13F Insight
DOSSIER · 13F Holders · Q2 2026
ICUCW

SEASTAR MEDICAL HOLDING CORP

16 institutions still hold SEASTAR MEDICAL HOLDING CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 81256L112·16 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$921K
visible holders
Holders
16
filers reporting
Concentration
97.74%
BOOTHBAY FUND MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q2 2026

16 institutions reported ICUCW in Q2 2026. BOOTHBAY FUND MANAGEMENT, LLC leads at 97.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$900K245K0.01%Q2 202602
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$7K245K0.01%Q3 202503
GOLDMAN SACHS GROUP INC
CIK 0000886982
$4K211K0.00%Q2 202604
LINDEN ADVISORS LP
CIK 0001279396
$4K218K0.00%Q2 202605
LMR Partners LLP
CIK 0001578621
$2K125K0.00%Q2 202606
Cruiser Capital Advisors, LLC
CIK 0001713506
$93532K0.00%Q1 202607
Clear Street Group Inc.
CIK 0001881567
$80847K0.00%Q2 202608
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$69240K0.00%Q2 202609
EQUITEC PROPRIETARY MARKETS, LLC
CIK 0001143261
$61836K0.00%Q2 202610
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$53936K0.00%Q2 202611
TWO SIGMA SECURITIES, LLC
CIK 0001450144· Market maker
$42124K0.00%Q2 202612
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$38923K0.00%Q2 202613
StoneX Group Inc.
CIK 0000913760
$20811K0.00%Q2 202614
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$19211K0.00%Q2 202615
UBS Group AG
CIK 0001610520
$148010.00%Q2 202616
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025