POWI

POWER INTEGRATIONS INC
USCUSIP 739276103
Institutional Owners
108
+21 QoQ
13F Value Held
$1.3B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)55 adding · 34 trimming
Insider net (180d)+$0
Price history not yet available for POWI.

Top institutional holders

108 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD PORTFOLIO MANAGEMENT LLC
$254.8M
4.98MNewQ1 2026
2STATE STREET CORP
$157.6M
3.08MReducedQ1 2026
3VANGUARD CAPITAL MANAGEMENT LLC
$128.4M
2.51MNewQ1 2026
4WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
$121.9M
2.38MNewQ1 2026
5SNYDER CAPITAL MANAGEMENT L P
$107.7M
2.10MAddedQ1 2026
6DISCIPLINED GROWTH INVESTORS INC /MN
$100.3M
1.96MReducedQ1 2026
7Copeland Capital Management, LLC
$55.5M
1.08MAddedQ1 2026
8Hudson Bay Capital Management LP
$51.2M
1.00MNewQ1 2026
9WESTWOOD HOLDINGS GROUP INC
$44.7M
873.0KReducedQ1 2026
10Robeco Schweiz AG
$44.6M
870.2KAddedQ1 2026
11Stephens Investment Management Group LLC
$38.2M
745.2KReducedQ1 2026
12VANGUARD FIDUCIARY TRUST CO
$19.7M
385.2KNewQ1 2026
13ASR Vermogensbeheer N.V.
$17.7M
344.9KNewQ1 2026
14RIVERBRIDGE PARTNERS LLC
$17.2M
336.1KReducedQ1 2026
15Connor, Clark & Lunn Investment Management Ltd.
$14.5M
282.9KAddedQ1 2026
16CRAWFORD INVESTMENT COUNSEL INC
$11.7M
227.9KAddedQ1 2026
17PUBLIC SECTOR PENSION INVESTMENT BOARD
$10.2M
198.6KAddedQ1 2026
18Ceredex Value Advisors LLC
$8.0M
156.9KAddedQ1 2026
19EMERALD ADVISERS, LLC
$5.9M
116.0KNewQ1 2026
20NICHOLAS COMPANY, INC.
$5.6M
110.2KReducedQ1 2026
21Madison Asset Management, LLC
$5.3M
102.9KReducedQ1 2026
22CITADEL ADVISORS LLC
$5.1M
100.0KReducedQ1 2026
23Holocene Advisors, LP
$4.5M
87.9KAddedQ1 2026
24PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO
$3.6M
71.1KAddedQ1 2026
25EMERALD MUTUAL FUND ADVISERS TRUST
$3.1M
61.3KNewQ1 2026

Fund activity — latest quarter

Opened (NEW)
29
funds
Added
26
funds
Reduced
30
funds
Exited
4
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

101 funds+99 since Q2 2022
051101Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $1.0B

Funds that own POWI also own

CompanyCo-held byCombined value
Microsoft CorporationMSFT97 funds$158.2B
GOOGLE INCGOOGL95 funds$94.6B
Apple Inc.AAPL94 funds$204.2B
Broadcom LtdAVGO94 funds$81.5B
Lilly Eli & CoLLY94 funds$44.5B
Nvidia CorpNVDA93 funds$234.6B
Amazon.com, Inc.AMZN93 funds$114.6B
Meta Platforms Inc-ClasMETA93 funds$69.1B
Costco Wholesale CorporationCOST93 funds$26.0B
Unitedhealth Group IncUNH92 funds$16.5B
Oracle CorporationORCL92 funds$15.6B
Tjx Cos IncTJX92 funds$12.3B

Ranked by how many of POWI's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for POWI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.