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 |
|---|---|---|---|---|---|
| State of Alaska, Department of Revenue | 7,654 | $437.0K | 0.00% | +6,648+660.8% | Added |
| Invesco Ltd. | 7,782 | $444.7K | 0.00% | −92,696−92.3% | Reduced |
| Bay Rivers Group | 7,786 | $444.9K | 0.18% | +3,056+64.6% | Added |
| Legal & General Group Plc | 8,517 | $486.7K | 0.00% | +1,574+22.7% | Added |
| Winton Group Ltd | 8,743 | $499.6K | 0.02% | +8,743 | New |
| California State Teachers Retirement System | 8,802 | $502.9K | 0.00% | +2,430+38.1% | Added |
| Freestone Grove Partners LP | 8,803 | $503.0K | 0.00% | +8,803 | New |
| Massachusetts Financial Services Co | 8,902 | $508.7K | 0.00% | +8,902 | New |
| Moran Wealth Management, LLC | 8,925 | $510.0K | 0.02% | +8,925 | New |
| Hennion & Walsh Asset Management, Inc. | 8,990 | $513.7K | 0.02% | +5,824+184.0% | Added |
| Fox Run Management, L.L.C. | 9,122 | $521.2K | 0.08% | +9,122 | New |
| Rhumbline Advisers | 9,183 | $524.7K | 0.00% | +98+1.1% | Added |
| BNP Paribas Arbitrage, SA | 9,270 | $529.7K | 0.00% | +7,982+619.7% | Added |
| Commonwealth Equity Services, LLC | 9,496 | $542.6K | 0.00% | −137−1.4% | Reduced |
| Credit Agricole S A | 9,500 | $542.8K | 0.00% | −9,300−49.5% | Reduced |
| GK Wealth Management LLC | 9,739 | $556.5K | 0.41% | +2,858+41.5% | Added |
| Janney Montgomery Scott LLC | 9,896 | $565.0K | 0.00% | +5,323+116.4% | Added |
| Astoria Portfolio Advisors LLC. | 6,712 | $593.6K | 0.14% | +313+4.9% | Added |
| Globeflex Capital L P | 10,399 | $594.2K | 0.09% | +8,499+447.3% | Added |
| Creative Planning | 10,658 | $609.0K | 0.00% | −161−1.5% | Reduced |
| UBS Asset Management Americas Inc | 10,767 | $615.2K | 0.00% | +7,767+258.9% | Added |
| Bank of America Corp | 11,095 | $634.0K | 0.00% | +1,530+16.0% | Added |
| Jacobs Levy Equity Management, Inc | 11,549 | $659.9K | 0.00% | +6,472+127.5% | Added |
| Virtu Financial LLC | 11,805 | $675.0K | 0.03% | +3,208+37.3% | Added |
| Stephens Inc | 12,000 | $685.7K | 0.01% | −635−5.0% | Reduced |
| Verde Servicos Internacionais S.A. | 12,172 | $696.0K | 0.22% | 00.0% | Unchanged |
| Algert Global LLC | 12,220 | $698.3K | 0.01% | +4,760+63.8% | Added |
| XTX Topco Ltd | 12,515 | $715.1K | 0.02% | +12,515 | New |
| Lazard Asset Management LLC | 12,606 | $720.3K | 0.00% | −34,855−73.4% | Reduced |
| Meeder Asset Management Inc | 12,691 | $725.2K | 0.04% | +7,711+154.8% | Added |
| Capital Fund Management S.A. | 14,861 | $849.2K | 0.01% | +14,861 | New |
| Russell Investments Group, Ltd. | 15,025 | $858.5K | 0.00% | +249+1.7% | Added |
| Clear Creek Financial Management, LLC | 15,443 | $882.4K | 0.07% | +666+4.5% | Added |
| World Equity Group, Inc. | 15,740 | $899.4K | 0.25% | +1,052+7.2% | Added |
| Citadel Advisors LLC | 16,333 | $933.3K | 0.00% | −67,353−80.5% | Reduced |
| IMC-Chicago, LLC | 16,436 | $939.2K | 0.02% | +16,436 | New |
| Nuveen, LLC | 16,572 | $946.9K | 0.00% | +821+5.2% | Added |
| Toroso Investments, LLC | 16,999 | $971.3K | 0.00% | +13,976+462.3% | Added |
| Gotham Asset Management, LLC | 18,179 | $1.04M | 0.00% | +1,502+9.0% | Added |
| Swiss National Bank | 18,200 | $1.04M | 0.00% | +4,800+35.8% | Added |
| Ritholtz Wealth Management | 18,729 | $1.07M | 0.02% | −10,408−35.7% | Reduced |
| Susquehanna International Group, LLP | 19,660 | $1.12M | 0.00% | −118,788−85.8% | Reduced |
| Platinum Investment Management Ltd | 20,000 | $1.14M | 0.26% | +20,000 | New |
| De Lisle Partners LLP | 21,000 | $1.20M | 0.15% | 00.0% | Unchanged |
| Corsair Capital Management, L.P. | 21,139 | $1.21M | 0.20% | −9,496−31.0% | Reduced |
| Cetera Investment Advisers | 21,616 | $1.24M | 0.00% | −14,953−40.9% | Reduced |
| Verition Fund Management LLC | 23,246 | $1.33M | 0.01% | +1,719+8.0% | Added |
| Principal Financial Group Inc | 24,260 | $1.39M | 0.00% | +8,088+50.0% | Added |
| Thoroughbred Financial Services, LLC | 24,896 | $1.42M | 0.08% | +459+1.9% | Added |
| Barclays PLC | 26,874 | $1.54M | 0.00% | +16,394+156.4% | Added |
| Man Group plc | 26,889 | $1.54M | 0.00% | +13,364+98.8% | Added |
| Alliancebernstein L.P. | 27,440 | $1.57M | 0.00% | +7,900+40.4% | Added |
| AQR Capital Management LLC | 29,825 | $1.70M | 0.00% | +11,401+61.9% | Added |
| O'Shaughnessy Asset Management, LLC | 30,229 | $1.73M | 0.01% | −23,575−43.8% | Reduced |
| Burney Co | 30,326 | $1.73M | 0.05% | +3,099+11.4% | Added |
| Franklin Resources Inc | 30,916 | $1.77M | 0.00% | −3,294−9.6% | Reduced |
| Advisor Group Holdings, Inc. | 31,299 | $1.79M | 0.00% | −14,357−31.4% | Reduced |
| Hussman Strategic Advisors, Inc. | 31,500 | $1.80M | 0.44% | +31,500 | New |
| MML Investors Services, LLC | 32,350 | $1.85M | 0.00% | −1,929−5.6% | Reduced |
| Bank of New York Mellon Corp | 34,671 | $1.98M | 0.00% | +19,306+125.6% | Added |
| Ameriprise Financial Inc | 38,036 | $2.17M | 0.00% | +3,028+8.6% | Added |
| Ruffer LLP | 38,063 | $2.18M | 0.10% | +38,063 | New |
| Valiant Capital Management, L.P. | 40,401 | $2.31M | 0.19% | +1,475+3.8% | Added |
| Cambridge Investment Research Advisors, Inc. | 42,004 | $2.40M | 0.01% | +23,866+131.6% | Added |
| Independent Advisor Alliance | 53,975 | $3.08M | 0.07% | −500−0.9% | Reduced |
| Two Sigma Investments, LP | 60,771 | $3.47M | 0.01% | +8,002+15.2% | Added |
| SEI Investments Co | 62,465 | $3.57M | 0.00% | +19,532+45.5% | Added |
| Point72 Asset Management, L.P. | 72,179 | $4.12M | 0.01% | +23,555+48.4% | Added |
| Adage Capital Partners GP, L.L.C. | 75,000 | $4.29M | 0.01% | +75,000 | New |
| Charles Schwab Investment Management Inc | 75,016 | $4.29M | 0.00% | +5,624+8.1% | Added |
| Wells Fargo & Company | 75,239 | $4.30M | 0.00% | +39,651+111.4% | Added |
| Victory Capital Management Inc | 75,868 | $4.34M | 0.00% | +27,296+56.2% | Added |
| Northern Trust Corp | 78,375 | $4.48M | 0.00% | +13,506+20.8% | Added |
| First Trust Advisors LP | 81,074 | $4.63M | 0.00% | +81,074 | New |
| LPL Financial LLC | 86,581 | $4.95M | 0.00% | +439+0.5% | Added |
| Millennium Management LLC | 94,658 | $5.41M | 0.00% | +64,779+216.8% | Added |
| Goldman Sachs Group Inc | 101,611 | $5.81M | 0.00% | +64,159+171.3% | Added |
| Navellier & Associates Inc | 101,729 | $5.81M | 0.65% | +37,569+58.6% | Added |
| Beacon Harbor Wealth Advisors, Inc. | 103,216 | $5.90M | 1.31% | +103,216 | New |
| Renaissance Technologies LLC | 107,898 | $6.17M | 0.01% | +1,400+1.3% | Added |
| Hel Ved Capital Management Ltd | 108,126 | $6.18M | 2.14% | +39,406+57.3% | Added |
| Raymond James Financial Inc | 109,548 | $6.26M | 0.00% | +18,909+20.9% | Added |
| Qube Research & Technologies Ltd | 114,249 | $6.53M | 0.01% | +114,249 | New |
| State Street Corp | 164,895 | $9.42M | 0.00% | +28,218+20.6% | Added |
| Morgan Stanley | 174,754 | $9.99M | 0.00% | −22,786−11.5% | Reduced |
| Geode Capital Management, LLC | 191,671 | $11.0M | 0.00% | +22,763+13.5% | Added |
| Dimensional Fund Advisors LP | 201,891 | $11.5M | 0.00% | +179,511+802.1% | Added |
| Busey Wealth Management | 220,000 | $12.6M | 0.33% | 00.0% | Unchanged |
| Antipodes Partners Ltd | 228,413 | $13.1M | 0.27% | +228,413 | New |
| Driehaus Capital Management LLC | 229,120 | $13.1M | 0.09% | +94,618+70.3% | Added |
| Allspring Global Investments Holdings, LLC | 328,761 | $20.2M | 0.03% | +122,672+59.5% | Added |
| Situational Awareness LP | 432,300 | $24.7M | 0.63% | +432,300 | New |
| Arrowstreet Capital, Limited Partnership | 443,096 | $25.3M | 0.01% | +118,011+36.3% | Added |
| Vanguard Group Inc | 539,978 | $30.9M | 0.00% | +37,597+7.5% | Added |
| BlackRock, Inc. | 673,610 | $38.5M | 0.00% | +122,026+22.1% | Added |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −195,804−100.0% | Sold out |
| Gagnon Securities LLC | 0 | $0 | 0.00% | −64,770−100.0% | Sold out |
| Kadensa Capital Ltd | 0 | $0 | 0.00% | −59,710−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −51,698−100.0% | Sold out |
| Mercuria Capital Strategies, LLC | 0 | $0 | 0.00% | −46,490−100.0% | Sold out |