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Syndax Pharmaceuticals

225 hedge funds and large institutions have $1.56B invested in Syndax Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 39 funds opening new positions, 82 increasing their positions, 72 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

14% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 72

4% more funds holding

Funds holding: 217225 (+8)

0.84% less ownership

Funds ownership: 118.24%117.4% (-0.84%)

Holders
225
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$25M
Puts
$12.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SI
226
Sofinnova Investments
California
NCM
227
Nantahala Capital Management
Connecticut
CC
228
Casdin Capital
New York
CM
229
Caption Management
Oklahoma
SVCM
230
Saturn V Capital Management
Texas
DFCM
231
Dark Forest Capital Management
Puerto Rico
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
232
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
APM
233
Avidity Partners Management
Texas
Balyasny Asset Management
234
Balyasny Asset Management
Illinois
PAMP
235
Polar Asset Management Partners
Ontario, Canada
UOC
236
UBS O'Connor
Illinois
CCIA
237
Campbell & Co Investment Adviser
Maryland
NRD
238
Nebula Research & Development
New York
Jacobs Levy Equity Management
239
Jacobs Levy Equity Management
New Jersey
BPC
240
Bryce Point Capital
New York
Simplex Trading
241
Simplex Trading
Illinois
FGP
242
Freestone Grove Partners
California
DS
243
DRW Securities
Illinois
AI
244
Atom Investors
Texas
OF
245
Optimize Financial
California
ACM
246
ADAR1 Capital Management
Texas
Lazard Asset Management
247
Lazard Asset Management
New York
Walleye Trading
248
Walleye Trading
New York
BIG
249
Brooklyn Investment Group
New York
PA
250
Parallel Advisors
California