DOSSIER · 13F Holders · Q1 2026
ICU
SEASTAR MEDICAL HOLDING CORP COM NEW
16 institutions still hold SEASTAR MEDICAL HOLDING CORP COM NEW as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 81256L302·16 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
SeaStar Medical (ICU) has a negligible institutional base — 16 filers and about $483K in combined 13F value as of Q1 2026. The top holders are all passive or trading shops: Geode ($207K), Vanguard ($107K) and Jane Street ($104K). No fundamental manager is present, marking ICU as a pre-institutional micro-cap.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.