−625−4.4%Reduced
FORA Capital, LLC13,378$628.9K0.04%+13,378New
Private Advisor Group, LLC13,336$627.3K0.00%+13,336New
Dymon Asia Capital (Singapore) Pte. Ltd.13,289$625.1K0.10%+13,289New
Virtus Investment Advisers, Inc.13,220$621.9K0.14%−8,507−39.2%Reduced
Money Concepts Capital Corp13,000$611.5K0.03%00.0%Unchanged
Xponance, Inc.12,716$598.2K0.00%+12,716New
State of Wyoming12,448$585.6K0.06%+12,448New
Axq Capital, LP12,444$585.4K0.06%+12,444New
Stifel Financial Corp12,225$575.1K0.00%−401−3.2%Reduced