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: −$1.40M (6 inflow days, 14 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 31.4% of shares outstanding.
Reported short interest has risen from 5.40% to 8.90% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +75,819 | 0.2% |
| Aigh Capital Management, LLC | Hedge Fund | 2026/Q3 | +1,678,409 | 4.7% |
| ACK Asset Management LLC | Hedge Fund | 2026/Q3 | +877,500 | 2.5% |
| IES Holdings, Inc. | Public Company | 2026/Q3 | +865,768 | 2.4% |
| Driehaus Capital Management LLC | Mutual Fund | 2026/Q3 | +831,657 | 2.4% |
| American Century Investment Management | Mutual Fund | 2026/Q3 | +302,241 | 3.5% |
| T. Rowe Price Group, Inc. | Mutual Fund | 2026/Q3 | +299,648 | 6.9% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +245,612 | 3.5% |
| Deutsche Asset & Wealth Management | Mutual Fund | 2026/Q3 | +240,731 | 0.7% |
| Crestline Investors Inc. | Hedge Fund | 2026/Q3 | +234,699 | 0.7% |
| Congruence Capital, LLC | Hedge Fund | 2026/Q3 | +206,883 | 0.6% |
| Portolan Capital Management, LLC | Hedge Fund | 2026/Q3 | +200,000 | 0.6% |
| Hamco Am Sgiic, S.A. | Mutual Fund | 2026/Q3 | +200,000 | 0.9% |
| PanAgora Asset Management, Inc. | Mutual Fund | 2026/Q3 | +134,425 | 0.6% |
| Acadian Asset Management LLC | Mutual Fund | 2026/Q3 | +131,283 | 3.0% |
Institutional buy/sell activity by reporting period, largest moves first.
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 30 Sep 2026 | Laura Kowalchik | Chief Financial Officer | Sale to Issuer | -14,012 | $14.29 | 51,082 |
| 21 Sep 2026 | Bruce Crowther | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Mark Schwabero | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | David Blom | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Jonathan DeGaynor | Chief Executive Officer | Other Derivative Acquisition | +170,840 | – | 170,840 |
| 21 Sep 2026 | Laura Kowalchik | Chief Financial Officer | Other Derivative Acquisition | +41,831 | – | 41,831 |
| 21 Sep 2026 | Mary Lindsey | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Brian Cadwallader | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Therese Bobek | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Kerry Vyverberg | General Counsel | Other Derivative Acquisition | +16,634 | – | 16,634 |
| 21 Sep 2026 | Stacie Schulz | Chief Accounting Officer | Other Derivative Acquisition | +4,922 | – | 4,922 |
| 21 Sep 2026 | John Erwin | Chief Procurement Officer | Other Derivative Acquisition | +18,045 | – | 18,045 |
| 21 Sep 2026 | Lars Ullrich | Senior Vice President of Global Automotive Business | Other Derivative Acquisition | +27,625 | – | 27,625 |
| 10 Sep 2026 | John Erwin | Chief Procurement Officer | Sale to Issuer | -5,667 | $14.61 | 25,534 |
| 1 Sep 2026 | Stacie Schulz | Chief Accounting Officer | Sale to Issuer | -1,649 | $18.10 | 9,811 |
| 7 Aug 2026 | Jonathan DeGaynor | Chief Executive Officer | Sale to Issuer | -47,268 | $16.67 | 132,880 |
| 7 Aug 2026 | Laura Kowalchik | Chief Financial Officer | Sale to Issuer | -11,268 | $16.67 | 32,959 |
| 7 Aug 2026 | Kerry Vyverberg | General Counsel | Sale to Issuer | -4,327 | $16.67 | 25,118 |
| 7 Aug 2026 | John Erwin | Chief Procurement Officer | Sale to Issuer | -4,068 | $16.67 | 16,802 |
| 7 Aug 2026 | Lars Ullrich | Senior Vice President of Global Automotive Business | Sale to Issuer | -8,157 | $16.67 | 35,116 |
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 | 3,171,340 | 8.9% | 3.4 |
| 31 Aug 2026 | 2,813,509 | 7.9% | 4.1 |
| 14 Aug 2026 | 2,729,150 | 7.7% | 5.0 |
| 31 Jul 2026 | 2,344,766 | 6.6% | 4.7 |
| 15 Jul 2026 | 2,331,931 | 6.6% | 3.0 |
| 30 Jun 2026 | 1,913,842 | 5.4% | 1.4 |
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