POWI — POWER INTEGRATIONS INC

Ownership history in Headlands Technologies LLC  ·  9 quarters on record

This page tracks every 13F SEC filing in which Headlands Technologies 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
0.1% (2024 Q1)
Avg. % of fund
0.05%
First filed
2023 Q2
Last filed
2025 Q3
Quarters held
9
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 16,544 +10,182 +160.0% 0.05% $665K $39.78
2025 Q2 REDUCED 6,362 -797 -11.1% 0.04% $356K $55.05
2025 Q1 ADDED 7,159 +35 +0.5% 0.04% $362K $49.53
2024 Q4 REDUCED 7,124 -3,489 -32.9% 0.04% $440K $60.31
5 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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