DOSSIER · 13F Holders · Q2 2026Technology · Semiconductors & Related Devices
POWI

POWER INTEGRATIONS INC

353 institutions still hold POWER INTEGRATIONS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 739276103·Semiconductors & Related Devices·353 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$2.9B
visible holders
Holders
353
filers reporting
Concentration
25.17%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

353 institutions reported POWI in Q2 2026. BlackRock, Inc. leads at 25.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$731M8.7M0.01%Q2 2026
02
STATE STREET CORP
CIK 0000093751
$267M3.2M0.01%Q2 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$255M5.0M0.01%Q1 2026
04
Neuberger Berman Group LLC
CIK 0001465109
$201M3.9M0.15%Q1 2026
05
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$172M3.4M0.03%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$128M2.5M0.00%Q1 2026
07
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 0001644956
$122M2.4M0.40%Q1 2026
08
Robeco Schweiz AG
CIK 0001418427
$112M1.3M1.80%Q2 2026
09
SNYDER CAPITAL MANAGEMENT L P
CIK 0001050477
$108M2.1M2.09%Q1 2026
10
DISCIPLINED GROWTH INVESTORS INC /MN
CIK 0001050442
$100M2.0M2.05%Q1 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$86M1.7M0.01%Q1 2026
12
CONGRESS ASSET MANAGEMENT CO
CIK 0000897378
$78M930K0.48%Q2 2026
13
MORGAN STANLEY
CIK 0000895421
$77M1.5M0.00%Q1 2026
14
Copeland Capital Management, LLC
CIK 0001541743
$74M883K1.52%Q2 2026
15
Boston Trust Walden Corp
CIK 0001534866
$74M882K0.56%Q2 2026
16
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$72M1.4M0.01%Q1 2026
17
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$64M768K0.02%Q2 2026
18
Stephens Investment Management Group LLC
CIK 0001314440
$63M756K0.68%Q2 2026
19
JPMORGAN CHASE & CO
CIK 0000019617
$62M1.3M0.00%Q1 2026
20
Capital International Investors
CIK 0001562230
$57M1.1M0.01%Q1 2026
Page 1 of 18
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Insiders at POWER INTEGRATIONS INC
Lloyd Jennifer ALowe Gregg AVig RaviIyer Balakrishnan SGioia Nancy LeeGanti AnitaArienzo WendyGupta Sunil