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Syndax Pharmaceuticals

229 hedge funds and large institutions have $2.1B invested in Syndax Pharmaceuticals in 2025 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 83 increasing their positions, 80 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

108% more call options, than puts

Call options by funds: $30M | Put options by funds: $14.4M

35% more capital invested

Capital invested by funds: $1.56B → $2.1B (+$543M)

22% more first-time investments, than exits

New positions opened: 33 | Existing positions closed: 27

10% more funds holding in top 10

Funds holding in top 10: 1011 (+1)

4% more repeat investments, than reductions

Existing positions increased: 83 | Existing positions reduced: 80

1% more funds holding

Funds holding: 227229 (+2)

2.44% less ownership

Funds ownership: 117.38%114.94% (-2.4%)

Holders
229
Holders Change
+2
Holders Change %
+0.88%
% of All Funds
2.78%
Holding in Top 10
11
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+10%
% of All Funds
0.13%
New
33
Increased
83
Reduced
80
Closed
27
Calls
$30M
Puts
$14.4M
Net Calls
+$15.6M
Net Calls Change
+$3.08M
Name Holding Trade Value Shares
Change
Change in
Stake
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
76
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$2.89M +$2.4M +137,629 New
VCIM
77
Velan Capital Investment Management
Georgia
$2.73M
SG Americas Securities
78
SG Americas Securities
New York
$2.71M +$1.46M +83,801 +184%
PAM
79
Panagora Asset Management
Massachusetts
$2.63M -$527K -30,217 -19%
VC
80
Voss Capital
Texas
$2.63M +$2.18M +125,000 New
RhumbLine Advisers
81
RhumbLine Advisers
Massachusetts
$2.5M -$225K -12,870 -10%
YLHM
82
Yelin Lapidot Holdings Management
Israel
$2.28M
NIM
83
NEOS Investment Management
Connecticut
$2.13M -$149K -8,513 -8%
TE
84
Tema ETFs
New York
$2.1M -$175K -10,013 -9%
II
85
Ishara Investments
California
$2.1M +$1.74M +100,000 New
IC
86
IEQ Capital
California
$2.1M +$779K +44,672 +81%
TIP
87
Torray Investment Partners
Maryland
$2.05M +$1.71M +97,802 New
AllianceBernstein
88
AllianceBernstein
Tennessee
$1.99M -$554K -31,769 -25%
T. Rowe Price Associates
89
T. Rowe Price Associates
Maryland
$1.99M +$64.5K +3,695 +4%
Russell Investments Group
90
Russell Investments Group
United Kingdom
$1.88M +$176K +10,101 +13%
TI
91
Trexquant Investment
Connecticut
$1.84M +$1.53M +87,514 New
Legal & General Group
92
Legal & General Group
United Kingdom
$1.64M -$110K -6,310 -7%
California State Teachers Retirement System (CalSTRS)
93
California State Teachers Retirement System (CalSTRS)
California
$1.64M -$1.53K -88 -0.1%
Stifel Financial
94
Stifel Financial
Missouri
$1.59M -$391K -22,427 -23%
DFCM
95
Dark Forest Capital Management
Puerto Rico
$1.53M +$1.27M +72,703 New
Deutsche Bank
96
Deutsche Bank
Germany
$1.4M -$102K -5,862 -8%
SAM
97
Sectoral Asset Management
Quebec, Canada
$1.29M -$318K -18,230 -23%
PA
98
Profund Advisors
Maryland
$1.26M +$510K +29,221 +95%
Mariner
99
Mariner
Kansas
$1.15M +$550K +31,547 +135%
SAM
100
Simplify Asset Management
Nevada
$1.15M +$457K +26,210 +92%