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, Q1 2026
Institutional positions in Power Solutions International, Inc. as of Mar 31, 2026. 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
- 204
- +12 vs. Q4 2025
- Shares held
- 7.29M
- +978.9K (+15.5%) vs. Q4 2025
- Total value
- $445.5M
- +$83.4M (+23.0%) vs. Q4 2025
- New holders
- 56
- 64 more added
- Sold out
- 44
- 51 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Power Solutions International, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 715,556 | $43.6M | 0.00% | +41,946+6.2% | Added |
| Arrowstreet Capital, Limited Partnership | 466,204 | $28.4M | 0.02% | +23,108+5.2% | Added |
| Situational Awareness LP | 432,300 | $26.3M | 0.68% | 00.0% | Unchanged |
| Situational Awareness Partners LP | 432,300 | $26.3M | 0.68% | +432,300 | New |
| Vanguard Capital Management LLC | 340,974 | $20.8M | 0.00% | +340,974 | New |
| Allspring Global Investments Holdings, LLC | 301,168 | $19.9M | 0.03% | −27,593−8.4% | Reduced |
| Dimensional Fund Advisors LP | 283,241 | $17.2M | 0.00% | +81,350+40.3% | Added |
| Barclays PLC | 239,046 | $14.6M | 0.01% | +212,172+789.5% | Added |
| Busey Wealth Management | 220,000 | $13.4M | 0.36% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 216,395 | $13.2M | 0.01% | +214,612+12,036.6% | Added |
| Geode Capital Management, LLC | 196,297 | $12.0M | 0.00% | +4,626+2.4% | Added |
| State Street Corp | 170,747 | $10.4M | 0.00% | +5,852+3.5% | Added |
| Morgan Stanley | 167,037 | $10.2M | 0.00% | −7,717−4.4% | Reduced |
| LPL Financial LLC | 156,185 | $9.51M | 0.00% | +69,604+80.4% | Added |
| Danske Bank A/S | 121,653 | $7.41M | 0.02% | +121,653 | New |
| Navellier & Associates Inc | 107,502 | $6.54M | 0.68% | +5,773+5.7% | Added |
| Vanguard Portfolio Management LLC | 105,229 | $6.41M | 0.00% | +105,229 | New |
| Hel Ved Capital Management Ltd | 100,876 | $6.14M | 1.06% | −7,250−6.7% | Reduced |
| Millennium Management LLC | 97,880 | $5.96M | 0.00% | +3,222+3.4% | Added |
| Man Group plc | 88,667 | $5.40M | 0.01% | +61,778+229.8% | Added |
| First Trust Advisors LP | 86,123 | $5.24M | 0.00% | +5,049+6.2% | Added |
| Northern Trust Corp | 80,099 | $4.88M | 0.00% | +1,724+2.2% | Added |
| OnyxPoint Global Management LP | 77,919 | $4.74M | 2.01% | +77,919 | New |
| Charles Schwab Investment Management Inc | 74,753 | $4.55M | 0.00% | −263−0.4% | Reduced |
| Voloridge Investment Management, LLC | 72,630 | $4.42M | 0.02% | +72,630 | New |
| Valiant Capital Management, L.P. | 69,388 | $4.22M | 0.33% | +28,987+71.7% | Added |
| Hussman Strategic Advisors, Inc. | 63,000 | $3.84M | 0.83% | +31,500+100.0% | Added |
| CVFG LLC | 60,170 | $3.66M | 0.46% | +60,170 | New |
| SEI Investments Co | 57,455 | $3.50M | 0.00% | −5,010−8.0% | Reduced |
| Antipodes Partners Ltd | 52,877 | $3.22M | 0.06% | −175,536−76.9% | Reduced |
| Vanguard Fiduciary Trust Co | 48,690 | $2.96M | 0.00% | +48,690 | New |
| Capital Fund Management S.A. | 47,313 | $2.88M | 0.03% | +32,452+218.4% | Added |
| Two Sigma Investments, LP | 46,371 | $2.82M | 0.00% | −14,400−23.7% | Reduced |
| Goldman Sachs Group Inc | 44,306 | $2.70M | 0.00% | −57,305−56.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 44,270 | $2.69M | 0.01% | +2,266+5.4% | Added |
| Wells Fargo & Company | 43,852 | $2.67M | 0.00% | −31,387−41.7% | Reduced |
| Meros Investment Management, LP | 39,266 | $2.39M | 1.04% | +39,266 | New |
| Franklin Resources Inc | 39,144 | $2.38M | 0.00% | +8,228+26.6% | Added |
| Victory Capital Management Inc | 37,316 | $2.27M | 0.00% | −38,552−50.8% | Reduced |
| Bank of New York Mellon Corp | 34,670 | $2.11M | 0.00% | −10.0% | Reduced |
| Cetera Investment Advisers | 33,508 | $2.04M | 0.00% | +11,892+55.0% | Added |
| Raymond James Financial Inc | 32,864 | $2.00M | 0.00% | −76,684−70.0% | Reduced |
| Jane Street Group, LLC | 32,796 | $2.00M | 0.00% | +32,796 | New |
| Bridge City Capital, LLC | 32,793 | $2.00M | 0.55% | +32,793 | New |
| Bank of America Corp | 31,495 | $1.92M | 0.00% | +20,400+183.9% | Added |
| Alliancebernstein L.P. | 33,440 | $1.91M | 0.00% | +6,000+21.9% | Added |
| Toroso Investments, LLC | 29,379 | $1.79M | 0.01% | +12,380+72.8% | Added |
| Burney Co | 29,020 | $1.77M | 0.06% | −1,306−4.3% | Reduced |
| AQR Capital Management LLC | 28,128 | $1.71M | 0.00% | −1,697−5.7% | Reduced |
| Citadel Advisors LLC | 27,959 | $1.70M | 0.00% | +11,626+71.2% | Added |
| Ameriprise Financial Inc | 26,984 | $1.66M | 0.00% | −11,052−29.1% | Reduced |
| Federated Hermes, Inc. | 26,849 | $1.63M | 0.00% | +26,593+10,387.9% | Added |
| OP Asset Management Ltd | 25,440 | $1.55M | 0.02% | +22,306+711.7% | Added |
| Thoroughbred Financial Services, LLC | 24,054 | $1.46M | 0.09% | −842−3.4% | Reduced |
| De Lisle Partners LLP | 21,000 | $1.28M | 0.15% | 00.0% | Unchanged |
| Defiance ETFs, LLC | 20,868 | $1.27M | 0.02% | +20,868 | New |
| O'Shaughnessy Asset Management, LLC | 18,333 | $1.12M | 0.01% | −11,896−39.4% | Reduced |
| Swiss National Bank | 18,200 | $1.11M | 0.00% | 00.0% | Unchanged |
| World Equity Group, Inc. | 17,808 | $1.08M | 0.28% | +2,068+13.1% | Added |
| Nuveen, LLC | 16,670 | $1.01M | 0.00% | +98+0.6% | Added |
| ARGA Investment Management, LP | 16,238 | $988.6K | 0.03% | +16,238 | New |
| Hennion & Walsh Asset Management, Inc. | 16,150 | $983.2K | 0.03% | +7,160+79.6% | Added |
| Polymer Capital Management (HK) LTD | 16,000 | $974.1K | 0.14% | +16,000 | New |
| Moran Wealth Management, LLC | 15,927 | $969.6K | 0.03% | +7,002+78.5% | Added |
| Gotham Asset Management, LLC | 15,917 | $969.0K | 0.00% | −2,262−12.4% | Reduced |
| Clear Creek Financial Management, LLC | 15,681 | $954.7K | 0.07% | +238+1.5% | Added |
| Russell Investments Group, Ltd. | 15,514 | $944.5K | 0.00% | +489+3.3% | Added |
| Capelight Capital Asset Management LP | 15,000 | $913.2K | 0.76% | +15,000 | New |
| Algert Global LLC | 14,510 | $883.4K | 0.01% | +2,290+18.7% | Added |
| UBS Asset Management Americas Inc | 13,744 | $836.7K | 0.00% | +2,977+27.6% | Added |
| Squarepoint Ops LLC | 13,586 | $827.1K | 0.00% | +13,586 | New |
| New York State Common Retirement Fund | 13,534 | $824.0K | 0.00% | +11,434+544.5% | Added |
| Advisor Group Holdings, Inc. | 13,373 | $814.1K | 0.00% | −17,926−57.3% | Reduced |
| Oak Ridge Investments LLC | 13,307 | $810.1K | 0.05% | +13,307 | New |
| BNP Paribas Arbitrage, SA | 13,161 | $801.2K | 0.00% | +3,891+42.0% | Added |
| Qube Research & Technologies Ltd | 12,538 | $763.3K | 0.00% | −101,711−89.0% | Reduced |
| Swiss Life Asset Management Ltd | 5,404 | $754.3K | 0.00% | +5,404 | New |
| Stephens Inc | 12,000 | $730.6K | 0.01% | 00.0% | Unchanged |
| Kerrisdale Advisers, LLC | 11,665 | $710.2K | 0.27% | +11,665 | New |
| XTX Topco Ltd | 11,563 | $704.0K | 0.01% | −952−7.6% | Reduced |
| MML Investors Services, LLC | 11,371 | $692.3K | 0.00% | −20,979−64.9% | Reduced |
| Ritholtz Wealth Management | 10,611 | $646.0K | 0.01% | −8,118−43.3% | Reduced |
| Massachusetts Financial Services Co | 10,152 | $618.1K | 0.00% | +1,250+14.0% | Added |
| Rhumbline Advisers | 9,869 | $600.8K | 0.00% | +686+7.5% | Added |
| Kassira Wealth Management LLC | 9,549 | $581.3K | 0.53% | +9,549 | New |
| Credit Agricole S A | 9,500 | $578.4K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 9,399 | $572.2K | 0.00% | −97−1.0% | Reduced |
| Bay Rivers Group | 9,186 | $559.2K | 0.23% | +1,400+18.0% | Added |
| Independent Financial Group, LLC | 8,773 | $534.1K | 0.01% | +8,773 | New |
| California State Teachers Retirement System | 8,739 | $532.0K | 0.00% | −63−0.7% | Reduced |
| Alps Advisors Inc | 8,724 | $531.1K | 0.00% | +3,840+78.6% | Added |
| Maxi Investments CY Ltd | 8,654 | $527.0K | 0.12% | +8,654 | New |
| Susquehanna International Group, LLP | 8,487 | $516.7K | 0.00% | −11,173−56.8% | Reduced |
| Balyasny Asset Management LLC | 8,399 | $511.3K | 0.00% | +3,844+84.4% | Added |
| Invesco Ltd. | 8,393 | $511.0K | 0.00% | +611+7.9% | Added |
| Creative Planning | 7,751 | $471.9K | 0.00% | −2,907−27.3% | Reduced |
| Great Valley Advisor Group, Inc. | 7,445 | $453.3K | 0.01% | +366+5.2% | Added |
| Deutsche Bank AG | 6,813 | $414.8K | 0.00% | +900+15.2% | Added |
| Vestcor Inc | 6,741 | $410.0K | 0.01% | 00.0% | Unchanged |
| Corsair Capital Management, L.P. | 6,639 | $404.2K | 0.06% | −14,500−68.6% | Reduced |