Power IntegrationsPOWI
13F holders, Q1 2025 (March 31)342holders +17
60new positions
42sold out
6famous investors
$50.54avg. 13F price*
At the end of Q1 2025, 342 institutions reported holding Power Integrations Inc. (POWI) in their 13F filings, up 17 from Q4 2024. 60 opened new positions and 42 sold out. The largest holders were BlackRock, Inc. ($396.5M), Vanguard Group Inc. ($361.9M) and Neuberger Berman Group LLC ($198.4M). 6 famous investors held it, including Jeremy Grantham (0.1% of GMO's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Power Integrations Inc.
- CUSIP
- 739276103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 60 | $94.4M |
| Exits | 42 | $101.4M |
All 13F filers, Q4 2024 → Q1 2025: 4,833,557 shares bought and 4,264,719 shares sold, net +568,838 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 342 holders
| BlackRock, Inc. | 0.01% | Reduce -1.0% | 7,850,643 | $396.5M |
| Vanguard Group Inc. | 0.01% | Reduce -0.6% | 7,165,537 | $361.9M |
| Neuberger Berman Group LLC | 0.17% | Add +2.4% | 3,929,160 | $198.4M |
| State Street Corp. | 0.01% | Add +3.8% | 2,641,343 | $133.4M |
| Disciplined Growth Investors Inc. | 2.17% | Reduce -1.1% | 2,076,576 | $104.9M |
| JPMorgan Chase & Co. | 0.01% | Reduce -5.5% | 1,815,581 | $91.7M |
| Wellington Management Group LLP | 0.02% | Reduce -28.4% | 1,750,919 | $88.4M |
| Geode Capital Management, LLC | 0.01% | Add +3.5% | 1,660,250 | $83.9M |
| Capital International Investors | 0.01% | Reduce -0.0% | 1,503,036 | $75.9M |
| Invesco Ltd. | 0.01% | Add +1345.8% | 1,314,208 | $66.4M |
| Morgan Stanley | 0.00% | Reduce -7.1% | 1,214,611 | $61.3M |
| Copeland Capital Management, LLC | 1.21% | Reduce -1.8% | 1,199,136 | $60.6M |
| Northern Trust Corp. | 0.01% | Add +7.9% | 1,075,076 | $54.3M |
| Dimensional Fund Advisors LP | 0.01% | Add +3.8% | 1,040,860 | $52.6M |
| Snyder Capital Management L P | 0.94% | Reduce -3.2% | 854,506 | $43.2M |
| Brown Advisory Inc. | 0.06% | Reduce -6.0% | 815,306 | $41.2M |
| Stephens Investment Management Group LLC | 0.54% | Add +30.5% | 738,976 | $37.3M |
| Congress Asset Management Co. | 0.28% | Add +16.8% | 737,134 | $37.2M |
| Boston Trust Walden Corp | 0.27% | Reduce -0.8% | 733,747 | $37.1M |
| American Century Companies Inc. | 0.02% | New | 731,065 | $36.9M |
| Federated Hermes, Inc. | 0.08% | Add +0.4% | 714,013 | $36.1M |
| Robeco Schweiz AG | 0.84% | Add +1.6% | 674,328 | $34.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +1.4% | 664,214 | $33.5M |
| Goldman Sachs Group Inc. | 0.01% | Add +14.9% | 572,360 | $28.9M |
| Bank of New York Mellon Corp | 0.01% | Reduce -3.4% | 536,043 | $27.1M |
| GMO | 0.08% | Reduce -6.7% | 477,000 | $24.1M |
| Riverbridge Partners LLC | 0.38% | Reduce -8.6% | 472,794 | $23.9M |
| D. E. Shaw & Co. | 0.03% | Reduce -9.5% | 469,545 | $23.7M |
| Fiera Capital Corp | 0.08% | Reduce -0.5% | 464,373 | $23.5M |
| Bank of America Corp. | 0.00% | Add +8.1% | 433,653 | $21.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.06% | Add +11.7% | 431,025 | $21.8M |
| Citigroup Inc. | 0.01% | Add +12.9% | 374,046 | $18.9M |
| Loomis Sayles & Co. L P | 0.02% | Reduce -2.2% | 336,369 | $17.0M |
| Tributary Capital Management, LLC | 1.39% | Reduce -1.4% | 315,673 | $15.9M |
| Envestnet Asset Management Inc. | 0.00% | Add +6.6% | 289,972 | $14.6M |
| Vontobel Holding Ltd. | 0.05% | Reduce -24.0% | 285,220 | $14.4M |
| ASR Vermogensbeheer N.V. | 0.21% | — | 281,518 | $14.2M |
| Norges Bank | 0.00% | Reduce -14.8% | 271,489 | $13.7M |
| Ceredex Value Advisors LLC | 0.30% | Reduce -53.8% | 271,000 | $13.7M |
| Public Employees Retirement Association of Colorado | 0.06% | Reduce -0.5% | 255,521 | $12.9M |
| Rhumbline Advisers | 0.01% | Add +37.9% | 252,300 | $12.7M |
| WCM Investment Management, LLC | 0.03% | Add +0.1% | 246,188 | $12.6M |
| ProShare Advisors LLC | 0.03% | Reduce -9.5% | 241,368 | $12.2M |
| Granite Investment Partners, LLC | 0.61% | New | 237,037 | $12.0M |
| Voloridge Investment Management, LLC | 0.04% | Reduce -16.9% | 226,635 | $11.4M |
| Foresight Group Ltd Liability Partnership | 1.59% | New | 223,198 | $11.3M |
| Barclays PLC | 0.01% | Reduce -9.3% | 220,604 | $11.1M |
| UBS Group AG | 0.00% | Add +17.1% | 199,725 | $10.1M |
| First Trust Advisors LP | 0.01% | Reduce -18.9% | 189,906 | $9.6M |
| Citadel Advisors | 0.01% | Add +12.5% | 187,148 | $9.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +15.4% | 174,754 | $8.8M |
| Crawford Investment Counsel Inc. | 0.16% | Add +18.2% | 174,620 | $8.8M |
| New York State Common Retirement Fund | 0.01% | Add +18.3% | 157,468 | $8.0M |
| M&G PLC | 0.05% | Add +6.4% | 153,412 | $7.8M |
| Marshall Wace, LLP | 0.01% | New | 154,856 | $7.8M |
| Wasatch Advisors LP | 0.04% | Reduce -14.0% | 140,967 | $7.1M |
| Principal Financial Group Inc. | 0.00% | Add +0.3% | 132,718 | $6.7M |
| GW&K Investment Management, LLC | 0.06% | Reduce -0.5% | 129,419 | $6.5M |
| Sei Investments Co. | 0.01% | Add +25.7% | 121,437 | $6.1M |
| Legal & General Group Plc | 0.00% | Reduce -0.1% | 116,680 | $5.9M |
| Alliancebernstein L.P. | 0.00% | Reduce -5.6% | 115,996 | $5.9M |
| Deutsche Bank AG | 0.00% | Reduce -3.1% | 112,714 | $5.7M |
| Wells Fargo & Company | 0.00% | Reduce -4.0% | 111,343 | $5.6M |
| Swiss National Bank | 0.00% | Reduce -1.4% | 110,200 | $5.6M |
| AQR Capital Management | 0.01% | Add +22.2% | 109,752 | $5.5M |
| Renaissance Technologies | 0.01% | Add +33.1% | 108,600 | $5.5M |
| Nuveen, LLC | 0.00% | — | 61,512 | $5.4M |
| California Public Employees Retirement System | 0.00% | Add +2.8% | 104,209 | $5.3M |
| Madison Asset Management, LLC | 0.06% | Add +21.7% | 102,726 | $5.2M |
| Jane Street Group, LLC | 0.01% | Add +1348.9% | 101,420 | $5.1M |
| Nicholas Company, Inc. | 0.09% | No change | 100,775 | $5.1M |
| BNP Paribas Financial Markets | 0.00% | Add +98.2% | 94,222 | $4.8M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -8.6% | 93,760 | $4.7M |
| Corebridge Financial, Inc. | 0.03% | Reduce -2.0% | 90,231 | $4.6M |
| Retirement Systems of Alabama | 0.02% | Add +0.2% | 88,993 | $4.5M |
| Qube Research & Technologies Ltd | 0.01% | Add +506.1% | 86,094 | $4.3M |
| CW Advisors, LLC | 0.05% | Add +22.7% | 85,748 | $4.3M |
| Raymond James Financial Inc. | 0.00% | Reduce -33.8% | 80,093 | $4.0M |
| PineStone Asset Management Inc. | 0.03% | No change | 79,100 | $4.0M |
| Royal Bank of Canada | 0.00% | Add +5.0% | 75,792 | $3.8M |
| Allianz Asset Management GmbH | 0.01% | Add +114.3% | 75,658 | $3.8M |
| Algert Global LLC | 0.09% | Add +185.3% | 68,856 | $3.5M |
| Susquehanna International Group, LLP | 0.01% | Add +185.6% | 68,358 | $3.5M |
| Russell Investments Group, Ltd. | 0.00% | Add +3.0% | 67,780 | $3.4M |
| Dark Forest Capital Management LP | 0.16% | New | 67,419 | $3.4M |
| Ameriprise Financial Inc. | 0.00% | Add +3.6% | 65,594 | $3.3M |
| Capital Fund Management S.A. | 0.04% | Add +127.2% | 65,234 | $3.3M |
| Stifel Financial Corp. | 0.00% | Reduce -36.8% | 63,500 | $3.2M |
| MetLife Investment Management, LLC | 0.02% | Reduce -2.8% | 63,371 | $3.2M |
| EFG Asset Management (North America) Corp. | 0.51% | Reduce -1.3% | 60,525 | $3.1M |
| Shell Asset Management Co. | 0.14% | Reduce -7.0% | 57,646 | $2.9M |
| Squarepoint Ops LLC | 0.01% | New | 55,094 | $2.8M |
| State of Wisconsin Investment Board | 0.01% | Add +0.7% | 54,208 | $2.7M |
| California State Teachers Retirement System | 0.00% | Reduce -1.4% | 52,401 | $2.6M |
| Holocene Advisors, LP | 0.01% | Add +47.8% | 48,712 | $2.5M |
| T. Rowe Price Associates Inc. | 0.00% | Add +3.7% | 46,047 | $2.3M |
| Montanaro Asset Management Ltd | 0.67% | Reduce -76.3% | 45,000 | $2.3M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -6.0% | 44,152 | $2.2M |
| Bahl & Gaynor LLC | 0.01% | Add +5.0% | 43,887 | $2.2M |
| B. Metzler seel. Sohn & Co. AG | 0.02% | No change | 42,955 | $2.2M |
"% of holder's portfolio" is POWI's weight in each manager's 13F, not the share of Power Integrations Inc. the manager owns.