Power IntegrationsPOWI
13F holders, Q4 2025 (December 31)299holders −16
46new positions
68sold out
5famous investors
$35.55avg. 13F price*
At the end of Q4 2025, 299 institutions reported holding Power Integrations Inc. (POWI) in their 13F filings, down 16 from Q3 2025. 46 opened new positions and 68 sold out. The largest holders were BlackRock, Inc. ($302.5M), Vanguard Group Inc. ($268.6M) and Neuberger Berman Group LLC ($141.2M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Power Integrations Inc.
- CUSIP
- 739276103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 46 | $100.3M |
| Exits | 68 | $126.7M |
All 13F filers, Q3 2025 → Q4 2025: 9,820,586 shares bought and 6,011,577 shares sold, net +3,809,009 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 299 holders
| BlackRock, Inc. | 0.01% | Add +21.0% | 8,511,304 | $302.5M |
| Vanguard Group Inc. | 0.00% | Add +5.7% | 7,556,919 | $268.6M |
| Neuberger Berman Group LLC | 0.11% | Reduce -5.1% | 3,973,057 | $141.2M |
| State Street Corp. | 0.00% | Add +18.0% | 3,400,970 | $120.9M |
| Wellington Management Group LLP | 0.02% | Add +7.2% | 2,423,972 | $86.1M |
| Snyder Capital Management L P | 1.37% | Add +148.8% | 2,064,707 | $73.4M |
| Disciplined Growth Investors Inc. | 1.36% | Add +1.8% | 2,001,698 | $71.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.4% | 1,659,643 | $59.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -3.0% | 1,603,683 | $57.0M |
| Morgan Stanley | 0.00% | Add +1.4% | 1,479,555 | $52.6M |
| Capital International Investors | 0.01% | Reduce -0.1% | 1,264,369 | $44.9M |
| Copeland Capital Management, LLC | 0.93% | Reduce -8.1% | 1,173,907 | $41.7M |
| Westwood Holdings Group Inc. | 0.30% | New | 1,037,517 | $36.9M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -4.3% | 985,227 | $35.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +1885.7% | 943,365 | $33.5M |
| Northern Trust Corp. | 0.00% | Reduce -17.4% | 824,990 | $29.3M |
| Brown Advisory Inc. | 0.04% | Reduce -11.3% | 749,127 | $26.6M |
| Stephens Investment Management Group LLC | 0.35% | Add +3.0% | 747,929 | $26.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +7.5% | 718,405 | $25.5M |
| Nomura Holdings Inc. | 0.07% | New | 654,046 | $23.2M |
| Boston Trust Walden Corp | 0.17% | Reduce -8.0% | 646,744 | $23.0M |
| Robeco Schweiz AG | 0.50% | Add +0.4% | 627,474 | $22.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.02% | Add +37.5% | 597,875 | $21.2M |
| Bank of America Corp. | 0.00% | Reduce -17.8% | 594,835 | $21.1M |
| Marshall Wace, LLP | 0.02% | Add +19.0% | 493,708 | $17.5M |
| Bank of New York Mellon Corp | 0.00% | Add +7.6% | 477,549 | $17.0M |
| Ceredex Value Advisors LLC | 0.48% | Add +84.9% | 453,650 | $16.1M |
| Voloridge Investment Management, LLC | 0.06% | Add +7.5% | 441,559 | $15.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -6.2% | 440,570 | $15.7M |
| Riverbridge Partners LLC | 0.24% | Reduce -5.2% | 357,594 | $12.7M |
| Granite Investment Partners, LLC | 0.75% | Add +36.8% | 355,031 | $12.6M |
| ASR Vermogensbeheer N.V. | 0.14% | Add +10.8% | 340,666 | $12.1M |
| ProShare Advisors LLC | 0.02% | Add +21.4% | 333,419 | $11.8M |
| Grandeur Peak Global Advisors, LLC | 1.46% | New | 305,529 | $10.9M |
| Federated Hermes, Inc. | 0.02% | Add +9.9% | 304,549 | $10.8M |
| Tributary Capital Management, LLC | 1.06% | Add +0.2% | 303,221 | $10.8M |
| AQR Capital Management | 0.01% | Reduce -13.6% | 284,360 | $10.1M |
| UBS Group AG | 0.00% | Add +149.5% | 276,073 | $9.8M |
| Principal Financial Group Inc. | 0.00% | Add +108.6% | 264,655 | $9.4M |
| Public Employees Retirement Association of Colorado | 0.03% | No change | 255,521 | $9.1M |
| Invesco Ltd. | 0.00% | Add +80.9% | 242,853 | $8.6M |
| Loomis Sayles & Co. L P | 0.01% | Reduce -12.9% | 239,583 | $8.5M |
| Silvercrest Asset Management Group LLC | 0.06% | New | 229,525 | $8.2M |
| First Trust Advisors LP | 0.01% | Add +13.6% | 227,736 | $8.1M |
| Foresight Group Ltd Liability Partnership | 1.19% | Reduce -0.8% | 219,494 | $7.9M |
| Crawford Investment Counsel Inc. | 0.13% | Add +8.3% | 220,803 | $7.8M |
| Rhumbline Advisers | 0.01% | Reduce -12.4% | 210,219 | $7.5M |
| Renaissance Technologies | 0.01% | Reduce -6.5% | 206,100 | $7.3M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -31.5% | 198,021 | $7.0M |
| Public Sector Pension Investment Board | 0.02% | New | 191,500 | $6.8M |
| Deutsche Bank AG | 0.00% | Reduce -19.9% | 166,872 | $5.9M |
| Sei Investments Co. | 0.01% | Add +29.0% | 160,372 | $5.7M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +90.1% | 151,072 | $5.4M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.70% | Add +294.7% | 150,000 | $5.3M |
| Legal & General Group Plc | 0.00% | Add +32.9% | 145,895 | $5.2M |
| Barclays PLC | 0.00% | Reduce -25.3% | 145,720 | $5.2M |
| Nuveen, LLC | 0.00% | Reduce -18.5% | 133,245 | $4.7M |
| S Squared Technology, LLC | 1.79% | Add +116.7% | 130,000 | $4.6M |
| Citigroup Inc. | 0.00% | Reduce -7.9% | 123,500 | $4.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +0.2% | 119,221 | $4.2M |
| Nicholas Company, Inc. | 0.07% | No change | 110,655 | $3.9M |
| Swiss National Bank | 0.00% | Add +1.4% | 110,600 | $3.9M |
| Bessemer Group Inc. | 0.01% | Add +1397.9% | 106,978 | $3.8M |
| Millennium Management | 0.00% | Reduce -28.1% | 106,559 | $3.8M |
| Madison Asset Management, LLC | 0.04% | Add +0.7% | 103,843 | $3.7M |
| Ameriprise Financial Inc. | 0.00% | Add +86.0% | 97,081 | $3.5M |
| Susquehanna International Group, LLP | 0.00% | Add +277.9% | 96,514 | $3.4M |
| Wells Fargo & Company | 0.00% | Reduce -18.5% | 93,514 | $3.3M |
| D. E. Shaw & Co. | 0.00% | Reduce -86.7% | 87,212 | $3.1M |
| Canada Pension Plan Investment Board | 0.00% | Add +0.5% | 85,500 | $3.0M |
| Trexquant Investment LP | 0.03% | Add +83.2% | 82,782 | $2.9M |
| Russell Investments Group, Ltd. | 0.00% | Add +15.4% | 80,125 | $2.8M |
| PineStone Asset Management Inc. | 0.02% | No change | 79,100 | $2.8M |
| Royal Bank of Canada | 0.00% | Reduce -17.1% | 75,329 | $2.7M |
| Numerai GP LLC | 0.32% | Add +201.7% | 75,079 | $2.7M |
| Holocene Advisors, LP | 0.01% | Reduce -13.4% | 73,635 | $2.6M |
| Public Employees Retirement System of Ohio | 0.01% | Add +105.5% | 70,990 | $2.5M |
| Engineers Gate Manager LP | 0.03% | Reduce -38.8% | 67,800 | $2.4M |
| Alliancebernstein L.P. | 0.00% | Reduce -42.3% | 65,518 | $2.3M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -31.4% | 64,723 | $2.3M |
| New York State Common Retirement Fund | 0.00% | Reduce -62.0% | 62,805 | $2.2M |
| Panagora Asset Management Inc. | 0.01% | Reduce -43.7% | 59,753 | $2.1M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +209.8% | 56,658 | $2.0M |
| Sora Investors LLC | 0.17% | New | 56,326 | $2.0M |
| Raymond James Financial Inc. | 0.00% | Add +8.7% | 56,144 | $2.0M |
| Prudential Financial Inc. | 0.00% | Add +496.1% | 52,053 | $1.9M |
| California State Teachers Retirement System | 0.00% | Reduce -0.2% | 52,426 | $1.9M |
| Capital Fund Management S.A. | 0.02% | Reduce -23.8% | 50,599 | $1.8M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +11.8% | 49,734 | $1.8M |
| Stifel Financial Corp. | 0.00% | Reduce -26.7% | 49,149 | $1.7M |
| Campbell & CO Investment Adviser LLC | 0.08% | Reduce -3.5% | 48,715 | $1.7M |
| First National Bank of Omaha | 0.05% | Add +0.8% | 46,047 | $1.6M |
| State of Wisconsin Investment Board | 0.00% | Reduce -14.9% | 45,550 | $1.6M |
| SG Americas Securities, LLC | 0.00% | Add +108.7% | 44,351 | $1.6M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +1.7% | 43,816 | $1.6M |
| Arosa Capital Management LP | 0.92% | New | 40,000 | $1.4M |
| Thrivent Financial for Lutherans | 0.00% | Add +195.0% | 38,024 | $1.4M |
| Van Eck Associates Corp. | 0.00% | Reduce -1.1% | 37,102 | $1.3M |
| MetLife Investment Management, LLC | 0.01% | Reduce -46.1% | 32,551 | $1.2M |
| LPL Financial LLC | 0.00% | Add +31.1% | 32,182 | $1.1M |
"% of holder's portfolio" is POWI's weight in each manager's 13F, not the share of Power Integrations Inc. the manager owns.