Power Solutions International, Inc.
PSIX- Exchange
- Nasdaq
- Industry
- Engines & Turbines
- SEC CIK
- 0001137091
No open-market purchases or sales by Power Solutions International, Inc. insiders were filed in the last 90 days; 157 institutions reported holding it in 13F filings for Q2 2026, worth $328.5M in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in Power Solutions International, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 66
- +35 vs. Q4 2024
- Shares held
- 3.17M
- +856.3K (+37.1%) vs. Q4 2024
- Total value
- $80.1M
- +$11.4M (+16.6%) vs. Q4 2024
- New holders
- 40
- 15 more added
- Sold out
- 5
- 8 more reduced
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PSIX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 157 | $328.5M |
| Q1 2026 | 204 | $445.5M |
| Q4 2025 | 195 | $393.2M |
| Q3 2025 | 203 | $533.2M |
| Q2 2025 | 126 | $226.2M |
| Q1 2025 | 66 | $80.1M |
| Q4 2024 | 31 | $68.7M |
| Q3 2024 | 4 | $46.8M |
| Q2 2024 | 4 | $17.4M |
| Q1 2024 | 4 | $6.14M |
| Q4 2023 | 4 | $5.40M |
| Q3 2023 | 4 | $8.66M |
| Q2 2023 | 4 | $7.47M |
| Q1 2023 | 4 | $6.87M |
| Q4 2022 | 4 | $8.10M |
| Q3 2022 | 4 | $4.47M |
| Q2 2022 | 4 | $4.37M |
| Q1 2022 | 4 | $7.87M |
| Q4 2021 | 4 | $7.49M |
| Q3 2021 | 4 | $9.95M |
| Q2 2021 | 4 | $15.2M |
| Q1 2021 | 4 | $18.3M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Power Solutions International, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gagnon Securities LLC | 525,291 | $13.3M | 2.92% | −324,855−38.2% | Reduced |
| Gagnon Advisors, LLC | 323,484 | $8.18M | 5.77% | −146,681−31.2% | Reduced |
| Portolan Capital Management, LLC | 296,442 | $7.49M | 0.57% | −44,845−13.1% | Reduced |
| Vanguard Group Inc | 274,693 | $6.94M | 0.00% | +274,693 | New |
| Marshall Wace, LLP | 263,124 | $6.65M | 0.01% | +191,536+267.6% | Added |
| S Squared Technology, LLC | 163,034 | $4.12M | 2.11% | −130,000−44.4% | Reduced |
| Susquehanna International Group, LLP | 107,427 | $2.72M | 0.00% | +107,427 | New |
| Citadel Advisors LLC | 105,774 | $2.67M | 0.00% | +93,462+759.1% | Added |
| BlackRock, Inc. | 96,947 | $2.45M | 0.00% | +95,420+6,248.9% | Added |
| O'Shaughnessy Asset Management, LLC | 80,570 | $2.04M | 0.02% | +7,702+10.6% | Added |
| Geode Capital Management, LLC | 76,349 | $1.93M | 0.00% | +76,349 | New |
| Millennium Management LLC | 58,200 | $1.47M | 0.00% | +58,200 | New |
| Two Sigma Investments, LP | 54,261 | $1.37M | 0.00% | +54,261 | New |
| Navellier & Associates Inc | 39,666 | $1.10M | 0.15% | +39,666 | New |
| Valiant Capital Management, L.P. | 43,605 | $1.10M | 0.12% | +8,155+23.0% | Added |
| Independent Advisor Alliance | 42,940 | $1.09M | 0.04% | +42,940 | New |
| Ritholtz Wealth Management | 39,855 | $1.01M | 0.03% | +39,855 | New |
| Corsair Capital Management, L.P. | 36,767 | $929.5K | 0.24% | +20,767+129.8% | Added |
| Burney Co | 33,890 | $856.7K | 0.03% | +33,890 | New |
| Charles Schwab Investment Management Inc | 30,945 | $782.3K | 0.00% | +30,945 | New |
| Squarepoint Ops LLC | 30,713 | $776.4K | 0.00% | +30,713 | New |
| Militia Capital Partners, LP | 27,000 | $682.6K | 0.28% | +27,000 | New |
| Man Group plc | 24,835 | $627.8K | 0.00% | +24,835 | New |
| Raymond James Financial Inc | 24,729 | $625.1K | 0.00% | +24,729 | New |
| Goldman Sachs Group Inc | 24,717 | $624.8K | 0.00% | +24,717 | New |
| Advisor Group Holdings, Inc. | 22,122 | $559.2K | 0.00% | +19,317+688.7% | Added |
| Thoroughbred Financial Services, LLC | 21,783 | $550.0K | 0.03% | +11,350+108.8% | Added |
| MML Investors Services, LLC | 21,081 | $533.0K | 0.00% | +6,819+47.8% | Added |
| LPL Financial LLC | 20,900 | $528.4K | 0.00% | +20,900 | New |
| Two Sigma Advisers, LP | 20,800 | $525.8K | 0.00% | +20,800 | New |
| Cetera Investment Advisers | 20,403 | $515.8K | 0.00% | +20,403 | New |
| Wells Fargo & Company | 20,145 | $509.3K | 0.00% | +19,045+1,731.4% | Added |
| Morgan Stanley | 18,508 | $467.9K | 0.00% | +14,206+330.2% | Added |
| Manatuck Hill Partners, LLC | 17,449 | $441.1K | 0.20% | −3,401−16.3% | Reduced |
| Perritt Capital Management Inc | 15,000 | $379.2K | 0.21% | 00.0% | Unchanged |
| Virtu Financial LLC | 14,864 | $376.0K | 0.02% | +14,864 | New |
| Tudor Investment Corp Et Al | 12,347 | $312.1K | 0.00% | +12,347 | New |
| State Street Corp | 12,100 | $305.9K | 0.00% | +12,100 | New |
| Northern Trust Corp | 11,133 | $281.4K | 0.00% | +11,133 | New |
| Balyasny Asset Management LLC | 10,868 | $274.7K | 0.00% | +10,868 | New |
| D.A. Davidson & Co. | 10,150 | $256.6K | 0.00% | +10,150 | New |
| World Equity Group, Inc. | 9,395 | $237.5K | 0.07% | −8,399−47.2% | Reduced |
| Dimensional Fund Advisors LP | 9,070 | $229.3K | 0.00% | +9,070 | New |
| Omers Administration Corp | 8,800 | $222.5K | 0.00% | +8,800 | New |
| EntryPoint Capital, LLC | 8,119 | $205.2K | 0.09% | +8,119 | New |
| Northwestern Mutual Wealth Management Co | 7,957 | $201.2K | 0.00% | +7+0.1% | Added |
| Spire Wealth Management | 5,984 | $151.3K | 0.00% | +2,741+84.5% | Added |
| Bank of America Corp | 4,595 | $116.2K | 0.00% | +4,253+1,243.6% | Added |
| Acadian Asset Management LLC | 4,469 | $112.0K | 0.00% | +4,469 | New |
| Royal Bank of Canada | 2,336 | $59.0K | 0.00% | +2,336 | New |
| JPMorgan Chase & Co | 2,276 | $57.5K | 0.00% | +2,276 | New |
| Citigroup Inc | 1,217 | $30.8K | 0.00% | −5,433−81.7% | Reduced |
| Vestcor Inc | 1,137 | $29.0K | 0.00% | +1,137 | New |
| Tower Research Capital LLC (TRC) | 949 | $24.0K | 0.00% | +924+3,696.0% | Added |
| Farther Finance Advisors, LLC | 878 | $22.8K | 0.00% | +878 | New |
| Principal Securities, Inc. | 705 | $21.0K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 800 | $20.2K | 0.00% | +800 | New |
| GWM Advisors LLC | 725 | $18.3K | 0.00% | +725 | New |
| Jones Financial Companies LLLP | 275 | $7.20K | 0.00% | +275 | New |
| Creative Financial Designs Inc | 200 | $5.06K | 0.00% | +200 | New |
| West Paces Advisors Inc. | 85 | $2.15K | 0.00% | +85 | New |
| Stone House Investment Management, LLC | 65 | $1.64K | 0.00% | +65 | New |
| Larson Financial Group LLC | 40 | $1.01K | 0.00% | +40 | New |
| Quadrant Capital Group LLC | 18 | $456 | 0.00% | +18 | New |
| US Bancorp | 2 | $51 | 0.00% | −64−97.0% | Reduced |
| Huntington National Bank | 1 | $25 | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −15,300−100.0% | Sold out |
| Astoria Portfolio Advisors LLC. | 0 | $0 | 0.00% | −7,277−100.0% | Sold out |
| Thompson Davis & Co., Inc. | 0 | $0 | 0.00% | −8,450−100.0% | Sold out |
| Evernest Financial Advisors, LLC | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −300−100.0% | Sold out |