Power Solutions InternationaPSIX
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 203 institutions reported holding Power Solutions Internationa (PSIX) in their 13F filings, up 8 from Q4 2025. 49 opened new positions and 43 sold out. The largest holders were BlackRock, Inc. ($43.6M), Arrowstreet Capital, Limited Partnership ($28.4M) and Situational Awareness ($26.3M). 6 famous investors held it, including Leopold Aschenbrenner (0.7% of Situational Awareness's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Power Solutions Internationa
- CUSIP
- 73933G202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 49 | $40.0M |
| Exits | 43 | $49.2M |
All 13F filers, Q4 2025 → Q1 2026: 1,656,517 shares bought and 1,613,746 shares sold, net +42,771 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 203 holders
| BlackRock, Inc. | 0.00% | Add +6.2% | 715,556 | $43.6M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +5.2% | 466,204 | $28.4M |
| Situational Awareness | 0.68% | No change | 432,300 | $26.3M |
| Vanguard Capital Management LLC | 0.00% | — | 340,974 | $20.8M |
| Allspring Global Investments Holdings, LLC | 0.03% | Reduce -8.4% | 301,168 | $19.9M |
| Dimensional Fund Advisors LP | 0.00% | Add +40.3% | 283,241 | $17.2M |
| Barclays PLC | 0.01% | Add +789.5% | 239,046 | $14.6M |
| Busey Bank | 0.36% | No change | 220,000 | $13.4M |
| SG Americas Securities, LLC | 0.01% | Add +12036.6% | 216,395 | $13.2M |
| Geode Capital Management, LLC | 0.00% | Add +2.4% | 196,297 | $12.0M |
| State Street Corp. | 0.00% | Add +3.5% | 170,747 | $10.4M |
| Morgan Stanley | 0.00% | Reduce -4.4% | 167,037 | $10.2M |
| LPL Financial LLC | 0.00% | Add +80.4% | 156,185 | $9.5M |
| Danske Bank A/S | 0.02% | New | 121,653 | $7.4M |
| Navellier & Associates Inc. | 0.68% | Add +5.7% | 107,502 | $6.5M |
| Vanguard Portfolio Management LLC | 0.00% | — | 105,229 | $6.4M |
| Hel Ved Capital Management Ltd | 1.06% | Reduce -6.7% | 100,876 | $6.1M |
| Millennium Management | 0.00% | Add +3.4% | 97,880 | $6.0M |
| Man Group plc | 0.01% | Add +229.8% | 88,667 | $5.4M |
| First Trust Advisors LP | 0.00% | Add +6.2% | 86,123 | $5.2M |
| Northern Trust Corp. | 0.00% | Add +2.2% | 80,099 | $4.9M |
| OnyxPoint Global Management LP | 2.10% | New | 77,919 | $4.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.3% | 74,753 | $4.6M |
| Voloridge Investment Management, LLC | 0.02% | New | 72,630 | $4.4M |
| Valiant Capital Management, L.P. | 0.33% | Add +71.8% | 69,388 | $4.2M |
| Hussman Strategic Advisors, Inc. | 0.83% | Add +100.0% | 63,000 | $3.8M |
| CVFG LLC | 0.46% | New | 60,170 | $3.7M |
| Sei Investments Co. | 0.00% | Reduce -8.0% | 57,455 | $3.5M |
| ANTIPODES PARTNERS Ltd | 0.06% | Reduce -76.8% | 52,877 | $3.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 48,690 | $3.0M |
| Capital Fund Management S.A. | 0.03% | Add +218.4% | 47,313 | $2.9M |
| Two Sigma Investments, LP | 0.00% | Reduce -23.7% | 46,371 | $2.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -56.4% | 44,306 | $2.7M |
| Cambridge Investment Research Advisors, Inc. | 0.01% | Add +5.4% | 44,270 | $2.7M |
| Wells Fargo & Company | 0.00% | Reduce -41.7% | 43,852 | $2.7M |
| Meros Investment Management, LP | 1.04% | New | 39,266 | $2.4M |
| Franklin Resources Inc. | 0.00% | Add +26.6% | 39,144 | $2.4M |
| Victory Capital Management Inc. | 0.00% | Reduce -50.8% | 37,316 | $2.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce 0.0% | 34,670 | $2.1M |
| Cetera Investment Advisers | 0.00% | Add +55.0% | 33,508 | $2.0M |
| Raymond James Financial Inc. | 0.00% | Reduce -70.0% | 32,864 | $2.0M |
| Jane Street Group, LLC | 0.00% | New | 32,796 | $2.0M |
| Bridge City Capital, LLC | 0.55% | New | 32,793 | $2.0M |
| Bank of America Corp. | 0.00% | Add +183.9% | 31,495 | $1.9M |
| Alliancebernstein L.P. | 0.00% | Add +21.9% | 33,440 | $1.9M |
| Tidal Investments LLC | 0.01% | Add +72.8% | 29,379 | $1.8M |
| Burney Co./ | 0.06% | Reduce -4.3% | 29,020 | $1.8M |
| AQR Capital Management | 0.00% | Reduce -5.7% | 28,128 | $1.7M |
| Citadel Advisors | 0.00% | Add +71.2% | 27,959 | $1.7M |
| Ameriprise Financial Inc. | 0.00% | Reduce -29.1% | 26,984 | $1.7M |
| Federated Hermes, Inc. | 0.00% | Add +10387.9% | 26,849 | $1.6M |
| OP Asset Management Ltd | 0.02% | Add +711.7% | 25,440 | $1.5M |
| Thoroughbred Financial Services, LLC | 0.09% | Reduce -3.4% | 24,054 | $1.5M |
| De Lisle Partners LLP | 0.15% | No change | 21,000 | $1.3M |
| Defiance ETFs, LLC | 0.02% | New | 20,868 | $1.3M |
| O'shaughnessy Asset Management, LLC | 0.01% | Reduce -39.4% | 18,333 | $1.1M |
| Swiss National Bank | 0.00% | No change | 18,200 | $1.1M |
| World Equity Group, Inc. | 0.28% | Add +13.1% | 17,808 | $1.1M |
| Nuveen, LLC | 0.00% | Add +0.6% | 16,670 | $1.0M |
| ARGA Investment Management, LP | 0.03% | New | 16,238 | $989K |
| Hennion & Walsh Asset Management, Inc. | 0.03% | Add +79.6% | 16,150 | $983K |
| Polymer Capital Management (HK) LTD | 0.14% | New | 16,000 | $974K |
| Moran Wealth Management, LLC | 0.03% | Add +78.5% | 15,927 | $970K |
| Gotham Asset Management | 0.00% | Reduce -12.4% | 15,917 | $969K |
| Clear Creek Financial Management, LLC | 0.07% | Add +1.5% | 15,681 | $955K |
| Russell Investments Group, Ltd. | 0.00% | Add +3.3% | 15,514 | $944K |
| Capelight Capital Asset Management LP | 0.77% | New | 15,000 | $913K |
| Algert Global LLC | 0.01% | Add +18.7% | 14,510 | $883K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +27.6% | 13,744 | $837K |
| Squarepoint Ops LLC | 0.00% | New | 13,586 | $827K |
| New York State Common Retirement Fund | 0.00% | Add +544.5% | 13,534 | $824K |
| Osaic Holdings, Inc. | 0.00% | Reduce -57.3% | 13,373 | $814K |
| Oak Ridge Investments LLC | 0.05% | New | 13,307 | $810K |
| BNP Paribas Financial Markets | 0.00% | Add +42.0% | 13,161 | $801K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -89.0% | 12,538 | $763K |
| Swiss Life Asset Management Ltd | 0.00% | New | 5,404 | $754K |
| Stephens Inc. | 0.01% | No change | 12,000 | $731K |
| Kerrisdale Advisers, LLC | 0.27% | New | 11,665 | $710K |
| XTX Topco Ltd | 0.01% | Reduce -7.6% | 11,563 | $704K |
| MML Investors Services, LLC | 0.00% | Reduce -64.8% | 11,371 | $692K |
| Ritholtz Wealth Management | 0.01% | Reduce -43.3% | 10,611 | $646K |
| Massachusetts Financial Services Co. | 0.00% | Add +14.0% | 10,152 | $618K |
| Rhumbline Advisers | 0.00% | Add +7.5% | 9,869 | $601K |
| Kassira Wealth Management LLC | 0.53% | New | 9,549 | $581K |
| Credit Agricole S A | 0.00% | No change | 9,500 | $578K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -1.0% | 9,399 | $572K |
| Bay Rivers Group | 0.23% | Add +18.0% | 9,186 | $559K |
| Independent Financial Group, LLC | 0.01% | New | 8,773 | $534K |
| California State Teachers Retirement System | 0.00% | Reduce -0.7% | 8,739 | $532K |
| Alps Advisors Inc. | 0.00% | Add +78.6% | 8,724 | $531K |
| Maxi Investments CY Ltd | 0.12% | New | 8,654 | $527K |
| Susquehanna International Group, LLP | 0.00% | Reduce -56.8% | 8,487 | $517K |
| Balyasny Asset Management L.P. | 0.00% | Add +84.4% | 8,399 | $511K |
| Invesco Ltd. | 0.00% | Add +7.8% | 8,393 | $511K |
| Creative Planning | 0.00% | Reduce -27.3% | 7,751 | $472K |
| Great Valley Advisor Group, Inc. | 0.01% | Add +5.2% | 7,445 | $453K |
| Deutsche Bank AG | 0.00% | Add +15.2% | 6,813 | $415K |
| Vestcor Inc | 0.01% | No change | 6,741 | $410K |
| Corsair Capital Management, L.P. | 0.06% | Reduce -68.6% | 6,639 | $404K |
| Formidable Asset Management, LLC | 0.06% | New | 6,581 | $401K |
"% of holder's portfolio" is PSIX's weight in each manager's 13F, not the share of Power Solutions Internationa the manager owns.