SeaStar Medical Holding Corp
ICU- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001831868
In the last 90 days, SeaStar Medical Holding Corp insiders filed 1 open-market purchase and 0 sales; 18 institutions reported holding it in 13F filings for Q2 2026, worth $582.1K in total; no superinvestor holds it.
Other share classesICUCW
13F holders, Q4 2025
Institutional positions in SeaStar Medical Holding Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 21
- −7 vs. Q3 2025
- Shares held
- 797.7K
- −296.1K (−27.1%) vs. Q3 2025
- Total value
- $191.1K
- −$433.2K (−69.4%) vs. Q3 2025
- New holders
- 1
- 5 more added
- Sold out
- 8
- 1 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ICU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 18 | $582.1K |
| Q1 2026 | 17 | $489.4K |
| Q4 2025 | 21 | $191.1K |
| Q3 2025 | 28 | $624.3K |
| Q2 2025 | 26 | $204.7K |
| Q1 2025 | 26 | $1.50M |
| Q4 2024 | 20 | $351.3K |
| Q3 2024 | 15 | $584.3K |
| Q2 2024 | 17 | $1.16M |
| Q1 2024 | 29 | $2.80M |
| Q4 2023 | 23 | $375.4K |
| Q3 2023 | 14 | $68.3K |
| Q2 2023 | 13 | $289.6K |
| Q1 2023 | 11 | $1.85M |
| Q4 2022 | 10 | $4.82M |
| Q3 2022 | 1 | $401.0K |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding SeaStar Medical Holding Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 377,377 | $90.6K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 126,948 | $30.5K | 0.00% | +126,948 | New |
| Trinity Financial Advisors LLC | 75,000 | $18.0K | 0.01% | +25,000+50.0% | Added |
| Northern Trust Corp | 68,411 | $16.4K | 0.00% | +55,633+435.4% | Added |
| Dynamic Advisor Solutions LLC | 29,278 | $7.03K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 25,000 | $6.00K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 23,204 | $5.57K | 0.00% | +4,218+22.2% | Added |
| Tyche Wealth Partners LLC | 17,700 | $4.25K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 17,475 | $4.19K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 13,204 | $3.17K | 0.00% | +2,813+27.1% | Added |
| BlackRock, Inc. | 9,126 | $2.19K | 0.00% | 00.0% | Unchanged |
| Great Valley Advisor Group, Inc. | 10,000 | $2.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 2,296 | $551 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 1,752 | $420 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 329 | $79 | 0.00% | +91+38.2% | Added |
| TD Waterhouse Canada Inc. | 216 | $50 | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 200 | $48 | 0.00% | −600−75.0% | Reduced |
| SBI Securities Co., Ltd. | 148 | $36 | 0.00% | 00.0% | Unchanged |
| SOA Wealth Advisors, LLC. | 55 | $13 | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 20 | $4 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −258,922−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −179,673−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −48,558−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −17,714−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −132−100.0% | Sold out |
| Game Plan Financial Advisors, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| TSFG, LLC | 0 | $0 | 0.00% | −140−100.0% | Sold out |