ALAMEDA, CA
PENUMBRA INCPEN— Latest position per institution from SEC 13F filings
15
Institutional holders
43.43M
Total shares held
8.70B
Estimated value
2.17M
Avg. position size
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
CIK 1081019
Shares
13.67M
Value
43.29K
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
4.30M
Value
1.36B
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.26M
Value
765.80M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
3.77M
Value
1.17B
Filed
Dec 31, 2025
HBK INVESTMENTS L P
CIK 1011443
Shares
1.84M
Value
580.51M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.71M
Value
539.89M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.67M
Value
526.44M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
1.24M
Value
392.56M
Filed
Jun 30, 2026
CAPITAL RESEARCH GLOBAL INVESTORS
CIK 1422848
Shares
1.13M
Value
252.39M
Filed
Mar 31, 2024
EXODUSPOINT CAPITAL MANAGEMENT, LP
CIK 1736225
Shares
1.09M
Value
344.30M
Filed
Jun 30, 2026
BALYASNY ASSET MANAGEMENT L.P.
CIK 1218710
Shares
1.09M
Value
344.22M
Filed
Jun 30, 2026
JPMORGAN CHASE & CO
CIK 19617
Shares
1.07M
Value
338.56M
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
947.61K
Value
299.21M
Filed
Jun 30, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
866.50K
Value
269.40M
Filed
Dec 31, 2025
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
856.80K
Value
270.54M
Filed
Jun 30, 2026
BAILLIE GIFFORD & CO
CIK 1088875
Shares
840.43K
Value
275.97M
Filed
Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
834.90K
Value
263.62M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
796.47K
Value
251.55M
Filed
Jun 30, 2026
NORGES BANK
CIK 1374170
Shares
752.24K
Value
237.52M
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
703.82K
Value
222.23M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | 13.67M | 43.29K | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 4.30M | 1.36B | Jun 30, 2026 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 4.26M | 765.80M | Jun 30, 2024 |
| 4 | VANGUARD GROUP INC | 102909 | 3.77M | 1.17B | Dec 31, 2025 |
| 5 | HBK INVESTMENTS L P | 1011443 | 1.84M | 580.51M | Jun 30, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.71M | 539.89M | Jun 30, 2026 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.67M | 526.44M | Jun 30, 2026 |
| 8 | STATE STREET CORP | 93751 | 1.24M | 392.56M | Jun 30, 2026 |
| 9 | CAPITAL RESEARCH GLOBAL INVESTORS | 1422848 | 1.13M | 252.39M | Mar 31, 2024 |
| 10 | EXODUSPOINT CAPITAL MANAGEMENT, LP | 1736225 | 1.09M | 344.30M | Jun 30, 2026 |
| 11 | BALYASNY ASSET MANAGEMENT L.P. | 1218710 | 1.09M | 344.22M | Jun 30, 2026 |
| 12 | JPMORGAN CHASE & CO | 19617 | 1.07M | 338.56M | Jun 30, 2026 |
| 13 | MILLENNIUM MANAGEMENT LLC | 1273087 | 947.61K | 299.21M | Jun 30, 2026 |
| 14 | RTW INVESTMENTS, LP | 1493215 | 866.50K | 269.40M | Dec 31, 2025 |
| 15 | GOLDMAN SACHS GROUP INC | 886982 | 856.80K | 270.54M | Jun 30, 2026 |
| 16 | BAILLIE GIFFORD & CO | 1088875 | 840.43K | 275.97M | Mar 31, 2026 |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 834.90K | 263.62M | Jun 30, 2026 |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 796.47K | 251.55M | Jun 30, 2026 |
| 19 | NORGES BANK | 1374170 | 752.24K | 237.52M | Jun 30, 2026 |
| 20 | UBS GROUP AG | 1610520 | 703.82K | 222.23M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.