Seastar Medical HoldingICU

13F holders, Q2 2026 (June 30)
18holders +1
3new positions
1sold out
$3.67avg. 13F price*

At the end of Q2 2026, 18 institutions reported holding Seastar Medical Holding Corp. (ICU) in their 13F filings, up 1 from Q1 2026. 3 opened new positions and 1 sold out. The largest holders were Geode Capital Management, LLC ($182K), Vanguard Capital Management LLC ($121K) and UBS Group AG ($115K).

Company
Seastar Medical Holding Corp.
CUSIP
81256L302
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q4 2025: 2Q4 2025Q1 2026: 17Q1 2026Q2 2026: 18Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions3$38K
Exits1$74

All 13F filers, Q1 2026 → Q2 2026: 48,508 shares bought and 21,469 shares sold, net +27,039 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 18 holders

Geode Capital Management, LLC 0.00% Reduce -10.9% 49,593 $182K
Vanguard Capital Management LLC 0.00% Add +14.9% 33,091 $121K
UBS Group AG 0.00% Add +3859.4% 31,398 $115K
Vanguard Fiduciary Trust Co. 0.00% No change 13,692 $50K
Jane Street Group, LLC 0.00% Reduce -54.8% 12,634 $46K
Northern Trust Corp. 0.00% New 10,402 $38K
PNC Financial Services Group, Inc. 0.00% Add +182.8% 4,943 $18K
Tower Research Capital LLC (TRC) 0.00% Reduce -2.8% 1,356 $5K
BlackRock, Inc. 0.00% No change 913 $3K
Osaic Holdings, Inc. 0.00% Reduce -15.2% 195 $714
NewEdge Advisors, LLC 0.00% No change 176 $647
Vanguard Global Advisers, LLC 0.00% No change 165 $606
TD Waterhouse Canada Inc. 0.00% No change 22 $106
SBI Securities Co., Ltd. 0.00% No change 14 $51
SOA Wealth Advisors, LLC. 0.00% No change 6 $22
Barclays PLC 0.00% New 4 $15
HighMark Wealth Management LLC 0.00% No change 2 $7
Caitong International Asset Management Co., Ltd 0.00% New 2 $7

"% of holder's portfolio" is ICU's weight in each manager's 13F, not the share of Seastar Medical Holding Corp. the manager owns.