POWI · Insider trading · 13F holders · Congress trades
Power Integrations, Inc. (POWI)
Who is buying and selling POWI: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 15
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 3
POWI at a glance
- No open-market insider purchases or sales of POWI were filed in the last 90 days.
- 15 13F filers hold POWI among their 50 largest positions, worth $1.1B combined. The biggest bets by portfolio weight are Arosa Capital Management LP (9.1%), Aperture Investors, LLC (2.7%) and Disciplined Growth Investors Inc /mn (2.7%). In their latest 13Fs, 4 managers opened a new position and 0 added to one.
- Members of Congress have disclosed 8 POWI trades since 2015, 0 purchases and 3 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Aug 24, 2020.
- POWI last closed at $45.91 on Oct 30, 2026.
POWI insider trading
No open-market insider purchases or sales of POWI were filed in the last 90 days.
Who owns POWI? Hedge funds and superinvestors
15 13F filers hold POWI among their 50 largest positions, worth $1.1B combined. The biggest bets by portfolio weight are Arosa Capital Management LP (9.1%), Aperture Investors, LLC (2.7%) and Disciplined Growth Investors Inc /mn (2.7%). In their latest 13Fs, 4 managers opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Lepercq De Neuflize Asset Management LLCHedge fund | 0.3% | $418.8M | 5,000 | -50.0% shares | Q2 2026 |
| William Blair Investment Management, LLCHedge fund | 0.6% | $199.5M | 2,382,007 | — | Q2 2026 |
| Disciplined Growth Investors Inc /mnAsset manager | 2.7% | $158.5M | 1,891,864 | -3.4% shares | Q2 2026 |
| Snyder Capital Management L PHedge fund | 2.6% | $148.0M | 1,766,507 | -16.0% shares | Q2 2026 |
| Robeco Schweiz AGInvestment manager | 1.2% | $66.7M | 1,288,004 | -3.9% shares | Q3 2026 |
| Copeland Capital Management, LLCAsset manager | 1.0% | $44.4M | 856,776 | -2.9% shares | Q3 2026 |
| Aperture Investors, LLCHedge fund | 2.7% | $25.8M | 307,841 | — | Q2 2026 |
| Granite Investment Partners, LLCWealth manager | 0.8% | $15.6M | 186,420 | -42.6% shares | Q2 2026 |
| Tributary Capital Management, LLCMutual fund manager | 1.4% | $15.2M | 294,173 | -11.4% shares | Q3 2026 |
| Arosa Capital Management LPHedge fund | 9.1% | $10.5M | 125,000 | New | Q2 2026 |
| HERALD INVESTMENT MANAGEMENT LtdAsset manager | 1.1% | $8.4M | 100,384 | -42.6% shares | Q2 2026 |
| Ariose Capital Management LtdHedge fund | 2.4% | $5.6M | 66,578 | New | Q2 2026 |
| Incline Global Management LLCHedge fund | 0.8% | $2.7M | 32,493 | New | Q2 2026 |
| Avanda Investment Management Pte. Ltd.Hedge fund | 1.4% | $1.0M | 12,500 | New | Q2 2026 |
| Global Alpha Capital Management Ltd.Institutional asset manager | 0.1% | $991K | 11,829 | — | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 3, Q2 2026: 12). Screen POWI in the grand portfolio →
POWI stock trades by members of Congress
Members of Congress have disclosed 8 POWI trades since 2015, 0 purchases and 3 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Aug 24, 2020.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Sep 20, 2020 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Aug 24, 2020 | -18.9% |
| Sep 14, 2020 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Sep 2, 2020 | -20.3% |
| Apr 27, 2020 | Donna E. ShalalaD-FL · House | Sale | $1K–15K | Jun 24, 2019 | +23.3% |
| Aug 19, 2019 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Aug 1, 2019 | +1.4% |
| Feb 13, 2019 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Jan 28, 2019 | +40.0% |
| Jan 31, 2019 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Jan 24, 2019 | +43.3% |
| Jun 7, 2015 | Thomas MacArthurR-NJ · House | Sale | $1K–15K | May 27, 2015 | +78.3% |
| Feb 26, 2015 | Thom TillisR-NC · Senate | Sale | $1K–15K | Feb 13, 2015 | +65.8% |
5 members have traded POWI: Josh Gottheimer, Gilbert Ray Cisneros, Jr., Donna E. Shalala, Thomas MacArthur, Thom Tillis.
POWI questions and answers
Are insiders buying POWI stock?
No open-market insider purchases or sales of POWI were filed in the last 90 days.
Which hedge funds own POWI?
15 13F filers hold POWI among their 50 largest positions, worth $1.1B combined. The biggest bets by portfolio weight are Arosa Capital Management LP (9.1%), Aperture Investors, LLC (2.7%) and Disciplined Growth Investors Inc /mn (2.7%). In their latest 13Fs, 4 managers opened a new position and 0 added to one.
Has Congress traded POWI?
Members of Congress have disclosed 8 POWI trades since 2015, 0 purchases and 3 sales in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Aug 24, 2020.
Who is the largest holder of POWI?
Among 13F filers, Lepercq De Neuflize Asset Management LLC reports the largest POWI position, $418.8M (5,000 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Arosa Capital Management LP's: 9.1% of its portfolio.
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