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Syndax Pharmaceuticals

218 hedge funds and large institutions have $1.25B invested in Syndax Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 88 increasing their positions, 63 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

129% more call options, than puts

Call options by funds: $18.1M | Put options by funds: $7.88M

40% more repeat investments, than reductions

Existing positions increased: 88 | Existing positions reduced: 63

25% more funds holding in top 10

Funds holding in top 10: 810 (+2)

19% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 26

2.52% more ownership

Funds ownership: 114.85%117.37% (+2.5%)

1% more funds holding

Funds holding: 215218 (+3)

3% less capital invested

Capital invested by funds: $1.3B → $1.25B (-$41.1M)

Holders
218
Holders Change
+3
Holders Change %
+1.4%
% of All Funds
2.92%
Holding in Top 10
10
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+25%
% of All Funds
0.13%
New
31
Increased
88
Reduced
63
Closed
26
Calls
$18.1M
Puts
$7.88M
Net Calls
+$10.2M
Net Calls Change
-$2.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Royal Bank of Canada
176
Royal Bank of Canada
Ontario, Canada
$24K -$4.91K -348 -15%
Simplex Trading
177
Simplex Trading
Illinois
$20K +$23.4K +1,657 New
MIA
178
MeadowBrook Investment Advisors
Michigan
$18.4K
S
179
SignatureFD
Georgia
$17.1K -$9.65K -684 -33%
Comerica Bank
180
Comerica Bank
Texas
$13K +$1.4K +99 +10%
LFG
181
Larson Financial Group
Missouri
$12.6K +$339 +24 +2%
MCM
182
MAI Capital Management
Ohio
$12.3K
Nisa Investment Advisors
183
Nisa Investment Advisors
Missouri
$10.8K +$860 +61 +7%
TC
184
Truvestments Capital
Florida
$10.1K -$1.25K -89 -10%
SAM
185
Smartleaf Asset Management
Massachusetts
$8.33K +$212 +15 +2%
CSS
186
Cubist Systematic Strategies
Connecticut
$4.91K -$5.04M -357,671 -100%
PA
187
Parallel Advisors
California
$4.08K -$409 -29 -8%
Daiwa Securities Group
188
Daiwa Securities Group
Japan
$4K
LC
189
Lindbrook Capital
California
$3.39K -$3.78K -268 -49%
Optiver Holding
190
Optiver Holding
Netherlands
$3.33K +$3.82K +271 New
PWMG
191
Private Wealth Management Group
New Jersey
$3.27K +$324 +23 +9%
HNB
192
Huntington National Bank
Ohio
$3.11K
EWA
193
EverSource Wealth Advisors
Alabama
$3.05K +$2.61K +185 +294%
SPIA
194
Steward Partners Investment Advisory
New York
$2.84K
GWM
195
Geneos Wealth Management
Colorado
$2.76K +$2.12K +150 +200%
ACM
196
Aster Capital Management
United Arab Emirates
$2.61K +$2.35K +167 New
CIAM
197
Caitong International Asset Management
Hong Kong
$2.57K -$121K -8,553 -98%
WTA
198
Washington Trust Advisors
Massachusetts
$2.57K +$1.44K +102 +95%
SS
199
SBI Securities
Japan
$2.47K -$18.3K -1,299 -87%
CWM
200
Crowley Wealth Management
Delaware
$2.46K

SNDX Hedge Fund Activity: Q1 2025 in Review

218 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Syndax Pharmaceuticals (SNDX) for Q1 2025, worth a combined $1.25B — down 3.2% from $1.3B a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new SNDX positions and 26 closed out — a net gain of 5 holders — while 88 added to existing stakes and 63 trimmed.

The largest buyer was Eversept Partners, adding an estimated $54.6M. The largest seller was Wellington Management Group, cutting an estimated $59.2M.

  • 218 institutional investors held Syndax Pharmaceuticals (SNDX) as of Q1 2025, up from 215 in Q4 2024.
  • Funds reported $1.25B of Syndax Pharmaceuticals stock for Q1 2025, down 3.2% quarter-over-quarter.
  • 31 funds opened new Syndax Pharmaceuticals positions in Q1 2025 and 26 closed out, a net change of +5 holders.
  • The largest Syndax Pharmaceuticals buyer in Q1 2025 was Eversept Partners, an estimated $54.6M added.
  • The largest Syndax Pharmaceuticals seller in Q1 2025 was Wellington Management Group, an estimated $59.2M sold.

Based on aggregated 13F filings for Q1 2025.