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 |
|---|---|---|---|---|---|---|
| BALAKRISHNAN BALU | President and CEO | SELL | $1M+ | 22K | $89.85 | May 30, 2023 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 1K | $89.84 | May 30, 2023 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 5K | $86.88 | May 23, 2023 |
| Matthews David MH | Chief Technical Of… | SELL | $500K+ | 6K | $86.61 | May 23, 2023 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 1K | $82.41 | May 19, 2023 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 2K | $78.91 | Apr 7, 2023 |
| BALAKRISHNAN BALU | President and CEO | SELL | $500K+ | 10K | $80.66 | Apr 5, 2023 |
| WALKER CLIFFORD | VP Corporate Devel… | SELL | $100K–$500K | 2K | $81.84 | Apr 5, 2023 |
| Bailey Doug | VP Marketing | SELL | $100K–$500K | 1K | $81.84 | Apr 5, 2023 |
| Matthews David MH | Chief Technical Of… | SELL | $100K–$500K | 2K | $81.46 | Apr 5, 2023 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 2K | $81.59 | Apr 5, 2023 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 2K | $81.66 | Apr 5, 2023 |
| Matthews David MH | Chief Technical Of… | SELL | $100K–$500K | 6K | $82.47 | Mar 1, 2023 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 3K | $82.54 | Feb 22, 2023 |
| Sayiner Necip | Director | SELL | $100K–$500K | 1K | $84.52 | Feb 16, 2023 |
| WALKER CLIFFORD | VP Corporate Devel… | SELL | $100K–$500K | 1K | $84.11 | Feb 16, 2023 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 3K | $83.43 | Feb 16, 2023 |
| Matthews David MH | CTO | SELL | $100K–$500K | 2K | $83.97 | Feb 16, 2023 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 2K | $83.81 | Feb 16, 2023 |
| BALAKRISHNAN BALU | President and CEO | SELL | $500K+ | 12K | $83.75 | Feb 16, 2023 |
| Bailey Doug | VP Marketing | SELL | $500K+ | 7K | $84.10 | Feb 16, 2023 |
| Barsan Radu | VP of Technology | GRANT | N/A | 17K | — | Feb 14, 2023 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 2K | $83.44 | Feb 14, 2023 |
| NAYYAR SANDEEP | CFO | GRANT | N/A | 4K | — | Feb 9, 2023 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 2K | $84.86 | Feb 9, 2023 |
| Gupta Sunil | VP of Operations | GRANT | N/A | 3K | — | Feb 9, 2023 |
| Gupta Sunil | VP of Operations | SELL | $50K–$100K | 914 | $85.20 | Feb 9, 2023 |
| Yee Yang Chiah | VP, Worldwide Sales | GRANT | N/A | 2K | — | Feb 9, 2023 |
| Yee Yang Chiah | VP, Worldwide Sales | SELL | $15K–$50K | 524 | $85.20 | Feb 9, 2023 |
| Bailey Doug | VP Marketing | GRANT | N/A | 2K | — | Feb 9, 2023 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 797 | $84.99 | Feb 9, 2023 |
| Matthews David MH | CTO | SELL | $50K–$100K | 971 | $84.96 | Feb 9, 2023 |
| Matthews David MH | CTO | GRANT | N/A | 3K | — | Feb 9, 2023 |
| WALKER CLIFFORD | VP Corporate Devel… | GRANT | N/A | 2K | — | Feb 9, 2023 |
| WALKER CLIFFORD | VP Corporate Devel… | SELL | $50K–$100K | 840 | $85.08 | Feb 9, 2023 |
| Barsan Radu | VP of Technology | GRANT | N/A | 4K | — | Feb 9, 2023 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 4K | $83.85 | Feb 9, 2023 |
| BALAKRISHNAN BALU | President and CEO | GRANT | N/A | 21K | — | Feb 9, 2023 |
| BALAKRISHNAN BALU | President and CEO | SELL | $500K+ | 11K | $84.59 | Feb 9, 2023 |
| WALKER CLIFFORD | VP Corporate Devel… | SELL | $50K–$100K | 897 | $83.00 | Feb 9, 2023 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 2K | $82.94 | Feb 9, 2023 |
| Matthews David MH | CTO | SELL | $50K–$100K | 1K | $83.18 | Feb 9, 2023 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 5K | $86.70 | Feb 9, 2023 |
| BALAKRISHNAN BALU | President and CEO | SELL | $100K–$500K | 6K | $83.02 | Feb 9, 2023 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 836 | $83.51 | Feb 9, 2023 |
| BALAKRISHNAN BALU | President and CEO | SELL | $500K+ | 6K | $90.89 | Feb 7, 2023 |
| NAYYAR SANDEEP | CFO | SELL | $100K–$500K | 2K | $90.64 | Feb 7, 2023 |
| Bailey Doug | VP Marketing | SELL | $50K–$100K | 1K | $90.36 | Feb 7, 2023 |
| Barsan Radu | VP of Technology | SELL | $100K–$500K | 2K | $90.74 | Feb 7, 2023 |
| Matthews David MH | VP of Product Deve… | SELL | $100K–$500K | 1K | $90.43 | Feb 7, 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