POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.8,511,304$302,492
VANGUARD GROUP INC7,556,919$268,573
NEUBERGER BERMAN GROUP LLC3,973,057$141,202
STATE STREET CORP3,400,970$120,870
WELLINGTON MANAGEMENT GROUP LLP2,423,972$86,148
SNYDER CAPITAL MANAGEMENT L P2,064,707$73,380
DISCIPLINED GROWTH INVESTORS INC /MN2,001,698$71,140
JPMORGAN CHASE & CO1,659,643$58,984
GEODE CAPITAL MANAGEMENT, LLC1,603,683$57,003
MORGAN STANLEY1,479,555$52,583
Capital International Investors1,264,369$44,936
Copeland Capital Management, LLC1,173,907$41,721
WESTWOOD HOLDINGS GROUP INC1,037,517$36,873
DIMENSIONAL FUND ADVISORS LP985,227$35,016
PRICE T ROWE ASSOCIATES INC /MD/943,365$34
NORTHERN TRUST CORP824,990$29,320
BROWN ADVISORY INC749,127$26,624
Stephens Investment Management Group LLC747,929$26,581
CHARLES SCHWAB INVESTMENT MANAGEMENT INC718,405$25,532
NOMURA HOLDINGS INC654,046$23,245
Boston Trust Walden Corp646,744$22,985
Robeco Schweiz AG627,474$22,300
BNP Paribas Investment Partners S.A.597,875$21
BANK OF AMERICA CORP /DE/594,835$21,140
MARSHALL WACE, LLP493,708$17,546
Bank of New York Mellon Corp477,549$16,972
Ceredex Value Advisors LLC453,650$16,123
VOLORIDGE INVESTMENT MANAGEMENT, LLC441,559$15,693
GOLDMAN SACHS GROUP INC440,570$15,658
RIVERBRIDGE PARTNERS LLC357,594$12,709
Granite Investment Partners, LLC355,031$12,618
ASR Vermogensbeheer N.V.340,666$12,107
ProShare Advisors LLC333,419$11,850
Grandeur Peak Global Advisors, LLC305,529$10,859
FEDERATED HERMES, INC.304,549$10,824
Tributary Capital Management, LLC303,221$10,776
AQR CAPITAL MANAGEMENT LLC284,360$10,106
UBS Group AG276,073$9,812
PRINCIPAL FINANCIAL GROUP INC264,655$9,406
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO255,521$9
Invesco Ltd.242,853$8,631
LOOMIS SAYLES & CO L P239,583$8,515
SILVERCREST ASSET MANAGEMENT GROUP LLC229,525$8,157
FIRST TRUST ADVISORS LP227,736$8,094
CRAWFORD INVESTMENT COUNSEL INC220,803$7,847
Foresight Group Ltd Liability Partnership219,494$7,882
RHUMBLINE ADVISERS210,219$7,471
RENAISSANCE TECHNOLOGIES LLC206,100$7,325
ENVESTNET ASSET MANAGEMENT INC198,021$7,038
Public Sector Pension Investment Board191,500$6,806
DEUTSCHE BANK AG\166,872$5,931
SEI INVESTMENTS CO160,372$5,700
Connor, Clark & Lunn Investment Management Ltd.151,072$5,369
Herald Investment Management Ltd150,000$5,330
Legal & General Group Plc145,895$5,185
BARCLAYS PLC145,720$5,179
Nuveen, LLC133,245$4,736
S Squared Technology, LLC130,000$4,620
CITIGROUP INC123,500$4,389
UBS ASSET MANAGEMENT AMERICAS INC119,221$4,237
NICHOLAS COMPANY, INC.110,655$3,933
Swiss National Bank110,600$3,931
BESSEMER GROUP INC106,978$4
MILLENNIUM MANAGEMENT LLC106,559$3,787
Madison Asset Management, LLC103,843$3,691
AMERIPRISE FINANCIAL INC97,081$3,456
SUSQUEHANNA INTERNATIONAL GROUP, LLP96,514$3,430
WELLS FARGO & COMPANY/MN93,514$3,323
D. E. Shaw & Co., Inc.87,212$3,100
CANADA PENSION PLAN INVESTMENT BOARD85,500$3,039
Trexquant Investment LP82,782$2,942
Russell Investments Group, Ltd.80,125$2,848
PineStone Asset Management Inc.79,100$2,811
ROYAL BANK OF CANADA75,329$2,677
Numerai GP LLC75,079$2,668
Holocene Advisors, LP73,635$2,617
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO70,990$2,523
Engineers Gate Manager LP67,800$2,410
ALLIANCEBERNSTEIN L.P.65,518$2,329
MANUFACTURERS LIFE INSURANCE COMPANY, THE64,723$2,301
NEW YORK STATE COMMON RETIREMENT FUND62,805$2,232
PANAGORA ASSET MANAGEMENT INC59,753$2,124
Zurcher Kantonalbank (Zurich Cantonalbank)56,658$2,014
SORA INVESTORS LLC56,326$2,002
RAYMOND JAMES FINANCIAL INC56,144$1,995
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM52,426$1,863
PRUDENTIAL FINANCIAL INC52,053$1,873
CAPITAL FUND MANAGEMENT S.A.50,599$1,798
GREAT WEST LIFE ASSURANCE CO /CAN/49,734$2
STIFEL FINANCIAL CORP49,149$1,747
Campbell & CO Investment Adviser LLC48,715$1,731
FIRST NATIONAL BANK OF OMAHA46,047$1,637
STATE OF WISCONSIN INVESTMENT BOARD45,550$1,619
SG Americas Securities, LLC44,351$2
Universal- Beteiligungs- und Servicegesellschaft mbH43,816$1,557
Arosa Capital Management LP40,000$1,422
Thrivent Financial for Lutherans38,024$1
VAN ECK ASSOCIATES CORP37,102$1
MetLife Investment Management, LLC32,551$1,157
LPL Financial LLC32,182$1,144
198 other institutions1,430,152$41,875
Total (298 institutions)59,658,377$2,037,825