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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
T. Rowe Price Associates
101
T. Rowe Price Associates
Maryland
$813K +$128K +9,095 +16%
State of Wisconsin Investment Board
102
State of Wisconsin Investment Board
Wisconsin
$788K +$155K +10,978 +21%
XT
103
XTX Topco
Cayman Islands
$783K +$899K +63,726 New
Schroder Investment Management Group
104
Schroder Investment Management Group
United Kingdom
$759K
BHCM
105
Brevan Howard Capital Management
Jersey
$741K +$653K +46,266 +329%
UOC
106
UBS O'Connor
Illinois
$730K -$434K -30,794 -34%
IC
107
IEQ Capital
California
$727K +$835K +59,210 New
Mirae Asset Global ETFs Holdings
108
Mirae Asset Global ETFs Holdings
Hong Kong
$705K +$43.6K +3,094 +6%
AI
109
Atom Investors
Texas
$704K -$77.9K -5,521 -9%
IIM
110
INTECH Investment Management
Florida
$684K +$326K +23,146 +71%
LPC
111
Lion Point Capital
New York
$676K
AI
112
Axiom Investors
Connecticut
$641K -$14.4K -1,020 -2%
HSBC Holdings
113
HSBC Holdings
United Kingdom
$613K -$6.66K -472 -0.9%
MIM
114
MetLife Investment Management
New Jersey
$611K -$11K -783 -2%
SSA
115
Schonfeld Strategic Advisors
New York
$570K +$363K +25,738 +125%
VOYA Investment Management
116
VOYA Investment Management
Georgia
$567K -$37.3K -2,642 -5%
Wells Fargo
117
Wells Fargo
California
$528K +$11.9K +843 +2%
Janus Henderson Group
118
Janus Henderson Group
United Kingdom
$518K
Manulife (Manufacturers Life Insurance)
119
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$512K -$17.2K -1,220 -3%
Creative Planning
120
Creative Planning
Kansas
$510K +$382K +27,051 +187%
CF
121
Corebridge Financial
Texas
$495K -$8.42K -597 -1%
A
122
AlphaQuest
New York
$483K +$221K +15,694 +66%
DFCM
123
Dark Forest Capital Management
Puerto Rico
$482K +$553K +39,209 New
Wellington Management Group
124
Wellington Management Group
Massachusetts
$442K -$59.2M -4,198,493 -99%
PA
125
Profund Advisors
Maryland
$436K +$13.2K +933 +3%

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.