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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 6 sales; 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, Q4 2025

Institutional positions in Definium Therapeutics, Inc. as of Dec 31, 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
209
+20 vs. Q3 2025
Shares held
67.9M
+28.3M (+71.7%) vs. Q3 2025
Total value
$908.7M
+$442.6M (+95.0%) vs. Q3 2025
New holders
50
92 more added
Sold out
30
31 more reduced

7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 209 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 heldQ4 2025: $908.7M
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, Q4 2025

Shares, value and share of portfolio for each institution holding Definium Therapeutics, Inc.; share changes are against Q3 2025.

Institutions holding DFTX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Virtus Investment Advisers, Inc.21,198$283.8K0.08%+5,611+36.0%Added
Raymond James Financial Inc21,121$282.8K0.00%+3,329+18.7%Added
Concurrent Investment Advisors, LLC20,397$273.1K0.00%+20,397New
Mercer Global Advisors Inc20,392$273.0K0.00%−1,539−7.0%Reduced
EntryPoint Capital, LLC20,219$270.7K0.11%+20,219New
Mariner, LLC20,166$270.7K0.00%+2,082+11.5%Added
Marex Group plc20,000$267.8K0.00%+20,000New
ExodusPoint Capital Management, LP18,948$253.7K0.00%+18,948New
Rafferty Asset Management, LLC18,885$252.9K0.00%+6,210+49.0%Added
Gotham Asset Management, LLC17,825$238.7K0.00%+823+4.8%Added
Sequoia Financial Advisors, LLC17,173$229.9K0.00%+41+0.2%Added
KLP Kapitalforvaltning AS17,000$227.6K0.00%+6,600+63.5%Added
Cetera Investment Advisers16,600$222.3K0.00%+358+2.2%Added
China Universal Asset Management Co., Ltd.16,052$214.9K0.02%+2,715+20.4%Added
Bay Rivers Group16,001$214.3K0.09%+2,000+14.3%Added
Voya Investment Management LLC15,992$214.1K0.00%+1,710+12.0%Added
Caxton Associates LLP15,691$210.1K0.00%+5,046+47.4%Added
Caxton Corp15,688$210.1K4.91%−11,323−41.9%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)15,117$202.4K0.00%00.0%Unchanged
Fore Capital, LLC15,000$200.8K0.27%−20,000−57.1%Reduced
Wealth Enhancement Advisory Services, LLC13,718$185.3K0.00%+366+2.7%Added
Commonwealth Equity Services, LLC13,611$182.3K0.00%−939−6.5%Reduced
Money Concepts Capital Corp13,000$174.1K0.01%00.0%Unchanged
SEI Investments Co11,836$158.5K0.00%+1,421+13.6%Added
Bank of Montreal11,802$158.0K0.00%+405+3.6%Added
Teacher Retirement System of Texas11,797$158.0K0.00%−2,897−19.7%Reduced
Brevan Howard Capital Management LP11,114$148.8K0.00%+11,114New
Diversify Wealth Management, LLC10,000$148.7K0.01%00.0%Unchanged
Twelve Points Wealth Management LLC10,645$147.3K0.03%+10,645New
XTX Topco Ltd10,994$147.2K0.00%+10,994New
Sanctuary Advisors, LLC10,717$143.5K0.00%−948−8.1%Reduced
Federation des caisses Desjardins du Quebec10,604$142.0K0.00%−11,388−51.8%Reduced
Advisor Group Holdings, Inc.10,527$140.9K0.00%−1,075−9.3%Reduced
Sharpepoint LLC10,135$135.7K0.08%+10,135New
King Wealth10,000$134.0K0.02%00.0%Unchanged
Russell Investments Group, Ltd.8,865$118.7K0.00%−4,838−35.3%Reduced
Flagship Harbor Advisors, LLC8,721$116.8K0.01%+8,721New
Ameritas Investment Partners, Inc.7,641$102.3K0.00%+588+8.3%Added
Hollencrest Capital Management7,516$100.6K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.7,088$94.9K0.00%+7,059+24,341.4%Added
North Star Investment Management Corp.6,701$89.7K0.01%00.0%Unchanged
CWM, LLC5,352$72.0K0.00%+820+18.1%Added
Tower Research Capital LLC (TRC)4,334$58.0K0.00%+1,884+76.9%Added
Walleye Trading LLC4,256$57.0K0.00%+3,694+657.3%Added
Sound Income Strategies, LLC3,690$55.5K0.00%+9+0.2%Added
Sterling Capital Management LLC3,915$52.4K0.00%+284+7.8%Added
Fifth Third Bancorp3,300$44.2K0.00%−59−1.8%Reduced
Amalgamated Bank2,957$40.0K0.00%+176+6.3%Added
Crewe Advisors LLC1,999$26.8K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.1,935$25.9K0.00%+298+18.2%Added
National Bank of Canada1,867$25.0K0.00%+276+17.3%Added
Quantbot Technologies LP1,649$22.1K0.00%+1,649New
TD Waterhouse Canada Inc.1,532$20.5K0.00%−4,062−72.6%Reduced
High Note Wealth, LLC1,500$20.1K0.00%+1,500New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,379$18.0K0.00%+587+74.1%Added
Bullock Wealth Management Group1,194$16.0K0.01%00.0%Unchanged
GAMMA Investing LLC1,030$13.8K0.00%+111+12.1%Added
Stone House Investment Management, LLC1,000$13.4K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC1,000$13.4K0.00%00.0%Unchanged
UBS Asset Management Americas Inc894$12.0K0.00%−116,345−99.2%Reduced
First Horizon Corp843$11.3K0.00%+843New
Massmutual Trust Co FSB568$7.61K0.00%+136+31.5%Added
Global Retirement Partners, LLC566$7.58K0.00%+66+13.2%Added
Larson Financial Group LLC535$7.16K0.00%+535New
Sankala Group LLC391$6.82K0.01%+391New
Atlantic Union Bankshares Corp500$6.70K0.00%+500New
SRS Capital Advisors, Inc.479$6.41K0.00%+479New
Farther Finance Advisors, LLC457$6.12K0.00%00.0%Unchanged
NVWM, LLC416$5.57K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.351$4.70K0.00%00.0%Unchanged
Rothschild Investment LLC287$3.84K0.00%+14+5.1%Added
EverSource Wealth Advisors, LLC254$3.40K0.00%+150+144.2%Added
Parallel Advisors, LLC232$3.12K0.00%00.0%Unchanged
Daiwa Securities Group Inc.242$3.00K0.00%00.0%Unchanged
Atlantic Edge Private Wealth Management, LLC193$2.58K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co185$2.48K0.00%+19+11.4%Added
Strategic Wealth Partners, Ltd.166$2.22K0.00%+166New
CIBC Private Wealth Group, LLC151$2.02K0.00%00.0%Unchanged
Allworth Financial LP148$1.98K0.00%+63+74.1%Added
GWM Advisors LLC140$1.87K0.00%−2−1.4%Reduced
Optiver Holding B.V.123$1.65K0.00%−95−43.6%Reduced
NBC Securities, Inc.100$1.34K0.00%00.0%Unchanged
HighMark Wealth Management LLC100$1.34K0.00%00.0%Unchanged
SBI Securities Co., Ltd.91$1.22K0.00%−14−13.3%Reduced
Reflection Asset Management66$8980.00%+66New
Federated Hermes, Inc.67$8970.00%+67New
Activest Wealth Management66$8840.00%00.0%Unchanged
MH & Associates Securities Management Corp66$8840.00%+66New
Kohmann Bosshard Financial Services, LLC66$8840.00%+66New
MAI Capital Management59$7910.00%+49+490.0%Added
Tradewinds Capital Management, LLC53$7100.00%00.0%Unchanged
Sunbelt Securities, Inc.44$5890.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC36$4820.00%00.0%Unchanged
Sofos Investments, Inc.35$4690.00%−13−27.1%Reduced
Chesapeake Asset Management LLC33$4410.00%00.0%Unchanged
Robbins Farley LLC28$3750.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.25$3350.00%+25New
Rachor Investment Advisory Services, LLC25$3350.00%+25New
Essential Partners LLC21$2810.00%+17+425.0%Added
Caitong International Asset Management Co., Ltd15$2010.00%+15New