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Syndax Pharmaceuticals

246 hedge funds and large institutions have $2.32B invested in Syndax Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 99 increasing their positions, 68 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

86% more call options, than puts

Call options by funds: $15.2M | Put options by funds: $8.14M

80% more first-time investments, than exits

New positions opened: 45 | Existing positions closed: 25

46% more repeat investments, than reductions

Existing positions increased: 99 | Existing positions reduced: 68

11% more capital invested

Capital invested by funds: $2.1B → $2.32B (+$222M)

7% more funds holding

Funds holding: 229246 (+17)

2.28% less ownership

Funds ownership: 114.94%112.66% (-2.3%)

9% less funds holding in top 10

Funds holding in top 10: 1110 (-1)

Holders
246
Holders Change
+17
Holders Change %
+7.42%
% of All Funds
3.03%
Holding in Top 10
10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-9.09%
% of All Funds
0.12%
New
45
Increased
99
Reduced
68
Closed
25
Calls
$15.2M
Puts
$8.14M
Net Calls
+$7.04M
Net Calls Change
-$8.56M
Name Holding Trade Value Shares
Change
Change in
Stake
PFSRSONJ
151
Police & Firemen's Retirement System of New Jersey
New Jersey
$546K
Cetera Investment Advisers
152
Cetera Investment Advisers
Illinois
$532K -$7.76K -357 -2%
QCM
153
Quantinno Capital Management
New York
$527K +$48.6K +2,237 +11%
ASRS
154
Arizona State Retirement System
Arizona
$525K -$7.28K -335 -1%
II
155
Inspire Investing
Idaho
$515K -$2.41K -111 -0.5%
FRM
156
Fox Run Management
Connecticut
$494K -$398K -18,309 -45%
Simplex Trading
157
Simplex Trading
Illinois
$486K -$105K -4,835 -19%
Citigroup
158
Citigroup
New York
$475K -$74.1K -3,409 -14%
MG
159
Marex Group
$469K +$109K +5,000 +33%
PR
160
PSP Research
Pennsylvania
$467K -$102K -4,716 -19%
Allspring Global Investments
161
Allspring Global Investments
North Carolina
$467K +$43.5K +2,002 +11%
VIA
162
Vanguard Investments Australia
Australia
$458K +$426K +19,585 New
State Board of Administration of Florida Retirement System
163
State Board of Administration of Florida Retirement System
Florida
$443K
AC
164
AXQ Capital
New Jersey
$428K +$399K +18,340 New
KK
165
KLP Kapitalforvaltning
Norway
$411K
ACM
166
ADAR1 Capital Management
Texas
$409K +$120K +5,500 +46%
DnB Asset Management
167
DnB Asset Management
Norway
$389K -$285K -13,108 -44%
ProShare Advisors
168
ProShare Advisors
Maryland
$384K -$64.4K -2,966 -15%
GC
169
Guggenheim Capital
Illinois
$375K +$33K +1,518 +10%
EFM
170
E Fund Management
China
$366K +$341K +15,678 New
CUAMC
171
China Universal Asset Management Company
China
$366K +$32.4K +1,489 +11%
Bank of Montreal
172
Bank of Montreal
Ontario, Canada
$356K +$331K +15,242 New
TRCT
173
Tower Research Capital (TRC)
New York
$337K +$208K +9,588 +198%
Raymond James Financial
174
Raymond James Financial
Florida
$323K +$59K +2,714 +24%
Public Employees Retirement Association of Colorado
175
Public Employees Retirement Association of Colorado
Colorado
$321K

SNDX Hedge Fund Activity: Q1 2026 in Review

246 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Syndax Pharmaceuticals (SNDX) for Q1 2026, worth a combined $2.32B — up 11% from $2.1B a quarter earlier.

Buyers outnumbered sellers: 45 funds opened new SNDX positions and 25 closed out — a net gain of 20 holders — while 99 added to existing stakes and 68 trimmed.

The largest buyer was Deerfield Management, opening a new position worth an estimated $82.1M. The largest seller was Point72 Asset Management, cutting an estimated $62.9M.

  • 246 institutional investors held Syndax Pharmaceuticals (SNDX) as of Q1 2026, up from 229 in Q4 2025.
  • Funds reported $2.32B of Syndax Pharmaceuticals stock for Q1 2026, up 11% quarter-over-quarter.
  • 45 funds opened new Syndax Pharmaceuticals positions in Q1 2026 and 25 closed out, a net change of +20 holders.
  • The largest Syndax Pharmaceuticals buyer in Q1 2026 was Deerfield Management, an estimated $82.1M added.
  • The largest Syndax Pharmaceuticals seller in Q1 2026 was Point72 Asset Management, an estimated $62.9M sold.

Based on aggregated 13F filings for Q1 2026.