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, Q3 2025
Institutional positions in Power Solutions International, Inc. as of Sep 30, 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
- 203
- +78 vs. Q2 2025
- Shares held
- 5.45M
- +1.97M (+56.4%) vs. Q2 2025
- Total value
- $533.2M
- +$307.4M (+136.1%) vs. Q2 2025
- New holders
- 91
- 65 more added
- Sold out
- 13
- 32 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Power Solutions International, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Group One Trading, L.P. | 4,981 | $489.2K | 0.01% | +4,981 | New |
| Perritt Capital Management Inc | 5,000 | $491.1K | 0.23% | −9,420−65.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 5,077 | $498.7K | 0.00% | +5,077 | New |
| Aviva PLC | 5,183 | $509.1K | 0.00% | +5,183 | New |
| Independent Financial Group, LLC | 5,193 | $510.1K | 0.01% | +5,193 | New |
| Astoria Portfolio Advisors LLC. | 6,399 | $562.5K | 0.15% | +11+0.2% | Added |
| Squarepoint Ops LLC | 6,335 | $622.2K | 0.00% | +6,335 | New |
| California State Teachers Retirement System | 6,372 | $625.9K | 0.00% | +5,963+1,457.9% | Added |
| Occudo Quantitative Strategies LP | 6,675 | $655.6K | 0.08% | +6,675 | New |
| Vestcor Inc | 6,741 | $662.0K | 0.02% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 6,776 | $665.5K | 0.01% | +3,224+90.8% | Added |
| GK Wealth Management LLC | 6,881 | $675.9K | 0.50% | +1,796+35.3% | Added |
| Legal & General Group Plc | 6,943 | $681.9K | 0.00% | +1,358+24.3% | Added |
| Royal Bank of Canada | 7,257 | $713.0K | 0.00% | +3,581+97.4% | Added |
| Algert Global LLC | 7,460 | $732.7K | 0.01% | +7,460 | New |
| Picton Mahoney Asset Management | 7,480 | $735.0K | 0.01% | +7,480 | New |
| D.A. Davidson & Co. | 7,848 | $770.8K | 0.00% | −3,832−32.8% | Reduced |
| Wolverine Trading, LLC | 7,625 | $786.0K | 0.02% | +7,625 | New |
| Scientech Research LLC | 8,121 | $797.6K | 0.28% | +8,121 | New |
| Omers Administration Corp | 8,300 | $815.2K | 0.01% | −3,500−29.7% | Reduced |
| Perigon Wealth Management, LLC | 8,540 | $838.8K | 0.02% | +3,561+71.5% | Added |
| Virtu Financial LLC | 8,597 | $844.0K | 0.05% | +3,281+61.7% | Added |
| Entropy Technologies, LP | 8,800 | $864.3K | 0.06% | +5,300+151.4% | Added |
| Rhumbline Advisers | 9,085 | $892.3K | 0.00% | −350−3.7% | Reduced |
| Engineers Gate Manager LP | 9,112 | $895.0K | 0.01% | +9,112 | New |
| Bank of America Corp | 9,565 | $939.5K | 0.00% | +5,696+147.2% | Added |
| Commonwealth Equity Services, LLC | 9,633 | $946.0K | 0.00% | −2,474−20.4% | Reduced |
| Sierra Summit Advisors LLC | 9,752 | $957.8K | 0.15% | +9,752 | New |
| Graham Capital Management, L.P. | 9,890 | $971.4K | 0.04% | +9,890 | New |
| Schonfeld Strategic Advisors LLC | 9,954 | $977.7K | 0.01% | +9,954 | New |
| Point72 Hong Kong Ltd | 9,982 | $980.4K | 0.05% | +9,982 | New |
| Militia Capital Partners, LP | 10,000 | $982.2K | 0.46% | +10,000 | New |
| Barclays PLC | 10,480 | $1.03M | 0.00% | −2,704−20.5% | Reduced |
| Creative Planning | 10,819 | $1.06M | 0.00% | +196+1.8% | Added |
| Verde Servicos Internacionais S.A. | 12,172 | $1.20M | 0.34% | +12,172 | New |
| Stephens Inc | 12,635 | $1.24M | 0.02% | +12,635 | New |
| Swiss National Bank | 13,400 | $1.32M | 0.00% | +13,400 | New |
| Man Group plc | 13,525 | $1.33M | 0.00% | +13,525 | New |
| Voleon Capital Management LP | 13,608 | $1.34M | 0.03% | +13,608 | New |
| World Equity Group, Inc. | 14,688 | $1.44M | 0.33% | +436+3.1% | Added |
| Russell Investments Group, Ltd. | 14,776 | $1.45M | 0.00% | +655+4.6% | Added |
| Clear Creek Financial Management, LLC | 14,777 | $1.45M | 0.13% | +1,966+15.3% | Added |
| Bank of New York Mellon Corp | 15,365 | $1.51M | 0.00% | +1,804+13.3% | Added |
| Nuveen, LLC | 15,751 | $1.55M | 0.00% | +1,423+9.9% | Added |
| Principal Financial Group Inc | 16,172 | $1.59M | 0.00% | +16,172 | New |
| Westbourne Investments, Inc. | 18,660 | $1.60M | 0.76% | +18,660 | New |
| Twinbeech Capital LP | 16,302 | $1.60M | 0.06% | +16,302 | New |
| Gotham Asset Management, LLC | 16,677 | $1.64M | 0.01% | −1,578−8.6% | Reduced |
| Two Sigma Advisers, LP | 17,600 | $1.73M | 0.00% | −27,200−60.7% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 18,138 | $1.78M | 0.00% | +14,066+345.4% | Added |
| AQR Capital Management LLC | 18,424 | $1.81M | 0.00% | +18,424 | New |
| Credit Agricole S A | 18,800 | $1.85M | 0.01% | +18,800 | New |
| Jane Street Group, LLC | 19,463 | $1.91M | 0.00% | +16,358+526.8% | Added |
| Alliancebernstein L.P. | 19,540 | $1.92M | 0.00% | +15,040+334.2% | Added |
| De Lisle Partners LLP | 21,000 | $2.06M | 0.25% | +21,000 | New |
| Verition Fund Management LLC | 21,527 | $2.11M | 0.01% | +3,154+17.2% | Added |
| Dimensional Fund Advisors LP | 22,380 | $2.20M | 0.00% | +12,732+132.0% | Added |
| Thoroughbred Financial Services, LLC | 24,437 | $2.40M | 0.15% | +636+2.7% | Added |
| Burney Co | 27,227 | $2.67M | 0.09% | −11,911−30.4% | Reduced |
| Ritholtz Wealth Management | 29,137 | $2.86M | 0.06% | −11,736−28.7% | Reduced |
| Millennium Management LLC | 29,879 | $2.93M | 0.00% | −10,984−26.9% | Reduced |
| Corsair Capital Management, L.P. | 30,635 | $3.01M | 0.53% | +5,000+19.5% | Added |
| Franklin Resources Inc | 34,210 | $3.36M | 0.00% | +34,210 | New |
| MML Investors Services, LLC | 34,279 | $3.37M | 0.01% | +4,246+14.1% | Added |
| Ameriprise Financial Inc | 35,008 | $3.44M | 0.00% | +35,008 | New |
| Wells Fargo & Company | 35,588 | $3.50M | 0.00% | −69,908−66.3% | Reduced |
| Cetera Investment Advisers | 36,569 | $3.59M | 0.00% | +14,591+66.4% | Added |
| Goldman Sachs Group Inc | 37,452 | $3.68M | 0.00% | −24,679−39.7% | Reduced |
| Valiant Capital Management, L.P. | 38,926 | $3.82M | 0.35% | −21,579−35.7% | Reduced |
| Cubist Systematic Strategies, LLC | 39,035 | $3.83M | 0.05% | +39,035 | New |
| Advisor Group Holdings, Inc. | 45,656 | $3.85M | 0.01% | +897+2.0% | Added |
| Acadian Asset Management LLC | 41,184 | $4.04M | 0.01% | +30,970+303.2% | Added |
| SEI Investments Co | 42,933 | $4.22M | 0.00% | +37,537+695.6% | Added |
| Mercuria Capital Strategies, LLC | 46,490 | $4.57M | 6.02% | +46,490 | New |
| Lazard Asset Management LLC | 47,461 | $4.66M | 0.01% | +1,559+3.4% | Added |
| Victory Capital Management Inc | 48,572 | $4.77M | 0.00% | +48,572 | New |
| Point72 Asset Management, L.P. | 48,624 | $4.78M | 0.01% | +48,624 | New |
| EAM Investors, LLC | 51,698 | $5.00M | 0.57% | +5,268+11.3% | Added |
| Two Sigma Investments, LP | 52,769 | $5.18M | 0.01% | −57,303−52.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 53,804 | $5.28M | 0.03% | −25,187−31.9% | Reduced |
| Independent Advisor Alliance | 54,475 | $5.35M | 0.14% | −70−0.1% | Reduced |
| Kadensa Capital Ltd | 59,710 | $5.86M | 0.60% | +59,710 | New |
| Navellier & Associates Inc | 64,160 | $6.30M | 0.64% | +20,557+47.1% | Added |
| Gagnon Securities LLC | 64,770 | $6.36M | 1.28% | −276,841−81.0% | Reduced |
| Northern Trust Corp | 64,869 | $6.37M | 0.00% | +17,040+35.6% | Added |
| Hel Ved Capital Management Ltd | 68,720 | $6.75M | 3.66% | +68,720 | New |
| Charles Schwab Investment Management Inc | 69,392 | $6.82M | 0.00% | +21,882+46.1% | Added |
| Citadel Advisors LLC | 83,686 | $8.22M | 0.01% | +9,140+12.3% | Added |
| LPL Financial LLC | 86,142 | $8.46M | 0.00% | +40,235+87.6% | Added |
| Raymond James Financial Inc | 90,639 | $8.90M | 0.00% | +22,725+33.5% | Added |
| Invesco Ltd. | 100,478 | $9.87M | 0.00% | +96,510+2,432.2% | Added |
| Renaissance Technologies LLC | 106,498 | $10.5M | 0.01% | +50,102+88.8% | Added |
| Driehaus Capital Management LLC | 134,502 | $13.2M | 0.09% | +134,502 | New |
| State Street Corp | 136,677 | $13.4M | 0.00% | +58,357+74.5% | Added |
| Susquehanna International Group, LLP | 138,448 | $13.6M | 0.02% | +130,262+1,591.3% | Added |
| Geode Capital Management, LLC | 168,908 | $16.6M | 0.00% | +14,525+9.4% | Added |
| Allspring Global Investments Holdings, LLC | 206,089 | $19.0M | 0.03% | +206,089 | New |
| Portolan Capital Management, LLC | 195,804 | $19.2M | 1.04% | +195,804 | New |
| Morgan Stanley | 197,540 | $19.4M | 0.00% | +146,132+284.3% | Added |
| Busey Wealth Management | 220,000 | $21.6M | 0.60% | +220,000 | New |