How many institutional investors hold POWI?

2 tracked institutional investors disclosed a position in POWI (POWER INTEGRATIONS INC) in their most recent 13F filing.

Who is the largest institutional holder of POWI?

Izzy Englander, Millennium Management, holds the largest disclosed position in POWI, valued at $42M.

Where does this POWI ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

POWI — POWER INTEGRATIONS INC

Name: POWER INTEGRATIONS INC (POWI) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying POWI?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence

Institutional Conviction

Net accumulation · 1 buying vs 0 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their POWI position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).

Supporting evidence

+1 tracked investor added or increased positions last quarter (Ray Dalio)
+2 tracked investors reported holding POWI at their latest filing
+Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource

Contradicting evidence — always shown

−13F data is disclosed up to 45 days after quarter end — positions may have changed since

Know the limits

· 13F disclosure lag (up to 45 days)
· Tracked investors are a sample, not the whole market
· Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.

About POWER INTEGRATIONS INC (POWI)

POWER INTEGRATIONS INC (POWI) appears in the most recent 13F filings of 2 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $42M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 3 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in POWI

/100

Mixed Activity

Added / Increased2

Reduced0

Exited3

BearishBullish

Crowded Trade Score™

How many top investors track POWI

/100

Undiscovered

2investors

Only 2 tracked investors report this position.

UndiscoveredCrowded

151015+

POWI Ownership Composition

How POWER INTEGRATIONS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Multi-Strategy / Quant

84% of tracked value

Institutions

tracked investors

Total Reported

$9.3M

combined 13F value

Multi-Strategy / Quant84.0%
Macro16.0%

Multi-Strategy / Quant(1)

84.0%

Macro(1)

16.0%

Tracked investors currently reporting POWI

2 tracked investors have since exited this position — listed separately below.

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	93.5K	$7.8M	0.00%	Jun 30, 2026
Ray Dalio	Bridgewater Associates	17.9K	$1.5M	0.01%	Jun 30, 2026

Ken GriffinJun 30, 2026
Citadel Advisors
Shares
93.5K
Value
$7.8M
% Portfolio
0.00%
Ray DalioJun 30, 2026
Bridgewater Associates
Shares
17.9K
Value
$1.5M
% Portfolio
0.01%

Previously held POWI

These investors reported POWI in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

Investor	Firm	Last reported shares	Value then	Last held
Izzy Englander	Millennium Management	106.6K	$3.8M	Dec 31, 2025
Paul Tudor Jones	Tudor Investment Corp	65.7K	$2.6M	Sep 30, 2025

Recent activity

Investor	Action	Δ %	Current value	Filing date
Izzy Englander	Sold	-100.00%	$0	Nov 14, 2024
Izzy Englander	Sold	-100.00%	$0	Feb 17, 2026
Ray Dalio	New	—	$1.5M	Aug 14, 2026
Paul Tudor Jones	New	—	$7.9M	Aug 14, 2024
Paul Tudor Jones	Sold	-100.00%	$0	Nov 14, 2024

Izzy Englander
Sold
$0(-100.00%)Nov 14, 2024
Izzy Englander
Sold
$0(-100.00%)Feb 17, 2026
Ray Dalio
New
$1.5MAug 14, 2026
Paul Tudor Jones
New
$7.9MAug 14, 2024
Paul Tudor Jones
Sold
$0(-100.00%)Nov 14, 2024

Frequently asked questions

How many institutional investors hold POWI?: 2 tracked institutional investors disclosed a position in POWI (POWER INTEGRATIONS INC) in their most recent 13F filing.
Who is the largest institutional holder of POWI?: Izzy Englander, Millennium Management, holds the largest disclosed position in POWI, valued at $42M.
Did institutional ownership of POWI increase or decrease?: Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 3 fully exited POWI.
Where does this POWI ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.