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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, Q2 2025

Institutional positions in SeaStar Medical Holding Corp as of Jun 30, 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
26
0 vs. Q1 2025
Shares held
481.9K
−420.7K (−46.6%) vs. Q1 2025
Total value
$204.7K
−$1.29M (−86.3%) vs. Q1 2025
New holders
2
6 more added
Sold out
2
3 more reduced

Compare with Q1 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.

Institutional holdersQ2 2025: 26 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 1 institutionQ4 2022: 10 institutionsQ1 2023: 11 institutionsQ2 2023: 13 institutionsQ3 2023: 14 institutionsQ4 2023: 23 institutionsQ1 2024: 29 institutionsQ2 2024: 17 institutionsQ3 2024: 15 institutionsQ4 2024: 20 institutionsQ1 2025: 26 institutionsQ2 2025: 26 institutionsQ3 2025: 28 institutionsQ4 2025: 21 institutionsQ1 2026: 17 institutionsQ2 2026: 18 institutions
Value heldQ2 2025: $204.7K
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $401.0KQ4 2022: $4.82MQ1 2023: $1.85MQ2 2023: $289.6KQ3 2023: $68.3KQ4 2023: $375.4KQ1 2024: $2.80MQ2 2024: $1.16MQ3 2024: $584.3KQ4 2024: $351.3KQ1 2025: $1.50MQ2 2025: $204.7KQ3 2025: $624.3KQ4 2025: $191.1KQ1 2026: $489.4KQ2 2026: $582.1K
Institutions holding ICU and their total value by quarter
QuarterHoldersValue
Q2 202618$582.1K
Q1 202617$489.4K
Q4 202521$191.1K
Q3 202528$624.3K
Q2 202526$204.7K
Q1 202526$1.50M
Q4 202420$351.3K
Q3 202415$584.3K
Q2 202417$1.16M
Q1 202429$2.80M
Q4 202323$375.4K
Q3 202314$68.3K
Q2 202313$289.6K
Q1 202311$1.85M
Q4 202210$4.82M
Q3 20221$401.0K
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding SeaStar Medical Holding Corp; share changes are against Q1 2025.

Institutions holding ICU in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
UBS Group AG91,491$39.0K0.00%+91,491New
Geode Capital Management, LLC68,828$29.3K0.00%−5,814−7.8%Reduced
XTX Topco Ltd60,983$26.0K0.00%+48,674+395.4%Added
Vanguard Group Inc57,498$24.5K0.00%00.0%Unchanged
Tyche Wealth Partners LLC37,700$16.0K0.00%00.0%Unchanged
Virtu Financial LLC37,832$16.0K0.00%+37,832New
Raymond James Financial Inc37,261$15.9K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.15,475$6.59K0.00%+10,000+182.6%Added
Trinity Financial Advisors LLC15,000$6.39K0.00%+5,000+50.0%Added
Northern Trust Corp12,778$5.44K0.00%00.0%Unchanged
Goldman Sachs Group Inc12,424$5.29K0.00%+2,220+21.8%Added
Great Valley Advisor Group, Inc.10,000$4.00K0.00%00.0%Unchanged
BlackRock, Inc.9,126$3.88K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)5,453$2.32K0.00%+3,558+187.8%Added
Whittier Trust Co5,000$2.10K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.2,296$9640.00%−300−11.6%Reduced
Ronald Blue Trust, Inc.888$3780.00%00.0%Unchanged
Morgan Stanley842$3590.00%−58−6.4%Reduced
GWM Advisors LLC272$1160.00%00.0%Unchanged
TD Waterhouse Canada Inc.216$1050.00%00.0%Unchanged
Game Plan Financial Advisors, LLC100$430.00%00.0%Unchanged
Bank of America Corp99$430.00%+38+62.3%Added
SBI Securities Co., Ltd.93$400.00%00.0%Unchanged
SOA Wealth Advisors, LLC.55$230.00%00.0%Unchanged
HighMark Wealth Management LLC20$90.00%00.0%Unchanged
TSFG, LLC140$00.00%00.0%Unchanged
Armistice Capital, LLC0$00.00%−613,241−100.0%Sold out
Capital A Wealth Management, LLC0$00.00%−144−100.0%Sold out