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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
SC
101
SummitTX Capital
Texas
$1.55M +$591K +27,213 +70%
TI
102
Tidal Investments
Wisconsin
$1.53M +$1.42M +65,326 New
Hudson Bay Capital Management
103
Hudson Bay Capital Management
Connecticut
$1.46M -$2.23M -102,670 -62%
Legal & General Group
104
Legal & General Group
United Kingdom
$1.38M -$417K -19,178 -25%
TE
105
Tema ETFs
New York
$1.36M -$906K -41,705 -42%
PA
106
Profund Advisors
Maryland
$1.31M -$89.8K -4,134 -7%
Marshall Wace
107
Marshall Wace
United Kingdom
$1.27M +$1.18M +54,274 New
NICM
108
Neo Ivy Capital Management
New York
$1.24M +$1.15M +53,149 New
VOYA Investment Management
109
VOYA Investment Management
Georgia
$1.24M -$11K -505 -0.9%
VAM
110
Vanguard Asset Management
$1.22M +$1.13M +52,097 New
Barclays
111
Barclays
United Kingdom
$1.18M -$5.74M -264,349 -84%
Mirae Asset Global ETFs Holdings
112
Mirae Asset Global ETFs Holdings
Hong Kong
$1.14M +$3.96K +182 +0.4%
GCP
113
GSA Capital Partners
United Kingdom
$1.13M +$566K +26,031 +116%
MIM
114
MetLife Investment Management
New Jersey
$1.09M -$62.9K -2,894 -6%
State of Wisconsin Investment Board
115
State of Wisconsin Investment Board
Wisconsin
$1.07M +$110K +5,085 +12%
CC
116
Clearline Capital
New York
$1.01M
Envestnet Asset Management
117
Envestnet Asset Management
Illinois
$978K +$371K +17,066 +69%
Assenagon Asset Management
118
Assenagon Asset Management
Luxembourg
$975K
Stifel Financial
119
Stifel Financial
Missouri
$974K -$743K -34,200 -45%
VIA
120
Virtus Investment Advisers
Connecticut
$968K +$172K +7,896 +24%
LCM
121
Legato Capital Management
California
$967K +$899K +41,376 New
BNP Paribas Financial Markets
122
BNP Paribas Financial Markets
France
$943K +$568K +26,153 +184%
Manulife (Manufacturers Life Insurance)
123
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$932K +$314K +14,443 +57%
Janus Henderson Group
124
Janus Henderson Group
United Kingdom
$920K
Cerity Partners
125
Cerity Partners
New York
$913K +$222K +10,227 +35%

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.