Power Solutions International
PSIX · NASDAQ
$48.43−$0.60 (−1.22%)TodayMarket closed ·
Prev close $49.03
Who owns PSIX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 79.2% of PSIX’s shares.
- Weichai America Corporation46.0%
- Winemaster (Kenneth J)9.6%
- Point72 Asset Management, L.P.6.5%
- Winemaster (Gary S)6.3%
- Next 6 largest institutions10.8%
- All other shareholders20.8%
| Holder | Shares | % of shares |
|---|---|---|
| Weichai America Corporation | 10.60M | 45.99% |
| Winemaster (Kenneth J) | 2.21M | 9.59% |
| Point72 Asset Management, L.P. | 1.50M | 6.50% |
| Winemaster (Gary S) | 1.46M | 6.31% |
| Newtyn Management, LLC | 600.89K | 2.61% |
| BlackRock Institutional Trust Company, N.A. | 597.50K | 2.59% |
| Vanguard Capital Management, LLC | 340.63K | 1.48% |
| Yunqi Capital Limited | 339.00K | 1.47% |
| Barclays Bank PLC | 310.89K | 1.35% |
| Dimensional Fund Advisors, L.P. | 296.81K | 1.29% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 256.75K | 1.11% |
| iShares Russell 2000 ETF | 226.38K | 0.98% |
| iShares Global Infrastructure Index ETF | 154.02K | 0.67% |
| Fidelity Small Cap Index Fund | 94.08K | 0.41% |
| Defiance AI & Power Infrastructure ETF | 80.26K | 0.35% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of PSIX in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Hu Nan (Richard) | Award | 5.87K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.72M
- Days to cover
- 3.99
- % of shares outstanding
- 7.48%
- Average daily volume
- 432.07K
- Change since last report
- −1.5%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.