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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
51
$3.68M
52
$3.59M
53
$3.57M
54
$3.48M
55
$3.3M
56
$3.29M
57
$2.89M
58
$2.84M
59
$2.59M
60
$2.56M
61
$2.49M
62
$2.48M
63
$2.4M
64
$2.22M
65
$2.17M
66
$2.16M
67
$2.14M
68
$2.12M
69
$1.98M
70
$1.87M
71
$1.87M
72
$1.69M
73
$1.68M
74
$1.67M
75
$1.65M