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Syndax Pharmaceuticals

218 hedge funds and large institutions have $1.24B invested in Syndax Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 87 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

38% more repeat investments, than reductions

Existing positions increased: 87 | 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

3.43% more ownership

Funds ownership: 115.2%118.64% (+3.4%)

1% more funds holding

Funds holding: 215218 (+3)

4% less capital invested

Capital invested by funds: $1.3B → $1.24B (-$55.6M)

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
87
Reduced
63
Closed
26
Calls
$18.1M
Puts
$7.88M
Net Calls
+$10.2M
Net Calls Change
-$2.9M

SNDX Hedge Fund Activity: Q1 2025 in Review

218 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in Syndax Pharmaceuticals (SNDX) for Q1 2025, worth a combined $1.24B — down 4.3% 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 87 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 $1.24B of Syndax Pharmaceuticals stock for Q1 2025, down 4.3% 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.