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: −$1.70M (9 inflow days, 11 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 66.0% of shares outstanding.
Reported short interest has fallen from 6.76% to 5.44% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Needham Investment Management, LLC | Mutual Fund | 2026/Q3 | +2,639,416 | 8.7% |
| Wasatch Advisors LP | Mutual Fund | 2026/Q3 | +1,219,738 | 4.0% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +1,062,072 | 3.5% |
| Alyeska Investment Group, L.P. | Hedge Fund | 2026/Q3 | +731,950 | 2.4% |
| BlackRock | Mutual Fund | 2026/Q3 | +678,055 | 2.2% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +533,783 | 1.8% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +453,009 | 1.5% |
| Federated Hermes, Inc. | Mutual Fund | 2026/Q3 | +400,000 | 1.3% |
| AWM Investment Company Inc | Hedge Fund | 2026/Q3 | +344,853 | 1.1% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +238,064 | 0.8% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +232,244 | 0.8% |
| Davidson Kempner Capital Management LP | Hedge Fund | 2026/Q3 | +225,000 | 0.7% |
| Woodline Partners LP | Hedge Fund | 2026/Q3 | +225,000 | 0.7% |
| Ghisallo Capital Management LLC | Hedge Fund | 2026/Q3 | +200,000 | 0.7% |
| ExodusPoint Capital Management, LP | Hedge Fund | 2026/Q3 | +199,124 | 0.7% |
Institutional buy/sell activity by reporting period, largest moves first.
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 1 Jun 2026 | Mark Miklos | Independent Vice Chairperson | Other Acquisition | +4,286 | – | 5,715 |
| 18 May 2026 | Peter Woodward | Independent Director | Other Acquisition | +1,429 | – | 1,429 |
| 18 May 2026 | Brian Deveaux | Independent Director | Other Acquisition | +1,429 | – | 1,429 |
| 18 May 2026 | Kathie Leonard | Independent Director | Other Acquisition | +1,429 | – | 1,429 |
| 18 May 2026 | Scott Knoll | Executive VP of Corporate Strategy & Director | Other Acquisition | +35,357 | – | 35,357 |
| 18 May 2026 | Mark Miklos | Independent Vice Chairperson | Other Acquisition | +1,429 | – | 1,429 |
| 18 May 2026 | David Carpenter | Chief Human Resources Officer | Other Acquisition | +28,857 | – | 28,857 |
| 18 May 2026 | Christian Chandler | Executive Vice President | Other Acquisition | +12,286 | – | 12,286 |
| 18 May 2026 | Kimberly Anania | Director | Other Acquisition | +1,429 | – | 1,429 |
| 18 May 2026 | Michael Lee | Chief Financial Officer | Other Acquisition | +33,750 | – | 33,750 |
| 18 May 2026 | Derek Fox | President of Critical Materials Components Division | Other Acquisition | +50,584 | – | 50,584 |
| 18 May 2026 | John Chandler | Independent Director | Other Acquisition | +1,429 | – | 1,429 |
| 18 May 2026 | William Homiller | Independent Director | Other Acquisition | +1,429 | – | 1,429 |
| 18 May 2026 | James Detert | President of Engineered Microwave Products Division | Other Acquisition | +39,714 | – | 39,714 |
| 13 May 2026 | Derek Fox | President of Critical Materials Components Division | Derivative Exercise and Sale | -310,420 | $14.00 | 784,064 |
| 21 Apr 2026 | Kathie Leonard | Independent Director | Open Market Acquisition | +5,000 | $14.00 | 5,000 |
| 21 Apr 2026 | Scott Knoll | Executive VP of Corporate Strategy & Director | Initial Statement of Beneficial | +0 | – | 1,551,950 |
| 21 Apr 2026 | ANANIA & Associates Investment Company LLC | Initial Statement of Beneficial | +0 | – | 5,396,719 | |
| 21 Apr 2026 | David Carpenter | Chief Human Resources Officer | Initial Statement of Beneficial | +0 | – | 20,000 |
| 21 Apr 2026 | Christian Chandler | Executive Vice President | Initial Statement of Beneficial | +0 | – | 256,147 |
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 | 1,657,457 | 5.4% | 1.0 |
| 31 Aug 2026 | 1,350,413 | 4.4% | 3.3 |
| 14 Aug 2026 | 1,129,120 | 3.7% | 4.4 |
| 31 Jul 2026 | 1,095,161 | 3.7% | 3.0 |
| 15 Jul 2026 | 964,515 | 3.2% | 1.9 |
| 30 Jun 2026 | 2,027,225 | 6.8% | 2.9 |
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