# POWER INTEGRATIONS INC COM

POWER INTEGRATIONS INC COM is a security (CUSIP 739276103) tracked across SEC portfolio filings. 344 institutional managers reported $3.4B on Form 13F as of 2026-06-30; 35 registered fund positions totaling $312.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: POWER INTEGRATIONS INC
- Class: COM
- CUSIP: 739276103
- Asset category: EC
- 13F holders: 344
- 13F value: $3.4B
- 13F period: 2026-06-30
- N-PORT fund positions: 35
- N-PORT value: $312.7M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 344 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $436.3M | 8,521,749 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $268.6M | 7,556,919 |
| NEUBERGER BERMAN GROUP LLC | NEW YORK, NY | $201.4M | 3,933,099 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $171.8M | 3,356,153 |
| STATE STREET CORP | BOSTON, MA | $157.6M | 3,077,843 |
| [WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC](https://search.stillhousedata.com/firm/173961) | CHICAGO, IL | $121.9M | 2,380,677 |
| Robeco Schweiz AG | ZURICH, V8 | $112.3M | 1,340,404 |
| [SNYDER CAPITAL MANAGEMENT L P](https://search.stillhousedata.com/firm/108518) | San Francisco, CA | $107.7M | 2,104,063 |
| [DISCIPLINED GROWTH INVESTORS INC /MN](https://search.stillhousedata.com/firm/106746) | MINNEAPOLIS, MN | $100.3M | 1,959,172 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $85.8M | 1,674,825 |
| CONGRESS ASSET MANAGEMENT CO /MA | BOSTON, MA | $77.9M | 930,059 |
| MORGAN STANLEY | NEW YORK, NY | $76.9M | 1,501,960 |
| Copeland Capital Management, LLC | Conshohocken, PA | $73.9M | 882,810 |
| Boston Trust Walden Corp | BOSTON, MA | $73.9M | 882,471 |
| [MASSACHUSETTS FINANCIAL SERVICES CO /MA/](https://search.stillhousedata.com/firm/110045) | Boston, MA | $64.3M | 767,672 |

## Top fund holders (N-PORT)

_Showing 15 of 35 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $113.9M | 52.33% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $57.0M | 7.03% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $32.1M | 25.11% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $31.7M | 3.89% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $23.8M | 13.59% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $10.6M | 14.15% |
| [Nicholas Limited Edition, Inc.](https://search.stillhousedata.com/fund/S000009136) | Nicholas Limited Edition, Inc. | $6.7M | 204.42% |
| [HARTFORD SMALL CAP GROWTH HLS FUND](https://search.stillhousedata.com/fund/S000004108) | HARTFORD HLS SERIES FUND II INC | $6.7M | 87.28% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $5.5M | 18.29% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $4.7M | 9.68% |
| [Embark Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000083503) | Harbor Funds II | $3.7M | 64.11% |
| [Copeland SMID Cap Dividend Growth Fund](https://search.stillhousedata.com/fund/S000056507) | Copeland Trust | $2.9M | 205.35% |
| [Emerald Growth Fund](https://search.stillhousedata.com/fund/S000036390) | FINANCIAL INVESTORS TRUST | $2.4M | 16.86% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $2.0M | 23.86% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $1.6M | 0.27% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/739276103.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.