Power Solutions International PSIX
$39.16 +$3.29 (+9.17%)
Market closed · Nov 7, 9:10 am ET · Last extended-hours $38.00 -2.96%
Open$40.86
Prev close$35.87
Day range$37.21 – $41.50
Volume1.12M
Market cap$903.24M
P/E (TTM)12.9
Dividend yield–
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Institutional ownership82.4%-0.63 pts vs. prior quarter
Institutions holding198+3 vs. prior quarter
Insider trades (recent)11 buys / 39 sellsNet selling
Short interest7.59% of floatDays to cover 3.9 · as of 15 Oct 2026
Short-sale volume share13.3%5-day average of daily volume
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: −$3.05M (8 inflow days, 12 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 71.9% of shares outstanding.
Largest holders
By investor type
Reported short interest has fallen from 8.52% to 7.59% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +1,491,805 | 6.5% |
| Newtyn Management, LLC | Hedge Fund | 2026/Q3 | +600,890 | 2.6% |
| Yunqi Capital Limited | Hedge Fund | 2026/Q3 | +339,000 | 1.5% |
| OLP Capital Management Limited | Hedge Fund | 2026/Q3 | +283,940 | 1.2% |
| Yiheng Capital Management, L.P. | Hedge Fund | 2026/Q3 | +133,500 | 0.6% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +109,062 | 0.9% |
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +104,805 | 0.5% |
| BlackRock | Mutual Fund | 2026/Q3 | +103,412 | 3.6% |
| Meros Investment Management, LP | Mutual Fund | 2026/Q3 | +90,000 | 0.6% |
| Barclays PLC | Public Company | 2026/Q3 | +72,009 | 1.3% |
| AllianceBernstein | Mutual Fund | 2026/Q3 | +65,260 | 0.4% |
| Two Sigma Investments, LP | Hedge Fund | 2026/Q3 | +62,590 | 0.5% |
| First Trust Advisors L.P. | Mutual Fund | 2026/Q3 | +60,627 | 0.6% |
| Citigroup Inc. | Public Company | 2026/Q3 | +52,460 | 0.2% |
| Defiance ETFs, LLC | Mutual Fund | 2026/Q3 | +52,013 | 0.3% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 5 Mar 2026 | Xun Li | Chief Financial Officer | Other Derivative Acquisition | +1,665 | – | 1,665 |
| 5 Mar 2026 | Zhaoying Du | General Counsel | Other Derivative Acquisition | +1,492 | – | 1,492 |
| 11 Feb 2026 | Xun Li | Chief Financial Officer | Derivative Exercise and Sale | -3,429 | $92.72 | 4,592 |
| 11 Feb 2026 | Xun Li | Chief Financial Officer | Derivative Exercise and Retained | +4,071 | $2.00 | 4,592 |
| 10 Dec 2025 | Frank Simpkins | Independent Director | Other Acquisition | +5,000 | – | 30,000 |
| 10 Dec 2025 | Courtney Shea | Independent Director | Other Acquisition | +5,000 | – | 5,000 |
| 10 Dec 2025 | Hong He | Independent Director | Other Acquisition | +5,000 | – | 23,750 |
| 10 Dec 2025 | Zhaoying Du | General Counsel | Other Derivative Acquisition | +700 | $65.76 | 700 |
| 28 Sep 2025 | Kenneth Landini | Former Independent Lead Outside Director | Intent to Sell (Form 144) | -3,500 | $106.00 | – |
| 17 Sep 2025 | Kenneth Landini | Former Independent Lead Outside Director | Intent to Sell (Form 144) | -6,000 | $100.00 | – |
| 10 Sep 2025 | Weichai Power Co., Ltd. | Open Market Disposition | -79,839 | $94.33 | 10,599,759 | |
| 10 Sep 2025 | Hong He | Independent Director | Intent to Sell (Form 144) | -1,500 | $94.00 | – |
| 10 Sep 2025 | Hong He | Independent Director | Open Market Disposition | -2,500 | $95.00 | 18,750 |
| 9 Sep 2025 | Weichai Power Co., Ltd. | Open Market Disposition | -36,554 | $95.20 | 10,679,598 | |
| 9 Sep 2025 | Hong He | Independent Director | Intent to Sell (Form 144) | -1,000 | $95.00 | – |
| 8 Sep 2025 | Constantine Xykis | Former Chief Executive Officer | Open Market Disposition | -7,854 | $91.31 | – |
| 8 Sep 2025 | Hong He | Independent Director | Open Market Disposition | -4,000 | $92.31 | 21,250 |
| 7 Sep 2025 | Hong He | Independent Director | Open Market Disposition | -1,000 | $89.00 | 25,250 |
| 4 Sep 2025 | Kenneth Landini | Former Independent Lead Outside Director | Intent to Sell (Form 144) | -7,000 | $85.00 | – |
| 25 Aug 2025 | Weichai Power Co., Ltd. | Open Market Disposition | -94,047 | $89.00 | 10,716,152 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 1,750,561 | 7.6% | 3.9 |
| 30 Sep 2026 | 1,724,359 | 7.5% | 4.0 |
| 15 Sep 2026 | 1,750,983 | 7.6% | 5.3 |
| 31 Aug 2026 | 1,728,564 | 7.5% | 6.2 |
| 14 Aug 2026 | 1,704,163 | 7.4% | 2.6 |
| 31 Jul 2026 | 1,963,145 | 8.5% | 4.5 |
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