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Power Integrations Inc. 13F holders

Of the 44 funds followed here, 5 reported a position in Power Integrations Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 1.8 million shares worth $151.0 million, 0.0% of its reported book. New this quarter: Bridgewater Associates.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
Geode Capital Management1,803,038$151.0 million0.0%+128,213added30 June 202613F
Citadel Advisors93,474$7.8 million0.0%-59,567trimmed30 June 202613F
Bridgewater Associates17,857$1.5 million0.0%+17,857new30 June 202613F
Two Sigma Investments13,700$1.1 million0.0%-9,100trimmed30 June 202613F
FMR LLC11,504$963,5720.0%+466added30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
4 June 202613G/ANeuberger Berman Group LLC and 3 others2.5 million4.5%31 May 2026passive, institutional (13d-1(b))EDGAR
15 May 202613GWellington Management Group LLP and 7 others3.4 million6.0%31 March 2026passive, institutional (13d-1(b))EDGAR
30 April 202613GVanguard Capital Management and 1 other2.9 million5.3%31 March 2026passive, institutional (13d-1(b))EDGAR
29 April 202613GVanguard Portfolio Management and 1 other5.0 million9.1%31 March 2026passive, institutional (13d-1(b))EDGAR
27 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
9 February 202613GState Street Corporation and 1 other3.4 million6.1%31 December 2025passive, institutional (13d-1(b))EDGAR
30 January 202613G/AThe Vanguard Group and 1 other7.6 million13.7%31 December 2025passive, institutional (13d-1(b))EDGAR
21 January 202613G/ABlackRock, Inc. and 1 other8.2 million14.9%31 December 2025passive, institutional (13d-1(b))EDGAR
10 November 202513GState Street Corporation and 1 other2.9 million5.1%30 September 2025passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.

Fails to deliver

Settlement dateShares failedPriceFile
4 September 20265,903$50.54SEC
2 September 202649$49.78SEC
31 August 2026919$51.51SEC
26 August 202636,300$54.63SEC
5 August 202694$64.57SEC
3 August 202699$60.71SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 36,300 on 26 August 2026. A fail is an operational fact about settlement, not a position.

Source

Each fund's 13F-HR on EDGAR, linked per row; positions matched to POWI by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.

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