SeaStar Medical Holding Corp

ICU

Exchange: Nasdaq
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001831868

SEC filings (opens in a new tab)

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

Q2 2023 vs. Q1 2023

How the institutions holding SeaStar Medical Holding Corp changed between Q1 2023 and Q2 2023.

All holders in Q2 2023 All holders in Q1 2023

13F holders of ICU: Q1 2023 compared with Q2 2023
Measure	Q1 2023	Q2 2023	Change
Holders	11	13	+2
Shares	992.3K	561.9K	−430.4K (−43.4%)
Value	$1.85M	$289.6K	−$1.56M (−84.3%)

New holders (3)

Institutions that held SeaStar Medical Holding Corp at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to ICU in Q2 2023
Institution	Shares	Value	% of portfolio
Two Sigma Securities, LLC	55,375	$28.8K	0.00%
Millennium Management LLC	12,357	$6.44K	0.00%
Cubist Systematic Strategies, LLC	10,502	$5.46K	0.00%

Sold out (1)

Institutions that held SeaStar Medical Holding Corp at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of ICU in Q2 2023
Institution	Shares, Q1 2023	Value, Q1 2023
Cohen & Co Financial Management, LLC	623,400	$1.16M