Power IntegrationsPOWI
13F holders, Q1 2026 (March 31)308holders +9
48new positions
36sold out
2famous investors
$51.10avg. 13F price*
At the end of Q1 2026, 308 institutions reported holding Power Integrations Inc. (POWI) in their 13F filings, up 9 from Q4 2025. 48 opened new positions and 36 sold out. The largest holders were BlackRock, Inc. ($436.3M), Vanguard Portfolio Management LLC ($254.8M) and Neuberger Berman Group LLC ($201.4M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Power Integrations Inc.
- CUSIP
- 739276103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 48 | $206.5M |
| Exits | 36 | $40.0M |
All 13F filers, Q4 2025 → Q1 2026: 8,608,849 shares bought and 5,127,799 shares sold, net +3,481,050 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 308 holders
| BlackRock, Inc. | 0.01% | Add +0.1% | 8,521,749 | $436.3M |
| Vanguard Portfolio Management LLC | 0.01% | — | 4,975,859 | $254.8M |
| Neuberger Berman Group LLC | 0.15% | Reduce -1.0% | 3,933,099 | $201.4M |
| Wellington Management Group LLP | 0.03% | Add +38.5% | 3,356,153 | $171.8M |
| State Street Corp. | 0.01% | Reduce -9.5% | 3,077,843 | $157.6M |
| Vanguard Capital Management LLC | 0.00% | — | 2,506,919 | $128.4M |
| William Blair Investment Management, LLC | 0.40% | New | 2,380,677 | $121.9M |
| Snyder Capital Management L P | 2.09% | Add +1.9% | 2,104,063 | $107.7M |
| Disciplined Growth Investors Inc. | 2.05% | Reduce -2.1% | 1,959,172 | $100.3M |
| Geode Capital Management, LLC | 0.01% | Add +4.4% | 1,674,825 | $85.8M |
| Morgan Stanley | 0.00% | Add +1.5% | 1,501,960 | $76.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +48.0% | 1,396,483 | $71.5M |
| Copeland Capital Management, LLC | 1.50% | Add +12.6% | 1,321,789 | $67.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -22.1% | 1,293,375 | $61.9M |
| Capital International Investors | 0.01% | Reduce -12.0% | 1,112,390 | $57.0M |
| Dimensional Fund Advisors LP | 0.01% | Add +7.3% | 1,057,155 | $54.1M |
| Nuveen, LLC | 0.01% | Add +686.6% | 1,048,153 | $53.7M |
| Hudson Bay Capital Management LP | 0.34% | New | 1,000,000 | $51.2M |
| Westwood Holdings Group Inc. | 0.33% | Reduce -15.8% | 873,035 | $44.7M |
| Robeco Schweiz AG | 0.94% | Add +38.7% | 870,170 | $44.6M |
| Northern Trust Corp. | 0.01% | Add +2.0% | 841,551 | $43.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +5.5% | 757,993 | $38.8M |
| Stephens Investment Management Group LLC | 0.52% | Reduce -0.4% | 745,169 | $38.2M |
| Brown Advisory Inc. | 0.06% | Reduce -8.3% | 686,834 | $35.2M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.04% | Add +6.8% | 638,210 | $32.7M |
| UBS Group AG | 0.01% | Add +126.2% | 624,509 | $32.0M |
| Bank of America Corp. | 0.00% | Add +1.1% | 601,468 | $30.8M |
| Boston Trust Walden Corp | 0.24% | Reduce -10.7% | 577,605 | $29.6M |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.7% | 455,065 | $23.3M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 385,209 | $19.7M |
| Marshall Wace, LLP | 0.02% | Reduce -27.1% | 360,161 | $18.4M |
| ASR Vermogensbeheer N.V. | 0.21% | Add +1.2% | 344,904 | $17.7M |
| Riverbridge Partners LLC | 0.42% | Reduce -6.0% | 336,068 | $17.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -23.8% | 335,747 | $17.2M |
| Tributary Capital Management, LLC | 1.62% | Add +7.3% | 325,433 | $16.7M |
| Nomura Holdings Inc. | 0.14% | Reduce -50.3% | 325,257 | $16.7M |
| Granite Investment Partners, LLC | 1.02% | Reduce -8.5% | 324,926 | $16.6M |
| Envestnet Asset Management Inc. | 0.00% | Add +48.0% | 293,034 | $15.0M |
| ProShare Advisors LLC | 0.02% | Reduce -14.8% | 284,013 | $14.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | Add +87.3% | 282,943 | $14.5M |
| Invesco Ltd. | 0.00% | Add +15.6% | 280,686 | $14.4M |
| Principal Financial Group Inc. | 0.01% | Add +2.5% | 271,385 | $13.9M |
| Federated Hermes, Inc. | 0.02% | Reduce -13.7% | 262,939 | $13.5M |
| Ceredex Value Advisors LLC | 0.42% | Reduce -42.2% | 262,050 | $13.4M |
| Deutsche Bank AG | 0.00% | Add +46.0% | 243,564 | $12.5M |
| Loomis Sayles & Co. L P | 0.02% | Reduce -2.5% | 233,564 | $12.0M |
| Crawford Investment Counsel Inc. | 0.20% | Add +3.2% | 227,939 | $11.7M |
| Foresight Group Ltd Liability Partnership | 1.98% | Reduce -0.0% | 219,475 | $11.2M |
| Sei Investments Co. | 0.01% | Add +36.2% | 218,429 | $11.2M |
| Silvercrest Asset Management Group LLC | 0.08% | Reduce -10.0% | 206,508 | $10.6M |
| Public Sector Pension Investment Board | 0.03% | Add +3.7% | 198,572 | $10.2M |
| First Trust Advisors LP | 0.01% | Reduce -14.8% | 193,917 | $9.9M |
| HERALD INVESTMENT MANAGEMENT Ltd | 1.25% | Add +16.7% | 175,000 | $9.0M |
| Rhumbline Advisers | 0.01% | Reduce -24.5% | 158,779 | $8.1M |
| Handelsbanken Fonder AB | 0.03% | Add +566.8% | 148,033 | $7.6M |
| WCM Investment Management, LLC | 0.02% | New | 156,928 | $7.5M |
| S Squared Technology, LLC | 2.65% | Add +5.3% | 136,900 | $7.0M |
| AQR Capital Management | 0.00% | Reduce -51.7% | 137,375 | $6.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +10.4% | 131,658 | $6.7M |
| Legal & General Group Plc | 0.00% | Reduce -10.4% | 130,707 | $6.7M |
| Sora Investors LLC | 0.57% | Add +113.0% | 120,000 | $6.1M |
| Emerald Advisers, LLC | 0.19% | New | 116,044 | $5.9M |
| Russell Investments Group, Ltd. | 0.01% | Add +43.4% | 114,876 | $5.9M |
| Nicholas Company, Inc. | 0.11% | Reduce -0.4% | 110,180 | $5.6M |
| Citadel Advisors | 0.00% | Add +1148.5% | 109,941 | $5.6M |
| Swiss National Bank | 0.00% | Reduce -1.0% | 109,500 | $5.6M |
| Bessemer Group Inc. | 0.01% | Add +1.2% | 108,288 | $5.5M |
| Madison Asset Management, LLC | 0.07% | Reduce -0.9% | 102,882 | $5.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.5% | 93,632 | $4.8M |
| Holocene Advisors, LP | 0.01% | Add +19.4% | 87,931 | $4.5M |
| Royal Bank of Canada | 0.00% | Add +9.7% | 82,597 | $4.2M |
| Public Employees Retirement System of Ohio | 0.01% | Add +0.1% | 71,100 | $3.6M |
| California State Teachers Retirement System | 0.00% | Add +25.2% | 65,641 | $3.4M |
| Cannell & Spears LLC | 0.06% | Add +98.7% | 63,226 | $3.2M |
| Harbor Capital Advisors, Inc. | 0.26% | Add +461.9% | 62,921 | $3.2M |
| Wells Fargo & Company | 0.00% | Reduce -33.3% | 62,397 | $3.2M |
| Creative Planning | 0.00% | Add +122.1% | 62,196 | $3.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -4.5% | 61,827 | $3.2M |
| Emerald Mutual Fund Advisers Trust | 0.15% | New | 61,294 | $3.1M |
| New York State Common Retirement Fund | 0.00% | Reduce -2.6% | 61,158 | $3.1M |
| Raymond James Financial Inc. | 0.00% | Add +6.6% | 59,859 | $3.1M |
| Connors Investor Services Inc. | 0.28% | New | 59,040 | $3.0M |
| Prudential Financial Inc. | 0.00% | Add +10.1% | 57,308 | $2.9M |
| Stifel Financial Corp. | 0.00% | Add +15.9% | 56,980 | $2.9M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 50,789 | $2.6M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -5.1% | 47,213 | $2.4M |
| First National Bank of Omaha | 0.07% | Add +1.8% | 46,867 | $2.4M |
| Alliancebernstein L.P. | 0.00% | Add +2.1% | 66,892 | $2.4M |
| Neo Ivy Capital Management | 0.56% | New | 41,137 | $2.1M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.6% | 37,048 | $1.9M |
| Teachers Retirement System of the State of Kentucky | 0.01% | Add +180.9% | 37,011 | $1.9M |
| LPL Financial LLC | 0.00% | Add +10.7% | 35,636 | $1.8M |
| Scalar Gauge Management, LLC | 1.73% | New | 35,000 | $1.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -21.4% | 34,431 | $1.8M |
| XTX Topco Ltd | 0.03% | Add +144.5% | 33,245 | $1.7M |
| Fuller & Thaler Asset Management, Inc. | 0.01% | Add +20.2% | 31,685 | $1.6M |
| Natixis Advisors, LLC | 0.00% | Add +76.6% | 30,946 | $1.6M |
| MetLife Investment Management, LLC | 0.01% | Reduce -7.0% | 30,279 | $1.6M |
| State of Alaska, Department of Revenue | 0.02% | Reduce -2.3% | 30,210 | $1.5M |
| Jones Financial Companies LLLP | 0.00% | Add +2025.2% | 30,284 | $1.5M |
"% of holder's portfolio" is POWI's weight in each manager's 13F, not the share of Power Integrations Inc. the manager owns.