SUNNYVALE, CA
ALPHA & OMEGA SEMICONDUCTOR LTDAOSL— Latest position per institution from SEC 13F filings
15
Institutional holders
24.93M
Total shares held
612.72M
Estimated value
1.25M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
3.90M
Value
86.53M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
3.73M
Value
139.32M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
2.42M
Value
48.03M
Filed
Dec 31, 2025
HOOD RIVER CAPITAL MANAGEMENT LLC
CIK 1578177
Shares
1.99M
Value
49.38M
Filed
Mar 31, 2025
MANUFACTURERS LIFE INSURANCE COMPANY, THE
CIK 928047
Shares
1.57M
Value
34.89M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.56M
Value
34.65M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.40M
Value
31.06M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.17M
Value
25.90M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.05M
Value
23.30M
Filed
Mar 31, 2026
ROBECO SCHWEIZ AG
CIK 1418427
Shares
785.26K
Value
21.96M
Filed
Sep 30, 2025
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
694.81K
Value
15.40M
Filed
Mar 31, 2026
BOSTON PARTNERS
CIK 1386060
Shares
689.14K
Value
13.65M
Filed
Dec 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
628.67K
Value
13.93M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
553.01K
Value
12.25M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
544.71K
Value
12.07M
Filed
Mar 31, 2026
WEBER CAPITAL MANAGEMENT LLC /ADV
CIK 1099905
Shares
542.31K
Value
12.02M
Filed
Mar 31, 2026
ROYCE & ASSOCIATES LP
CIK 906304
Shares
518.12K
Value
11.48M
Filed
Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
420.43K
Value
9.32M
Filed
Mar 31, 2026
INVESCO LTD.
CIK 914208
Shares
375.77K
Value
8.33M
Filed
Mar 31, 2026
CLEARLINE CAPITAL LP
CIK 1600136
Shares
372.78K
Value
9.27M
Filed
Mar 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 3.90M | 86.53M | Mar 31, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 3.73M | 139.32M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 2.42M | 48.03M | Dec 31, 2025 |
| 4 | HOOD RIVER CAPITAL MANAGEMENT LLC | 1578177 | 1.99M | 49.38M | Mar 31, 2025 |
| 5 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | 1.57M | 34.89M | Mar 31, 2026 |
| 6 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.56M | 34.65M | Mar 31, 2026 |
| 7 | STATE STREET CORP | 93751 | 1.40M | 31.06M | Mar 31, 2026 |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.17M | 25.90M | Mar 31, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.05M | 23.30M | Mar 31, 2026 |
| 10 | ROBECO SCHWEIZ AG | 1418427 | 785.26K | 21.96M | Sep 30, 2025 |
| 11 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 694.81K | 15.40M | Mar 31, 2026 |
| 12 | BOSTON PARTNERS | 1386060 | 689.14K | 13.65M | Dec 31, 2025 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 628.67K | 13.93M | Mar 31, 2026 |
| 14 | TWO SIGMA INVESTMENTS, LP | 1179392 | 553.01K | 12.25M | Mar 31, 2026 |
| 15 | FMR LLC | 315066 | 544.71K | 12.07M | Mar 31, 2026 |
| 16 | WEBER CAPITAL MANAGEMENT LLC /ADV | 1099905 | 542.31K | 12.02M | Mar 31, 2026 |
| 17 | ROYCE & ASSOCIATES LP | 906304 | 518.12K | 11.48M | Mar 31, 2026 |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 420.43K | 9.32M | Mar 31, 2026 |
| 19 | INVESCO LTD. | 914208 | 375.77K | 8.33M | Mar 31, 2026 |
| 20 | CLEARLINE CAPITAL LP | 1600136 | 372.78K | 9.27M | Mar 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.