POWER INTEGRATIONS INC

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POWI·739276103·US·Common Stock·Technology - Semiconductors-13D/G

POWI (POWER INTEGRATIONS INC) is held by 164 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($730.6M), VANGUARD PORTFOLIO MANAGEMENT LLC ($434.7M), WELLINGTON MANAGEMENT GROUP LLP ($301.2M). Net institutional sentiment: Mixed.

164

Holders

(13 Elite)

$4.2B

Total Value

62% (166)

Consensus

103 buying - 63 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)53

Insider (Form 4)49

Activist (13D/13G)67

Congressional (STOCK Act)50

Holder Quality

56

★★★★★

Elite

38

★★★★

Strong

64

★★★

Solid

22

★★

Below

55

★

Weak

Held by 164 funds

13 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Jul 27, 2026 · Activists Jun 4, 2026 · Congress none

InsiderLALloyd Jennifer ASell $416KJul 22, 2026

InsiderLALloyd Jennifer ASell $520KJul 22, 2026

ActivistNeuberger Berman Group LLC4.5%Jun 4, 2026

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Top Holders

Top Holders (164)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	8.7M(+2.4%)	$730.6M	0.0%	-3.70%	32
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	5.2M(+4.3%)	$434.7M	0.0%	+10.96%	33
WELLINGTON MANAGEMENT GROUP LLP	Increased	3.6M(+7.1%)	$301.2M	0.1%	-4.34%	33
STATE STREET CORP	Increased	3.2M(+3.8%)	$267.5M	0.0%	-21.00%	32
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	2.5M(+0.2%)	$210.3M	0.0%	+14.23%	31
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	Increased	2.4M(+0.1%)	$199.5M	0.6%	+14.33%	43
Neuberger Berman Group LLC	Decreased	2M(-48.6%)	$169.2M	0.1%	+25.64%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.8M(+7.7%)	$151M	0.0%	-7.45%	33
MORGAN STANLEY	Decreased	1.2M(-20.6%)	$99.9M	0.0%	-14.33%	0
Capital International Investors	Increased	1.2M(+6.4%)	$99.2M	0.0%	-31.39%	32
DIMENSIONAL FUND ADVISORS LP	Increased	1.1M(+2.6%)	$90.9M	0.0%	-28.51%	31
Nuveen, LLC	Decreased	1M(-2.7%)	$85.4M	0.0%	+12.68%	0
CONGRESS ASSET MANAGEMENT CO	New	930,059	$77.9M	0.5%	-34.46%	49
Boston Trust Walden Corp	Increased	882,471(+52.8%)	$73.9M	0.6%	-18.79%	58
Invesco Ltd.	Increased	870,396(+210.1%)	$72.9M	0.0%	-23.09%	48
JPMORGAN CHASE & CO	Decreased	879,254(-32.0%)	$69.6M	0.0%	+9.50%	0
AMERICAN CENTURY COMPANIES INC	Increased	781,675(+2842.2%)	$65.5M	0.0%	-33.40%	48
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	New	767,672	$64.3M	0.0%	-34.46%	41
NORTHERN TRUST CORP	Decreased	764,474(-9.2%)	$64M	0.0%	+3.88%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	753,514(-0.6%)	$63.1M	0.0%	+7.35%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer