Definium TherapeuticsDFTX

13F holders, Q2 2026 (June 30)
361holders +115
143new positions
29sold out
8famous investors
$46.60avg. 13F price*

At the end of Q2 2026, 361 institutions reported holding Definium Therapeutics Inc. (DFTX) in their 13F filings, up 115 from Q1 2026. 143 opened new positions and 29 sold out. The largest holders were BlackRock, Inc. ($528.4M), Avoro Capital Advisors LLC ($338.2M) and Driehaus Capital Management LLC ($322.0M). 8 famous investors held it, including Stanley Druckenmiller (0.4% of Duquesne Family Office's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Ron Baron (0.0% of Baron Capital (BAMCO)'s portfolio).

Company
Definium Therapeutics Inc.
CUSIP
24477V105
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q4 2025: 8Q4 2025Q1 2026: 246Q1 2026Q2 2026: 361Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions143$825.0M
Exits29$60.2M

All 13F filers, Q1 2026 → Q2 2026: 44,138,634 shares bought and 9,515,008 shares sold, net +34,623,626 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 361 holders

BlackRock, Inc. 0.01% Add +32.5% 11,232,834 $528.4M
Avoro Capital Advisors LLC 3.04% Add +43.8% 7,188,888 $338.2M
Driehaus Capital Management LLC 1.87% Add +15.8% 6,845,276 $322.0M
Jupiter Topco LLC 0.11% — 5,615,645 $264.0M
Capital World Investors 0.03% New 5,367,723 $252.5M
FMR LLC 0.01% Add +162.7% 4,752,921 $223.6M
T. Rowe Price Associates Inc. 0.02% Add +6545.7% 4,652,032 $218.8M
Geode Capital Management, LLC 0.01% Add +46.1% 3,644,813 $171.5M
State Street Corp. 0.00% Add +24.0% 3,065,390 $144.2M
Capital International Investors 0.03% New 2,963,410 $139.4M
Octagon Capital Advisors LP 12.74% Add +20.9% 2,950,000 $138.8M
Wellington Management Group LLP 0.02% Add +126.1% 2,949,734 $138.8M
Deep Track Capital, LP 1.91% Reduce -8.3% 2,750,000 $129.4M
Commodore Capital LP 5.60% No change 2,000,000 $94.1M
Goldman Sachs Group Inc. 0.01% Add +7.5% 1,800,852 $84.7M
Citadel Advisors 0.05% Add +26.6% 1,688,587 $79.4M
Vanguard Portfolio Management LLC 0.00% Add +88.9% 1,648,426 $77.5M
Ra Capital Management, L.P. 0.61% New 1,500,000 $70.6M
Vanguard Capital Management LLC 0.00% Add +35.5% 1,486,454 $69.9M
Siren, L.L.C. 1.36% Add +54.4% 1,419,493 $66.8M
Marshall Wace, LLP 0.05% Add +8.2% 1,298,946 $61.1M
Northern Trust Corp. 0.01% Add +46.3% 1,169,238 $55.0M
Ameriprise Financial Inc. 0.01% Add +18.8% 1,148,363 $54.0M
Nuveen, LLC 0.01% Add +58.3% 1,105,314 $52.0M
Charles Schwab Investment Management Inc. 0.01% Add +34.0% 1,083,576 $51.0M
Woodline Partners LP 0.15% Add +33.3% 1,003,641 $47.2M
Adage Capital Partners Gp, L.L.C. 0.07% Reduce -13.0% 1,000,000 $47.0M
Boxer Capital Management, LLC 3.54% Add +66.8% 998,500 $47.0M
Two Sigma Investments, LP 0.03% Reduce -23.3% 921,818 $43.4M
Balyasny Asset Management L.P. 0.08% Reduce -29.6% 897,658 $42.2M
Vanguard Fiduciary Trust Co. 0.01% Add +43.7% 827,693 $38.9M
Holocene Advisors, LP 0.09% Reduce -27.1% 796,574 $37.5M
AWM Investment Company, Inc. 3.20% Reduce -27.1% 784,800 $36.9M
Bank of New York Mellon Corp 0.01% Add +3.2% 777,271 $36.6M
Polar Capital Holdings Plc 0.10% New 777,253 $36.6M
Alliancebernstein L.P. 0.01% Add +1866.4% 1,803,287 $34.1M
Eventide Asset Management, LLC 0.45% Add +3.5% 710,000 $33.4M
Neuberger Berman Group LLC 0.02% Add +415.5% 687,539 $32.3M
Qube Research & Technologies Ltd 0.04% Add +60.3% 682,901 $32.1M
Candriam S.C.A. 0.13% Reduce -52.5% 614,425 $28.9M
ArrowMark Colorado Holdings LLC 1.11% Reduce -64.6% 564,069 $26.5M
Catalio Capital Management, LP 4.97% Reduce -45.8% 562,672 $26.5M
Blackstone Inc. 0.09% Add +10.4% 561,612 $26.4M
Integral Health Asset Management, LLC 1.06% Add +37.5% 550,000 $25.9M
Baron Capital (BAMCO) 0.04% New 520,108 $24.5M
UBS Group AG 0.00% Add +1.1% 499,467 $23.5M
Franklin Resources Inc. 0.01% New 486,219 $22.9M
Point72 Asset Management 0.04% Add +175.8% 483,980 $22.8M
Ensign Peak Advisors, Inc 0.04% Reduce -14.8% 466,106 $21.9M
Morgan Stanley 0.00% Add +3.7% 454,912 $21.4M
Great Point Partners LLC 4.71% New 425,000 $20.0M
Silverarc Capital Management, LLC 2.09% New 400,000 $18.8M
Cormorant Asset Management, LP 0.96% New 400,000 $18.8M
RTW Investments, LP 0.16% Add +33.3% 400,000 $18.8M
Assetmark, Inc. 0.03% New 396,542 $18.7M
Orbimed Advisors LLC 0.33% Reduce -54.5% 365,400 $17.2M
Duquesne Family Office 0.39% New 356,600 $16.8M
D. E. Shaw & Co. 0.01% Add +16.1% 315,410 $14.8M
Tetragon Partners GP Ltd 2.20% Add +43.5% 286,990 $13.5M
Millennium Management 0.01% Reduce -68.6% 266,076 $12.5M
JPMorgan Chase & Co. 0.00% Add +0.5% 265,955 $12.4M
Sofinnova Investments, Inc. 0.64% Reduce -25.6% 255,903 $12.0M
PFM Health Sciences, LP 1.02% Add +21.3% 249,020 $11.7M
HighVista Strategies LLC 2.60% Add +30.7% 242,884 $11.4M
Trexquant Investment LP 0.07% New 233,199 $11.0M
Seven Grand Managers, LLC 0.43% No change 225,000 $10.6M
Swiss National Bank 0.01% Add +39.6% 221,200 $10.4M
Eversept Partners, LP 0.56% Add +35.1% 217,185 $10.2M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +8651.9% 211,183 $9.9M
TD Asset Management Inc 0.01% New 209,460 $9.9M
Royce & Associates LP 0.08% Reduce -10.9% 208,551 $9.8M
SEB Asset Management AB 0.04% New 208,254 $9.8M
Superstring Capital Management LP 5.59% Reduce -46.4% 188,282 $8.9M
Emerald Advisers, LLC 0.20% New 178,751 $8.4M
Aberdeen Group plc 0.01% New 175,000 $8.2M
Bank of America Corp. 0.00% Add +3.9% 164,575 $7.7M
Tri Locum Partners LP 0.94% Reduce -55.9% 162,996 $7.7M
Rhumbline Advisers 0.01% Add +31.8% 158,096 $7.4M
Brevan Howard Capital Management LP 0.11% Reduce -25.9% 156,812 $7.4M
Russell Investments Group, Ltd. 0.01% Add +28.5% 153,477 $7.2M
LMR Partners LLP 0.06% New 150,200 $7.1M
Seven Fleet Capital Management LP 1.15% Add +48.8% 148,647 $7.0M
Manufacturers Life Insurance Company, The 0.01% Add +454.3% 146,368 $6.9M
Rock Springs Capital Management LP 0.33% New 143,187 $6.7M
Deutsche Bank AG 0.00% Reduce -65.3% 142,947 $6.7M
SummitTX Capital, L.P. 0.18% New 142,489 $6.7M
Stempoint Capital LP 1.12% Reduce -57.9% 137,124 $6.5M
AQR Capital Management 0.00% Add +135.0% 134,152 $6.3M
California State Teachers Retirement System 0.01% New 128,346 $6.0M
BIT Capital GmbH 0.21% Reduce -53.8% 128,131 $6.0M
Fred Alger Management, LLC 0.02% Add +35.9% 125,256 $5.9M
Wells Fargo & Company 0.00% Add +205.3% 122,033 $5.7M
Atika Capital Management LLC 0.57% New 122,000 $5.7M
AdvisorShares Investments LLC 0.69% Add +33.0% 121,381 $5.7M
Emerald Mutual Fund Advisers Trust 0.20% New 121,249 $5.7M
Informed Momentum Co LLC 0.51% New 120,928 $5.7M
Schonfeld Strategic Advisors LLC 0.03% Add +1048.8% 119,610 $5.6M
HSBC Holdings PLC 0.00% New 117,482 $5.5M
Alps Advisors Inc. 0.02% New 110,388 $5.2M
Data Collective IV GP, LLC 6.01% No change 100,350 $4.7M

"% of holder's portfolio" is DFTX's weight in each manager's 13F, not the share of Definium Therapeutics Inc. the manager owns.

Show all 361 holders