Who holds it, who is betting against it, and where the big money is moving
Net of large-order buying minus selling, in USD. Over this window: +$289.1K (11 inflow days, 9 outflow days).
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 23.3% of shares outstanding.
Reported short interest has fallen from 8.19% to 6.93% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Andrew Cunningham | Individual/Insider | 2026/Q3 | +13,308,363 | 3.8% |
| Acadian Asset Management LLC | Mutual Fund | 2026/Q3 | +4,495,854 | 1.3% |
| Renaissance Technologies Corp. | Hedge Fund | 2026/Q3 | +3,781,303 | 1.2% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +2,112,603 | 0.8% |
| Hillsdale Investment Management Inc. | Mutual Fund | 2026/Q3 | +1,692,500 | 0.5% |
| D. E. Shaw & Co., L.P. | Hedge Fund | 2026/Q3 | +1,521,542 | 2.8% |
| SG Americas Securities, LLC | Private Company | 2026/Q3 | +1,360,770 | 0.4% |
| Numeric Investors LLC | Hedge Fund | 2026/Q3 | +1,190,069 | 0.3% |
| Teachers Insurance and Annuity Association-College Retirement Equities Fund | Mutual Fund | 2026/Q3 | +1,045,012 | 0.3% |
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +967,371 | 0.3% |
| Voloridge Investment Management, LLC | Hedge Fund | 2026/Q3 | +909,440 | 0.3% |
| Legal & General Investment Management | Mutual Fund | 2026/Q3 | +827,698 | 2.1% |
| Trexquant Investment LP | Hedge Fund | 2026/Q3 | +649,892 | 0.2% |
| Aquatic Capital Management LLC | Hedge Fund | 2026/Q3 | +588,397 | 0.2% |
| Ohio Public Employees Retirement System | Government Pension Fund | 2026/Q3 | +465,495 | 0.2% |
Institutional buy/sell activity by reporting period, largest moves first.
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 5 Jul 2026 | Weichai Power Co., Ltd. | Intent to Sell (Form 144) | -15,000,000 | $3.81 | – | |
| 11 May 2026 | Weichai Power Co., Ltd. | Open Market Disposition | -9,473,688 | $4.22 | 39,252,826 | |
| 7 May 2026 | Weichai Power Co., Ltd. | Intent to Sell (Form 144) | -15,028,886 | $4.31 | – | |
| 8 Mar 2026 | Jay Murray | Former Acting Chief Financial Officer and Corporate Controller | Derivative Exercise and Retained | +1,966 | $2.00 | 7,960 |
| 8 Mar 2026 | Sarbjot Sidhu | Senior VP and Chief People & Culture Officer | Derivative Exercise and Retained | +3,586 | $2.00 | 39,111 |
| 8 Mar 2026 | Lee Sweetland | Director of Advanced Manufacturing | Derivative Exercise and Retained | +2,838 | $2.00 | 35,079 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Sep 2026 | 20,900,393 | 6.9% | 6.4 |
| 31 Aug 2026 | 19,162,596 | 6.4% | 7.4 |
| 14 Aug 2026 | 18,061,841 | 6.0% | 4.9 |
| 31 Jul 2026 | 16,558,574 | 5.5% | 2.2 |
| 15 Jul 2026 | 25,762,152 | 8.5% | 4.9 |
| 30 Jun 2026 | 24,683,785 | 8.2% | 3.4 |
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