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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
PCM
76
Prelude Capital Management
New York
$29.6K +$33K +13,895 New
KCM
77
Kathmere Capital Management
Pennsylvania
$29.4K -$42.8K -18,009 -57%
Qube Research & Technologies (QRT)
78
Qube Research & Technologies (QRT)
United Kingdom
$28.6K -$372K -156,211 -92%
HF
79
HRT Financial
New York
$25K -$34.1K -14,329 -54%
PCG
80
Prosperity Consulting Group
Maryland
$24.2K +$27K +11,355 New
EI
81
Ethic Inc
New York
$22.8K -$11.3K -4,753 -31%
VPIM
82
Vanguard Personalized Indexing Management
California
$22.1K +$24.7K +10,380 New
CUAMC
83
China Universal Asset Management Company
China
$21.5K +$1.97K +827 +9%
NA
84
NewEdge Advisors
Louisiana
$13K +$14.6K +6,123 New
Federated Hermes
85
Federated Hermes
Pennsylvania
$11.4K +$882 +371 +7%
JP Morgan Chase
86
JP Morgan Chase
New York
$9.41K -$5.62K -2,361 -34%
TRCT
87
Tower Research Capital (TRC)
New York
$9.37K -$9.51K -3,999 -48%
Mirae Asset Global Investments
88
Mirae Asset Global Investments
South Korea
$6.33K +$483 +203 +7%
BNP Paribas Financial Markets
89
BNP Paribas Financial Markets
France
$3.65K -$2.19K -919 -35%
Citigroup
90
Citigroup
New York
$3.39K -$53.4K -22,442 -93%
GFM
91
GF Fund Management
China
$2.71K +$364 +153 +14%
Nisa Investment Advisors
92
Nisa Investment Advisors
Missouri
$1.9K – – –
Osaic Holdings
93
Osaic Holdings
Arizona
$1.82K -$7 -3 -0.3%
Royal Bank of Canada
94
Royal Bank of Canada
Ontario, Canada
$1K -$697 -293 -30%
Jones Financial Companies
95
Jones Financial Companies
Missouri
$869 – – –
FDCDDQ
96
Federation des caisses Desjardins du Quebec
Quebec, Canada
$596 – – –
UBS AM
97
UBS AM
Illinois
$586 +$654 +275 New
Russell Investments Group
98
Russell Investments Group
United Kingdom
$533 – – –
Rockefeller Capital Management
99
Rockefeller Capital Management
New York
$426 – – –
SS
100
SBI Securities
Japan
$219 – – –
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.