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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, Q1 2025

Institutional positions in SeaStar Medical Holding Corp as of Mar 31, 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
+6 vs. Q4 2024
Shares held
902.6K
+721.2K (+397.6%) vs. Q4 2024
Total value
$1.50M
+$1.14M (+325.8%) vs. Q4 2024
New holders
8
5 more added
Sold out
2
3 more reduced

Compare with Q4 2024: 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 holdersQ1 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 heldQ1 2025: $1.50M
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, Q1 2025

Shares, value and share of portfolio for each institution holding SeaStar Medical Holding Corp; share changes are against Q4 2024.

Institutions holding ICU in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Armistice Capital, LLC613,241$1.02M0.03%+613,241New
Geode Capital Management, LLC74,642$123.9K0.00%+29,212+64.3%Added
Vanguard Group Inc57,498$95.4K0.00%−33,909−37.1%Reduced
Tyche Wealth Partners LLC37,700$62.6K0.01%+37,700New
Raymond James Financial Inc37,261$61.9K0.00%+37,261New
Northern Trust Corp12,778$21.2K0.00%+12,778New
XTX Topco Ltd12,309$20.4K0.00%+12,309New
Great Valley Advisor Group, Inc.10,000$17.0K0.00%+10,000New
Goldman Sachs Group Inc10,204$16.9K0.00%−70−0.7%Reduced
BlackRock, Inc.9,126$15.1K0.00%00.0%Unchanged
Trinity Financial Advisors LLC10,000$13.9K0.01%+10,000New
The PNC Financial Services Group, Inc.5,475$9.09K0.00%+3,000+121.2%Added
Whittier Trust Co5,000$8.25K0.00%+5,000New
Advisor Group Holdings, Inc.2,596$4.31K0.00%+700+36.9%Added
Tower Research Capital LLC (TRC)1,895$3.15K0.00%−1,540−44.8%Reduced
Morgan Stanley900$1.49K0.00%+300+50.0%Added
Ronald Blue Trust, Inc.888$1.47K0.00%00.0%Unchanged
GWM Advisors LLC272$4510.00%00.0%Unchanged
TD Waterhouse Canada Inc.216$3200.00%00.0%Unchanged
Capital A Wealth Management, LLC144$2390.00%00.0%Unchanged
Game Plan Financial Advisors, LLC100$1660.00%00.0%Unchanged
SBI Securities Co., Ltd.93$1540.00%00.0%Unchanged
Bank of America Corp61$1010.00%+24+64.9%Added
SOA Wealth Advisors, LLC.55$910.00%00.0%Unchanged
HighMark Wealth Management LLC20$330.00%00.0%Unchanged
TSFG, LLC140$00.00%00.0%Unchanged
HRT Financial LP0$00.00%−14,629−100.0%Sold out
UBS Group AG0$00.00%−145−100.0%Sold out