POWI — POWER INTEGRATIONS INC

Ownership history in Qube Research & Technologies Ltd  ·  15 quarters on record

AI Ownership Summary

Qube Research & Technologies Ltd reported POWER INTEGRATIONS INC (POWI) in 15 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 0.01% in 2025 Q1. The latest visible filing shows POWI at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this POWI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Qube Research & Technologies Ltd's position in POWER INTEGRATIONS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

POWI was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.01% in 2025 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

POWI stock page Qube Research & Technologies Ltd fund profile Qube Research & Technologies Ltd full holdings
How Qube Research & Technologies Ltd held POWI — position size vs. price
% of Fund (quarterly)    POWI price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 7 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 ADDED 112,758 +51,173 +83.1% 0.00% $4.5M 2025-11-14 $34.23
2025 Q2 REDUCED 61,585 -24,509 -28.5% 0.00% $3.4M 2025-08-14 $46.55
2025 Q1 ADDED 86,094 +71,890 +506.1% 0.01% $4.3M 2025-05-15 $53.22
2024 Q4 REDUCED 14,204 -20,784 -59.4% 0.00% $876K 2025-02-14 $58.23
2024 Q3 ADDED 34,988 +7,776 +28.6% 0.00% $2.2M 2024-11-14 $60.51
2024 Q2 ADDED 27,212 +26,944 +10053.7% 0.00% $1.9M 2024-08-14 $57.94
2023 Q4 REDUCED 268 -18,682 -98.6% 0.00% $22K 2024-02-13 $69.71
8 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 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%

FAQ About Qube Research & Technologies Ltd and POWI

These are the practical questions this page is built to answer before you even open the full history table.

How long has Qube Research & Technologies Ltd reported owning POWI?

Qube Research & Technologies Ltd reported POWI across 7 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported POWI position in Qube Research & Technologies Ltd's portfolio?

The largest reported portfolio weight for POWI was 0.01% in 2025 Q1.

What is the latest reported POWI position on this page?

The most recent filing on this page is 2025 Q3, when Qube Research & Technologies Ltd reported 112,758 shares, equal to 0.00% of portfolio, with an estimated market value of $4.5M.

What does the chart on this POWI ownership page compare?

The chart compares Qube Research & Technologies Ltd's quarterly POWI portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

← Back to Qube Research & Technologies Ltd Holdings