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SeaStar Medical
ICU

20 hedge funds and large institutions have $191K invested in SeaStar Medical in 2025 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 5 increasing their positions, 1 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

400% more repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 1

0.17% less ownership

Funds ownership: 0.39% → 0.22% (-0.17%)

26% less funds holding

Funds holding: 27 → 20 (-7)

69% less capital invested

Capital invested by funds: $624K → $191K (-$433K)

88% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 8

Holders
20
Holders Change
-7
Holders Change %
-25.93%
% of All Funds
0.24%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
5
Reduced
1
Closed
8
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
+$56.1K
2
Northern Trust
Northern Trust
Illinois
+$24.6K
3
TFA
Trinity Financial Advisors
Ohio
+$11K
4
Goldman Sachs
Goldman Sachs
New York
+$1.86K
5
UBS Group
UBS Group
Switzerland
+$1.24K

Top Sellers

Rank Fund Capital Flow
1
Geode Capital Management
Geode Capital Management
Massachusetts
-$148K
2
Millennium Management
Millennium Management
New York
-$102K
3
XT
XTX Topco
Cayman Islands
-$27.7K
4
Raymond James Financial
Raymond James Financial
Florida
-$10.1K
5
WT
Whittier Trust
California
-$3.24K
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$90.6K – – –
Jane Street
2
Jane Street
New York
$30.5K +$56.1K +12,695 New
TFA
3
Trinity Financial Advisors
Ohio
$18K +$11K +2,500 +50%
Northern Trust
4
Northern Trust
Illinois
$16.4K +$24.6K +5,563 +435%
DAS
5
Dynamic Advisor Solutions
Arizona
$7.03K – – –
Toronto Dominion Bank
6
Toronto Dominion Bank
Ontario, Canada
$6K – – –
Goldman Sachs
7
Goldman Sachs
New York
$5.57K +$1.86K +421 +22%
TWP
8
Tyche Wealth Partners
Texas
$4.25K – – –
PNC Financial Services Group
9
PNC Financial Services Group
Pennsylvania
$4.19K – – –
UBS Group
10
UBS Group
Switzerland
$3.17K +$1.24K +281 +27%
BlackRock
11
BlackRock
New York
$2.19K – – –
GVAG
12
Great Valley Advisor Group
Delaware
$2K – – –
Osaic Holdings
13
Osaic Holdings
Arizona
$551 – – –
NA
14
NewEdge Advisors
Louisiana
$420 – – –
Bank of America
15
Bank of America
North Carolina
$79 +$40 +9 +38%
TWC
16
TD Waterhouse Canada
Ontario, Canada
$50 – – –
Morgan Stanley
17
Morgan Stanley
New York
$48 -$265 -60 -75%
SS
18
SBI Securities
Japan
$36 – – –
SWA
19
SOA Wealth Advisors
New York
$13 – – –
HWM
20
HighMark Wealth Management
Minnesota
$4 – – –
Geode Capital Management
21
Geode Capital Management
Massachusetts
– -$148K -25,892 Closed
Millennium Management
22
Millennium Management
New York
– -$102K -17,967 Closed
XT
23
XTX Topco
Cayman Islands
– -$27.7K -4,856 Closed
Raymond James Financial
24
Raymond James Financial
Florida
– -$10.1K -1,771 Closed
WT
25
Whittier Trust
California
– -$3.24K -500 Closed
1
2

ICU Hedge Fund Activity: Q4 2025 in Review

20 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in SeaStar Medical (ICU) for Q4 2025, worth a combined $191K — down 69% from $624K a quarter earlier.

Sellers outnumbered buyers: 8 funds closed out of ICU and 1 opened new positions — a net loss of 7 holders — while 1 trimmed existing stakes and 5 added.

The largest buyer was Jane Street, opening a new position worth an estimated $56.1K. The largest seller was Geode Capital Management, exiting entirely with an estimated $148K sold.

  • 20 institutional investors held SeaStar Medical (ICU) as of Q4 2025, down from 27 in Q3 2025.
  • Funds reported $191K of SeaStar Medical stock for Q4 2025, down 69% quarter-over-quarter.
  • 1 fund opened new SeaStar Medical positions in Q4 2025 and 8 closed out, a net change of -7 holders.
  • The largest SeaStar Medical buyer in Q4 2025 was Jane Street, an estimated $56.1K added.
  • The largest SeaStar Medical seller in Q4 2025 was Geode Capital Management, an estimated $148K sold.

Based on aggregated 13F filings for Q4 2025.