Power Integrations
POWI · NASDAQ
$46.97+$1.51 (+3.32%)TodayMarket closed ·
Prev close $45.46
Who owns POWI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 58.0% of POWI’s shares.
- BlackRock Institutional Trust Company, N.A.14.1%
- Vanguard Portfolio Management, LLC9.3%
- Wellington Management Company, LLP6.5%
- State Street Investment Management (US)5.7%
- Next 6 largest institutions22.4%
- All other shareholders42.0%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 7.85M | 14.09% |
| Vanguard Portfolio Management, LLC | 5.19M | 9.31% |
| Wellington Management Company, LLP | 3.60M | 6.45% |
| State Street Investment Management (US) | 3.19M | 5.73% |
| Vanguard Capital Management, LLC | 2.51M | 4.51% |
| William Blair Investment Management, LLC | 2.38M | 4.27% |
| Neuberger Berman, LLC | 2.02M | 3.63% |
| Disciplined Growth Investors, Inc. | 1.89M | 3.40% |
| T. Rowe Price Associates, Inc. | 1.85M | 3.32% |
| Geode Capital Management, L.L.C. | 1.80M | 3.24% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.40M | 6.09% |
| Vanguard Total Stock Market Index Fund | 1.78M | 3.19% |
| iShares Russell 2000 ETF | 1.45M | 2.60% |
| Vanguard Information Technology Index Fund | 1.41M | 2.54% |
| Vanguard Explorer Fund | 1.32M | 2.37% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $28.26M (12 trades) of POWI on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Lloyd Jennifer A | Sale | 7.05K | $519.80K |
| Lloyd Jennifer A | Sale | 5.64K | $415.84K |
| Vig Ravi | Award | 2.49K | — |
| Ganti Anita | Award | 2.49K | — |
| Arienzo Wendy | Award | 2.49K | — |
| Gioia Nancy Lee | Award | 2.49K | — |
| LOWE GREGG A | Award | 2.49K | — |
| IYER BALAKRISHNAN S | Award | 2.49K | — |
| Gupta Sunil | Sale | 6.86K | $573.96K |
| BALAKRISHNAN BALU | Sale | 29.00K | $2.52M |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.48M
- Days to cover
- 6.63
- % of shares outstanding
- 9.84%
- Average daily volume
- 827.42K
- Change since last report
- −6.7%
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