SAN JOSE, CA
POWER INTEGRATIONS INCPOWI— Latest position per institution from SEC 13F filings
15
Institutional holders
57.74M
Total shares held
4.05B
Estimated value
2.89M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
8.72M
Value
730.56M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
7.56M
Value
268.57M
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
7.42M
Value
520.92M
Filed
Jun 30, 2024
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
5.19M
Value
434.74M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
3.60M
Value
301.19M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3.19M
Value
267.49M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.51M
Value
210.34M
Filed
Jun 30, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
2.38M
Value
199.52M
Filed
Jun 30, 2026
NEUBERGER BERMAN GROUP LLC
CIK 1465109
Shares
2.02M
Value
169.23M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
1.92M
Value
161.23K
Filed
Jun 30, 2026
DISCIPLINED GROWTH INVESTORS INC /MN
CIK 1050442
Shares
1.89M
Value
158.46M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.80M
Value
151.04M
Filed
Jun 30, 2026
SNYDER CAPITAL MANAGEMENT L P
CIK 1050477
Shares
1.77M
Value
147.96M
Filed
Jun 30, 2026
ROBECO SCHWEIZ AG
CIK 1418427
Shares
1.29M
Value
66.72M
Filed
Sep 30, 2026
MORGAN STANLEY
CIK 895421
Shares
1.19M
Value
99.88M
Filed
Jun 30, 2026
CAPITAL INTERNATIONAL INVESTORS
CIK 1562230
Shares
1.18M
Value
99.15M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.09M
Value
90.87M
Filed
Jun 30, 2026
NUVEEN, LLC
CIK 1871926
Shares
1.02M
Value
85.44M
Filed
Jun 30, 2026
HUDSON BAY CAPITAL MANAGEMENT LP
CIK 1393825
Shares
1M
Value
51.20M
Filed
Mar 31, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
991.19K
Value
61.16K
Filed
Dec 31, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 8.72M | 730.56M | Jun 30, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 7.56M | 268.57M | Dec 31, 2025 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 7.42M | 520.92M | Jun 30, 2024 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 5.19M | 434.74M | Jun 30, 2026 |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 3.60M | 301.19M | Jun 30, 2026 |
| 6 | STATE STREET CORP | 93751 | 3.19M | 267.49M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.51M | 210.34M | Jun 30, 2026 |
| 8 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 2.38M | 199.52M | Jun 30, 2026 |
| 9 | NEUBERGER BERMAN GROUP LLC | 1465109 | 2.02M | 169.23M | Jun 30, 2026 |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 1.92M | 161.23K | Jun 30, 2026 |
| 11 | DISCIPLINED GROWTH INVESTORS INC /MN | 1050442 | 1.89M | 158.46M | Jun 30, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.80M | 151.04M | Jun 30, 2026 |
| 13 | SNYDER CAPITAL MANAGEMENT L P | 1050477 | 1.77M | 147.96M | Jun 30, 2026 |
| 14 | ROBECO SCHWEIZ AG | 1418427 | 1.29M | 66.72M | Sep 30, 2026 |
| 15 | MORGAN STANLEY | 895421 | 1.19M | 99.88M | Jun 30, 2026 |
| 16 | CAPITAL INTERNATIONAL INVESTORS | 1562230 | 1.18M | 99.15M | Jun 30, 2026 |
| 17 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.09M | 90.87M | Jun 30, 2026 |
| 18 | NUVEEN, LLC | 1871926 | 1.02M | 85.44M | Jun 30, 2026 |
| 19 | HUDSON BAY CAPITAL MANAGEMENT LP | 1393825 | 1M | 51.20M | Mar 31, 2026 |
| 20 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 991.19K | 61.16K | Dec 31, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.