SeaStar Medical Holding Corporation

ICUCW • NASDAQ

SeaStar Medical Holding Corporation is a surgical & medical instruments & apparatus company on NASDAQ. As of Q3 2025, 13 institutional investors hold shares in this company, with total holdings valued at $166.3K. BOOTHBAY FUND MANAGEMENT, LLC is the largest holder with a position valued at $139.8K.

SURGICAL & MEDICAL INSTRUMENTS & APPARATUS

Employees12.0

Websiteseastarmedical.com

Country

United States of America

Overview

Overview of institutional ownership in ICUCW as of Q3 2025

All Institutions

Institutions: 13
Value Held: $166.3K
Shares Held: 1.2M
Avg Position: $12.8K
Median Position: $1.0K

Hedge Funds

Hedge Funds: 5
Value Held: $8.8K
Shares Held: 321.1K
Avg Position: $1.8K
Median Position: $880.0

Biggest Investors

Institutions with the largest positions in ICUCW as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	Ari Louis Glass Managing Partner	$139.8K 0.00% of portfolio	0.00% 245.2K shares	Q3 2022 Held for 3y 2m	$3.8B
A ATW SPAC MANAGEMENT LLC Institution	-	$6.6K 0.01% of portfolio	0.00% 245.2K shares	Q4 2022 Held for 2y 11m	$61.6M
LINDEN ADVISORS LP Hedge Fund•Multi-Strategy	Siu Min (Joe) Wong CEO	$6.0K 0.00% of portfolio	0.00% 218.1K shares	Q4 2023 Held for 1y 11m	$971.4M
GOLDMAN SACHS GROUP INC Institution	David M. Solomon CEO	$5.7K 0.00% of portfolio	0.00% 211.4K shares	Q4 2022 Held for 2y 11m	$691.34B
L LMR Partners LLP Institution	-	$3.4K 0.00% of portfolio	0.00% 125.0K shares	Q4 2023 Held for 1y 11m	$5.1B
T TENOR CAPITAL MANAGEMENT Co., L.P. Hedge Fund•Multi-Strategy	Robin Rajendra Shah CIO	$1.1K 0.00% of portfolio	0.00% 40.0K shares	Q2 2025 Held for 5 months	$806.7M
V Virtu Financial LLC Institution	-	$1.0K 0.00% of portfolio	0.00% 42.0K shares	Q3 2025 Held for 2 months	$1.6B
E EQUITEC PROPRIETARY MARKETS, LLC Institution	-	$967.0 0.01% of portfolio	0.00% 35.7K shares	Q4 2022 Held for 2y 11m	$16.8M
Cruiser Capital Advisors, LLC Hedge Fund•Long/Short	Keith Michael Rosenbloom Managing Partner	$880.0 0.00% of portfolio	0.00% 32.5K shares	Q4 2022 Held for 2y 11m	$93.0M
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Market Neutral	George Demetrios Papadopoulos CFO	$495.0 0.00% of portfolio	0.00% 18.3K shares	Q4 2022 Held for 2y 11m	$1.6B

Net Capital Flow

Institutional buying and selling activity for ICUCW in Q3 2025

Traded: −$1.0K
Buyers: 2
Sellers: 4
Total Bought: +$1.0K
Total Sold: −$2.0K
Avg Position: $12.8K

Biggest Buyers

Institution	Net Bought	Current Position
V Virtu Financial LLC Institution	+$1.0K +42.0K shares	$1.0K 42.0K shares
TORONTO DOMINION BANK Institution	+$5.0 +178.0 shares	$5.0 178.0 shares

Biggest Sellers

Institution	Net Sold	Current Position
E EQUITEC PROPRIETARY MARKETS, LLC Institution	−$1.2K −44.7K shares	$967.0 35.7K shares
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$574.9 −21.3K shares	$332.0 12.3K shares
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Market Neutral	−$214.8 −7.9K shares	$495.0 18.3K shares
UBS Group AG Institution	−$6.6 −248.0 shares	$15.0 560.0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited ICUCW in Q3 2025

New Positions: 1
New Value: $5.0
Exited Positions: 0
Exited Value: -

New Positions

Institution	Position Value
TORONTO DOMINION BANK Institution	$5.0 178.0 shares

Exited Positions

Institution	Previous Position
No exited positions found

Options Activity

Institutions with the largest Call and Put options positions in ICUCW as of Q3 2025

Call Positions: 1
Call Value: $610.0
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$610.0 225.0 contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with ICUCW as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
A ATW SPAC MANAGEMENT LLC Institution	-	0.01% $6.6K	0.00% 245.2K shares	Q4 2022 Held for 2y 11m	$61.6M
E EQUITEC PROPRIETARY MARKETS, LLC Institution	-	0.01% $967.0	0.00% 35.7K shares	Q4 2022 Held for 2y 11m	$16.8M
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	Ari Louis Glass Managing Partner	0.00% $139.8K	0.00% 245.2K shares	Q3 2022 Held for 3y 2m	$3.8B
Cruiser Capital Advisors, LLC Hedge Fund•Long/Short	Keith Michael Rosenbloom Managing Partner	0.00% $880.0	0.00% 32.5K shares	Q4 2022 Held for 2y 11m	$93.0M
LINDEN ADVISORS LP Hedge Fund•Multi-Strategy	Siu Min (Joe) Wong CEO	0.00% $6.0K	0.00% 218.1K shares	Q4 2023 Held for 1y 11m	$971.4M
T TENOR CAPITAL MANAGEMENT Co., L.P. Hedge Fund•Multi-Strategy	Robin Rajendra Shah CIO	0.00% $1.1K	0.00% 40.0K shares	Q2 2025 Held for 5 months	$806.7M
L LMR Partners LLP Institution	-	0.00% $3.4K	0.00% 125.0K shares	Q4 2023 Held for 1y 11m	$5.1B
V Virtu Financial LLC Institution	-	0.00% $1.0K	0.00% 42.0K shares	Q3 2025 Held for 2 months	$1.6B
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Market Neutral	George Demetrios Papadopoulos CFO	0.00% $495.0	0.00% 18.3K shares	Q4 2022 Held for 2y 11m	$1.6B
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	Christopher Lazarus Gust CEO	0.00% $332.0	0.00% 12.3K shares	Q4 2022 Held for 2y 11m	$1.5B

Hedge Fund Spotlight

Discover hedge funds investing in ICUCW

Cruiser Capital Advisors, LLC

Hedge Fund • Long/Short

Portfolio ManagerKeith Michael Rosenbloom

Portfolio Value: $93.0M
Positions: 50
Last Reported: Q3 2025

Sector Allocation

Position in SeaStar Medical Holding Corporation

Market Value: $880.0
Shares Held: 32.5K
Portfolio Weight: 0.00%
Owned Since: 2022-Q4

Top Holding	Sector	Market Value	Weight
1 FTAI Aviation Ltd. FTAI	Rental & Leasing Services Industrials	$31.2M	33.49%
2 APi Group APG	Engineering & Construction Industrials	$8.6M	9.26%
3 CRH CRH	Construction Materials Basic Materials	$7.5M	8.09%