SeaStar Medical Holding Corporation (ICU) NASDAQ
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ICU Historical Return
If you invested $1000 in SeaStar Medical Holding Corporation (ICU) since IPO date, it would be worth $1.18 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 3 years ago would be worth $62.86, while $1000 invested 1 year ago would be worth $348.28. This corresponds to total returns of -99.88%, -93.71%, -65.17%, respectively, with annualized returns of -81.79%, -60.2%, -65.17%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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ICU Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| September 11, 2026 | 3.13 | 3.03 | 3.03 | 3.13 | 2.97 | 45,116 |
| September 10, 2026 | 3.22 | 3.13 | 3.13 | 3.34 | 3.09 | 66,896 |
| September 09, 2026 | 3.06 | 3.1 | 3.1 | 3.15 | 3.03 | 61,813 |
| September 08, 2026 | 2.97 | 2.95 | 2.95 | 3.03 | 2.89 | 26,429 |
| September 04, 2026 | 2.93 | 2.98 | 2.98 | 3.01 | 2.84 | 25,261 |
| September 03, 2026 | 2.91 | 2.91 | 2.91 | 3.02 | 2.86 | 25,647 |
| September 02, 2026 | 2.97 | 2.88 | 2.88 | 3.03 | 2.87 | 85,377 |
| September 01, 2026 | 3.11 | 2.99 | 2.99 | 3.11 | 2.96 | 67,898 |
| August 31, 2026 | 3.07 | 3.13 | 3.13 | 3.17 | 3.05 | 33,349 |
| August 28, 2026 | 3.06 | 3.09 | 3.09 | 3.16 | 3.03 | 17,091 |
| August 27, 2026 | 3.16 | 3.1 | 3.1 | 3.19 | 3.03 | 51,631 |
| August 26, 2026 | 3.23 | 3.12 | 3.12 | 3.24 | 3.08 | 56,679 |
| August 25, 2026 | 3.28 | 3.18 | 3.18 | 3.29 | 3.12 | 49,155 |
| August 24, 2026 | 3.39 | 3.19 | 3.19 | 3.4 | 3.19 | 0 |
| August 21, 2026 | 3.32 | 3.35 | 3.35 | 3.5 | 3.27 | 68,737 |
| August 20, 2026 | 3.31 | 3.34 | 3.34 | 3.43 | 3.2 | 55,965 |
| August 19, 2026 | 3.38 | 3.32 | 3.32 | 3.43 | 3.29 | 61,030 |
| August 18, 2026 | 3.3 | 3.34 | 3.34 | 3.34 | 3.3 | 29,991 |
| August 17, 2026 | 3.2 | 3.25 | 3.25 | 3.33 | 3.14 | 43,661 |
| August 14, 2026 | 3.15 | 3.18 | 3.18 | 3.29 | 3.11 | 58,844 |
| August 13, 2026 | 3.36 | 3.17 | 3.17 | 3.36 | 3.04 | 0 |
| August 12, 2026 | 3.36 | 3.36 | 3.36 | 3.36 | 3.3 | 0 |
| August 11, 2026 | 3.65 | 3.69 | 3.69 | 3.85 | 3.61 | 0 |
| August 10, 2026 | 3.3 | 3.69 | 3.69 | 3.82 | 3.3 | 205,180 |
| August 07, 2026 | 3.15 | 3.28 | 3.28 | 3.3 | 3.07 | 0 |
| August 06, 2026 | 3.16 | 3.05 | 3.05 | 3.16 | 3.02 | 47,509 |
| August 05, 2026 | 3.23 | 3.02 | 3.02 | 3.25 | 2.96 | 83,410 |
| August 04, 2026 | 3.29 | 3.19 | 3.19 | 3.34 | 3.09 | 65,476 |
| August 03, 2026 | 3.15 | 3.2 | 3.2 | 3.29 | 3.12 | 45,881 |
| July 31, 2026 | 3.33 | 3.13 | 3.13 | 3.33 | 3.06 | 84,702 |
| July 30, 2026 | 3.3 | 3.18 | 3.18 | 3.43 | 3.15 | 48,737 |
| July 29, 2026 | 3.48 | 3.25 | 3.25 | 3.72 | 3.24 | 61,519 |
| July 28, 2026 | 3.51 | 3.44 | 3.44 | 3.53 | 3.4 | 39,862 |
| July 27, 2026 | 3.79 | 3.57 | 3.57 | 3.96 | 3.57 | 66,315 |
| July 23, 2026 | 3.9 | 3.74 | 3.74 | 3.95 | 3.68 | 68,681 |
| July 22, 2026 | 3.84 | 3.89 | 3.89 | 4.04 | 3.8 | 29,992 |
| July 21, 2026 | 3.84 | 3.86 | 3.86 | 3.94 | 3.73 | 50,834 |
| July 20, 2026 | 4.07 | 3.85 | 3.85 | 4.11 | 3.8 | 36,748 |
| July 17, 2026 | 4.16 | 4 | 4 | 4.29 | 3.95 | 76,996 |
| July 16, 2026 | 4.56 | 4.22 | 4.22 | 4.62 | 4.13 | 88,073 |
| July 15, 2026 | 4.79 | 4.62 | 4.62 | 4.8 | 4.5 | 42,347 |
| July 14, 2026 | 4.74 | 4.8 | 4.8 | 5.01 | 4.6 | 66,857 |
| July 13, 2026 | 4.96 | 4.79 | 4.79 | 5.05 | 4.66 | 49,204 |
| July 10, 2026 | 4.96 | 4.95 | 4.95 | 5 | 4.68 | 91,744 |
| July 09, 2026 | 5.02 | 4.9 | 4.9 | 5.3 | 4.82 | 65,292 |
| July 08, 2026 | 4.96 | 5.08 | 5.08 | 5.36 | 4.82 | 108,444 |
| July 07, 2026 | 4.82 | 5.07 | 5.07 | 5.3 | 4.82 | 170,797 |
| July 06, 2026 | 4.9 | 4.76 | 4.76 | 4.94 | 4.74 | 134,276 |
| July 02, 2026 | 4.83 | 4.92 | 4.92 | 5.38 | 4.55 | 278,533 |
| July 01, 2026 | 3.7 | 4.86 | 4.86 | 4.95 | 3.7 | 493,547 |
| June 30, 2026 | 3.51 | 3.67 | 3.67 | 3.69 | 3.44 | 49,781 |
| June 29, 2026 | 3.08 | 3.55 | 3.55 | 3.79 | 3.08 | 158,309 |
| June 26, 2026 | 2.97 | 3.12 | 3.12 | 3.28 | 2.96 | 38,849 |
| June 25, 2026 | 3.06 | 2.98 | 2.98 | 3.09 | 2.98 | 52,101 |
| June 24, 2026 | 3.42 | 3.09 | 3.09 | 3.43 | 3.07 | 158,963 |
| June 23, 2026 | 3.45 | 3.47 | 3.47 | 3.61 | 3.21 | 97,123 |
| June 22, 2026 | 3.17 | 3.24 | 3.24 | 3.49 | 3.17 | 59,616 |
| June 18, 2026 | 3.09 | 3.12 | 3.12 | 3.15 | 3.07 | 41,137 |
| June 17, 2026 | 3.01 | 3.06 | 3.06 | 3.24 | 3.01 | 47,987 |
| June 16, 2026 | 3.1 | 3.04 | 3.04 | 3.15 | 3.01 | 41,380 |
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