# SEASTAR MEDICAL HOLDING CORP (ICU)

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

- Reporting holders: 19
- Reported value: $582.1K
- Shares held by institutions: 158,609 of 4,406,841 outstanding
- Held through calls: 0.0%
- 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 |
|---|---|---|---|---|
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $182.0K | 49,593 | 0.0% | 2 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $121.4K | 33,091 | 0.0% | 2 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $115.2K | 31,398 | 0.0% | 2 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $50.2K | 13,692 | 0.0% | 2 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $46.4K | 12,634 | 0.0% | 2 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $38.2K | 10,402 | 0.0% | 1 |
| [PNC Financial Services Group, Inc.](https://holderbook.com/funds/713676-pnc-financial-services-group-inc/) | $18.1K | 4,943 | 0.0% | 2 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $5.0K | 1,356 | 0.0% | 2 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $3.4K | 913 | 0.0% | 2 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $714 | 195 | 0.0% | 2 |
| [NewEdge Advisors, LLC](https://holderbook.com/funds/1633516-newedge-advisors-llc/) | $647 | 176 | 0.0% | 1 |
| [Vanguard Global Advisers, LLC](https://holderbook.com/funds/1811242-vanguard-global-advisers-llc/) | $606 | 165 | 0.0% | 2 |
| [TD Waterhouse Canada Inc.](https://holderbook.com/funds/1999606-td-waterhouse-canada-inc/) | $106 | 22 | 0.0% | 2 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $51 | 14 | 0.0% | 3 |
| [SOA Wealth Advisors, LLC.](https://holderbook.com/funds/1849444-soa-wealth-advisors-llc/) | $22 | 6 | 0.0% | 3 |
| [BARCLAYS PLC](https://holderbook.com/funds/312069-barclays-plc/) | $15 | 4 | 0.0% | 1 |
| [HighMark Wealth Management LLC](https://holderbook.com/funds/1802451-highmark-wealth-management-llc/) | $7 | 2 | 0.0% | 2 |
| [Caitong International Asset Management Co., Ltd](https://holderbook.com/funds/1963355-caitong-international-asset-management-co-ltd/) | $7 | 2 | 0.0% | 1 |
| [MERCER GLOBAL ADVISORS INC /ADV](https://holderbook.com/funds/853758-mercer-global-advisors-inc-adv/) | $4 | 1 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 19 | $582.1K |
| Q1 2026 | 16 | $488.8K |
| Q4 2025 | 20 | $191.1K |
| Q3 2025 | 26 | $624.3K |
| Q2 2025 | 25 | $204.7K |
| Q1 2025 | 25 | $1.5M |
| Q4 2024 | 19 | $351.3K |
| Q3 2024 | 15 | $584.3K |
| Q2 2024 | 16 | $1.1M |
| Q1 2024 | 28 | $4.9M |
| Q4 2023 | 22 | $397.6K |
| Q3 2023 | 13 | $68.3K |