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DFTX

Definium Therapeutics

195 hedge funds and large institutions have $469M invested in Definium Therapeutics in 2025 Q3 according to their latest regulatory filings, with 39 funds opening new positions, 56 increasing their positions, 48 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

96% more call options, than puts

Call options by funds: $21.3M | Put options by funds: $10.9M

73% more capital invested

Capital invested by funds: $271M → $469M (+$198M)

70% more first-time investments, than exits

New positions opened: 39 | Existing positions closed: 23

17% more repeat investments, than reductions

Existing positions increased: 56 | Existing positions reduced: 48

8% more funds holding

Funds holding: 181195 (+14)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

3.09% less ownership

Funds ownership: 55.32%52.23% (-3.1%)

Holders
195
Holders Change
+14
Holders Change %
+7.73%
% of All Funds
2.56%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
39
Increased
56
Reduced
48
Closed
23
Calls
$21.3M
Puts
$10.9M
Net Calls
+$10.4M
Net Calls Change
+$7.9M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$70M +$1.24M +133,418 +2%
CC
2
Commodore Capital
New York
$38M -$16.6M -1,775,000 -36%
DCM
3
Driehaus Capital Management
Illinois
$36.7M +$161K +17,253 +0.6%
Blackstone Inc
4
Blackstone Inc
New York
$32.7M -$7.56M -810,918 -23%
Marshall Wace
5
Marshall Wace
United Kingdom
$28.1M -$9.69M -1,039,244 -30%
OCA
6
Octagon Capital Advisors
New York
$25.1M
Vanguard Group
7
Vanguard Group
Pennsylvania
$23.7M +$1.85M +198,878 +11%
State Street
8
State Street
Massachusetts
$22.7M +$1.11M +119,000 +7%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$21.5M +$851K +91,247 +5%
DTC
10
Deep Track Capital
Connecticut
$17.7M -$9.33M -1,000,000 -40%
AIC
11
AWM Investment Company
New York
$14.3M
RA
12
Rosalind Advisors
Ontario, Canada
$8.84M +$3.08M +330,000 +79%
Charles Schwab
13
Charles Schwab
California
$7.47M +$331K +35,490 +6%
Northern Trust
14
Northern Trust
Illinois
$7.41M +$273K +29,296 +5%
TCM
15
Tang Capital Management
California
$7.08M
UBS Group
16
UBS Group
Switzerland
$6.51M +$348K +37,364 +7%
Goldman Sachs
17
Goldman Sachs
New York
$6.49M +$4.18M +447,783 +435%
Morgan Stanley
18
Morgan Stanley
New York
$5.84M -$1.8M -192,913 -28%
O
19
OrbiMed
New York
$4.34M +$3.43M +367,824 New
ABG
20
Ally Bridge Group
New York
$4.26M -$3.4M -364,728 -50%
Citadel Advisors
21
Citadel Advisors
Florida
$4M +$1.5M +160,834 +90%
Adage Capital Partners
22
Adage Capital Partners
Massachusetts
$3.54M +$2.8M +300,000 New
Millennium Management
23
Millennium Management
New York
$3.52M +$1.07M +114,805 +63%
Two Sigma Investments
24
Two Sigma Investments
New York
$3.5M +$2.24M +239,965 +425%
Jane Street
25
Jane Street
New York
$3.24M +$1.37M +146,533 +114%

DFTX Hedge Fund Activity: Q3 2025 in Review

195 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Definium Therapeutics (DFTX) for Q3 2025, worth a combined $469M — up 73% from $271M a quarter earlier.

Buyers outnumbered sellers: 39 funds opened new DFTX positions and 23 closed out — a net gain of 16 holders — while 56 added to existing stakes and 48 trimmed.

The largest buyer was Goldman Sachs, adding an estimated $4.18M. The largest seller was Commodore Capital, cutting an estimated $16.6M.

  • 195 institutional investors held Definium Therapeutics (DFTX) as of Q3 2025, up from 181 in Q2 2025.
  • Funds reported $469M of Definium Therapeutics stock for Q3 2025, up 73% quarter-over-quarter.
  • 39 funds opened new Definium Therapeutics positions in Q3 2025 and 23 closed out, a net change of +16 holders.
  • The largest Definium Therapeutics buyer in Q3 2025 was Goldman Sachs, an estimated $4.18M added.
  • The largest Definium Therapeutics seller in Q3 2025 was Commodore Capital, an estimated $16.6M sold.

Based on aggregated 13F filings for Q3 2025.