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Disclosery

POWI POWER INTEGRATIONS INC

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Stock (common), issuer CIK 833640

299 managers (309 13F filers) reported a position in POWI shares at 2026-03-31, 63,476,252 shares in all. 48 filers opened a position and 38 filers sold out during the quarter.

Managers
299
13F filers
309
New
48
Added
118
Reduced
97
Sold out
38
Shares held by filers
63,476,252

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…3,602$184K<0.01%-251,91913F-HRTimeline
Guinness Atkinson Asset Management Inc3,228$165K0.08%013F-HRTimeline
Ensign Peak Advisors, Inc2,702$138K<0.01%013F-HR/ATimeline
1620 INVESTMENT ADVISORS, INC.2,657$136K0.09%-3513F-HRTimeline
Freestone Grove Partners LP2,342$120K<0.01%new13F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK2,144$110K<0.01%-18413F-HRTimelineGroup
KBC Group NVin group KBC Group NV1,971$101K<0.01%013F-HRTimelineGroup
SITTNER & NELSON, LLC1,878$96.2K0.04%new13F-HRTimeline
Bollard Group LLC1,709$88K<0.01%-53313F-HRTimeline
CWM, LLCin group CWM, LLC1,714$87.8K<0.01%+71013F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.1,542$79K<0.01%+15213F-HRTimelineGroup
GAMMA Investing LLC1,451$74.3K<0.01%+99413F-HRTimeline
Global X Japan Co., Ltd.1,253$64.2K<0.01%-74513F-HRTimeline
Eurizon Capital SGR S.p.A.1,323$63.7K<0.01%013F-HRTimeline
Bayforest Capital Ltd960$49.2K0.06%new13F-HRTimeline
Covestor Ltd897$46K0.03%-1,16713F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…814$41.7K<0.01%+45313F-HR/ATimelineGroup
Smartleaf Asset Management LLC776$37.2K<0.01%+3213F-HRTimeline
UMB Bank, n.a.662$33.9K<0.01%-41213F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Parallel Advisors, LLC628$32.2K<0.01%+813F-HR/ATimeline
Arax Advisory Partners612$31.4K<0.01%+4913F-HRTimeline
Salomon & Ludwin, LLC555$29.1K<0.01%+28713F-HRTimeline
Pinnacle Wealth Planning Services, Inc.558$28.6K<0.01%+28013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…557$28.5K<0.01%+3613F-HRTimelineGroup
Allworth Financial LP536$27.4K<0.01%+8813F-HRTimeline
Basecamp Wealth Advisors LLC516$26.4K0.01%-3013F-HRTimeline
Advisory Services Network, LLC501$25.6K<0.01%new13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…478$24.5K<0.01%-4913F-HRTimelineGroup
Cornerstone Planning Group LLC317$24.4K<0.01%-813F-HRTimeline
MATHER GROUP, LLC.466$23.9K<0.01%new13F-HRTimeline
Kemnay Advisory Services Inc.449$23K<0.01%new13F-HRTimeline
SUMMIT SECURITIES GROUP LLC418$21.4K0.01%+38313F-HRTimeline
Centerpoint Advisors, LLC412$21K0.01%013F-HRTimeline
PRIVATE TRUST CO NA370$18.9K<0.01%+6313F-HRTimeline
SIMPLEX TRADING, LLC328$16.8K<0.01%-6,48413F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC295$15.1K<0.01%+1413F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC280$14.3K<0.01%013F-HRTimeline
SIGNATUREFD, LLC270$13.8K<0.01%+18613F-HRTimeline
Larson Financial Group LLC245$12.5K<0.01%-13713F-HRTimeline
Farther Finance Advisors, LLC206$10.8K<0.01%+3213F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.194$9.93K<0.01%new13F-HR/ATimelineGroup
Park Place Capital Corp192$9.83K<0.01%013F-HRTimeline
Signature Equity Partners, LLC187$9.57K0.01%+5413F-HRTimeline
Blue Trust, Inc.185$9.47K<0.01%new13F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…177$9.06K<0.01%+613F-HRTimelineGroup
Steigerwald, Gordon & Koch Inc.160$8.19K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC144$7.37K<0.01%+4513F-HRTimeline
Versant Capital Management, Inc144$7.37K<0.01%+10013F-HRTimeline
Asset Planning,Inc126$6.46K<0.01%013F-HRTimeline
MAI Capital Management125$6.4K<0.01%+4513F-HRTimeline
MassMutual Private Wealth & Trust, FSB116$5.94K<0.01%+1813F-HRTimeline
AdvisorNet Financial, Inc116$5.94K<0.01%013F-HRTimeline
Crewe Advisors LLC112$5.74K<0.01%013F-HRTimeline
True Wealth Design, LLC111$5.68K<0.01%013F-HRTimeline
Arlington Trust Co LLCin group Arlington Trust Co LLC107$5.48K<0.01%new13F-HRTimelineGroup
Parkside Financial Bank & Trust99$5.07K<0.01%-2413F-HRTimeline
NewEdge Advisors, LLC96$4.92K<0.01%013F-HR/ATimeline
Bell Investment Advisors, Inc92$4.71K<0.01%new13F-HRTimeline
Root Financial Partners, LLC91$4.66K<0.01%+5613F-HRTimeline
Boreal Capital Management LLC80$4.1K<0.01%013F-HRTimeline
Smithfield Trust Co70$4K<0.01%013F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…75$3.84K<0.01%+4213F-HRTimeline
GROUP ONE TRADING LLC69$3.53K<0.01%-4,79513F-HRTimeline
TD PRIVATE CLIENT WEALTH LLC66$3.38K<0.01%013F-HRTimeline
MJT & Associates Financial Advisory Gro…65$3.33K<0.01%013F-HRTimeline
Keating Financial Advisory Services, In…59$3.02K<0.01%+3713F-HRTimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…55$2.9K<0.01%-10113F-HRTimeline
Horizon Investments, LLC54$2.77K<0.01%new13F-HRTimeline
CBIZ Investment Advisory Services, LLC53$2.71K<0.01%-49213F-HRTimeline
SBI Securities Co., Ltd.53$2.71K<0.01%-113F-HRTimeline
Quent Capital, LLC48$2.46K<0.01%+313F-HRTimeline
Leonteq Securities AG45$2.3K<0.01%-3,30013F-HRTimeline
Bare Financial Services, Inc45$2.3K<0.01%+3213F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…44$2.25K<0.01%013F-HRTimelineGroup
Whipplewood Advisors, LLC43$2.2K<0.01%new13F-HRTimeline
WPG Advisers, LLC41$2.1K<0.01%+1013F-HRTimeline
Richardson Capital Management LLC36$1.84K<0.01%new13F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/36$1.84K<0.01%+3313F-HRTimelineGroup
IFP Advisors, Inc32$1.64K<0.01%-1,79013F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC25$1.28K<0.01%013F-HRTimelineGroup
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…24$1.23K<0.01%-2413F-HRTimelineGroup
MidFirst Bank21$1.07K<0.01%013F-HRTimeline
Avion Wealth27$1K<0.01%013F-HRTimeline
Physician Wealth Advisors, Inc.19$996<0.01%013F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO19$973<0.01%-10913F-HRTimelineGroup
Private Wealth Management Group, LLC18$922<0.01%013F-HRTimeline
North Star Investment Management Corp.14$717<0.01%new13F-HRTimeline
Fortitude Family Office, LLC14$717<0.01%013F-HRTimeline
Cedar Mountain Advisors, LLC10$512<0.01%013F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC8$410<0.01%+413F-HRTimeline
Essential Partners LLC8$410<0.01%new13F-HRTimeline
Ankerstar Wealth, LLC7$358<0.01%013F-HRTimeline
Dunhill Financial, LLC6$322<0.01%+513F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV4$205<0.01%013F-HRTimeline
Abound Wealth Management4$205<0.01%new13F-HRTimeline
MV CAPITAL MANAGEMENT, INC.2$103<0.01%+113F-HRTimeline
Caitong International Asset Management …2$102<0.01%-313F-HRTimeline
Coston, McIsaac & Partners7$00%013F-HRTimelineValue filed as zero, left out of ratios.
Activest Wealth Management0$00%new13F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.