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

POWER INTEGRATIONS INC

390 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·390 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$3.6B
visible holders
Holders
390
filers reporting
Concentration
20.13%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

390 institutions reported POWI in Q2 2026. BlackRock, Inc. leads at 20.1% 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
Vanguard Portfolio Management
CIK 0002100121· Index
$435M5.2M0.02%Q2 2026
03
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$301M3.6M0.05%Q2 2026
04
STATE STREET CORP
CIK 0000093751
$267M3.2M0.01%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$210M2.5M0.00%Q2 2026
06
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 0001644956
$200M2.4M0.60%Q2 2026
07
Neuberger Berman Group LLC
CIK 0001465109
$169M2.0M0.11%Q2 2026
08
DISCIPLINED GROWTH INVESTORS INC /MN
CIK 0001050442
$158M1.9M2.68%Q2 2026
09
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$151M1.8M0.01%Q2 2026
10
SNYDER CAPITAL MANAGEMENT L P
CIK 0001050477
$148M1.8M2.56%Q2 2026
11
Robeco Schweiz AG
CIK 0001418427
$112M1.3M1.80%Q2 2026
12
MORGAN STANLEY
CIK 0000895421
$100M1.2M0.01%Q2 2026
13
Capital International Investors
CIK 0001562230
$99M1.2M0.02%Q2 2026
14
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$91M1.1M0.02%Q2 2026
15
Nuveen, LLC
CIK 0001871926
$85M1.0M0.02%Q2 2026
16
CONGRESS ASSET MANAGEMENT CO
CIK 0000897378
$78M930K0.48%Q2 2026
17
Copeland Capital Management, LLC
CIK 0001541743
$74M883K1.52%Q2 2026
18
Boston Trust Walden Corp
CIK 0001534866
$74M882K0.56%Q2 2026
19
Invesco Ltd.
CIK 0000914208
$73M870K0.01%Q2 2026
20
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$72M1.4M0.01%Q1 2026
Page 1 of 20
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Insiders at POWER INTEGRATIONS INC
Lloyd Jennifer A →Lowe Gregg A →Vig Ravi →Iyer Balakrishnan S →Gioia Nancy Lee →Ganti Anita →Arienzo Wendy →Gupta Sunil →