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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
B
51
Bailard
California
$110K +$122K +51,500 New
Two Sigma Investments
52
Two Sigma Investments
New York
$92.2K +$103K +43,300 New
LPL Financial
53
LPL Financial
California
$91.2K +$13.8K +5,805 +16%
SEI Investments
54
SEI Investments
Pennsylvania
$84.5K +$94.4K +39,683 New
QC
55
Quadrature Capital
United Kingdom
$79.8K +$89.1K +37,474 New
RCM
56
RB Capital Management
Nevada
$74.5K – – –
NC
57
nVerses Capital
Florida
$66.9K +$49.2K +20,689 +193%
HSBC Holdings
58
HSBC Holdings
United Kingdom
$56.8K – – –
AC
59
AXQ Capital
New Jersey
$50.3K +$56.1K +23,598 New
OAM
60
Oxford Asset Management
United Kingdom
$49.2K -$217K -91,300 -80%
SSA
61
Schonfeld Strategic Advisors
New York
$40K +$44.7K +18,774 New
DIM
62
DLK Investment Management
California
$38.8K – – –
NMC
63
Nine Masts Capital
Hong Kong
$37.9K +$42.4K +17,806 New
Prudential Financial
64
Prudential Financial
New Jersey
$36.5K +$10.2K +4,300 +33%
RA
65
Royce & Associates
New York
$35.9K +$40K +16,831 New
TSS
66
Two Sigma Securities
New York
$35.5K -$56.8K -23,875 -59%
JFG
67
Jefferies Financial Group
New York
$34.5K -$13K -5,452 -25%
VGA
68
Vanguard Global Advisers
Pennsylvania
$33.4K +$37.3K +15,667 New
BCMLT
69
Beacon Capital Management LLC (Tennessee)
Tennessee
$33.3K – – –
DC
70
Diametric Capital
Massachusetts
$32.8K +$36.6K +15,386 New
Squarepoint
71
Squarepoint
New York
$32.5K +$1.26K +528 +4%
CFM
72
Catalyst Funds Management
Australia
$32.4K +$36.2K +15,200 New
Charles Schwab
73
Charles Schwab
California
$30.9K – – –
BCM
74
Brookstone Capital Management
Illinois
$30.4K +$34K +14,290 New
Raymond James Financial
75
Raymond James Financial
Florida
$30.1K +$1.54K +647 +5%
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.