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, Q4 2025
Institutional positions in Power Solutions International, Inc. as of Dec 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
- 195
- −5 vs. Q3 2025
- Shares held
- 6.85M
- +1.46M (+27.0%) vs. Q3 2025
- Total value
- $393.2M
- −$134.4M (−25.5%) vs. Q3 2025
- New holders
- 54
- 93 more added
- Sold out
- 59
- 30 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding Power Solutions International, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −41,184−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −19,463−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −17,600−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −16,302−100.0% | Sold out |
| Westbourne Investments, Inc. | 0 | $0 | 0.00% | −18,660−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −13,608−100.0% | Sold out |
| Militia Capital Partners, LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −9,954−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −9,890−100.0% | Sold out |
| Sierra Summit Advisors LLC | 0 | $0 | 0.00% | −9,752−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −8,800−100.0% | Sold out |
| Perigon Wealth Management, LLC | 0 | $0 | 0.00% | −8,540−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −8,300−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −8,121−100.0% | Sold out |
| D.A. Davidson & Co. | 0 | $0 | 0.00% | −7,848−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −6,675−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −6,335−100.0% | Sold out |
| Independent Financial Group, LLC | 0 | $0 | 0.00% | −5,193−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −5,183−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −4,677−100.0% | Sold out |
| Aviance Capital Partners, LLC | 0 | $0 | 0.00% | −4,600−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −4,581−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −4,233−100.0% | Sold out |
| Benjamin Edwards Inc | 0 | $0 | 0.00% | −3,743−100.0% | Sold out |
| Rathbone Brothers plc | 0 | $0 | 0.00% | −3,695−100.0% | Sold out |
| Perbak Capital Partners LLP | 0 | $0 | 0.00% | −3,666−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −3,600−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −3,253−100.0% | Sold out |
| Commerce Bank | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −2,963−100.0% | Sold out |
| Mutual Advisors, LLC | 0 | $0 | 0.00% | −3,577−100.0% | Sold out |
| Baron Wealth Management LLC | 0 | $0 | 0.00% | −2,909−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −2,903−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −2,881−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −2,727−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −2,637−100.0% | Sold out |
| Cornerstone Wealth Management, LLC | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Cadence Wealth Management LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Savvy Advisors, Inc. | 0 | $0 | 0.00% | −2,466−100.0% | Sold out |
| Thompson Davis & Co., Inc. | 0 | $0 | 0.00% | −2,400−100.0% | Sold out |
| Arizona State Retirement System | 0 | $0 | 0.00% | −2,037−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −1,989−100.0% | Sold out |
| Comprehensive Financial Planning, Inc. | 0 | $0 | 0.00% | −1,899−100.0% | Sold out |
| MeadowBrook Investment Advisors LLC | 0 | $0 | 0.00% | −1,405−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −464−100.0% | Sold out |
| Wolff Wiese Magana LLC | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −239−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Bogart Wealth, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Hong Kong Ltd | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |