13F

Stock

Power Integrations Inc

POWI · held by 306 managers

Reported value

$3.14B

Holders

306

+48 new · −40 exited

Holders’ est. mark

$728M

Price effect on 204 books still in the name

Largest holder

$436.3M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.8.52M$436.3M$133.3MAdded$133.8M
VANGUARD PORTFOLIO MANAGEMENT LLC4.98M$254.8MHeld
NEUBERGER BERMAN GROUP LLC3.93M$201.4M$61.6MAdded$60.2M
WELLINGTON MANAGEMENT GROUP LLP3.36M$171.8M$38MAdded$85.7M
State Street3.08M$157.6M$48.2MAdded$36.7M
VANGUARD CAPITAL MANAGEMENT LLC2.51M$128.4MHeld
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC2.38M$121.9MNew
SNYDER CAPITAL MANAGEMENT L P2.1M$107.7M$32.3MAdded$34.3M
DISCIPLINED GROWTH INVESTORS INC /MN1.96M$100.3M$30.7MAdded$29.2M
GEODE CAPITAL MANAGEMENT, LLC1.67M$85.8M$25.1MAdded$28.8M
MORGAN STANLEY1.5M$76.9M$23.2MAdded$24.3M
Copeland Capital Management, LLC1.32M$67.7M$18.4MAdded$26M
JPMORGAN CHASE & CO1.29M$61.9M$16MAdded$2.94M
Capital International Investors1.11M$57M$17.4MAdded$12M
DIMENSIONAL FUND ADVISORS LP1.06M$54.1M$15.4MAdded$19.1M
Nuveen, LLC1.05M$53.7M$2.09MAdded$48.9M
Hudson Bay Capital Management LP1M$51.2MNew
WESTWOOD HOLDINGS GROUP INC873K$44.7M$13.7MAdded$7.83M
Robeco Schweiz AG870.2K$44.6M$9.83MAdded$22.3M
NORTHERN TRUST CORP841.6K$43.1M$12.9MAdded$13.8M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC758K$38.8M$11.3MAdded$13.3M
Stephens Investment Management Group LLC745.2K$38.2M$11.7MAdded$11.6M
BROWN ADVISORY INC686.8K$35.2M$10.8MAdded$8.54M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.638.2K$32.7M$30.6MAdded$32.7M
UBS Group AG624.5K$32M$4.32MAdded$22.2M
BANK OF AMERICA CORP /DE/601.5K$30.8M$9.32MAdded$9.65M
Boston Trust Walden Corp577.6K$29.6M$9.05MAdded$6.59M
Bank of New York Mellon Corp455.1K$23.3M$7.13MAdded$6.33M
VANGUARD FIDUCIARY TRUST CO385.2K$19.7MHeld
MARSHALL WACE, LLP360.2K$18.4M$5.64MAdded$893.9K
ASR Vermogensbeheer N.V.344.9K$17.7M$5.34MAdded$5.55M
RIVERBRIDGE PARTNERS LLC336.1K$17.2M$5.26MAdded$4.5M
GOLDMAN SACHS GROUP INC335.7K$17.2M$5.26MAdded$1.53M
Tributary Capital Management, LLC325.4K$16.7M$4.75MAdded$5.89M
NOMURA HOLDINGS INC325.3K$16.7M$5.09MCut−$6.59M
Granite Investment Partners, LLC324.9K$16.6M$5.09MAdded$4.02M
ENVESTNET ASSET MANAGEMENT INC293K$15M$3.1MAdded$7.97M
ProShare Advisors LLC284K$14.5M$4.45MAdded$2.69M
Connor, Clark & Lunn Investment Management Ltd.282.9K$14.5M$2.37MAdded$9.12M
Invesco Ltd.280.7K$14.4M$3.8MAdded$5.74M
PRINCIPAL FINANCIAL GROUP INC271.4K$13.9M$4.14MAdded$4.49M
FEDERATED HERMES, INC.262.9K$13.5M$4.12MAdded$2.64M
Ceredex Value Advisors LLC262.1K$13.4M$4.1MCut−$2.71M
DEUTSCHE BANK AG\243.6K$12.5M$2.61MAdded$6.54M
LOOMIS SAYLES & CO L P233.6K$12M$3.66MAdded$3.44M
CRAWFORD INVESTMENT COUNSEL INC227.9K$11.7M$3.46MAdded$3.82M
Foresight Group Ltd Liability Partnership219.5K$11.2M$3.36MAdded$3.35M
SEI INVESTMENTS CO218.4K$11.2M$2.51MAdded$5.48M
SILVERCREST ASSET MANAGEMENT GROUP LLC206.5K$10.6M$3.23MAdded$2.42M
PUBLIC SECTOR PENSION INVESTMENT BOARD198.6K$10.2M$3MAdded$3.36M
FIRST TRUST ADVISORS LP193.9K$9.93M$3.04MAdded$1.83M
HERALD INVESTMENT MANAGEMENT Ltd175K$8.96M$2.35MAdded$3.63M
RHUMBLINE ADVISERS158.8K$8.13M$2.49MAdded$658.3K
WCM INVESTMENT MANAGEMENT, LLC156.9K$7.51MNew
S Squared Technology, LLC136.9K$7.01M$2.04MAdded$2.39M
Icahn Capital137.4K$6.75M$1.86MCut−$3.36M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC131.7K$6.74M$1.87MAdded$2.5M
Legal & General Group Plc130.7K$6.69M$2.05MAdded$1.51M
SORA INVESTORS LLC120K$6.14M$882.1KAdded$4.14M
EMERALD ADVISERS, LLC116K$5.94MNew
Russell Investments Group, Ltd.114.9K$5.88M$1.25MAdded$3.03M
NICHOLAS COMPANY, INC.110.2K$5.64M$1.73MAdded$1.71M
Citadel109.9K$5.63M$137.9KAdded$5.32M
Swiss National Bank109.5K$5.61M$1.71MAdded$1.68M
Madison Asset Management, LLC102.9K$5.27M$1.61MAdded$1.58M
AMERIPRISE FINANCIAL INC93.6K$4.79M$1.46MAdded$1.34M
Holocene Advisors, LP87.9K$4.5M$1.15MAdded$1.89M
ROYAL BANK OF CANADA82.6K$4.23M$1.18MAdded$1.55M
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO71.1K$3.64M$1.11MAdded$1.12M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM65.6K$3.36M$821KAdded$1.5M
Cannell & Spears LLC63.2K$3.24M$498.4KAdded$2.11M
WELLS FARGO & COMPANY/MN62.4K$3.19M$977.1KCut−$128.7K
Creative Planning62.2K$3.18M$438.5KAdded$2.19M
MANUFACTURERS LIFE INSURANCE COMPANY, THE61.8K$3.16M$960.4KAdded$857.4K
EMERALD MUTUAL FUND ADVISERS TRUST61.3K$3.14MNew
NEW YORK STATE COMMON RETIREMENT FUND61.2K$3.13M$957.7KAdded$899.2K
RAYMOND JAMES FINANCIAL INC59.9K$3.06M$879.3KAdded$1.07M
CONNORS INVESTOR SERVICES INC59K$3.02MNew
PRUDENTIAL FINANCIAL INC57.3K$2.93M$791.7KAdded$1.06M
STIFEL FINANCIAL CORP57K$2.92M$769.7KAdded$1.17M
VANGUARD ASSET MANAGEMENT, Ltd50.8K$2.6MHeld
FIRST NATIONAL BANK OF OMAHA46.9K$2.4M$721.1KAdded$763.1K
ALLIANCEBERNSTEIN L.P.66.9K$2.38M$0Added$48.8K
Neo Ivy Capital Management41.1K$2.11MNew
LPL Financial LLC35.6K$1.82M$504KAdded$680.8K
SCALAR GAUGE MANAGEMENT, LLC35K$1.79MNew
Universal- Beteiligungs- und Servicegesellschaft mbH34.4K$1.76M$539.2KAdded$205.6K
XTX Topco Ltd33.2K$1.7M$212.9KAdded$1.22M
FULLER & THALER ASSET MANAGEMENT, INC.31.7K$1.62M$412.9KAdded$685.4K
MetLife Investment Management, LLC30.3K$1.55M$474.2KAdded$393.4K
JONES FINANCIAL COMPANIES LLLP30.3K$1.5M$19.9KAdded$1.45M
Illinois Municipal Retirement Fund28.7K$1.47MNew
AMERICAN CENTURY COMPANIES INC26.6K$1.36M$108.4KAdded$1.11M
FIFTH THIRD BANCORP26.1K$1.34M$123.1KAdded$1.06M
JANUS HENDERSON GROUP PLC26.1K$1.34M$409.2KAdded$409.2K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.25.9K$1.33M$405.4KAdded$402.8K
NEEDHAM INVESTMENT MANAGEMENT LLC25.4K$1.3M$397.8KAdded$397.8K
Louisiana State Employees Retirement System24.6K$1.26M$385.2KAdded$360.4K
SUSQUEHANNA INTERNATIONAL GROUP, LLP23.7K$1.21M$370.6KCut−$2.22M
STATE OF WISCONSIN INVESTMENT BOARD23.5K$1.2M$367.7KCut−$416.5K
Calamos Advisors LLC23.1K$1.18MNew
Vanguard Global Advisers, LLC22.9K$1.17MHeld
VICTORY CAPITAL MANAGEMENT INC22.8K$1.17M$333.2KAdded$411.8K
TWO SIGMA INVESTMENTS, LP22.8K$1.17M$103.4KAdded$932.7K
CAPTRUST FINANCIAL ADVISORS22.3K$1.14M$320.8KAdded$413.2K
AZZAD ASSET MANAGEMENT INC /ADV20.8K$1.06M$325.5KAdded$254.3K
Retirement Systems of Alabama19.7K$1.01M$308.5KAdded$308.5K
Pathstone Holdings, LLC19.2K$984.4K$195.4KAdded$541K
Zurcher Kantonalbank (Zurich Cantonalbank)18.3K$936.3K$286.4KCut−$1.08M
State of Tennessee, Department of Treasury17.3K$886.4K$65.2KAdded$316.8K
WINTON GROUP Ltd16.9K$866.5K$265KAdded$146.3K
EntryPoint Capital, LLC16.5K$842.4KNew
M&T Bank Corp16.3K$834.3K$255.2KCut−$89.9K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM16.3K$833.5K$254.9KAdded$254.9K
BNP PARIBAS FINANCIAL MARKETS16.1K$826K$252.6KAdded$228.4K
Old West Investment Management, LLC16K$818.8K$140.7KAdded$499.5K
GUGGENHEIM CAPITAL LLC16K$817.3K$250KAdded$230K
Cetera Investment Advisers15.8K$811.2K$203.1KAdded$350.1K
CITIGROUP INC15.6K$796.4K$243.6KCut−$3.59M
ARIZONA STATE RETIREMENT SYSTEM15.2K$778.2K$238KAdded$224.7K
Police & Firemen's Retirement System of New Jersey14.9K$760.4K$232.6KAdded$232.6K
YOUSIF CAPITAL MANAGEMENT, LLC14.8K$757.2K$122.8KAdded$113.5K
Vanguard Investments Australia, Ltd.14.7K$751.7KHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS13.7K$702.8K$214.5KAdded$215.9K
Quantinno Capital Management LP13.6K$698.7K$176.1KAdded$299K
BARCLAYS PLC13.6K$694.2K$212.3KCut−$4.48M
EVERGREEN CAPITAL MANAGEMENT LLC12.8K$656.8K$200.9KAdded$200.9K
OREGON PUBLIC EMPLOYEES RETIREMENT FUND12.7K$650.2K$198.9KAdded$198.9K
Savvy Advisors, Inc.12.6K$646.5K$196.6KAdded$200.3K
Exit Wealth Advisors, LLC.12.6K$645.9K$189.1KAdded$216.8K
ICON ADVISERS INC/CO12.2K$624.6K$191.1KAdded$191.1K
TRUST POINT INC.12.1K$618.5K$178.1KAdded$214.4K
KLP KAPITALFORVALTNING AS12K$614.4K$187.9KAdded$187.9K
INTECH INVESTMENT MANAGEMENT LLC11.8K$602.3K$184.2KCut−$119K
Sterling Capital Management LLC11.5K$590.4K$180.6KCut−$150.5K
Amundi11.5K$588K$163.4KAdded$217.2K
Advisors Asset Management, Inc.11.1K$568.2K$171KAdded$180.1K
Fidelity11K$565.2K$114.8KAdded$304.6K
NISA INVESTMENT ADVISORS, LLC11K$562.4K$163.9KAdded$190.4K
Tidal Investments LLC10.7K$546.6K$160.3KAdded$182.9K
Inspire Investing, LLC10.1K$518K$158.4KAdded$51.1K
Lepercq De Neuflize Asset Management LLC10K$512KNew
QUADRANT CAPITAL GROUP LLC9.69K$496.3K$148.9KAdded$158.5K
Vanguard Personalized Indexing Management, LLC9.57K$489.9K$114.3KAdded$230.4K
VOYA INVESTMENT MANAGEMENT LLC9.52K$487.5K$149.1KAdded$135.6K
Van Diest Capital, LLC9.29K$475.6KNew
Penbrook Management LLC9.2K$471K$144.1KAdded$144.1K
First National Advisers, LLC9.01K$461.5K$140.1KAdded$143.5K
VOLORIDGE INVESTMENT MANAGEMENT, LLC8.99K$460.2K$140.8KCut−$15.2M
NorthCrest Asset Manangement, LLC8.71K$455.9K$127.3KAdded$128.1K
Pictet Asset Management Holding SA8.73K$447.2K$136.8KAdded$92.8K
Vident Advisory, LLC8.52K$436.3K$133.5KAdded$20.6K
PineStone Asset Management Inc.8.5K$435.2K$133.1KCut−$2.38M
TRUIST FINANCIAL CORP8.49K$434.5K$130.5KAdded$138.3K
HighTower Advisors, LLC8.3K$425K$100.4KAdded$197.2K
Maryland State Retirement & Pension System8.14K$416.6K$127.4KAdded$127.4K
Brooklyn Investment Group7.83K$401.1K$116.9KAdded$126.7K
FRANKLIN RESOURCES INC7.72K$395.1KNew
Tactive Advisors, LLC7.68K$393.2KNew
Man Group plc7.61K$389.6KNew
Odyssean, LLC7.58K$388.1K$103.7KAdded$152.7K
Cerity Partners LLC7.56K$386.9KNew
Snowden Capital Advisors LLC7.02K$359.5K$109.9KAdded$102.6K
STEPHENS INC /AR/6.8K$348.2K$106.5KAdded$93.7K
BANK OF MONTREAL /CAN/6.47K$331.2K$101.3KAdded$83.7K
Laird Norton Wetherby Trust Company, LLC6.44K$329.9K$100.9KAdded$100K
OPPENHEIMER ASSET MANAGEMENT INC.6.43K$329.3K$100.7KAdded$98.5K
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC6.35K$325.2K$99KAdded$100.4K
Argos Wealth Advisors, LLC6.25K$320.2K$97.9KAdded$97.9K
Empowered Funds, LLC6.18K$316.4KNew
Sanctuary Advisors, LLC5.8K$296.9K$90.8KAdded$66.2K
Walleye Trading LLC5.78K$295.8K$90.5KAdded$57.4K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC14.2K$289.6K−$146.8KAdded$6.33K
PERSONAL CFO SOLUTIONS, LLC5.53K$283KNew
CIBC Asset Management Inc5.31K$272KNew
XPONANCE LLC5.27K$269.9KNew
MML INVESTORS SERVICES, LLC4.97K$254.5KNew
Merit Financial Group, LLC4.93K$252.2KNew
HSBC HOLDINGS PLC4.88K$250.1K$76.5KAdded$38.2K
CIM INVESTMENT MANAGEMENT INC4.81K$246.3KNew
O'SHAUGHNESSY ASSET MANAGEMENT, LLC4.72K$241.7KNew
US BANCORP \DE\4.7K$240.8K$73.6KAdded$58K
PNC Financial Services Group, Inc.4.53K$231.9K$50KAdded$118.5K
Three Seasons Wealth, LLC4.52K$231.6KNew
Ameritas Investment Partners, Inc.4.52K$231.4K$70.8KAdded$62.9K
Vest Financial, LLC4.25K$217.5KNew
DNB Asset Management AS4.13K$211.3KNew
Tower Research Capital LLC (TRC)4.07K$208.3K$7.28KAdded$191.8K
Aster Capital Management (DIFC) Ltd4.07K$205.7KNew
&PARTNERS4K$204.8KNew
Grandeur Peak Global Advisors, LLC3.78K$193.6K$59.2KCut−$10.7M
Guinness Atkinson Asset Management Inc3.23K$165.3K$49.4KAdded$49.4K
Ensign Peak Advisors, Inc2.7K$138.3K$42.3KAdded$42.3K
1620 INVESTMENT ADVISORS, INC.2.66K$136K$41.6KAdded$40.4K
Freestone Grove Partners LP2.34K$119.9KNew
HUNTINGTON NATIONAL BANK2.14K$109.8K$33.6KAdded$27K
SITTNER & NELSON, LLC1.88K$96.2KNew
CWM, LLC1.71K$87.8K$51.4KAdded$87.7K
OSAIC HOLDINGS, INC.1.54K$79K$21.7KAdded$29.5K
GAMMA Investing LLC1.45K$74.3K$7.16KAdded$58K
PRICE T ROWE ASSOCIATES INC /MD/1.4M$71.5K$14.8KAdded$38K
Global X Japan Co., Ltd.1.25K$64.2K$19.6KCut−$6.86K
Eurizon Capital SGR S.p.A.1.32K$63.7K$16.1KAdded$16.1K
Bayforest Capital Ltd960$49.2KNew
EverSource Wealth Advisors, LLC814$41.7K$5.65KAdded$28.8K
Smartleaf Asset Management LLC776$37.2K$8.85KAdded$10.4K
UMB Bank, n.a.662$33.9K$10.4KCut−$4.28K
Parallel Advisors, LLC628$32.2K$9.71KAdded$10.1K
Arax Advisory Partners612$31.4K$8.84KAdded$11.3K
Salomon & Ludwin, LLC555$29.1K$3.93KAdded$19K
Pinnacle Wealth Planning Services, Inc.558$28.6K$4.35KAdded$18.7K
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO557$28.5K$8.16KAdded$10K
Allworth Financial LP536$27.4K$7.02KAdded$11.5K
Advisory Services Network, LLC501$25.6KNew
Rockefeller Capital Management L.P.478$24.5K$7.47KAdded$5.73K
Cornerstone Planning Group LLC317$24.4K$9.56KAdded$9.19K
MATHER GROUP, LLC.466$23.9KNew
Kemnay Advisory Services Inc.449$23KNew
SUMMIT SECURITIES GROUP LLC418$21.4K$548Added$20.2K
PRIVATE TRUST CO NA370$18.9K$4.81KAdded$8.03K
SIMPLEX TRADING, LLC328$16.8K$5.14KCut−$225.3K
BARROW HANLEY MEWHINNEY & STRAUSS LLC295$15.1K$4.4KAdded$5.12K
LOS ANGELES CAPITAL MANAGEMENT LLC280$14.3K$2.89KAdded$2.89K
SIGNATUREFD, LLC270$13.8K$1.32KAdded$10.8K
Larson Financial Group LLC245$12.5K$3.84KCut−$1.03K
Farther Finance Advisors, LLC206$10.8K$2.93KAdded$4.6K
Optiver Holding B.V.194$9.93KNew
Park Place Capital Corp192$9.83K$3.01KAdded$3.01K
Signature Equity Partners, LLC187$9.57K$2.08KAdded$4.85K
Blue Trust, Inc.185$9.47KNew
Transamerica Financial Advisors, LLC177$9.06K$2.68KAdded$2.98K
Steigerwald, Gordon & Koch Inc.160$8.19K$2.51KAdded$2.51K
Handelsbanken Fonder AB148K$7.58K$348Added$6.79K
Versant Capital Management, Inc144$7.37K$689Added$5.81K
ROTHSCHILD INVESTMENT LLC144$7.37K$1.55KAdded$3.85K
Asset Planning,Inc126$6.46K$2KAdded$2K
MAI Capital Management125$6.4K$1.25KAdded$3.56K
MassMutual Private Wealth & Trust, FSB116$5.94K$1.53KAdded$2.46K
AdvisorNet Financial, Inc116$5.94K$1.82KAdded$1.82K
Crewe Advisors LLC112$5.74K$1.75KAdded$1.75K
True Wealth Design, LLC111$5.68K$1.74KAdded$1.74K
BESSEMER GROUP INC108.3K$5.54K$1.67KAdded$1.74K
Arlington Trust Co LLC107$5.48KNew
Parkside Financial Bank & Trust99$5.07K$1.55KAdded$696
Bell Investment Advisors, Inc92$4.71KNew
Root Financial Partners, LLC91$4.66K$548Added$3.42K
Boreal Capital Management LLC80$4.1K$1.25KAdded$1.25K
ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/75$3.84K$517Added$2.67K
GROUP ONE TRADING LLC69$3.53K$1.08KCut−$169.3K
TD PRIVATE CLIENT WEALTH LLC66$3.38K$1.03KAdded$1.03K

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.