# SEASTAR MEDICAL HOLDING CORP (ICUCW)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ICUCW/

- Reporting holders: 14
- Reported value: $14.8K
- Shares held by institutions: 833,102 of 4,406,841 outstanding
- Held through calls: 2.6%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $899.9K | 245,200 | 0.0% | 15 |
| [GOLDMAN SACHS GROUP INC](https://holderbook.com/funds/886982-goldman-sachs-group-inc/) | $3.7K | 211,381 | 0.0% | 15 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $3.5K | 218,073 | 0.0% | 15 |
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $2.2K | 125,000 | 0.0% | 15 |
| [Virtu Financial LLC](https://holderbook.com/funds/1533964-virtu-financial-llc/) | $1.0K | 40,316 | 0.0% | 1 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $808 | 46,690 | 0.0% | 4 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://holderbook.com/funds/1346554-tenor-capital-management-co-l-p/) | $692 | 40,000 | 0.0% | 15 |
| [EQUITEC PROPRIETARY MARKETS, LLC](https://holderbook.com/funds/1143261-equitec-proprietary-markets-llc/) | $618 | 35,700 | 0.0% | 15 |
| [Cruiser Capital Advisors, LLC](https://holderbook.com/funds/1713506-cruiser-capital-advisors-llc/) | $562 | 32,473 | 0.0% | 15 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $539 | 36,179 | 0.0% | 1 |
| [TWO SIGMA SECURITIES, LLC](https://holderbook.com/funds/1450144-two-sigma-securities-llc/) | $421 | 24,322 | 0.0% | 1 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $389 | 0 | 0.0% | 15 |
| [StoneX Group Inc.](https://holderbook.com/funds/913760-stonex-group-inc/) | $208 | 11,086 | 0.0% | 1 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1279891-wolverine-asset-management-llc/) | $192 | 11,081 | 0.0% | 15 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $14 | 801 | 0.0% | 2 |
| [SkyView Investment Advisors, LLC](https://holderbook.com/funds/1848237-skyview-investment-advisors-llc/) | $1 | 64,658 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 14 | $14.8K |
| Q1 2026 | 10 | $21.1K |
| Q4 2025 | 13 | $10.6K |
| Q3 2025 | 15 | $30.4K |
| Q2 2025 | 13 | $22.6K |
| Q1 2025 | 13 | $41.1K |
| Q4 2024 | 13 | $25.4K |
| Q3 2024 | 15 | $59.0K |
| Q2 2024 | 16 | $79.4K |
| Q1 2024 | 21 | $420.6K |
| Q4 2023 | 26 | $78.0K |
| Q3 2023 | 30 | $50.9K |