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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
101
$851K
102
$847K
103
$841K
104
$834K
105
$808K
106
$808K
107
$792K
108
$706K
109
$701K
110
$674K
111
$607K
112
$593K
113
$553K
114
$515K
115
$497K
116
$493K
117
$466K
118
$439K
119
$428K
120
$413K
121
$402K
122
$368K
123
$349K
124
$320K
125
$319K