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 | $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, 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 673,610 | $38.5M | 0.00% | +122,026+22.1% | Added |
| Vanguard Group Inc | 539,978 | $30.9M | 0.00% | +37,597+7.5% | Added |
| Arrowstreet Capital, Limited Partnership | 443,096 | $25.3M | 0.01% | +118,011+36.3% | Added |
| Situational Awareness LP | 432,300 | $24.7M | 0.63% | +432,300 | New |
| Allspring Global Investments Holdings, LLC | 328,761 | $20.2M | 0.03% | +122,672+59.5% | Added |
| Driehaus Capital Management LLC | 229,120 | $13.1M | 0.09% | +94,618+70.3% | Added |
| Antipodes Partners Ltd | 228,413 | $13.1M | 0.27% | +228,413 | New |
| Busey Wealth Management | 220,000 | $12.6M | 0.33% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 201,891 | $11.5M | 0.00% | +179,511+802.1% | Added |
| Geode Capital Management, LLC | 191,671 | $11.0M | 0.00% | +22,763+13.5% | Added |
| Morgan Stanley | 174,754 | $9.99M | 0.00% | −22,786−11.5% | Reduced |
| State Street Corp | 164,895 | $9.42M | 0.00% | +28,218+20.6% | Added |
| Qube Research & Technologies Ltd | 114,249 | $6.53M | 0.01% | +114,249 | New |
| Raymond James Financial Inc | 109,548 | $6.26M | 0.00% | +18,909+20.9% | Added |
| Hel Ved Capital Management Ltd | 108,126 | $6.18M | 2.14% | +39,406+57.3% | Added |
| Renaissance Technologies LLC | 107,898 | $6.17M | 0.01% | +1,400+1.3% | Added |
| Beacon Harbor Wealth Advisors, Inc. | 103,216 | $5.90M | 1.31% | +103,216 | New |
| Navellier & Associates Inc | 101,729 | $5.81M | 0.65% | +37,569+58.6% | Added |
| Goldman Sachs Group Inc | 101,611 | $5.81M | 0.00% | +64,159+171.3% | Added |
| Millennium Management LLC | 94,658 | $5.41M | 0.00% | +64,779+216.8% | Added |
| LPL Financial LLC | 86,581 | $4.95M | 0.00% | +439+0.5% | Added |
| First Trust Advisors LP | 81,074 | $4.63M | 0.00% | +81,074 | New |
| Northern Trust Corp | 78,375 | $4.48M | 0.00% | +13,506+20.8% | Added |
| Victory Capital Management Inc | 75,868 | $4.34M | 0.00% | +27,296+56.2% | Added |
| Wells Fargo & Company | 75,239 | $4.30M | 0.00% | +39,651+111.4% | Added |
| Charles Schwab Investment Management Inc | 75,016 | $4.29M | 0.00% | +5,624+8.1% | Added |
| Adage Capital Partners GP, L.L.C. | 75,000 | $4.29M | 0.01% | +75,000 | New |
| Point72 Asset Management, L.P. | 72,179 | $4.12M | 0.01% | +23,555+48.4% | Added |
| SEI Investments Co | 62,465 | $3.57M | 0.00% | +19,532+45.5% | Added |
| Two Sigma Investments, LP | 60,771 | $3.47M | 0.01% | +8,002+15.2% | Added |
| Independent Advisor Alliance | 53,975 | $3.08M | 0.07% | −500−0.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 42,004 | $2.40M | 0.01% | +23,866+131.6% | Added |
| Valiant Capital Management, L.P. | 40,401 | $2.31M | 0.19% | +1,475+3.8% | Added |
| Ruffer LLP | 38,063 | $2.18M | 0.10% | +38,063 | New |
| Ameriprise Financial Inc | 38,036 | $2.17M | 0.00% | +3,028+8.6% | Added |
| Bank of New York Mellon Corp | 34,671 | $1.98M | 0.00% | +19,306+125.6% | Added |
| MML Investors Services, LLC | 32,350 | $1.85M | 0.00% | −1,929−5.6% | Reduced |
| Hussman Strategic Advisors, Inc. | 31,500 | $1.80M | 0.44% | +31,500 | New |
| Advisor Group Holdings, Inc. | 31,299 | $1.79M | 0.00% | −14,357−31.4% | Reduced |
| Franklin Resources Inc | 30,916 | $1.77M | 0.00% | −3,294−9.6% | Reduced |
| Burney Co | 30,326 | $1.73M | 0.05% | +3,099+11.4% | Added |
| O'Shaughnessy Asset Management, LLC | 30,229 | $1.73M | 0.01% | −23,575−43.8% | Reduced |
| AQR Capital Management LLC | 29,825 | $1.70M | 0.00% | +11,401+61.9% | Added |
| Alliancebernstein L.P. | 27,440 | $1.57M | 0.00% | +7,900+40.4% | Added |
| Man Group plc | 26,889 | $1.54M | 0.00% | +13,364+98.8% | Added |
| Barclays PLC | 26,874 | $1.54M | 0.00% | +16,394+156.4% | Added |
| Thoroughbred Financial Services, LLC | 24,896 | $1.42M | 0.08% | +459+1.9% | Added |
| Principal Financial Group Inc | 24,260 | $1.39M | 0.00% | +8,088+50.0% | Added |
| Verition Fund Management LLC | 23,246 | $1.33M | 0.01% | +1,719+8.0% | Added |
| Cetera Investment Advisers | 21,616 | $1.24M | 0.00% | −14,953−40.9% | Reduced |
| Corsair Capital Management, L.P. | 21,139 | $1.21M | 0.20% | −9,496−31.0% | Reduced |
| De Lisle Partners LLP | 21,000 | $1.20M | 0.15% | 00.0% | Unchanged |
| Platinum Investment Management Ltd | 20,000 | $1.14M | 0.26% | +20,000 | New |
| Susquehanna International Group, LLP | 19,660 | $1.12M | 0.00% | −118,788−85.8% | Reduced |
| Ritholtz Wealth Management | 18,729 | $1.07M | 0.02% | −10,408−35.7% | Reduced |
| Swiss National Bank | 18,200 | $1.04M | 0.00% | +4,800+35.8% | Added |
| Gotham Asset Management, LLC | 18,179 | $1.04M | 0.00% | +1,502+9.0% | Added |
| Toroso Investments, LLC | 16,999 | $971.3K | 0.00% | +13,976+462.3% | Added |
| Nuveen, LLC | 16,572 | $946.9K | 0.00% | +821+5.2% | Added |
| IMC-Chicago, LLC | 16,436 | $939.2K | 0.02% | +16,436 | New |
| Citadel Advisors LLC | 16,333 | $933.3K | 0.00% | −67,353−80.5% | Reduced |
| World Equity Group, Inc. | 15,740 | $899.4K | 0.25% | +1,052+7.2% | Added |
| Clear Creek Financial Management, LLC | 15,443 | $882.4K | 0.07% | +666+4.5% | Added |
| Russell Investments Group, Ltd. | 15,025 | $858.5K | 0.00% | +249+1.7% | Added |
| Capital Fund Management S.A. | 14,861 | $849.2K | 0.01% | +14,861 | New |
| Meeder Asset Management Inc | 12,691 | $725.2K | 0.04% | +7,711+154.8% | Added |
| Lazard Asset Management LLC | 12,606 | $720.3K | 0.00% | −34,855−73.4% | Reduced |
| XTX Topco Ltd | 12,515 | $715.1K | 0.02% | +12,515 | New |
| Algert Global LLC | 12,220 | $698.3K | 0.01% | +4,760+63.8% | Added |
| Verde Servicos Internacionais S.A. | 12,172 | $696.0K | 0.22% | 00.0% | Unchanged |
| Stephens Inc | 12,000 | $685.7K | 0.01% | −635−5.0% | Reduced |
| Virtu Financial LLC | 11,805 | $675.0K | 0.03% | +3,208+37.3% | Added |
| Jacobs Levy Equity Management, Inc | 11,549 | $659.9K | 0.00% | +6,472+127.5% | Added |
| Bank of America Corp | 11,095 | $634.0K | 0.00% | +1,530+16.0% | Added |
| UBS Asset Management Americas Inc | 10,767 | $615.2K | 0.00% | +7,767+258.9% | Added |
| Creative Planning | 10,658 | $609.0K | 0.00% | −161−1.5% | Reduced |
| Globeflex Capital L P | 10,399 | $594.2K | 0.09% | +8,499+447.3% | Added |
| Astoria Portfolio Advisors LLC. | 6,712 | $593.6K | 0.14% | +313+4.9% | Added |
| Janney Montgomery Scott LLC | 9,896 | $565.0K | 0.00% | +5,323+116.4% | Added |
| GK Wealth Management LLC | 9,739 | $556.5K | 0.41% | +2,858+41.5% | Added |
| Credit Agricole S A | 9,500 | $542.8K | 0.00% | −9,300−49.5% | Reduced |
| Commonwealth Equity Services, LLC | 9,496 | $542.6K | 0.00% | −137−1.4% | Reduced |
| BNP Paribas Arbitrage, SA | 9,270 | $529.7K | 0.00% | +7,982+619.7% | Added |
| Rhumbline Advisers | 9,183 | $524.7K | 0.00% | +98+1.1% | Added |
| Fox Run Management, L.L.C. | 9,122 | $521.2K | 0.08% | +9,122 | New |
| Hennion & Walsh Asset Management, Inc. | 8,990 | $513.7K | 0.02% | +5,824+184.0% | Added |
| Moran Wealth Management, LLC | 8,925 | $510.0K | 0.02% | +8,925 | New |
| Massachusetts Financial Services Co | 8,902 | $508.7K | 0.00% | +8,902 | New |
| Freestone Grove Partners LP | 8,803 | $503.0K | 0.00% | +8,803 | New |
| California State Teachers Retirement System | 8,802 | $502.9K | 0.00% | +2,430+38.1% | Added |
| Winton Group Ltd | 8,743 | $499.6K | 0.02% | +8,743 | New |
| Legal & General Group Plc | 8,517 | $486.7K | 0.00% | +1,574+22.7% | Added |
| Bay Rivers Group | 7,786 | $444.9K | 0.18% | +3,056+64.6% | Added |
| Invesco Ltd. | 7,782 | $444.7K | 0.00% | −92,696−92.3% | Reduced |
| State of Alaska, Department of Revenue | 7,654 | $437.0K | 0.00% | +6,648+660.8% | Added |
| Two Sigma Securities, LLC | 7,413 | $423.6K | 0.06% | +7,413 | New |
| Great Valley Advisor Group, Inc. | 7,079 | $404.5K | 0.01% | +2,630+59.1% | Added |
| Vestcor Inc | 6,741 | $385.0K | 0.01% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 6,263 | $357.9K | 0.00% | −1,217−16.3% | Reduced |
| Sequent Planning LLC | 6,163 | $352.2K | 0.09% | +6,163 | New |