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Syndax Pharmaceuticals

216 hedge funds and large institutions have $953M invested in Syndax Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 86 increasing their positions, 66 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

less funds holding

Funds holding:

3% less first-time investments, than exits

New positions opened: 31 | Existing positions closed: 32

24% less capital invested

Capital invested by funds: $1.25B → $953M (-$302M)

30% less funds holding in top 10

Funds holding in top 10: 107 (-3)

Holders
216
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$14.4M
Puts
$12.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$10.1M
27
$9.56M
28
$9.28M
29
$8.13M
30
$7.95M
31
$7.85M
32
$7.22M
33
$7.07M
34
$6.67M
35
$6.45M
36
$6.32M
37
$6.08M
38
$6.04M
39
$5.99M
40
$5.67M
41
$5.38M
42
$5.22M
43
$5.09M
44
$4.72M
45
$4.69M
46
$4.68M
47
$4.57M
48
$4.16M
49
$4.15M
50
$3.77M