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: −$5.07M (3 inflow days, 17 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 43.9% of shares outstanding.
Reported short interest has risen from 8.22% to 8.75% 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 | +160,130 | 0.2% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +816,894 | 1.9% |
| Integral Health Asset Management, LLC | Hedge Fund | 2026/Q3 | +550,000 | 0.7% |
| BlackRock | Mutual Fund | 2026/Q3 | +364,934 | 13.7% |
| Invesco Ltd. | Mutual Fund | 2026/Q3 | +354,779 | 4.4% |
| PFM Health Sciences, LP | Hedge Fund | 2026/Q3 | +348,746 | 0.4% |
| Neuberger Berman Investment Advisers LLC | Mutual Fund | 2026/Q3 | +249,522 | 3.0% |
| Franklin Resources | Mutual Fund | 2026/Q3 | +230,554 | 0.3% |
| Nuveen Investments | Mutual Fund | 2026/Q3 | +205,134 | 0.3% |
| Marshall Wace LLP | Hedge Fund | 2026/Q3 | +176,254 | 0.4% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +160,814 | 1.9% |
| Quantinno Capital Management LP | Mutual Fund | 2026/Q3 | +149,703 | 0.8% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +134,650 | 2.3% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +131,515 | 0.2% |
| IEQ Capital, LLC | Mutual Fund | 2026/Q3 | +125,262 | 0.2% |
Institutional buy/sell activity by reporting period, largest moves first.
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 16 Sep 2026 | Lesha Shinn | Initial Statement of Beneficial | +0 | – | 26,838 | |
| 31 Aug 2026 | Chantal Veillon-Berteloot | Executive Vice President | Sale to Issuer | -1,455 | $16.62 | 20,772 |
| 2 Jul 2026 | Lea Knight | Chief Financial Officer | Sale to Issuer | -5,226 | $18.05 | 45,263 |
| 30 Jun 2026 | Robert Davis | Executive VP & President of Tissue Technologies | Other Derivative Acquisition | +11,180 | – | 54,530 |
| 30 Jun 2026 | Jeffrey Mosebrook | Senior VP & PAO | Sale to Issuer | -937 | $17.89 | 34,516 |
| 30 Jun 2026 | Harvinder Singh | Executive VP & President of International Business | Other Derivative Acquisition | +5,590 | – | 68,883 |
| 31 May 2026 | Stuart Essig | Independent Chairperson | Other Derivative Acquisition | +365,297 | – | 365,297 |
| 31 May 2026 | Stuart Essig | Independent Chairperson | Other Derivative Acquisition | +705,468 | $15.67 | 705,468 |
| 31 May 2026 | Michael McBreen | Executive VP & President of Codman Specialty Surgical | Other Derivative Acquisition | +31,909 | – | 124,017 |
| 31 May 2026 | Michael McBreen | Executive VP & President of Codman Specialty Surgical | Other Derivative Acquisition | +60,372 | $15.67 | 60,372 |
| 8 May 2026 | Keith N. Bradley | Independent Director | Sale to Issuer | -882 | $13.92 | 88,254 |
| 6 May 2026 | Christian Schade | Independent Director | Other Derivative Acquisition | +17,700 | – | 17,700 |
| 6 May 2026 | Barbara Hill | Independent Director | Other Acquisition | +24,338 | – | 187,541 |
| 6 May 2026 | Keith N. Bradley | Independent Director | Other Derivative Acquisition | +17,700 | – | 17,700 |
| 6 May 2026 | Jeffrey Graves | Director | Other Derivative Acquisition | +17,700 | – | 17,700 |
| 6 May 2026 | Shaundra Clay | Independent Director | Other Derivative Acquisition | +17,700 | – | 17,700 |
| 6 May 2026 | Renee Lo | Independent Director | Other Derivative Acquisition | +17,700 | – | 17,700 |
| 10 Mar 2026 | Robert Davis | Executive VP & President of Tissue Technologies | Other Derivative Acquisition | +43,350 | – | 43,350 |
| 10 Mar 2026 | Mojdeh Poul | Chief Executive Officer | Other Derivative Acquisition | +343,393 | – | 445,691 |
| 10 Mar 2026 | Jeffrey Mosebrook | Senior VP & PAO | Other Derivative Acquisition | +15,957 | – | 15,957 |
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 | 6,806,086 | 8.8% | 8.3 |
| 31 Aug 2026 | 6,858,036 | 8.8% | 12.3 |
| 14 Aug 2026 | 6,742,359 | 8.7% | 10.0 |
| 31 Jul 2026 | 6,477,081 | 8.3% | 5.9 |
| 15 Jul 2026 | 6,205,140 | 8.0% | 7.2 |
| 30 Jun 2026 | 6,394,225 | 8.2% | 5.7 |
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