13F Insight
DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex
SNDX

Syndax Pharmaceuticals Inc

250 institutions still hold Syndax Pharmaceuticals Inc as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 87164f105·250 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 3.3%
vs prior quarter
13F value held
$1.4B
50.0% inst. owned
of float
Holders
250
+108 QoQ
filers reporting
Activity
+44 / −64
+901 added · −848 reduced
this quarter
Concentration
13.41%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

250 institutions reported SNDX in Q1 2026. BlackRock, Inc. leads at 13.4% of the visible book. +108 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$193M8.3M0.00%Q1 202602
Kynam Capital Management, LP
CIK 0001907884
$188M8.1M11.60%Q1 202603
GOLDMAN SACHS GROUP INC
CIK 0000886982
$117M5.0M0.01%Q1 202604
STATE STREET CORP
CIK 0000093751
$103M4.4M0.00%Q1 202605
BANK OF AMERICA CORP /DE/
CIK 0000070858
$99M4.2M0.01%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$89M3.8M0.00%Q1 202607
Eversept Partners, LP
CIK 0001697013
$67M2.9M3.55%Q1 202608
KINGDON CAPITAL MANAGEMENT, L.L.C.
CIK 0001000097
$58M2.5M6.41%Q1 202609
STEMPOINT CAPITAL LP
CIK 0001952142
$57M2.7M5.49%Q1 202610
Hood River Capital Management LLC
CIK 0001578177
$55M2.4M0.55%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$50M2.2M0.00%Q1 202612
FRANKLIN RESOURCES INC
CIK 0000038777
$50M2.2M0.01%Q1 202613
Point72 Asset Management, L.P.
CIK 0001603466
$46M2.0M0.06%Q1 202614
Vanguard Portfolio Management
CIK 0002100121
$41M1.7M0.00%Q1 202615
BNP Paribas Asset Management Holding S.A.
CIK 0001520354
$40M1.7M0.05%Q1 202616
Soleus Capital Management, L.P.
CIK 0001802630
$40M1.7M1.63%Q1 202617
Elmind Capital, LP
CIK 0002052213
$39M1.9M11.50%Q4 202518
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$37M1.6M0.03%Q1 202619
Nuveen, LLC
CIK 0001871926
$35M1.5M0.01%Q1 202620
MPM BioImpact LLC
CIK 0001687078
$31M1.3M2.42%Q1 2026
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