POWI
POWER INTEGRATIONS INC
Semiconductors & Related DevicesNasdaqLarge accelerated filer
Total Trades
208
Buys
0
Sells
164
Largest Trade
N/A
Insiders
13
Institutional Funds
244
Inst. Value
$1M+
Activist Filings
15
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Bailey Doug | VP Marketing | SELL | $100K–$500K | 7K | $72.52 | Feb 23, 2024 |
| Bailey Doug | VP Marketing | SELL | $15K–$50K | 423 | $74.98 | Feb 17, 2024 |
| Yee Yang Chiah | VP, Worldwide Sales | GRANT | N/A | 2K | — | Feb 15, 2024 |
| Yee Yang Chiah | VP, Worldwide Sales | SELL | $100K–$500K | 2K | $78.02 | Feb 15, 2024 |
| WALKER CLIFFORD | VP Corporate Devel… | SELL | $100K–$500K | 2K | $78.14 | Feb 15, 2024 |
| WALKER CLIFFORD | VP Corporate Devel… | GRANT | N/A | 2K | — | Feb 15, 2024 |
| NAYYAR SANDEEP | CFO | GRANT | N/A | 2K | — | Feb 15, 2024 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 3K | $79.99 | Feb 15, 2024 |
| Matthews David MH | Chief Technical Of… | GRANT | N/A | 1K | — | Feb 15, 2024 |
| Matthews David MH | Chief Technical Of… | SELL | $100K–$500K | 1K | $78.15 | Feb 15, 2024 |
| Gupta Sunil | VP of Operations | SELL | $100K–$500K | 2K | $78.36 | Feb 15, 2024 |
| Gupta Sunil | VP of Operations | GRANT | N/A | 2K | — | Feb 15, 2024 |
| Barsan Radu | VP of Technology | GRANT | N/A | 2K | — | Feb 15, 2024 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 3K | $78.02 | Feb 15, 2024 |
| BALAKRISHNAN BALU | President and CEO | SELL | $500K+ | 9K | $78.08 | Feb 15, 2024 |
| BALAKRISHNAN BALU | President and CEO | GRANT | N/A | 7K | — | Feb 15, 2024 |
| Bailey Doug | VP Marketing | GRANT | N/A | 2K | — | Feb 15, 2024 |
| Bailey Doug | VP Marketing | SELL | $100K–$500K | 1K | $77.99 | Feb 15, 2024 |
| Matthews David MH | Chief Technical Of… | SELL | $50K–$100K | 1K | $73.96 | Feb 9, 2024 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 822 | $73.96 | Feb 9, 2024 |
| BALAKRISHNAN BALU | President and CEO | SELL | $100K–$500K | 6K | $73.39 | Feb 9, 2024 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 1K | $73.96 | Feb 9, 2024 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 2K | $73.96 | Feb 9, 2024 |
| WALKER CLIFFORD | VP Corporate Devel… | SELL | $100K–$500K | 2K | $74.04 | Feb 9, 2024 |
| BALAKRISHNAN BALU | President and CEO | SELL | $100K–$500K | 6K | $74.51 | Feb 7, 2024 |
| Matthews David MH | Chief Technical Of… | SELL | $100K–$500K | 2K | $75.50 | Feb 7, 2024 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 1K | $75.50 | Feb 7, 2024 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 2K | $75.50 | Feb 7, 2024 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 2K | $75.50 | Feb 7, 2024 |
| Gupta Sunil | VP of Operations | SELL | $100K–$500K | 1K | $75.49 | Feb 7, 2024 |
| Yee Yang Chiah | VP, Worldwide Sales | SELL | $50K–$100K | 853 | $75.42 | Feb 7, 2024 |
| NAYYAR SANDEEP | CFO | SELL | $1M+ | 15K | $76.22 | Dec 1, 2023 |
| BALAKRISHNAN BALU | President and CEO | SELL | $1M+ | 47K | $77.60 | Dec 1, 2023 |
| Matthews David MH | Chief Technical Of… | SELL | $500K+ | 7K | $77.69 | Nov 27, 2023 |
| Bailey Doug | VP Marketing | SELL | $100K–$500K | 3K | $78.43 | Nov 17, 2023 |
| Matthews David MH | Chief Technical Of… | SELL | $100K–$500K | 5K | $76.14 | Nov 17, 2023 |
| WALKER CLIFFORD | VP Corporate Devel… | SELL | $500K+ | 10K | $83.99 | Sep 5, 2023 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 6K | $84.25 | Sep 5, 2023 |
| Matthews David MH | Chief Technical Of… | SELL | $500K+ | 6K | $84.28 | Aug 30, 2023 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 1K | $84.02 | Aug 30, 2023 |
| Gupta Sunil | VP of Operations | SELL | $100K–$500K | 2K | $80.84 | Aug 28, 2023 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 1K | $84.00 | Aug 25, 2023 |
| Matthews David MH | Chief Technical Of… | SELL | $500K+ | 9K | $82.62 | Aug 23, 2023 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 1K | $81.62 | Aug 23, 2023 |
| BRATHWAITE NICHOLAS | Director | SELL | $500K+ | 6K | $84.41 | Aug 10, 2023 |
| Yee Yang Chiah | VP, Worldwide Sales | SELL | $100K–$500K | 1K | $91.43 | Jun 16, 2023 |
| Matthews David MH | Chief Technical Of… | SELL | $100K–$500K | 4K | $88.55 | May 30, 2023 |
| Sayiner Necip | Director | SELL | $100K–$500K | 5K | $89.95 | May 30, 2023 |
| Gupta Sunil | VP of Operations | SELL | $100K–$500K | 4K | $89.73 | May 30, 2023 |
| Barsan Radu | VP of Technology | SELL | $1K–$15K | 151 | $89.83 | May 30, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 244 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Neuberger Berman Group LLC | 4.0M | $1M+ | SH |
| STATE STREET CORP | 3.4M | $1M+ | SH |
| SNYDER CAPITAL MANAGEMENT L P | 2.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $1M+ | SH |
| Capital International Investors | 1.3M | $1M+ | SH |
| WESTWOOD HOLDINGS GROUP INC | 1.0M | $1M+ | SH |
| Copeland Capital Management, LLC | 995K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 920K | $1M+ | SH |
| Stephens Investment Management Group LLC | 748K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 718K | $1M+ | SH |
| NOMURA HOLDINGS INC | 654K | $1M+ | SH |
| Robeco Schweiz AG | 627K | $1M+ | SH |
| BNP Paribas Asset Management Holding S.A. | 597K | $1M+ | SH |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 442K | $1M+ | SH |
| Boston Trust Walden Corp | 392K | $1M+ | SH |
| RIVERBRIDGE PARTNERS LLC | 358K | $1M+ | SH |
| Granite Investment Partners, LLC | 355K | $1M+ | SH |
| ASR Vermogensbeheer N.V. | 341K | $1M+ | SH |
| ProShare Advisors LLC | 333K | $1M+ | SH |
| Grandeur Peak Global Advisors, LLC | 306K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 9, 2026
6.1%
3.4M shares
SC 13G/A · Jan 30, 2026
13.7%
7.6M shares
SC 13G/A · Jan 21, 2026
14.9%
8.2M shares
SC 13G · Nov 10, 2025
5.1%
2.9M shares
SC 13G/A · Nov 12, 2024
12.5%
7.1M shares
SC 13G/A · Nov 4, 2024
12.5%
7.1M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.3%
6.4M shares
Neuberger Berman Group LLC 61-1591182
SC 13G/A · Feb 13, 2024
5.8%
3.3M shares
SC 13G/A · Jan 23, 2024
13.0%
7.4M shares
SC 13G/A · Feb 10, 2023
6.1%
3.5M shares
SC 13G/A · Jan 23, 2023
11.9%
6.8M shares
The Vanguard Group - 23-1945930
SC 13G/A · Sep 9, 2022
10.1%
5.8M shares
SC 13G/A · Feb 14, 2022
6.2%
3.7M shares
SC 13G/A · Jan 27, 2022
12.3%
7.4M shares
SC 13G/A · Jan 25, 2022
12.3%
7.4M shares