Seastar Medical Holding Corp.
13F holders, Q4 2025 (December 31)19holders −9
1new positions
10sold out
$0.24avg. 13F price*
At the end of Q4 2025, 19 institutions reported holding Seastar Medical Holding Corp. in their 13F filings, down 9 from Q3 2025. 1 opened new positions and 10 sold out. The largest holders were Vanguard Group Inc. ($91K), Jane Street Group, LLC ($30K) and Trinity Financial Advisors LLC ($18K).
- Company
- Seastar Medical Holding Corp.
- CUSIP
- 81256L203
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $30K |
| Exits | 10 | $291K |
All 13F filers, Q3 2025 → Q4 2025: 214,703 shares bought and 511,042 shares sold, net −296,339 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 19 holders
| Vanguard Group Inc. | 0.00% | No change | 377,377 | $91K |
| Jane Street Group, LLC | 0.00% | New | 126,948 | $30K |
| Trinity Financial Advisors LLC | 0.01% | Add +50.0% | 75,000 | $18K |
| Northern Trust Corp. | 0.00% | Add +435.4% | 68,411 | $16K |
| Dynamic Advisor Solutions LLC | 0.00% | No change | 29,278 | $7K |
| Toronto Dominion Bank | 0.00% | No change | 25,000 | $6K |
| Goldman Sachs Group Inc. | 0.00% | Add +22.2% | 23,204 | $6K |
| Tyche Wealth Partners LLC | 0.00% | No change | 17,700 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 17,475 | $4K |
| UBS Group AG | 0.00% | Add +27.1% | 13,204 | $3K |
| BlackRock, Inc. | 0.00% | No change | 9,126 | $2K |
| Great Valley Advisor Group, Inc. | 0.00% | No change | 10,000 | $2K |
| Osaic Holdings, Inc. | 0.00% | No change | 2,296 | $551 |
| NewEdge Advisors, LLC | 0.00% | No change | 1,752 | $420 |
| Bank of America Corp. | 0.00% | Add +38.2% | 329 | $79 |
| TD Waterhouse Canada Inc. | 0.00% | No change | 216 | $50 |
| Morgan Stanley | 0.00% | Reduce -75.0% | 200 | $48 |
| HighMark Wealth Management LLC | 0.00% | No change | 20 | $4 |
| Cwm, LLC | 0.00% | No change | 1 | $0 |
"% of holder's portfolio" is SEASTAR MEDICAL HOLDING CORP's weight in each manager's 13F, not the share of Seastar Medical Holding Corp. the manager owns.