Seastar Medical HoldingICU
13F holders, Q1 2026 (March 31)17holders +15
2new positions
0sold out
$3.72avg. 13F price*
At the end of Q1 2026, 17 institutions reported holding Seastar Medical Holding Corp. (ICU) in their 13F filings, up 15 from Q4 2025. 2 opened new positions and 0 sold out. The largest holders were Geode Capital Management, LLC ($207K), Vanguard Capital Management LLC ($107K) and Jane Street Group, LLC ($104K).
- Company
- Seastar Medical Holding Corp.
- CUSIP
- 81256L302
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $212K |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 72,305 shares bought and 710 shares sold, net +71,594 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 17 holders
| Geode Capital Management, LLC | 0.00% | New | 55,642 | $207K |
| Vanguard Capital Management LLC | 0.00% | — | 28,791 | $107K |
| Jane Street Group, LLC | 0.00% | Add +120.3% | 27,960 | $104K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 13,692 | $51K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 1,748 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 1,395 | $5K |
| BlackRock, Inc. | 0.00% | No change | 913 | $3K |
| UBS Group AG | 0.00% | Reduce -39.9% | 793 | $3K |
| Osaic Holdings, Inc. | 0.00% | Add +0.2% | 230 | $854 |
| NewEdge Advisors, LLC | 0.00% | Add +0.5% | 176 | $655 |
| Vanguard Global Advisers, LLC | 0.00% | — | 165 | $614 |
| TD Waterhouse Canada Inc. | 0.00% | Add +1.9% | 22 | $78 |
| Morgan Stanley | 0.00% | No change | 20 | $74 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -90.5% | 14 | $52 |
| SOA Wealth Advisors, LLC. | 0.00% | Reduce -89.1% | 6 | $22 |
| HighMark Wealth Management LLC | 0.00% | No change | 2 | $7 |
| Cwm, LLC | 0.00% | Add +900.0% | 1 | $4 |
"% of holder's portfolio" is ICU's weight in each manager's 13F, not the share of Seastar Medical Holding Corp. the manager owns.