POWER SOLUTIONS INTERNATIONAL, INC.
Total Trades
66
Buys
36
Sells
30
Largest Trade
$1M+
Insiders
7
Institutional Funds
157
Inst. Value
$1M+
Activist Filings
14
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Gagnon Neil | 10% Owner | BUY | $1K–$15K | 5K | $2.75 | Nov 21, 2022 |
| Gagnon Neil | 10% Owner | BUY | $50K–$100K | 23K | $2.66 | Nov 17, 2022 |
| Gagnon Neil | 10% Owner | BUY | $1K–$15K | 6K | $1.70 | Sep 27, 2022 |
| Gagnon Neil | 10% Owner | BUY | <$1K | 450 | $1.65 | Sep 26, 2022 |
| Gagnon Neil | 10% Owner | BUY | $15K–$50K | 10K | $1.80 | Sep 21, 2022 |
| Gagnon Neil | 10% Owner | BUY | $1K–$15K | 1K | $1.80 | Sep 15, 2022 |
| Gagnon Neil | 10% Owner | BUY | <$1K | 100 | $2.00 | Sep 6, 2022 |
| Gagnon Neil | 10% Owner | BUY | $1K–$15K | 722 | $1.86 | Aug 30, 2022 |
| Gagnon Neil | 10% Owner | BUY | <$1K | 72 | $1.65 | Aug 29, 2022 |
| Gagnon Neil | 10% Owner | BUY | $1K–$15K | 1K | $1.65 | Aug 24, 2022 |
| Gagnon Neil | 10% Owner | BUY | $15K–$50K | 16K | $1.72 | Aug 17, 2022 |
| Winemaster Gary S | 10% Owner | SELL | <$1K | 310 | $3.06 | Feb 17, 2022 |
| Gagnon Neil | 10% Owner | BUY | $1K–$15K | 3K | $2.75 | Feb 8, 2022 |
| Gagnon Neil | 10% Owner | BUY | $1K–$15K | 408 | $2.50 | Feb 2, 2022 |
| Winemaster Gary S | 10% Owner | SELL | $1K–$15K | 383 | $3.09 | Jan 19, 2022 |
| Winemaster Gary S | 10% Owner | SELL | $15K–$50K | 5K | $3.00 | Jan 11, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 157 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 443K | $1M+ | SH |
| Situational Awareness LP | 432K | $1M+ | SH |
| ANTIPODES PARTNERS Ltd | 228K | $1M+ | SH |
| Busey Bank | 220K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 197K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 168K | $1M+ | SH |
| STATE STREET CORP | 165K | $1M+ | SH |
| Hel Ved Capital Management Ltd | 108K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 108K | $1M+ | SH |
| RAYMOND JAMES FINANCIAL INC | 104K | $1M+ | SH |
| Beacon Harbor Wealth Advisors, Inc. | 103K | $1M+ | SH |
| NAVELLIER & ASSOCIATES INC | 102K | $1M+ | SH |
| LPL Financial LLC | 87K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 81K | $1M+ | SH |
| VICTORY CAPITAL MANAGEMENT INC | 76K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 75K | $1M+ | SH |
| Point72 Asset Management, L.P. | 72K | $1M+ | SH |
| SEI INVESTMENTS CO | 62K | $1M+ | SH |
| Independent Advisor Alliance | 54K | $1M+ | SH |
| Cambridge Investment Research Advisors, Inc. | 42K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Sep 22, 2025
6.3%
1.5M shares
SC 13D/A · Aug 28, 2025
46.5%
10.7M shares
SC 13D/A · Aug 25, 2025
47.5%
10.9M shares
SC 13D/A · Aug 19, 2025
48.7%
11.2M shares
SC 13D/A · Aug 15, 2025
49.8%
11.5M shares
SC 13D/A · Aug 7, 2025
8.4%
1.9M shares
SC 13D/A · Apr 23, 2025
9.5%
2.2M shares
SC 13G/A · Feb 14, 2025
5.0%
1.1M shares
SC 13G/A · Jan 23, 2025
7.3%
1.7M shares
SC 13G/A · Jan 23, 2025
7.3%
1.7M shares
SC 13G/A · Feb 13, 2024
6.1%
1.4M shares
SC 13D/A · Aug 7, 2023
14.5%
3.3M shares
SC 13G/A · Feb 1, 2022
5.7%
1.3M shares
SC 13G/A · Jan 12, 2022
5.7%
1.3M shares