DaveManuel.com · Institutional Ownership · Who Owns It
POWER INTEGRATIONS INC (POWI)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
377
Reporting holders
$5.3B
Reported value
112.1%
Of shares outstanding
1.1%
Calls
0.4%
Puts
+67
Holder change
Institutions report 62,634,015 shares against 55,873,298 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end. Over 100% because an adviser and a sub-adviser can both report the same shares, and both are counted.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $730.6M | 8,722,053 | 0.01% | 8q | +2.4%+$16.8M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $434.7M | 5,190,284 | 0.02% | 2q | +4.3%+$18.0M |
| WELLINGTON MANAGEMENT GROUP LLP | $301.2M | 3,595,855 | 0.05% | 31q | +7.1%+$20.1M |
| STATE STREET CORP | $267.5M | 3,194,155 | 0.01% | 31q | +3.8%+$9.7M |
| VANGUARD CAPITAL MANAGEMENT LLC | $210.3M | 2,511,196 | 0.00% | 2q | HELD |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $199.5M | 2,382,007 | 0.60% | 2q | HELD |
| NEUBERGER BERMAN GROUP LLC | $169.2M | 2,020,390 | 0.11% | 31q | -48.6%-$160.2M |
| PRICE T ROWE ASSOCIATES INC /MD/ | $161.2M | 1,924,939 | 0.02% | 31q | +37.8%+$44.3M |
| DISCIPLINED GROWTH INVESTORS INC /MN | $158.5M | 1,891,864 | 2.68% | 31q | -3.4%-$5.6M |
| GEODE CAPITAL MANAGEMENT, LLC | $151.0M | 1,803,038 | 0.01% | 31q | +7.7%+$10.7M |
| SNYDER CAPITAL MANAGEMENT L P | $148.0M | 1,766,507 | 2.56% | 31q | -16.0%-$28.3M |
| Robeco Schweiz AG | $112.3M | 1,340,404 | 1.80% | 31q | +54.0%+$39.4M |
| MORGAN STANLEY | $99.9M | 1,192,455 | 0.01% | 35q | -20.6%-$25.9M |
| Capital International Investors | $99.2M | 1,183,746 | 0.02% | 14q | +6.4%+$6.0M |
| DIMENSIONAL FUND ADVISORS LP | $90.9M | 1,085,077 | 0.02% | 31q | +2.6%+$2.3M |
| Nuveen, LLC | $85.4M | 1,020,059 | 0.02% | 6q | -2.7%-$2.4M |
| CONGRESS ASSET MANAGEMENT CO | $77.9M | 930,059 | 0.48% | new | NEW |
| Copeland Capital Management, LLC | $73.9M | 882,810 | 1.52% | 31q | -33.2%-$36.8M |
| Boston Trust Walden Corp | $73.9M | 882,471 | 0.56% | 31q | +52.8%+$25.5M |
| Invesco Ltd. | $72.9M | 870,396 | 0.01% | 31q | +210.1%+$49.4M |
| JPMORGAN CHASE & CO | $69.6M | 879,254 | 0.00% | 31q | -32.0%-$32.8M |
| AMERICAN CENTURY COMPANIES INC | $65.5M | 781,675 | 0.03% | 3q | +2842.2%+$63.2M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $64.3M | 767,672 | 0.02% | new | NEW |
| NORTHERN TRUST CORP | $64.0M | 764,474 | 0.01% | 31q | -9.2%-$6.5M |
| Stephens Investment Management Group LLC | $63.3M | 755,549 | 0.68% | 31q | +1.4%+$869.4K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $63.1M | 753,514 | 0.01% | 31q | -0.6%-$375.2K |
| WESTWOOD HOLDINGS GROUP INC | $59.8M | 714,227 | 0.45% | 3q | -18.2%-$13.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $42.0M | 502,006 | 0.04% | 14q | -21.3%-$11.4M |
| BROWN ADVISORY INC | $40.0M | 477,227 | 0.06% | 18q | -30.5%-$17.6M |
| Bank of New York Mellon Corp | $39.1M | 466,513 | 0.01% | 31q | +2.5%+$958.9K |
| Connor, Clark & Lunn Investment Management Ltd. | $34.3M | 409,271 | 0.06% | 4q | +44.6%+$10.6M |
| VANGUARD FIDUCIARY TRUST CO | $33.6M | 400,845 | 0.01% | 2q | +4.1%+$1.3M |
| BANK OF AMERICA CORP /DE/ | $32.0M | 381,535 | 0.00% | 31q | -36.6%-$18.4M |
| GOLDMAN SACHS GROUP INC | $31.8M | 379,264 | 0.00% | 31q | +13.0%+$3.6M |
| AMERIPRISE FINANCIAL INC | $31.0M | 370,174 | 0.01% | 31q | +295.3%+$23.2M |
| UBS Group AG | $30.1M | 359,770 | 0.00% | 31q | -42.4%-$22.2M |
| ASR Vermogensbeheer N.V. | $29.9M | 356,636 | 0.31% | 6q | +3.4%+$982.6K |
| Tributary Capital Management, LLC | $27.8M | 332,001 | 2.29% | 18q | +2.0%+$550.1K |
| Aperture Investors, LLC | $25.8M | 307,841 | 2.33% | new | NEW |
| ENVESTNET ASSET MANAGEMENT INC | $23.7M | 282,650 | 0.01% | 31q | -3.5%-$869.8K |
| LOOMIS SAYLES & CO L P | $23.5M | 280,087 | 0.03% | 17q | +19.9%+$3.9M |
| Arosa Capital Management LP | $23.0M incl. $12.6M options CALL | 125,000 | 4.11% | new | NEW |
| PRINCIPAL FINANCIAL GROUP INC | $22.8M | 272,404 | 0.01% | 31q | HELD |
| FEDERATED HERMES, INC. | $22.4M | 267,665 | 0.03% | 28q | +1.8%+$395.8K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $22.3M incl. $18.9M options CALL+PUT | 40,515 | 0.00% | 31q | +71.2%+$9.3M |
| EMERALD ADVISERS, LLC | $22.1M | 264,342 | 0.52% | 2q | +127.8%+$12.4M |
| SEI INVESTMENTS CO | $21.6M | 257,799 | 0.02% | 31q | +18.0%+$3.3M |
| NOMURA HOLDINGS INC | $16.8M CALL | options only | 0.02% | 3q | OPTIONS |
| ProShare Advisors LLC | $16.4M | 195,670 | 0.02% | 31q | -31.1%-$7.4M |
| FIRST TRUST ADVISORS LP | $16.1M | 191,764 | 0.01% | 31q | -1.1%-$180.3K |
| Public Sector Pension Investment Board | $16.0M | 191,450 | 0.04% | 3q | -3.6%-$596.5K |
| Granite Investment Partners, LLC | $15.6M | 186,420 | 0.80% | 6q | -42.6%-$11.6M |
| CRAWFORD INVESTMENT COUNSEL INC | $14.8M | 176,147 | 0.25% | 31q | -22.7%-$4.3M |
| EMERALD MUTUAL FUND ADVISERS TRUST | $14.4M | 172,196 | 0.51% | 2q | +180.9%+$9.3M |
| Ceredex Value Advisors LLC | $13.5M | 161,400 | 0.38% | 31q | -38.4%-$8.4M |
| DEUTSCHE BANK AG\ | $12.6M | 150,103 | 0.00% | 34q | -38.4%-$7.8M |
| JANE STREET GROUP, LLC | $12.3M incl. $2.5M options CALL+PUT | 117,524 | 0.00% | 14q | HELD |
| RHUMBLINE ADVISERS | $11.7M | 139,613 | 0.01% | 31q | -12.1%-$1.6M |
| RIVERBRIDGE PARTNERS LLC | $11.6M | 138,538 | 0.32% | 31q | -58.8%-$16.5M |
| PEAK6 LLC | $11.6M CALL | options only | 0.02% | new | OPTIONS |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $11.4M | 136,588 | 0.00% | 31q | +3.7%+$412.9K |
| Legal & General Group Plc | $11.2M | 133,777 | 0.00% | 31q | +2.3%+$257.1K |
| Swiss National Bank | $9.1M | 108,600 | 0.00% | 31q | -0.8%-$75.4K |
| BESSEMER GROUP INC | $8.9M | 105,691 | 0.01% | 28q | -2.4%-$217.5K |
| HERALD INVESTMENT MANAGEMENT Ltd | $8.4M | 100,384 | 1.14% | 29q | -42.6%-$6.2M |
| Russell Investments Group, Ltd. | $8.3M | 99,377 | 0.01% | 31q | -13.5%-$1.3M |
| WELLS FARGO & COMPANY/MN | $7.9M | 94,622 | 0.00% | 31q | +51.6%+$2.7M |
| CITADEL ADVISORS LLC | $7.8M incl. $4.3M options CALL+PUT | 42,674 | 0.00% | 31q | -61.2%-$12.3M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | $7.7M | 91,727 | 0.01% | 6q | +166.4%+$4.8M |
| SIMPLEX TRADING, LLC | $7.6M incl. $5.8M options CALL+PUT | 20,467 | 0.00% | 4q | +6139.9%+$7.4M |
| NEW YORK STATE COMMON RETIREMENT FUND | $7.5M | 89,255 | 0.01% | 31q | +45.9%+$2.4M |
| NICHOLAS COMPANY, INC. | $7.2M | 85,600 | 0.13% | 32q | -22.3%-$2.1M |
| Creative Planning | $6.4M | 76,303 | 0.00% | 16q | +22.7%+$1.2M |
| OSAIC HOLDINGS, INC. | $6.0M | 71,593 | 0.01% | 26q | +4542.9%+$5.9M |
| IMC-Chicago, LLC | $6.0M incl. $4.6M options CALL+PUT | 16,007 | 0.00% | 3q | HELD |
| ROYAL BANK OF CANADA | $5.6M | 67,269 | 0.00% | 31q | -18.6%-$1.3M |
| Allspring Global Investments Holdings, LLC | $5.6M | 69,905 | 0.01% | new | NEW |
| Ariose Capital Management Ltd | $5.6M | 66,578 | 2.38% | new | NEW |
| PRUDENTIAL FINANCIAL INC | $5.3M | 62,688 | 0.01% | 34q | +9.4%+$450.6K |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $5.2M | 62,369 | 0.00% | 31q | -5.0%-$274.1K |
| PALISADE CAPITAL MANAGEMENT, LP | $4.8M | 57,159 | 0.21% | new | NEW |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $4.6M | 54,451 | 0.00% | 31q | -11.9%-$617.1K |
| VANGUARD ASSET MANAGEMENT, Ltd | $4.3M | 51,569 | 0.00% | 2q | +1.5%+$65.3K |
| STIFEL FINANCIAL CORP | $4.3M | 50,845 | 0.00% | 31q | -10.8%-$513.9K |
| XTX Topco Ltd | $3.9M | 46,758 | 0.05% | 3q | +40.6%+$1.1M |
| Madison Asset Management, LLC | $3.8M | 45,678 | 0.05% | 21q | -55.6%-$4.8M |
| CANADA LIFE ASSURANCE Co | $3.8M | 45,362 | 0.01% | 27q | -3.9%-$154.9K |
| AQR CAPITAL MANAGEMENT LLC | $3.7M | 43,596 | 0.00% | 28q | -68.3%-$7.9M |
| ALLIANCEBERNSTEIN L.P. | $3.6M | 70,958 | 0.00% | 31q | +6.1%+$208.2K |
| Cannell & Spears LLC | $3.6M | 43,171 | 0.06% | 3q | -31.7%-$1.7M |
| HARBOR CAPITAL ADVISORS, INC. | $3.6M | 42,682 | 0.24% | 10q | -32.2%-$1.7M |
| CITIGROUP INC | $3.5M | 41,510 | 0.00% | 31q | +166.9%+$2.2M |
| Man Group plc | $3.4M | 40,902 | 0.01% | 2q | +437.5%+$2.8M |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $3.3M | 39,988 | 0.01% | 31q | +145.6%+$2.0M |
| FULLER & THALER ASSET MANAGEMENT, INC. | $3.3M | 39,654 | 0.01% | 31q | +25.2%+$667.5K |
| RAYMOND JAMES FINANCIAL INC | $3.3M | 39,222 | 0.00% | 7q | -34.5%-$1.7M |
| Walleye Trading LLC | $3.1M incl. $1.1M options CALL+PUT | 24,173 | 0.00% | 3q | +318.4%+$2.4M |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY | $3.1M | 37,011 | 0.02% | 30q | HELD |
| Thrivent Financial for Lutherans | $3.1M | 36,589 | 0.01% | 31q | -1.2%-$38.4K |
| VAN ECK ASSOCIATES CORP | $3.0M | 35,988 | 0.00% | 22q | +40.3%+$866.3K |
Showing the largest 100 of 377 reported holders.
What the company announced
Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.
| Filed | Event date | What | Source |
|---|---|---|---|
| 2026-08-14 | 2026-08-11 | Directors or officers departed or appointed | filing |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-28 | BALAKRISHNAN BALU | Director | Sold | 124,287 | $10.7M ×2 |
| 2026-05-26 | BALAKRISHNAN BALU | Director | Sold | 118,573 | $9.7M ×2 |
| 2026-05-21 | BALAKRISHNAN BALU | Director | Sold | 53,880 | $3.8M |
| 2026-05-26 | Gupta Sunil | Sr. Vice President, Operations | Sold | 15,894 | $1.3M |
| 2026-07-22 | Lloyd Jennifer A | President and CEO | Sold | 12,690 | $935.6K ×2 |
| 2026-05-29 | Gupta Sunil | Sr. Vice President, Operations | Sold | 6,860 | $574.0K |
| 2026-05-26 | BRATHWAITE NICHOLAS | Director | Sold | 6,655 | $550.5K |
| 2026-05-13 | BRATHWAITE NICHOLAS | Director | Sold | 6,895 | $499.3K |
| 2026-05-27 | BRATHWAITE NICHOLAS | Director | Sold | 1,728 | $149.7K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 80 | $214.9M | 4,157,861 | 10 | 34 | 16 | 0.0% |
| Q2 2026 | 377 | $5.3B | 62,634,015 | 96 | 112 | 110 | 1.5% |
| Q1 2026 | 310 | $3.3B | 63,476,245 | 48 | 112 | 93 | 0.4% |
| Q4 2025 | 300 | $2.1B | 59,691,200 | 50 | 99 | 105 | 0.8% |
| Q3 2025 | 315 | $2.3B | 57,516,700 | 36 | 106 | 117 | 0.0% |
| Q2 2025 | 343 | $3.2B | 56,592,681 | 41 | 123 | 124 | 0.0% |
| Q1 2025 | 344 | $2.9B | 58,279,152 | 59 | 122 | 101 | 0.0% |
| Q4 2024 | 326 | $3.6B | 57,705,507 | 28 | 111 | 112 | 0.1% |
| Q3 2024 | 334 | $3.9B | 59,993,009 | 29 | 137 | 108 | 0.4% |
| Q2 2024 | 352 | $4.3B | 60,653,008 | 49 | 130 | 109 | 0.3% |
| Q1 2024 | 343 | $4.5B | 62,678,592 | 45 | 126 | 107 | 0.2% |
| Q4 2023 | 343 | $5.1B | 61,908,687 | 24 | 124 | 120 | 0.2% |
| Q3 2023 | 339 | $4.4B | 57,847,710 | 39 | 115 | 122 | 0.2% |
| Q2 2023 | 340 | $5.5B | 58,264,403 | 38 | 112 | 133 | 0.3% |
| Q1 2023 | 332 | $4.9B | 57,808,341 | 37 | 123 | 110 | 0.2% |
| Q4 2022 | 326 | $4.6B | 63,523,754 | 40 | 115 | 110 | 0.2% |
| Q3 2022 | 318 | $23.4B | 364,105,609 | 27 | 100 | 138 | 0.1% |
| Q2 2022 | 327 | $27.9B | 372,441,587 | 30 | 107 | 137 | 0.0% |
| Q1 2022 | 352 | $33.2B | 357,677,547 | 49 | 122 | 111 | 0.0% |
| Q4 2021 | 340 | $8.4B | 90,641,594 | 38 | 138 | 93 | 0.3% |
| Q3 2021 | 328 | $9.7B | 97,560,448 | 56 | 109 | 98 | 0.2% |
| Q2 2021 | 293 | $6.4B | 78,487,135 | 30 | 108 | 90 | 0.1% |
| Q1 2021 | 293 | $6.5B | 80,143,718 | 42 | 69 | 118 | 0.2% |
| Q4 2020 | 289 | $12.5B | 153,035,624 | 34 | 76 | 91 | 0.1% |
| Q3 2020 | 274 | $4.3B | 77,296,260 | 29 | 84 | 103 | 0.3% |
| Q2 2020 | 278 | $4.7B | 39,473,346 | 46 | 95 | 86 | 0.3% |
| Q1 2020 | 276 | $5.1B | 57,127,306 | 52 | 90 | 74 | 0.3% |
| Q4 2019 | 248 | $3.8B | 38,836,160 | 38 | 84 | 59 | 0.4% |
| Q3 2019 | 226 | $3.5B | 38,769,712 | 28 | 71 | 67 | 0.2% |
| Q2 2019 | 211 | $3.1B | 38,716,352 | 24 | 68 | 66 | 0.5% |
| Q1 2019 | 218 | $2.7B | 38,898,686 | 25 | 62 | 72 | 0.3% |
| Q4 2018 | 206 | $2.4B | 39,993,995 | 2 | 3 | 4 | 0.2% |