If you invested $1000 in Avantor, Inc. (AVTR) since IPO date, it would be worth $1,021.38 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $349.87, while $1000 invested 1 year ago would be worth $1,138.36. This corresponds to total returns of 2.14%, -65.01%, 13.84%, respectively, with annualized returns of 0.29%, -18.95%, 13.84%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| September 11, 2026 | 15.01 | 14.81 | 14.81 | 15.05 | 14.7 | 6.18M |
| September 10, 2026 | 14.72 | 14.88 | 14.88 | 14.94 | 14.6 | 7.54M |
| September 09, 2026 | 15.08 | 14.88 | 14.88 | 15.16 | 14.72 | 7.85M |
| September 08, 2026 | 14.83 | 15.25 | 15.25 | 15.46 | 14.67 | 12.5M |
| September 04, 2026 | 15.13 | 14.97 | 14.97 | 15.18 | 14.85 | 7.65M |
| September 03, 2026 | 14.78 | 15.19 | 15.19 | 15.2 | 14.59 | 9.32M |
| September 02, 2026 | 14.22 | 14.65 | 14.65 | 14.84 | 14.22 | 8.92M |
| September 01, 2026 | 14.55 | 14.2 | 14.2 | 14.63 | 14.19 | 5.67M |
| August 31, 2026 | 14.54 | 14.54 | 14.54 | 14.59 | 14.34 | 6.53M |
| August 28, 2026 | 14.5 | 14.58 | 14.58 | 14.65 | 14.45 | 5.3M |
| August 27, 2026 | 14.51 | 14.61 | 14.61 | 14.7 | 14.43 | 6M |
| August 26, 2026 | 14.23 | 14.5 | 14.5 | 14.63 | 14.2 | 4.77M |
| August 25, 2026 | 14.26 | 14.42 | 14.42 | 14.5 | 14.05 | 5.56M |
| August 24, 2026 | 14.29 | 14.26 | 14.26 | 14.36 | 14.05 | 5.19M |
| August 21, 2026 | 14.31 | 14.46 | 14.46 | 14.49 | 14.16 | 6.06M |
| August 20, 2026 | 13.79 | 14.25 | 14.25 | 14.48 | 13.76 | 7.13M |
| August 19, 2026 | 13.56 | 13.96 | 13.96 | 14.11 | 13.51 | 6.42M |
| August 18, 2026 | 13.61 | 13.33 | 13.33 | 13.72 | 13.33 | 6.31M |
| August 17, 2026 | 13.54 | 13.5 | 13.5 | 13.72 | 13.45 | 4.54M |
| August 14, 2026 | 13.78 | 13.66 | 13.66 | 13.83 | 13.63 | 3.96M |
| August 13, 2026 | 13.98 | 13.85 | 13.85 | 14.02 | 13.66 | 5.94M |
| August 12, 2026 | 13.57 | 13.93 | 13.93 | 13.94 | 13.42 | 6.2M |
| August 11, 2026 | 13.65 | 13.77 | 13.77 | 13.81 | 13.54 | 7.64M |
| August 10, 2026 | 13.5 | 13.73 | 13.73 | 13.79 | 13.4 | 6.43M |
| August 07, 2026 | 13.33 | 13.59 | 13.59 | 13.59 | 13.24 | 6.22M |
| August 06, 2026 | 13.4 | 13.18 | 13.18 | 13.5 | 13.08 | 8.74M |
| August 05, 2026 | 13.8 | 13.36 | 13.36 | 13.82 | 13.27 | 9.57M |
| August 04, 2026 | 13.71 | 13.68 | 13.68 | 13.76 | 13.23 | 11.82M |
| August 03, 2026 | 13.97 | 13.67 | 13.67 | 14 | 13.57 | 9.03M |
| July 31, 2026 | 13.42 | 13.78 | 13.78 | 13.93 | 13.42 | 12.4M |
| July 30, 2026 | 14.55 | 13.86 | 13.86 | 14.59 | 13.6 | 17.46M |
| July 29, 2026 | 14.49 | 14.38 | 14.38 | 14.62 | 13.63 | 42.79M |
| July 28, 2026 | 11.87 | 12.42 | 12.42 | 12.47 | 11.87 | 20.27M |
| July 27, 2026 | 11.46 | 11.76 | 11.76 | 11.92 | 11.36 | 16.5M |
| July 24, 2026 | 11.39 | 11.44 | 11.44 | 11.61 | 11.33 | 12.28M |
| July 23, 2026 | 11.19 | 11.35 | 11.35 | 11.75 | 11.1 | 15.5M |
| July 22, 2026 | 11 | 10.95 | 10.95 | 11.09 | 10.75 | 7.26M |
| July 21, 2026 | 10.29 | 10.99 | 10.99 | 11.03 | 10.19 | 11.08M |
| July 20, 2026 | 10.98 | 10.66 | 10.66 | 11.12 | 10.59 | 9.38M |
| July 17, 2026 | 11.1 | 11.07 | 11.07 | 11.31 | 10.89 | 10.85M |
| July 16, 2026 | 11.22 | 11.26 | 11.26 | 11.43 | 11.13 | 13.19M |
| July 15, 2026 | 11.36 | 11.2 | 11.2 | 11.47 | 11.12 | 10.3M |
| July 14, 2026 | 10.56 | 11.29 | 11.29 | 11.32 | 10.42 | 13.33M |
| July 13, 2026 | 10.33 | 10.56 | 10.56 | 10.62 | 10.31 | 6.53M |
| July 10, 2026 | 10.6 | 10.39 | 10.39 | 10.64 | 10.37 | 6.65M |
| July 09, 2026 | 9.76 | 10.51 | 10.51 | 10.67 | 9.73 | 9.12M |
| July 08, 2026 | 10.08 | 9.76 | 9.76 | 10.15 | 9.74 | 6.99M |
| July 07, 2026 | 10.49 | 10.2 | 10.2 | 10.57 | 10.05 | 6.93M |
| July 06, 2026 | 10.35 | 10.37 | 10.37 | 10.54 | 10.13 | 7.51M |
| July 02, 2026 | 10.1 | 10.32 | 10.32 | 10.32 | 10.05 | 8.32M |
| July 01, 2026 | 10 | 10.01 | 10.01 | 10.3 | 9.78 | 10.71M |
| June 30, 2026 | 10.1 | 9.9 | 9.9 | 10.15 | 9.87 | 6.5M |
| June 29, 2026 | 10.3 | 10.03 | 10.03 | 10.3 | 9.82 | 8.63M |
| June 26, 2026 | 10.03 | 10.28 | 10.28 | 10.4 | 10.03 | 10.62M |
| June 25, 2026 | 9.91 | 10.08 | 10.08 | 10.25 | 9.84 | 9.12M |
| June 24, 2026 | 9.61 | 9.69 | 9.69 | 9.87 | 9.44 | 7.91M |
| June 23, 2026 | 9.38 | 9.43 | 9.43 | 9.52 | 9.15 | 11.46M |
| June 22, 2026 | 9.5 | 9.35 | 9.35 | 9.62 | 9.35 | 7.39M |
| June 18, 2026 | 9.35 | 9.58 | 9.58 | 9.67 | 9.35 | 8.04M |
| June 17, 2026 | 9.65 | 9.46 | 9.46 | 9.78 | 9.36 | 7.91M |