PSIX Power Solutions International, Inc
Power Solutions International, Inc (PSIX) Institutional Ownership
What the institutions did with PSIX last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| Point72 Asset Management, L.P. | 1.5M | 17.8% |
| BlackRock, Inc. | 819.0K | 9.7% |
| Newtyn Management, LLC | 600.9K | 7.2% |
| VANGUARD CAPITAL MANAGEMENT LLC | 340.6K | 4.1% |
| Yunqi Capital Ltd | 339.0K | 4.0% |
| BARCLAYS PLC | 311.1K | 3.7% |
| DIMENSIONAL FUND ADVISORS LP | 296.8K | 3.5% |
| OLP CAPITAL MANAGEMENT Ltd | 283.9K | 3.4% |
| Busey Bank | 220.0K | 2.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 216.2K | 2.6% |
| MILLENNIUM MANAGEMENT LLC | 206.9K | 2.5% |
| SG Americas Securities, LLC | 194.9K | 2.3% |
| STATE STREET CORP | 184.9K | 2.2% |
| GOLDMAN SACHS GROUP INC | 147.3K | 1.8% |
| FIRST TRUST ADVISORS LP | 146.8K | 1.7% |
| Yiheng Capital Management, L.P. | 133.5K | 1.6% |
| Meros Investment Management, LP | 129.3K | 1.5% |
| MORGAN STANLEY | 113.0K | 1.3% |
| TWO SIGMA INVESTMENTS, LP | 109.0K | 1.3% |
| Hel Ved Capital Management Ltd | 100.9K | 1.2% |
| ALLIANCEBERNSTEIN L.P. | 98.7K | 1.2% |
| Valiant Capital Management, L.P. | 81.7K | 1.0% |
| NORTHERN TRUST CORP | 74.8K | 0.9% |
| Defiance ETFs, LLC | 72.9K | 0.9% |
| Tidal Investments LLC | 72.4K | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Point72 Asset Management, L.P. | Increased | 5.4K | 1.5M | +1.5M |
| Newtyn Management, LLC | New | 0 | 600.9K | +600.9K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Sold Out | 466.2K | 0 | -466.2K |
| Situational Awareness LP | Sold Out | 432.3K | 0 | -432.3K |
| Yunqi Capital Ltd | New | 0 | 339.0K | +339.0K |
| Allspring Global Investments Holdings, LLC | Reduced | 301.2K | 7.8K | -293.4K |
| OLP CAPITAL MANAGEMENT Ltd | New | 0 | 283.9K | +283.9K |
| Yiheng Capital Management, L.P. | New | 0 | 133.5K | +133.5K |
| DANSKE BANK A/S | Sold Out | 121.7K | 0 | -121.7K |
| MILLENNIUM MANAGEMENT LLC | Increased | 97.9K | 206.9K | +109.1K |
| BlackRock, Inc. | Increased | 715.6K | 819.0K | +103.4K |
| GOLDMAN SACHS GROUP INC | Increased | 44.3K | 147.3K | +103.0K |
| LPL Financial LLC | Reduced | 156.2K | 57.7K | -98.5K |
| NAVELLIER & ASSOCIATES INC | Reduced | 107.5K | 10.2K | -97.3K |
| Meros Investment Management, LP | Increased | 39.3K | 129.3K | +90.0K |
| BARCLAYS PLC | Increased | 239.0K | 311.1K | +72.1K |
| ALLIANCEBERNSTEIN L.P. | Increased | 33.4K | 98.7K | +65.3K |
| HUSSMAN STRATEGIC ADVISORS, INC. | Sold Out | 63.0K | 0 | -63.0K |
| TWO SIGMA INVESTMENTS, LP | Increased | 46.4K | 109.0K | +62.6K |
| FIRST TRUST ADVISORS LP | Increased | 86.1K | 146.8K | +60.6K |
| CVFG LLC | Sold Out | 60.2K | 0 | -60.2K |
| SEI INVESTMENTS CO | Sold Out | 57.5K | 0 | -57.5K |
| MORGAN STANLEY | Reduced | 167.0K | 113.0K | -54.0K |
| Man Group plc | Reduced | 88.7K | 34.8K | -53.9K |
| ANTIPODES PARTNERS Ltd | Sold Out | 52.9K | 0 | -52.9K |
| CITIGROUP INC | Increased | 1.5K | 54.0K | +52.5K |
| Defiance ETFs, LLC | Increased | 20.9K | 72.9K | +52.0K |
| Cambridge Investment Research Advisors, Inc. | Sold Out | 44.3K | 0 | -44.3K |
| Tidal Investments LLC | Increased | 29.4K | 72.4K | +43.1K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 8.5K | 45.7K | +37.2K |
| ExodusPoint Capital Management, LP | New | 0 | 37.0K | +37.0K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 105.2K | 70.2K | -35.1K |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Reduced | 72.6K | 37.6K | -35.0K |
| JANE STREET GROUP, LLC | Sold Out | 32.8K | 0 | -32.8K |
| BURNEY CO/ | Sold Out | 29.0K | 0 | -29.0K |
| AMERIPRISE FINANCIAL INC | Sold Out | 27.0K | 0 | -27.0K |
| Capstone Capital Management Ltd | New | 0 | 26.7K | +26.7K |
| FEDERATED HERMES, INC. | Reduced | 26.8K | 1.1K | -25.8K |
| OP Asset Management Ltd | Sold Out | 25.4K | 0 | -25.4K |
| OnyxPoint Global Management LP | Reduced | 77.9K | 53.5K | -24.5K |
| CITADEL ADVISORS LLC | Increased | 28.0K | 52.0K | +24.1K |
| SG Americas Securities, LLC | Reduced | 216.4K | 194.9K | -21.5K |
| FRANKLIN RESOURCES INC | Reduced | 39.1K | 17.8K | -21.3K |
| Freestone Grove Partners LP | New | 0 | 20.3K | +20.3K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 196.3K | 216.2K | +19.9K |
| Brevan Howard Capital Management LP | New | 0 | 19.6K | +19.6K |
| Belpointe Asset Management LLC | New | 0 | 18.8K | +18.8K |
| Balyasny Asset Management L.P. | Increased | 8.4K | 26.2K | +17.8K |
| Persistent Asset Partners Ltd | Increased | 4.3K | 21.9K | +17.6K |
| Polymer Capital Management (HK) LTD | Sold Out | 16.0K | 0 | -16.0K |
| Moran Wealth Management, LLC | Sold Out | 15.9K | 0 | -15.9K |
| XTX Topco Ltd | Increased | 11.6K | 27.5K | +15.9K |
| CAPITAL FUND MANAGEMENT S.A. | Increased | 47.3K | 63.1K | +15.8K |
| Clear Creek Financial Management, LLC | Sold Out | 15.7K | 0 | -15.7K |
| Capelight Capital Asset Management LP | Sold Out | 15.0K | 0 | -15.0K |
| ALGERT GLOBAL LLC | Sold Out | 14.5K | 0 | -14.5K |
| WELLS FARGO & COMPANY/MN | Reduced | 43.9K | 29.6K | -14.2K |
| STATE STREET CORP | Increased | 170.7K | 184.9K | +14.1K |
| BANK OF AMERICA CORP /DE/ | Reduced | 31.5K | 17.8K | -13.7K |
| Squarepoint Ops LLC | Sold Out | 13.6K | 0 | -13.6K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.