SeaStar Medical Ownership | Who Owns SeaStar Medical?


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SeaStar Medical Ownership Summary


SeaStar Medical is owned by 2.65% institutional investors, 2.58% insiders, and 94.77% retail investors. Vanguard group is the largest institutional shareholder, holding 1.43% of ICU shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.71% of its assets in SeaStar Medical shares.

ICU Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockSeaStar Medical2.65%2.58%94.77%
SectorHealthcare Stocks 232.01%10.74%-142.75%
IndustryBiotech Stocks 381.47%10.55%-292.02%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group377.38K1.43%$90.57K
Jane street group126.95K0.48%$30.47K
Trinity financial advisors75.00K0.28%$18.00K
Dynamic advisor solutions29.28K0.11%$7.03K
Goldman sachs group23.20K0.09%$5.57K
Tyche wealth partners17.70K0.07%$4.25K
Pnc financial services group17.48K0.07%$4.19K
Ubs group13.20K0.05%$3.17K
Great valley advisor group10.00K0.04%$2.00K
Blackrock funding, inc. /de9.13K0.03%$2.19K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Trinity financial advisors75.00K0.01%$18.00K
Xtx topco48.56K0.00%$27.68K
Tyche wealth partners17.70K0.00%$4.25K
Dynamic advisor solutions29.28K0.00%$7.03K
Soa wealth advisors, llc.---
Highmark wealth management20.00-$4.00
Td waterhouse canada216.00-$50.00
Jane street group126.95K-$30.47K
Great valley advisor group10.00K-$2.00K
Advisor group2.30K-$1.42K

Top Buyers

HolderShares% AssetsChange
Jane street group126.95K-126.95K
Trinity financial advisors75.00K0.01%25.00K
Toronto dominion bank25.00K-25.00K
Goldman sachs group23.20K-4.22K
Ubs group13.20K-2.81K

Top Sellers

HolderShares% AssetsChange
Armistice capital---613.24K
Geode capital management---258.92K
Virtu financial---37.83K
Raymond james financial17.71K--19.55K
Xtx topco48.56K0.00%-12.43K

New Positions

HolderShares% AssetsChangeValue
Jane street group126.95K-126.95K$30.47K
Toronto dominion bank25.00K-25.00K$14.25K

Sold Out

HolderChange
Soa wealth advisors, llc.-55.00
Game plan financial advisors-100.00
Sbi securities-148.00
Ronald blue trust-888.00
Whittier trust-5.00K

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 202513-50.00%699,748-36.02%22831221.65%4-66.67%1-80.00%
Sep 30, 2025258.70%1,091,983133.10%-56853.66%1157.14%5150.00%
Jun 30, 202525-481,330-46.67%55.09%8-38.46%3-
Mar 31, 20252531.58%902,474397.94%1077.17%138.33%3200.00%
Dec 31, 20241926.67%181,24232.71%332.99%12100.00%1-66.67%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv76.41K1.71%-
Abante Quant Value FI277.83K0.73%-
Vanguard Institutional Extnd Mkt Idx Tr23.88K0.63%1.00
Fidelity Extended Market Index213.51K0.56%58.92K
BlackRock Extended Equity Market K7.69K0.18%-3.00
NT Ext Equity Mkt Idx Fd - L64.90K0.17%55.63K
Spartan Extended Market Index Pool F59.83K0.16%297.00
Fidelity Series Total Market Index26.58K0.07%-
NT Ext Eq Mkt Indx Fd DC Lending Tier 525.43K0.07%22.82K
Fidelity Total Market Index22.14K0.06%-

Recent Insider Transactions


DateNameRoleActivityValue
Dec 19, 2025Baird Jennifer A-Buy$987.42
Dec 09, 2025Messinger Michael Chief Financial OfficerBuy$5.10K
Aug 26, 2025Van Heel Kenneth-Buy$22.25K
Aug 27, 2025Van Heel Kenneth-Buy$8.56K
Aug 22, 2025Chung Kevin Chief Medical OfficerBuy$8.00K

Insider Transactions Trends


DateBuySell
2025 Q41-
2025 Q33-
2025 Q24-
2024 Q42-
2024 Q31-

ICU Ownership FAQ


Who Owns SeaStar Medical?

SeaStar Medical shareholders are primarily institutional investors at 2.65%, followed by 2.58% insiders and 94.77% retail investors. The average institutional ownership in SeaStar Medical's industry, Biotech Stocks , is 381.47%, which SeaStar Medical falls below.

Who owns the most shares of SeaStar Medical?

SeaStar Medical’s largest shareholders are Vanguard group (377.38K shares, 1.43%), Jane street group (126.95K shares, 0.48%), and Trinity financial advisors (75K shares, 0.28%). Together, they hold 2.19% of SeaStar Medical’s total shares outstanding.

Does Blackrock own SeaStar Medical?

BlackRock is not among the top 10 institutional shareholders of SeaStar Medical.

Who is SeaStar Medical’s biggest shareholder by percentage of total assets invested?

Trinity financial advisors is SeaStar Medical’s biggest shareholder by percentage of total assets invested, with 0.01% of its assets in 75K SeaStar Medical shares, valued at 18K$.

Who is the top mutual fund holder of SeaStar Medical shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of SeaStar Medical shares, with 1.71% of its total shares outstanding invested in 76.41K SeaStar Medical shares.

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