What does CUSIP 739276103 represent in this 13F holders report?

CUSIP 739276103 is the security identifier for POWI - POWER INTEGRATIONS INC - Common Stock used to aggregate holder disclosures.

How many institutions held POWI - POWER INTEGRATIONS INC - Common Stock in Q1 2021?

293 institutional investors reported POWI - POWER INTEGRATIONS INC - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

POWER INTEGRATIONS INC - Common Stock (POWI)

CUSIP: 739276103

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 55,753,607
Total 13F shares: 58,654,698
Share change: -675,426
Total reported value: $4,777,352,432
Put/Call ratio: 68%
Price per share: $81.48
Number of holders: 293
Value change: -$55,025,542
Number of buys: 118
Number of sells: 162

Quarterly Holders Quick Answers

What is CUSIP 739276103?
CUSIP 739276103 identifies POWI - POWER INTEGRATIONS INC - Common Stock in SEC institutional holdings data.

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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 739276103:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of POWI - POWER INTEGRATIONS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	17%	9,579,120	$784,147,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	11%	6,084,070	$498,041,000	—	31 Dec 2020	13F
Neuberger Berman Group LLC	13F	Company	7.7%	4,310,016	$351,400,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	4.2%	2,350,292	$192,396,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	4%	2,254,816	$184,580,000	—	31 Dec 2020	13F
DISCIPLINED GROWTH INVESTORS INC /MN	13F	Company	4%	2,251,462	$184,305,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	3.8%	2,128,631	$174,250,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	3.2%	1,806,532	$147,882,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	3.2%	1,760,951	$144,151,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.4%	1,324,256	$108,401,000	—	31 Dec 2020	13F
Robeco Schweiz AG	13F	Company	2.2%	1,250,000	$102,325,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.8%	989,528	$81,125,000	—	31 Dec 2020	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.7%	937,319	$76,729,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	1.7%	928,653	$76,019,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.5%	837,160	$68,541,000	—	31 Dec 2020	13F
SNYDER CAPITAL MANAGEMENT L P	13F	Company	1.5%	812,518	$66,513,000	—	31 Dec 2020	13F
NORGES BANK	13F	Company	1.4%	793,839	$64,984,000	—	31 Dec 2020	13F
Polar Capital Holdings Plc	13F	Company	1.4%	788,542	$64,550,000	—	31 Dec 2020	13F
Ceredex Value Advisors LLC	13F	Company	1.4%	778,054	$63,692,000	—	31 Dec 2020	13F
Stephens Investment Management Group LLC	13F	Company	1.4%	755,247	$61,825,000	—	31 Dec 2020	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	1.2%	676,914	$55,412,000	—	31 Dec 2020	13F
FIRST TRUST ADVISORS LP	13F	Company	1.1%	631,305	$51,679,000	—	31 Dec 2020	13F
Fiera Capital Corp	13F	Company	1.1%	597,986	$48,952,000	—	31 Dec 2020	13F
ATLANTA CAPITAL MANAGEMENT CO L L C	13F	Company	1.1%	590,351	$48,326,000	—	31 Dec 2020	13F
Copeland Capital Management, LLC	13F	Company	1%	577,313	$47,258,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	1%	575,410	$47,104,000	—	31 Dec 2020	13F
FEDERATED HERMES, INC.	13F	Company	0.96%	538,018	$44,043,000	—	31 Dec 2020	13F
Boston Trust Walden Corp	13F	Company	0.9%	503,035	$41,178,000	—	31 Dec 2020	13F
GW&K Investment Management, LLC	13F	Company	0.9%	501,849	$41,081,000	—	31 Dec 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.85%	475,405	$38,917,000	—	31 Dec 2020	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.8%	447,582	$36,639,000	—	31 Dec 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.69%	382,749	$31,331,000	—	31 Dec 2020	13F
Allianz Asset Management GmbH	13F	Company	0.64%	358,754	$29,367,000	—	31 Dec 2020	13F
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	13F	Company	0.6%	334,676	$27,397,000	—	31 Dec 2020	13F
Grandeur Peak Global Advisors, LLC	13F	Company	0.57%	316,824	$25,935,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.54%	303,311	$24,829,000	—	31 Dec 2020	13F
NICHOLAS COMPANY, INC.	13F	Company	0.51%	284,575	$23,295,000	—	31 Dec 2020	13F
ROYAL BANK OF CANADA	13F	Company	0.51%	282,477	$23,123,000	—	31 Dec 2020	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.5%	279,064	$22,844,000	—	31 Dec 2020	13F
AMUNDI ASSET MANAGEMENT US, INC.	13F	Company	0.49%	272,460	$22,316,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.46%	257,574	$21,085,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.45%	251,994	$20,628,000	—	31 Dec 2020	13F
CREDIT SUISSE AG/	13F	Company	0.39%	220,130	$18,020,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.39%	218,397	$17,877,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.37%	208,139	$17,038,000	—	31 Dec 2020	13F
S.c.a. Candriam	13F	Individual	0.37%	203,935	$16,695,000	—	31 Dec 2020	13F
Vontobel Holding Ltd.	13F	Company	0.33%	186,000	$16,288,000	—	31 Dec 2020	13F
Legal & General Group Plc	13F	Company	0.35%	195,696	$16,019,000	—	31 Dec 2020	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.33%	184,080	$15,069,000	—	31 Dec 2020	13F
CANADA PENSION PLAN INVESTMENT BOARD	13F	Company	0.32%	178,500	$14,612,000	—	31 Dec 2020	13F

Institutional Holders of POWER INTEGRATIONS INC - Common Stock (POWI) as of Q1 2021

As of 31 Mar 2021, POWER INTEGRATIONS INC - Common Stock (POWI) was held by 293 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 58,654,698 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, Neuberger Berman Group LLC, JPMORGAN CHASE & CO, WELLINGTON MANAGEMENT GROUP LLP, Invesco Ltd., STATE STREET CORP, DISCIPLINED GROWTH INVESTORS INC /MN, Bank of New York Mellon Corp, and Robeco Schweiz AG. This page lists 293 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

286

Q1 2021 holders

293

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.