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 | $535.2M |
| Q2 2025 | 126 | $226.4M |
| 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 551,584 | $54.2M | 0.00% | +44,617+8.8% | Added |
| Vanguard Group Inc | 502,381 | $49.3M | 0.00% | +140,743+38.9% | Added |
| Arrowstreet Capital, Limited Partnership | 325,085 | $31.9M | 0.02% | +251,883+344.1% | Added |
| Busey Wealth Management | 220,000 | $21.6M | 0.60% | +220,000 | New |
| Morgan Stanley | 197,540 | $19.4M | 0.00% | +146,132+284.3% | Added |
| Portolan Capital Management, LLC | 195,804 | $19.2M | 1.04% | +195,804 | New |
| Allspring Global Investments Holdings, LLC | 206,089 | $19.0M | 0.03% | +206,089 | New |
| Geode Capital Management, LLC | 168,908 | $16.6M | 0.00% | +14,525+9.4% | Added |
| Susquehanna International Group, LLP | 138,448 | $13.6M | 0.02% | +130,262+1,591.3% | Added |
| State Street Corp | 136,677 | $13.4M | 0.00% | +58,357+74.5% | Added |
| Driehaus Capital Management LLC | 134,502 | $13.2M | 0.09% | +134,502 | New |
| Renaissance Technologies LLC | 106,498 | $10.5M | 0.01% | +50,102+88.8% | Added |
| Invesco Ltd. | 100,478 | $9.87M | 0.00% | +96,510+2,432.2% | Added |
| Raymond James Financial Inc | 90,639 | $8.90M | 0.00% | +22,725+33.5% | Added |
| LPL Financial LLC | 86,142 | $8.46M | 0.00% | +40,235+87.6% | Added |
| Citadel Advisors LLC | 83,686 | $8.22M | 0.01% | +9,140+12.3% | Added |
| Charles Schwab Investment Management Inc | 69,392 | $6.82M | 0.00% | +21,882+46.1% | Added |
| Hel Ved Capital Management Ltd | 68,720 | $6.75M | 3.66% | +68,720 | New |
| Northern Trust Corp | 64,869 | $6.37M | 0.00% | +17,040+35.6% | Added |
| Gagnon Securities LLC | 64,770 | $6.36M | 1.28% | −276,841−81.0% | Reduced |
| Navellier & Associates Inc | 64,160 | $6.30M | 0.64% | +20,557+47.1% | Added |
| Kadensa Capital Ltd | 59,710 | $5.86M | 0.60% | +59,710 | New |
| Independent Advisor Alliance | 54,475 | $5.35M | 0.14% | −70−0.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 53,804 | $5.28M | 0.03% | −25,187−31.9% | Reduced |
| Two Sigma Investments, LP | 52,769 | $5.18M | 0.01% | −57,303−52.1% | Reduced |
| EAM Investors, LLC | 51,698 | $5.00M | 0.57% | +5,268+11.3% | Added |
| Point72 Asset Management, L.P. | 48,624 | $4.78M | 0.01% | +48,624 | New |
| Victory Capital Management Inc | 48,572 | $4.77M | 0.00% | +48,572 | New |
| Lazard Asset Management LLC | 47,461 | $4.66M | 0.01% | +1,559+3.4% | Added |
| Mercuria Capital Strategies, LLC | 46,490 | $4.57M | 6.02% | +46,490 | New |
| SEI Investments Co | 42,933 | $4.22M | 0.00% | +37,537+695.6% | Added |
| Acadian Asset Management LLC | 41,184 | $4.04M | 0.01% | +30,970+303.2% | Added |
| Advisor Group Holdings, Inc. | 45,656 | $3.85M | 0.01% | +897+2.0% | Added |
| Cubist Systematic Strategies, LLC | 39,035 | $3.83M | 0.05% | +39,035 | New |
| Valiant Capital Management, L.P. | 38,926 | $3.82M | 0.35% | −21,579−35.7% | Reduced |
| Goldman Sachs Group Inc | 37,452 | $3.68M | 0.00% | −24,679−39.7% | Reduced |
| Cetera Investment Advisers | 36,569 | $3.59M | 0.00% | +14,591+66.4% | Added |
| Wells Fargo & Company | 35,588 | $3.50M | 0.00% | −69,908−66.3% | Reduced |
| Ameriprise Financial Inc | 35,008 | $3.44M | 0.00% | +35,008 | New |
| MML Investors Services, LLC | 34,279 | $3.37M | 0.01% | +4,246+14.1% | Added |
| Franklin Resources Inc | 34,210 | $3.36M | 0.00% | +34,210 | New |
| Corsair Capital Management, L.P. | 30,635 | $3.01M | 0.53% | +5,000+19.5% | Added |
| Millennium Management LLC | 29,879 | $2.93M | 0.00% | −10,984−26.9% | Reduced |
| Ritholtz Wealth Management | 29,137 | $2.86M | 0.06% | −11,736−28.7% | Reduced |
| Burney Co | 27,227 | $2.67M | 0.09% | −11,911−30.4% | Reduced |
| Thoroughbred Financial Services, LLC | 24,437 | $2.40M | 0.15% | +636+2.7% | Added |
| Dimensional Fund Advisors LP | 22,380 | $2.20M | 0.00% | +12,732+132.0% | Added |
| Verition Fund Management LLC | 21,527 | $2.11M | 0.01% | +3,154+17.2% | Added |
| De Lisle Partners LLP | 21,000 | $2.06M | 0.25% | +21,000 | New |
| Alliancebernstein L.P. | 19,540 | $1.92M | 0.00% | +15,040+334.2% | Added |
| Jane Street Group, LLC | 19,463 | $1.91M | 0.00% | +16,358+526.8% | Added |
| Credit Agricole S A | 18,800 | $1.85M | 0.01% | +18,800 | New |
| AQR Capital Management LLC | 18,424 | $1.81M | 0.00% | +18,424 | New |
| Cambridge Investment Research Advisors, Inc. | 18,138 | $1.78M | 0.00% | +14,066+345.4% | Added |
| Two Sigma Advisers, LP | 17,600 | $1.73M | 0.00% | −27,200−60.7% | Reduced |
| Gotham Asset Management, LLC | 16,677 | $1.64M | 0.01% | −1,578−8.6% | Reduced |
| Twinbeech Capital LP | 16,302 | $1.60M | 0.06% | +16,302 | New |
| Westbourne Investments, Inc. | 18,660 | $1.60M | 0.76% | +18,660 | New |
| Principal Financial Group Inc | 16,172 | $1.59M | 0.00% | +16,172 | New |
| Nuveen, LLC | 15,751 | $1.55M | 0.00% | +1,423+9.9% | Added |
| Bank of New York Mellon Corp | 15,365 | $1.51M | 0.00% | +1,804+13.3% | Added |
| Clear Creek Financial Management, LLC | 14,777 | $1.45M | 0.13% | +1,966+15.3% | Added |
| Russell Investments Group, Ltd. | 14,776 | $1.45M | 0.00% | +655+4.6% | Added |
| World Equity Group, Inc. | 14,688 | $1.44M | 0.33% | +436+3.1% | Added |
| Voleon Capital Management LP | 13,608 | $1.34M | 0.03% | +13,608 | New |
| Man Group plc | 13,525 | $1.33M | 0.00% | +13,525 | New |
| Swiss National Bank | 13,400 | $1.32M | 0.00% | +13,400 | New |
| Stephens Inc | 12,635 | $1.24M | 0.02% | +12,635 | New |
| Verde Servicos Internacionais S.A. | 12,172 | $1.20M | 0.34% | +12,172 | New |
| Creative Planning | 10,819 | $1.06M | 0.00% | +196+1.8% | Added |
| Barclays PLC | 10,480 | $1.03M | 0.00% | −2,704−20.5% | Reduced |
| Militia Capital Partners, LP | 10,000 | $982.2K | 0.46% | +10,000 | New |
| Point72 Hong Kong Ltd | 9,982 | $980.4K | 0.05% | +9,982 | New |
| Schonfeld Strategic Advisors LLC | 9,954 | $977.7K | 0.01% | +9,954 | New |
| Graham Capital Management, L.P. | 9,890 | $971.4K | 0.04% | +9,890 | New |
| Sierra Summit Advisors LLC | 9,752 | $957.8K | 0.15% | +9,752 | New |
| Commonwealth Equity Services, LLC | 9,633 | $946.0K | 0.00% | −2,474−20.4% | Reduced |
| Bank of America Corp | 9,565 | $939.5K | 0.00% | +5,696+147.2% | Added |
| Engineers Gate Manager LP | 9,112 | $895.0K | 0.01% | +9,112 | New |
| Rhumbline Advisers | 9,085 | $892.3K | 0.00% | −350−3.7% | Reduced |
| Entropy Technologies, LP | 8,800 | $864.3K | 0.06% | +5,300+151.4% | Added |
| Virtu Financial LLC | 8,597 | $844.0K | 0.05% | +3,281+61.7% | Added |
| Perigon Wealth Management, LLC | 8,540 | $838.8K | 0.02% | +3,561+71.5% | Added |
| Omers Administration Corp | 8,300 | $815.2K | 0.01% | −3,500−29.7% | Reduced |
| Scientech Research LLC | 8,121 | $797.6K | 0.28% | +8,121 | New |
| Wolverine Trading, LLC | 7,625 | $786.0K | 0.02% | +7,625 | New |
| D.A. Davidson & Co. | 7,848 | $770.8K | 0.00% | −3,832−32.8% | Reduced |
| Picton Mahoney Asset Management | 7,480 | $735.0K | 0.01% | +7,480 | New |
| Algert Global LLC | 7,460 | $732.7K | 0.01% | +7,460 | New |
| Royal Bank of Canada | 7,257 | $713.0K | 0.00% | +3,581+97.4% | Added |
| Legal & General Group Plc | 6,943 | $681.9K | 0.00% | +1,358+24.3% | Added |
| GK Wealth Management LLC | 6,881 | $675.9K | 0.50% | +1,796+35.3% | Added |
| Advisory Services Network, LLC | 6,776 | $665.5K | 0.01% | +3,224+90.8% | Added |
| Vestcor Inc | 6,741 | $662.0K | 0.02% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 6,675 | $655.6K | 0.08% | +6,675 | New |
| California State Teachers Retirement System | 6,372 | $625.9K | 0.00% | +5,963+1,457.9% | Added |
| Squarepoint Ops LLC | 6,335 | $622.2K | 0.00% | +6,335 | New |
| Astoria Portfolio Advisors LLC. | 6,399 | $562.5K | 0.15% | +11+0.2% | Added |
| Independent Financial Group, LLC | 5,193 | $510.1K | 0.01% | +5,193 | New |
| Aviva PLC | 5,183 | $509.1K | 0.00% | +5,183 | New |