POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) Institutional Ownership Changes & 13F Activity
POWER SOLUTIONS INTERNATIONAL, INC. (PSIX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Situational Awareness Partners Lp, Barclays Plc, Qube Research & Technologies Ltd, Onyxpoint Global Management Lp, and Voloridge Investment Management, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Op Asset Management Ltd | Buy | +22,306 | +711.7% | 25,440 | $1.55M | Q1 2026 | Sep 28, 2026 |
| Algert Global Llc | Buy | +2,290 | +18.7% | 14,510 | $883.37K | Q1 2026 | Aug 11, 2026 |
| Wells Fargo & Company/Mn | Sell | -31,387 | -41.7% | 43,852 | $2.67M | Q1 2026 | Jul 08, 2026 |
| Situational Awareness Partners Lp | Buy | +432,300 | — | 432,300 | $26.32M | Q1 2026 | May 18, 2026 |
| Bank Of America Corp | Buy | +20,400 | +183.9% | 31,495 | $1.92M | Q1 2026 | May 18, 2026 |
| Hamilton Wealth, Llc | Buy | +1,967 | — | 1,967 | $119.75K | Q1 2026 | May 18, 2026 |
| California State Teachers Retirement System | Sell | -63 | -0.7% | 8,739 | $532.03K | Q1 2026 | May 18, 2026 |
| Barclays Plc | Buy | +212,172 | +789.5% | 239,046 | $14.55M | Q1 2026 | May 15, 2026 |
| Qube Research & Technologies Ltd | Sell | -101,711 | -89.0% | 12,538 | $763.31K | Q1 2026 | May 15, 2026 |
| Onyxpoint Global Management Lp | Buy | +77,919 | — | 77,919 | $4.74M | Q1 2026 | May 15, 2026 |
| Voloridge Investment Management, Llc | Buy | +72,630 | — | 72,630 | $4.42M | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | Sell | -66,829 | -92.6% | 5,350 | $325.71K | Q1 2026 | May 15, 2026 |
| Man Group Plc | Buy | +61,778 | +229.8% | 88,667 | $5.40M | Q1 2026 | May 15, 2026 |
| Goldman Sachs Group Inc | Sell | -57,305 | -56.4% | 44,306 | $2.70M | Q1 2026 | May 15, 2026 |
| Victory Capital Management Inc | Sell | -38,552 | -50.8% | 37,316 | $2.27M | Q1 2026 | May 15, 2026 |
| Valiant Capital Management, L.P. | Buy | +28,987 | +71.7% | 69,388 | $4.22M | Q1 2026 | May 15, 2026 |
| Defiance Etfs, Llc | Buy | +20,868 | — | 20,868 | $1.27M | Q1 2026 | May 15, 2026 |
| Osaic Holdings, Inc. | Sell | -17,926 | -57.3% | 13,373 | $814.09K | Q1 2026 | May 15, 2026 |
| Corsair Capital Management, L.P. | Sell | -14,500 | -68.6% | 6,639 | $404.18K | Q1 2026 | May 15, 2026 |
| Two Sigma Investments, Lp | Sell | -14,400 | -23.7% | 46,371 | $2.82M | Q1 2026 | May 15, 2026 |
| Squarepoint Ops Llc | Buy | +13,586 | — | 13,586 | $827.12K | Q1 2026 | May 15, 2026 |
| Tidal Investments Llc | Buy | +12,380 | +72.8% | 29,379 | $1.79M | Q1 2026 | May 15, 2026 |
| Kerrisdale Advisers, Llc | Buy | +11,665 | — | 11,665 | $710.16K | Q1 2026 | May 15, 2026 |
| Citadel Advisors Llc | Buy | +11,626 | +71.2% | 27,959 | $1.70M | Q1 2026 | May 15, 2026 |
| Susquehanna International Group, Llp | Sell | -11,173 | -56.8% | 8,487 | $516.69K | Q1 2026 | May 15, 2026 |
| Morgan Stanley | Sell | -7,717 | -4.4% | 167,037 | $10.17M | Q1 2026 | May 15, 2026 |
| Hel Ved Capital Management Ltd | Sell | -7,250 | -6.7% | 100,876 | $6.14M | Q1 2026 | May 15, 2026 |
| Jacobs Levy Equity Management, Inc | Sell | -6,627 | -57.4% | 4,922 | $299.65K | Q1 2026 | May 15, 2026 |
| Bridgefront Capital, Llc | Buy | +6,434 | — | 6,434 | $391.70K | Q1 2026 | May 15, 2026 |
| Cullen Capital Management, Llc | Buy | +6,090 | — | 6,090 | $370.76K | Q1 2026 | May 15, 2026 |
Frequently asked questions about PSIX activity
Which institutional owners are buying PSIX?
Institutional owners buying PSIX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in PSIX activity?
"Buy" means an investor increased their reported position in PSIX compared to the prior reporting period. This reflects growing exposure to POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in PSIX increasing?
Institutional interest in PSIX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related PSIX Institutional Insights
- PSIX Overview
- PSIX 13F Institutional Holders
- PSIX Superinvestors
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- PSIX Insider Trading & SEC Form 4 Activity
- PSIX Articles
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