LOS ANGELES, CA
PUMA BIOTECHNOLOGY, INC.PBYI— Latest position per institution from SEC 13F filings
15
Institutional holders
40.85M
Total shares held
231.42M
Estimated value
2.04M
Avg. position size
ACORN CAPITAL ADVISORS, LLC
CIK 2054410
Shares
4.13M
Value
33.50M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
3.80M
Value
30.86M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
3.80M
Value
22.60M
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
3.57M
Value
11.65M
Filed
Jun 30, 2024
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
CIK 1892134
Shares
3.06M
Value
7.81M
Filed
Sep 30, 2024
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
2.32M
Value
18.82M
Filed
Jun 30, 2026
ACADIAN ASSET MANAGEMENT LLC
CIK 916542
Shares
2.05M
Value
16.65K
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
1.84M
Value
14.89M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.84M
Value
14.89M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.83M
Value
14.81M
Filed
Jun 30, 2026
CAMBER CAPITAL MANAGEMENT LP
CIK 1444043
Shares
1.65M
Value
8.74K
Filed
Mar 31, 2024
LSV ASSET MANAGEMENT
CIK 1050470
Shares
1.62M
Value
13.12K
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.52M
Value
12.31M
Filed
Jun 30, 2026
GREAT POINT PARTNERS LLC
CIK 1281446
Shares
1.49M
Value
4.85M
Filed
Jun 30, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.34M
Value
10.86M
Filed
Jun 30, 2026
ATHYRIUM CAPITAL MANAGEMENT, LP
CIK 1728001
Shares
1.26M
Value
3.20M
Filed
Sep 30, 2024
O'SHAUGHNESSY ASSET MANAGEMENT, LLC
CIK 1423442
Shares
1.12M
Value
9.11M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
952.16K
Value
7.72M
Filed
Jun 30, 2026
KENNEDY CAPITAL MANAGEMENT LLC
CIK 884589
Shares
873.25K
Value
7.08M
Filed
Jun 30, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 1107261
Shares
791.62K
Value
6.42M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | ACORN CAPITAL ADVISORS, LLC | 2054410 | 4.13M | 33.50M | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 3.80M | 30.86M | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 3.80M | 22.60M | Dec 31, 2025 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 3.57M | 11.65M | Jun 30, 2024 |
| 5 | FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 1892134 | 3.06M | 7.81M | Sep 30, 2024 |
| 6 | AMERICAN CENTURY COMPANIES INC | 748054 | 2.32M | 18.82M | Jun 30, 2026 |
| 7 | ACADIAN ASSET MANAGEMENT LLC | 916542 | 2.05M | 16.65K | Jun 30, 2026 |
| 8 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 1.84M | 14.89M | Jun 30, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.84M | 14.89M | Jun 30, 2026 |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.83M | 14.81M | Jun 30, 2026 |
| 11 | CAMBER CAPITAL MANAGEMENT LP | 1444043 | 1.65M | 8.74K | Mar 31, 2024 |
| 12 | LSV ASSET MANAGEMENT | 1050470 | 1.62M | 13.12K | Jun 30, 2026 |
| 13 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.52M | 12.31M | Jun 30, 2026 |
| 14 | GREAT POINT PARTNERS LLC | 1281446 | 1.49M | 4.85M | Jun 30, 2024 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.34M | 10.86M | Jun 30, 2026 |
| 16 | ATHYRIUM CAPITAL MANAGEMENT, LP | 1728001 | 1.26M | 3.20M | Sep 30, 2024 |
| 17 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 1423442 | 1.12M | 9.11M | Jun 30, 2026 |
| 18 | STATE STREET CORP | 93751 | 952.16K | 7.72M | Jun 30, 2026 |
| 19 | KENNEDY CAPITAL MANAGEMENT LLC | 884589 | 873.25K | 7.08M | Jun 30, 2026 |
| 20 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | 791.62K | 6.42M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.