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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
EFM
151
E Fund Management
China
$197K +$48.4K +3,428 +27%
Universal-Beteiligungs- und Servicegesellschaft
152
Universal-Beteiligungs- und Servicegesellschaft
Germany
$179K +$205K +14,560 New
SA
153
Sanctuary Advisors
Indiana
$169K -$161K -11,399 -45%
Public Employees Retirement Association of Colorado
154
Public Employees Retirement Association of Colorado
Colorado
$169K
Zurich Cantonal Bank
155
Zurich Cantonal Bank
Switzerland
$163K -$66.7K -4,731 -26%
Wealth Enhancement Advisory Services
156
Wealth Enhancement Advisory Services
Minnesota
$162K +$186K +13,172 New
GC
157
Guggenheim Capital
Illinois
$153K +$8.59K +609 +5%
OF
158
Optimize Financial
California
$150K +$10.1K +718 +6%
VIA
159
Virtus Investment Advisers
Connecticut
$150K +$172K +12,192 New
MF
160
Magnetar Financial
Illinois
$132K +$151K +10,717 New
Victory Capital Management
161
Victory Capital Management
Texas
$125K +$1.68K +119 +1%
FCM
162
Farallon Capital Management
California
$123K
ETC
163
Exchange Traded Concepts
Oklahoma
$120K +$8.01K +568 +6%
MFIM
164
Mesirow Financial Investment Management
Illinois
$115K
AIP
165
Ameritas Investment Partners
Nebraska
$96.5K
CIA
166
Cape Investment Advisory
Georgia
$79K
KBC Group
167
KBC Group
Belgium
$64K -$25K -1,774 -26%
US Bancorp
168
US Bancorp
Minnesota
$62.1K -$4.23K -300 -6%
TRCT
169
Tower Research Capital (TRC)
New York
$51.3K -$198K -14,018 -77%
Mirae Asset Global Investments
170
Mirae Asset Global Investments
South Korea
$37.6K +$169 +12 +0.4%
AB
171
Amalgamated Bank
New York
$34K +$127 +9 +0.3%
Osaic Holdings
172
Osaic Holdings
Arizona
$29.6K +$7.05K +500 +26%
GFM
173
GF Fund Management
China
$26.9K +$5.56K +394 +22%
PNC Financial Services Group
174
PNC Financial Services Group
Pennsylvania
$26.3K +$3.29K +233 +12%
QL
175
Quarry LP
New York
$24.6K +$28.2K +2,000 New

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.