Power Solutions International, Inc (PSIX)
Industrials
Specialty Industrial Machinery
27.60 $
-0.8%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Power Solutions International, Inc (PSIX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 31.8% of the shares are freely tradable; institutional investors hold 30.6%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
30.6%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
63.2%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
31.8%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
14.1%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
23Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 3.10 | 715,556 | +6.2 | 03/31/2026 |
| Vanguard Group Inc | 2.34 | 539,978 | +7.5 | 12/31/2025 |
| Arrowstreet Capital Limited Partnership | 2.02 | 466,204 | +5.2 | 03/31/2026 |
| Situational Awareness LP | 1.88 | 432,300 | +0.0 | 03/31/2026 |
| Situational Awareness Partners LP | 1.88 | 432,300 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 1.48 | 340,974 | +0.0 | 03/31/2026 |
| Allspring Global Investments Holdings, LLC | 1.31 | 301,168 | -8.4 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 1.23 | 283,241 | +40.3 | 03/31/2026 |
| Barclays PLC | 1.04 | 239,046 | +789.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.11 | 256,749 | +0.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.