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Black Diamond Therapeutics
BDTX

104 hedge funds and large institutions have $82M invested in Black Diamond Therapeutics in 2026 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 30 increasing their positions, 34 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

10% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 21

4% more call options, than puts

Call options by funds: $229K | Put options by funds: $221K

0.78% more ownership

Funds ownership: 66.45% → 67.23% (+0.78%)

0% more funds holding

Funds holding: 104 → 104 (0)

11% less capital invested

Capital invested by funds: $92M → $82M (-$9.99M)

12% less repeat investments, than reductions

Existing positions increased: 30 | Existing positions reduced: 34

Holders
104
Holders Change
–
Holders Change %
0%
% of All Funds
1.28%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
30
Reduced
34
Closed
21
Calls
$229K
Puts
$221K
Net Calls
+$8K
Net Calls Change
-$414K

Top Buyers

1
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$1.71M
2
Renaissance Technologies
Renaissance Technologies
New York
+$1.65M
3
BCM
Bridgeway Capital Management
Texas
+$1.31M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$1.21M
5
Mackenzie Financial
Mackenzie Financial
Ontario, Canada
+$1.17M

Top Sellers

1
SL
Siren LLC
Connecticut
-$2.54M
2
VPC
Vestal Point Capital
New York
-$2.11M
3
Jane Street
Jane Street
New York
-$2.06M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$694K
5
JGC
J. Goldman & Co
New York
-$656K
Name Holding Trade Value Shares
Change 		Change in
Stake
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$22.5M -$103K -43,496 -0.4%
NMC
2
NEA Management Company
Maryland
$9.48M – – –
Acadian Asset Management
3
Acadian Asset Management
Massachusetts
$5M +$1.71M +718,478 +44%
VCM
4
Vanguard Capital Management
Pennsylvania
$3.94M +$4.4M +1,850,468 New
Renaissance Technologies
5
Renaissance Technologies
New York
$3.5M +$1.65M +694,012 +73%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$2.77M +$1.06M +444,649 +52%
BlackRock
7
BlackRock
New York
$2.36M +$520K +218,580 +25%
Connor, Clark & Lunn Investment Management (CC&L)
8
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.25M +$960K +403,698 +62%
Mackenzie Financial
9
Mackenzie Financial
Ontario, Canada
$1.8M +$1.17M +492,381 +140%
Marshall Wace
10
Marshall Wace
United Kingdom
$1.78M -$651K -273,822 -25%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$1.78M -$490K -205,898 -20%
BCM
12
Bridgeway Capital Management
Texas
$1.54M +$1.31M +550,177 +317%
Goldman Sachs
13
Goldman Sachs
New York
$1.46M +$854K +359,091 +110%
Fidelity Investments
14
Fidelity Investments
Massachusetts
$1.33M +$197K +82,673 +15%
UBS Group
15
UBS Group
Switzerland
$1.2M +$731K +307,205 +119%
Man Group
16
Man Group
United Kingdom
$1.19M +$1.02M +429,667 +330%
WG
17
Winton Group
United Kingdom
$1.15M +$278K +116,979 +28%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$1.14M +$73.2K +30,795 +6%
AIC
19
AWM Investment Company
New York
$1.12M -$238K -100,000 -16%
Balyasny Asset Management
20
Balyasny Asset Management
Illinois
$1.09M +$1.21M +510,811 New
Citadel Advisors
21
Citadel Advisors
Florida
$1.07M +$184K +77,193 +18%
Northern Trust
22
Northern Trust
Illinois
$990K -$19K -7,994 -2%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$775K -$694K -291,851 -45%
GC
24
Globeflex Capital
California
$650K – – –
Stifel Financial
25
Stifel Financial
Missouri
$594K +$8.68K +3,650 +1%
1
2 3 4 5

BDTX Hedge Fund Activity: Q1 2026 in Review

104 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in Black Diamond Therapeutics (BDTX) for Q1 2026, worth a combined $82M — down 11% from $92M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new BDTX positions and 21 closed out — a net gain of 2 holders — while 30 added to existing stakes and 34 trimmed.

The largest buyer was Acadian Asset Management, adding an estimated $1.71M. The largest seller was Siren LLC, exiting entirely with an estimated $2.54M sold.

  • 104 institutional investors held Black Diamond Therapeutics (BDTX) as of Q1 2026, unchanged from Q4 2025.
  • Funds reported $82M of Black Diamond Therapeutics stock for Q1 2026, down 11% quarter-over-quarter.
  • 23 funds opened new Black Diamond Therapeutics positions in Q1 2026 and 21 closed out, a net change of +2 holders.
  • The largest Black Diamond Therapeutics buyer in Q1 2026 was Acadian Asset Management, an estimated $1.71M added.
  • The largest Black Diamond Therapeutics seller in Q1 2026 was Siren LLC, an estimated $2.54M sold.

Based on aggregated 13F filings for Q1 2026.