$0.3135
0.00351.13%
At close: Dec 16, 4:00 PM EST
$0.3066
-0.0069-2.20%
After Hours: 7:39 PM EST

Short interest in SeaStar Medical Holding Corp (NASDAQ:ICU) increased during the last reporting period, rising from 399.71K to 3.07M. This put 8.59% of the company's publicly available shares short.
Based on the recent average volume of 5.31M shares traded per day, it would take 1 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.
| Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ICU | SeaStar Medical Holding Corpor | 11/28/2025 | 12/09/2025 | 8.59% | 35,802,031 | 3,074,030 | 5,307,420 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 11/14/2025 | 11/25/2025 | 1.12% | 35,802,031 | 399,709 | 877,563 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 10/31/2025 | 11/11/2025 | 1.82% | 33,966,826 | 616,671 | 1,016,530 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 10/15/2025 | 10/24/2025 | 6.85% | 33,966,826 | 2,326,990 | 2,366,817 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 09/30/2025 | 10/09/2025 | 18.41% | 27,785,002 | 5,115,929 | 5,103,754 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 09/15/2025 | 09/24/2025 | 16.09% | 27,785,002 | 4,471,307 | 1,072,367 | 4.17 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 08/29/2025 | 09/10/2025 | 11.26% | 27,785,002 | 3,128,638 | 1,073,690 | 2.91 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 08/15/2025 | 08/26/2025 | 5.75% | 27,785,002 | 1,597,304 | 1,906,535 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 07/31/2025 | 08/11/2025 | 9.39% | 22,054,907 | 2,071,239 | 5,480,550 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 07/15/2025 | 07/24/2025 | 2.61% | 22,054,907 | 575,798 | 6,861,850 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 06/30/2025 | 07/10/2025 | 18.40% | 16,009,543 | 2,945,797 | 31,797,974 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 06/13/2025 | 06/25/2025 | 0.72% | 11,074,158 | 79,633 | 141,957 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 05/30/2025 | 06/10/2025 | 1.41% | 10,461,853 | 147,443 | 150,806 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 05/15/2025 | 05/27/2025 | 1.09% | 10,461,853 | 113,798 | 140,739 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 04/30/2025 | 05/09/2025 | 2.92% | 9,672,920 | 282,268 | 91,365 | 3.09 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 04/15/2025 | 04/25/2025 | 7.08% | 6,174,338 | 437,149 | 228,285 | 1.91 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 03/31/2025 | 04/09/2025 | 8.70% | 6,174,338 | 536,873 | 257,749 | 2.08 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 03/14/2025 | 03/25/2025 | 5.42% | 6,174,338 | 334,920 | 157,510 | 2.13 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 02/28/2025 | 03/11/2025 | 5.79% | 6,174,338 | 357,619 | 150,081 | 2.38 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 02/14/2025 | 02/26/2025 | 4.87% | 6,174,338 | 300,913 | 799,873 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 01/31/2025 | 02/11/2025 | 7.42% | 4,987,705 | 370,190 | 799,355 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 01/15/2025 | 01/27/2025 | 8.35% | 4,987,705 | 416,651 | 232,934 | 1.79 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 12/31/2024 | 01/10/2025 | 10.86% | 3,453,607 | 375,148 | 189,978 | 1.97 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 12/13/2024 | 12/24/2024 | 15.01% | 3,453,607 | 518,241 | 402,093 | 1.29 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 11/29/2024 | 12/10/2024 | 9.79% | 3,453,607 | 338,102 | 201,393 | 1.68 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 11/15/2024 | 11/26/2024 | 9.76% | 3,453,607 | 337,056 | 364,147 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 10/31/2024 | 11/11/2024 | 7.41% | 3,887,321 | 288,068 | 87,565 | 3.29 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 10/15/2024 | 10/24/2024 | 5.37% | 3,887,321 | 208,825 | 44,570 | 4.69 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 09/30/2024 | 10/09/2024 | 5.46% | 3,887,321 | 212,117 | 62,919 | 3.37 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 09/13/2024 | 09/24/2024 | 3.05% | 3,887,321 | 118,453 | 50,310 | 2.35 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 08/30/2024 | 09/11/2024 | 4.31% | 3,887,321 | 167,727 | 79,666 | 2.11 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 08/15/2024 | 08/26/2024 | 4.37% | 3,887,321 | 169,952 | 122,883 | 1.38 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 07/31/2024 | 08/09/2024 | 4.18% | 3,864,510 | 161,392 | 218,530 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 07/15/2024 | 07/24/2024 | 3.15% | 3,864,510 | 121,906 | 473,409 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 06/28/2024 | 07/10/2024 | 8.26% | 2,805,174 | 231,840 | 954,599 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 06/14/2024 | 06/26/2024 | 4.18% | 2,805,174 | 117,117 | 211,532 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 05/31/2024 | 06/11/2024 | 35.11% | 2,712,316 | 952,359 | 1,366,589 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 05/15/2024 | 05/24/2024 | 2.86% | 67,807,919 | 1,935,972 | 1,783,794 | 1.09 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 04/30/2024 | 05/09/2024 | 3.44% | 66,807,919 | 2,299,434 | 3,087,797 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 04/15/2024 | 04/24/2024 | 4.83% | 67,807,919 | 3,277,550 | 1,699,299 | 1.93 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 03/28/2024 | 04/09/2024 | 6.52% | 55,022,707 | 3,586,699 | 1,969,149 | 1.82 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 03/15/2024 | 03/26/2024 | 5.89% | 55,022,707 | 3,240,955 | 4,487,353 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 02/29/2024 | 03/11/2024 | 7.46% | 55,022,707 | 4,105,931 | 14,689,775 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 02/15/2024 | 02/27/2024 | 4.53% | 55,022,707 | 2,494,222 | 7,557,880 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 01/31/2024 | 02/09/2024 | 2.73% | 55,022,707 | 1,499,911 | 6,142,001 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 01/12/2024 | 01/24/2024 | 5.13% | 34,374,379 | 1,762,904 | 2,706,276 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 12/29/2023 | 01/10/2024 | 3.60% | 34,374,379 | 1,236,198 | 1,844,342 | 1 | Get Alert |
| ICU | SeaStar Medical Holding Corpor | 12/15/2023 | 12/27/2023 | 2.48% | 34,374,379 | 853,385 | 2,148,581 | 1 | Get Alert |
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