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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
DT
176
Diversified Trust
Tennessee
$319K +$55.4K +2,551 +23%
Prudential Financial
177
Prudential Financial
New Jersey
$313K +$291K +13,410 New
TSS
178
Two Sigma Securities
New York
$304K +$283K +13,009 New
PRTG
179
Post Resch Tallon Group
New York
$302K -$224K -10,300 -45%
HCA
180
Harbour Capital Advisors
Virginia
$301K +$297K +13,650 New
BFG
181
Bleakley Financial Group
New Jersey
$292K +$271K +12,488 New
Pictet Asset Management
182
Pictet Asset Management
Switzerland
$289K
QC
183
Quadrature Capital
United Kingdom
$283K -$59.9K -2,757 -19%
MFG
184
Merit Financial Group
Georgia
$256K +$238K +10,954 New
MF
185
Magnetar Financial
Illinois
$252K +$234K +10,791 New
Teacher Retirement System of Texas
186
Teacher Retirement System of Texas
Texas
$246K -$34.3K -1,577 -13%
WG
187
Winton Group
United Kingdom
$241K -$92.9K -4,274 -29%
VCIM
188
Velan Capital Investment Management
Georgia
$234K -$2.61M -120,000 -92%
FCM
189
Farallon Capital Management
California
$234K
Commonwealth Equity Services
190
Commonwealth Equity Services
Massachusetts
$228K +$212K +9,775 New
PCA
191
Pallas Capital Advisors
Massachusetts
$227K -$27.6K -1,269 -12%
CAPTRUST Financial Advisors
192
CAPTRUST Financial Advisors
North Carolina
$223K +$208K +9,563 New
WS
193
Wedbush Securities
California
$212K +$197K +9,054 New
Canada Life
194
Canada Life
Manitoba, Canada
$169K
AIP
195
Ameritas Investment Partners
Nebraska
$166K
Mirae Asset Global Investments
196
Mirae Asset Global Investments
South Korea
$107K +$8.19K +377 +9%
US Bancorp
197
US Bancorp
Minnesota
$107K +$1.13K +52 +1%
Rockefeller Capital Management
198
Rockefeller Capital Management
New York
$75K +$59.5K +2,737 +580%
KBC Group
199
KBC Group
Belgium
$72K -$46K -2,118 -41%
Acadian Asset Management
200
Acadian Asset Management
Massachusetts
$67K -$158K -7,277 -72%

SNDX Hedge Fund Activity: Q1 2026 in Review

246 of the 8,128 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.