AVANTOR INC (AVTR) Stock Ownership and Short Interest
USA - New York Stock Exchange - NYSE:AVTR - US05352A1007 - Common Stock
11.73 USD
-0.01 (-0.09%)
11.73 USD
0 (0%)
| Shares Outstanding | 681.81M |
| Float | 657.58M |
| Float Short Interest Percentage | 3.34% |
| Owners (insider) | 0.34% |
| Owners (institutional) | 103.37% |
| Owners (insider) change | 6.07% |
| Owners (institutional) change | -5.17% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Nov 17, 2025 | Ligner Emmanuel | Open Market Purchase | 87500 | 11.35 | $ 993,125.00 |
| Nov 10, 2025 | Blenn Mary | Grant | 17391 | 0.00 | $ 0.00 |
| Oct 30, 2025 | SUMME GREGORY L | Open Market Purchase | 100000 | 11.25 | $ 1,125,000.00 |
| Oct 3, 2025 | LUCIER GREGORY T | Grant | 8736 | 0.00 | $ 0.00 |
| Oct 2, 2025 | Gourdier Benoit | Option Excercise | 1264 | 13.77 | $ 17,405.28 |
| Aug 21, 2025 | SUMME GREGORY L | Open Market Purchase | 100000 | 12.56 | $ 1,256,000.00 |
| Aug 18, 2025 | Ligner Emmanuel | Grant | 195924 | 0.00 | $ 0.00 |
| Aug 14, 2025 | Hankamer Brittany | Option Excercise | 181 | 12.98 | $ 2,349.38 |
| Aug 8, 2025 | Couturier Christophe | Grant | 65217 | 0.00 | $ 0.00 |
| Aug 5, 2025 | Eck Steven W | Open Market Sale | 3476 | 11.39 | $ 39,591.64 |
| Jul 31, 2025 | Eck Steven W | Option Excercise | 1385 | 13.44 | $ 18,614.40 |
| Jul 24, 2025 | Sokenu Claudius | Option Excercise | 3123 | 14.01 | $ 43,753.23 |
| Jun 21, 2025 | Walker Corey | Option Excercise | 2730 | 13.57 | $ 37,046.10 |
| May 23, 2025 | SUMME GREGORY L | Open Market Purchase | 30000 | 12.50 | $ 375,000.00 |
| May 22, 2025 | SUMME GREGORY L | Open Market Purchase | 20000 | 12.65 | $ 253,000.00 |
| May 21, 2025 | Stubblefield Michael | Other Disposition | 152000 | 0.00 | $ 0.00 |
| May 9, 2025 | Walker Corey | Grant | 162866 | 0.00 | $ 0.00 |
| May 9, 2025 | Eck Steven W | Grant | 20358 | 0.00 | $ 0.00 |
| May 9, 2025 | Sokenu Claudius | Grant | 122149 | 0.00 | $ 0.00 |
| May 9, 2025 | Hankamer Brittany | Grant | 122149 | 0.00 | $ 0.00 |
| May 9, 2025 | Couturier Christophe | Grant | 61074 | 0.00 | $ 0.00 |
| May 9, 2025 | Jones R. Brent | Grant | 162866 | 0.00 | $ 0.00 |
| May 9, 2025 | Gourdier Benoit | Grant | 162866 | 0.00 | $ 0.00 |
| May 8, 2025 | Carethers John | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | SUMME GREGORY L | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Massaro Joseph R | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Peacock Jonathan M | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Kang Lan | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Murthy Mala | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Andres Juan | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Makin Louise | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | SEVERINO MICHAEL | Grant | 17100 | 0.00 | $ 0.00 |
| May 7, 2025 | SUMME GREGORY L | Open Market Purchase | 25000 | 12.00 | $ 300,000.00 |
| Apr 29, 2025 | Massaro Joseph R | Open Market Purchase | 8100 | 12.30 | $ 99,630.00 |
| Apr 28, 2025 | SUMME GREGORY L | Open Market Purchase | 25000 | 12.50 | $ 312,500.00 |
| Apr 28, 2025 | Kang Lan | Open Market Purchase | 5000 | 12.57 | $ 62,850.00 |
| Apr 28, 2025 | Peacock Jonathan M | Open Market Purchase | 8091 | 12.81 | $ 103,645.71 |
| Apr 5, 2025 | Couturier Christophe | Option Excercise | 569 | 15.13 | $ 8,608.97 |
| Feb 26, 2025 | Bramwell James | Open Market Sale | 4532 | 17.44 | $ 79,035.74 |
| Feb 26, 2025 | Eck Steven W | Open Market Sale | 5940 | 17.44 | $ 103,580.71 |
| Feb 24, 2025 | Couturier Christophe | Option Excercise | 1306 | 17.51 | $ 22,865.86 |
| Feb 24, 2025 | Stubblefield Michael | Option Excercise | 11769 | 17.51 | $ 206,051.64 |
| Feb 24, 2025 | Eck Steven W | Option Excercise | 944 | 17.52 | $ 16,537.13 |
| Feb 24, 2025 | Bramwell James | Option Excercise | 2764 | 17.49 | $ 48,339.55 |
| Feb 24, 2025 | Hankamer Brittany | Option Excercise | 806 | 17.51 | $ 14,114.03 |
| Feb 23, 2025 | Eck Steven W | Option Excercise | 1956 | 17.30 | $ 33,838.80 |
| Feb 23, 2025 | Hankamer Brittany | Option Excercise | 1537 | 17.30 | $ 26,590.10 |
| Feb 23, 2025 | Sokenu Claudius | Option Excercise | 2318 | 17.30 | $ 40,101.40 |
| Feb 23, 2025 | Stubblefield Michael | Option Excercise | 14674 | 17.30 | $ 253,860.20 |
| Feb 23, 2025 | Bramwell James | Option Excercise | 3443 | 17.30 | $ 59,563.90 |
| Feb 23, 2025 | Couturier Christophe | Option Excercise | 1506 | 17.30 | $ 26,053.80 |
| Feb 23, 2025 | Gourdier Benoit | Option Excercise | 2842 | 17.30 | $ 49,166.60 |
| Feb 20, 2025 | Eck Steven W | Grant | 18867 | 0.00 | $ 0.00 |
| Feb 20, 2025 | Hankamer Brittany | Grant | 17152 | 0.00 | $ 0.00 |
| Feb 20, 2025 | Sokenu Claudius | Grant | 21440 | 0.00 | $ 0.00 |
| Feb 20, 2025 | Jones R. Brent | Grant | 80045 | 0.00 | $ 0.00 |
| Feb 20, 2025 | Stubblefield Michael | Grant | 157232 | 0.00 | $ 0.00 |
| Feb 20, 2025 | Couturier Christophe | Grant | 12864 | 0.00 | $ 0.00 |
| Feb 20, 2025 | Gourdier Benoit | Grant | 35734 | 0.00 | $ 0.00 |