NEW YORK, NY
SYNDAX PHARMACEUTICALS INCSNDX— Latest position per institution from SEC 13F filings
15
Institutional holders
102.94M
Total shares held
1.71B
Estimated value
5.15M
Avg. position size
OCTAGON CAPITAL ADVISORS LP
CIK 1839435
Shares
27.33M
Value
48.10M
Filed
Mar 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
8.25M
Value
192.82M
Filed
Mar 31, 2026
KYNAM CAPITAL MANAGEMENT, LP
CIK 1907884
Shares
8.05M
Value
188.07M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
7.91M
Value
162.33M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
6.23M
Value
130.90M
Filed
Dec 31, 2025
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
5M
Value
116.72M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
4.43M
Value
103.49M
Filed
Mar 31, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
4.25M
Value
99.28M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.82M
Value
89.30M
Filed
Mar 31, 2026
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
Shares
3.78M
Value
88.30M
Filed
Mar 31, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
3.31M
Value
50.95M
Filed
Sep 30, 2025
EVERSEPT PARTNERS, LP
CIK 1697013
Shares
2.89M
Value
67.41M
Filed
Mar 31, 2026
KINGDON CAPITAL MANAGEMENT, L.L.C.
CIK 1000097
Shares
2.50M
Value
58.40M
Filed
Mar 31, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
2.39M
Value
34.70M
Filed
Sep 30, 2023
HOOD RIVER CAPITAL MANAGEMENT LLC
CIK 1578177
Shares
2.35M
Value
55M
Filed
Mar 31, 2026
AVORO CAPITAL ADVISORS LLC
CIK 1633313
Shares
2.27M
Value
30.08M
Filed
Dec 31, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
2.16M
Value
50.40M
Filed
Mar 31, 2026
FRANKLIN RESOURCES INC
CIK 38777
Shares
2.15M
Value
50.23M
Filed
Mar 31, 2026
POINT72 ASSET MANAGEMENT, L.P.
CIK 1603466
Shares
1.99M
Value
46.38M
Filed
Mar 31, 2026
BVF INC/IL
CIK 1056807
Shares
1.88M
Value
44.63M
Filed
Mar 31, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | OCTAGON CAPITAL ADVISORS LP | 1839435 | 27.33M | 48.10M | Mar 31, 2025 |
| 2 | BLACKROCK, INC. | 2012383 | 8.25M | 192.82M | Mar 31, 2026 |
| 3 | KYNAM CAPITAL MANAGEMENT, LP | 1907884 | 8.05M | 188.07M | Mar 31, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 7.91M | 162.33M | Jun 30, 2024 |
| 5 | VANGUARD GROUP INC | 102909 | 6.23M | 130.90M | Dec 31, 2025 |
| 6 | GOLDMAN SACHS GROUP INC | 886982 | 5M | 116.72M | Mar 31, 2026 |
| 7 | STATE STREET CORP | 93751 | 4.43M | 103.49M | Mar 31, 2026 |
| 8 | BANK OF AMERICA CORP /DE/ | 70858 | 4.25M | 99.28M | Mar 31, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.82M | 89.30M | Mar 31, 2026 |
| 10 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1009258 | 3.78M | 88.30M | Mar 31, 2026 |
| 11 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 3.31M | 50.95M | Sep 30, 2025 |
| 12 | EVERSEPT PARTNERS, LP | 1697013 | 2.89M | 67.41M | Mar 31, 2026 |
| 13 | KINGDON CAPITAL MANAGEMENT, L.L.C. | 1000097 | 2.50M | 58.40M | Mar 31, 2026 |
| 14 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 2.39M | 34.70M | Sep 30, 2023 |
| 15 | HOOD RIVER CAPITAL MANAGEMENT LLC | 1578177 | 2.35M | 55M | Mar 31, 2026 |
| 16 | AVORO CAPITAL ADVISORS LLC | 1633313 | 2.27M | 30.08M | Dec 31, 2024 |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 2.16M | 50.40M | Mar 31, 2026 |
| 18 | FRANKLIN RESOURCES INC | 38777 | 2.15M | 50.23M | Mar 31, 2026 |
| 19 | POINT72 ASSET MANAGEMENT, L.P. | 1603466 | 1.99M | 46.38M | Mar 31, 2026 |
| 20 | BVF INC/IL | 1056807 | 1.88M | 44.63M | Mar 31, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.