POWI — POWER INTEGRATIONS INC

Ownership history in MQS Management LLC  ·  8 quarters on record

This page tracks every 13F SEC filing in which MQS Management LLC reported a position in POWER INTEGRATIONS INC (POWI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.41% (2023 Q4)
Avg. % of fund
0.24%
First filed
2022 Q3
Last filed
2025 Q3
Quarters held
8
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 5,608 -288 -4.9% 0.13% $225K $39.78
2025 Q2 ADDED 5,896 +1,651 +38.9% 0.18% $330K $55.05
2024 Q2 REDUCED 4,245 -1,510 -26.2% 0.18% $298K $68.18
2024 Q1 REDUCED 5,755 -3,281 -36.3% 0.24% $412K $69.31
4 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    POWI price (monthly, adj. close)

Other funds also holding POWI

As of 2025 Q4 — sorted by position size

S Squared Technology, LLC 3Y 7Y 1.79% Grandeur Peak Global Advisors, LLC 3Y 7Y 1.46% SNYDER CAPITAL MANAGEMENT L P 3Y 7Y 1.37% DISCIPLINED GROWTH INVESTORS INC /MN 3Y 7Y 1.36% Foresight Group Ltd Liability Partnership 1.19% QSV Equity Investors LLC 1.12% Tributary Capital Management, LLC 3Y 7Y 1.06% Copeland Capital Management, LLC 3Y 7Y 0.93% Granite Investment Partners, LLC 3Y 7Y 0.75% HERALD INVESTMENT MANAGEMENT Ltd 3Y 7Y 0.7%
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