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: +$161.8K (13 inflow days, 7 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 64.3% of shares outstanding.
Reported short interest has risen from 1.50% to 2.19% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Dean Investment Associates, LLC | Mutual Fund | 2026/Q3 | +51,963 | 0.3% |
| Acadian Asset Management LLC | Mutual Fund | 2026/Q3 | +146,930 | 2.1% |
| Columbia Management Investment Advisers, LLC | Mutual Fund | 2026/Q3 | +123,655 | 0.6% |
| Segall Bryant & Hamill, LLC | Mutual Fund | 2026/Q3 | +82,117 | 0.4% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +77,567 | 1.5% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +62,494 | 0.8% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +61,799 | 1.1% |
| Algert Global LLC | Hedge Fund | 2026/Q3 | +56,361 | 0.6% |
| PanAgora Asset Management, Inc. | Mutual Fund | 2026/Q3 | +54,196 | 0.3% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +40,389 | 0.4% |
| T. Rowe Price Group, Inc. | Mutual Fund | 2026/Q3 | +38,237 | 0.8% |
| Epoch Investment Partners, Inc. | Mutual Fund | 2026/Q3 | +35,313 | 0.2% |
| PDT Partners, LLC | Hedge Fund | 2026/Q3 | +33,040 | 0.2% |
| Boston Partners Global Investors, Inc. | Mutual Fund | 2026/Q3 | +32,961 | 1.0% |
| Mawer Investment Management Ltd. | Mutual Fund | 2026/Q3 | +31,084 | 0.2% |
Institutional buy/sell activity by reporting period, largest moves first.
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 7 Sep 2026 | Marvin Cheng | VP of Manufacturing & Secretary | Open Market Disposition | -6,000 | $48.50 | 5,252,272 |
| 31 Aug 2026 | Marvin Cheng | VP of Manufacturing & Secretary | Open Market Disposition | -2,000 | $47.75 | 5,258,272 |
| 19 Aug 2026 | Marvin Cheng | VP of Manufacturing & Secretary | Open Market Disposition | -4,500 | $47.33 | 5,260,272 |
| 12 Aug 2026 | Jian Guo | Chief Financial Officer | Derivative Exercise and Retained | +4,700 | $16.53 | 41,529 |
| 14 May 2026 | Alan Yu | Chairperson & CEO | Sale to Issuer | -2,124 | $26.28 | 6,097,181 |
| 14 May 2026 | Daniel Quire | Chief Revenue Officer | Sale to Issuer | -2,065 | $26.28 | 23,631 |
| 14 May 2026 | Jian Guo | Chief Financial Officer | Sale to Issuer | -2,733 | $26.28 | 36,829 |
| 11 May 2026 | Alan Yu | Chairperson & CEO | Derivative Exercise and Retained | +8,000 | – | 6,099,305 |
| 11 May 2026 | Daniel Quire | Chief Revenue Officer | Derivative Exercise and Retained | +8,000 | – | 25,696 |
| 11 May 2026 | Jian Guo | Chief Financial Officer | Derivative Exercise and Retained | +8,000 | – | 39,562 |
| 6 May 2026 | Eve Yen | Independent Director | Derivative Exercise and Retained | +1,000 | – | 8,000 |
| 6 May 2026 | Paul Chen | Lead Independent Director | Derivative Exercise and Retained | +1,000 | – | 7,000 |
| 6 May 2026 | Eric Chen | Independent Director | Derivative Exercise and Retained | +1,000 | – | 7,000 |
| 10 Mar 2026 | Alan Yu | Chairperson & CEO | Other Derivative Acquisition | +32,000 | – | 32,000 |
| 10 Mar 2026 | Daniel Quire | Chief Revenue Officer | Other Derivative Acquisition | +24,000 | – | 24,000 |
| 10 Mar 2026 | Jian Guo | Chief Financial Officer | Other Derivative Acquisition | +28,000 | – | 28,000 |
| 11 Nov 2025 | Jian Guo | Chief Financial Officer | Open Market Acquisition | +1,361 | $22.11 | 31,562 |
| 14 Aug 2025 | Jian Guo | Chief Financial Officer | Derivative Exercise and Retained | +2,450 | $16.53 | 30,201 |
| 26 Jun 2025 | Alan Yu | Chairperson & CEO | Private Disposition | -112,500 | $27.00 | 6,091,305 |
| 26 Jun 2025 | Marvin Cheng | VP of Manufacturing & Secretary | Private Disposition | -112,500 | $27.00 | 5,257,272 |
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 | 436,268 | 2.2% | 3.3 |
| 31 Aug 2026 | 313,251 | 1.6% | 2.5 |
| 14 Aug 2026 | 230,269 | 1.2% | 1.2 |
| 31 Jul 2026 | 260,922 | 1.3% | 2.0 |
| 15 Jul 2026 | 284,839 | 1.4% | 2.4 |
| 30 Jun 2026 | 300,210 | 1.5% | 1.7 |
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