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SeaStar Medical
ICU

26 hedge funds and large institutions have $1.5M invested in SeaStar Medical in 2025 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 5 increasing their positions, 3 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

326% more capital invested

Capital invested by funds: $351K → $1.5M (+$1.14M)

300% more first-time investments, than exits

New positions opened: 8 | Existing positions closed: 2

67% more repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 3

30% more funds holding

Funds holding: 20 → 26 (+6)

0.63% more ownership

Funds ownership: 0.41% → 1.04% (+0.63%)

Holders
26
Holders Change
+6
Holders Change %
+30%
% of All Funds
0.35%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
8
Increased
5
Reduced
3
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
AC
Armistice Capital
New York
+$1.15M
2
TWP
Tyche Wealth Partners
Texas
+$70.9K
3
Raymond James Financial
Raymond James Financial
Florida
+$70.1K
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$54.9K
5
Northern Trust
Northern Trust
Illinois
+$24K

Top Sellers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
-$63.8K
2
HF
HRT Financial
New York
-$28K
3
TRCT
Tower Research Capital (TRC)
New York
-$2.9K
4
UBS Group
UBS Group
Switzerland
-$281
5
Goldman Sachs
Goldman Sachs
New York
-$132
Name Holding Trade Value Shares
Change 		Change in
Stake
AC
1
Armistice Capital
New York
$1.02M +$1.15M +61,324 New
Geode Capital Management
2
Geode Capital Management
Massachusetts
$124K +$54.9K +2,921 +64%
Vanguard Group
3
Vanguard Group
Pennsylvania
$95.4K -$63.8K -3,391 -37%
TWP
4
Tyche Wealth Partners
Texas
$62.6K +$70.9K +3,770 New
Raymond James Financial
5
Raymond James Financial
Florida
$61.9K +$70.1K +3,726 New
Northern Trust
6
Northern Trust
Illinois
$21.2K +$24K +1,278 New
XT
7
XTX Topco
Cayman Islands
$20.4K +$23.1K +1,231 New
GVAG
8
Great Valley Advisor Group
Delaware
$17K +$18.8K +1,000 New
Goldman Sachs
9
Goldman Sachs
New York
$16.9K -$132 -7 -0.7%
BlackRock
10
BlackRock
New York
$15.1K – – –
TFA
11
Trinity Financial Advisors
Ohio
$13.9K +$18.8K +1,000 New
PNC Financial Services Group
12
PNC Financial Services Group
Pennsylvania
$9.09K +$5.64K +300 +121%
WT
13
Whittier Trust
California
$8.25K +$9.4K +500 New
Osaic Holdings
14
Osaic Holdings
Arizona
$4.31K +$1.32K +70 +37%
TRCT
15
Tower Research Capital (TRC)
New York
$3.15K -$2.9K -154 -45%
Morgan Stanley
16
Morgan Stanley
New York
$1.49K +$564 +30 +50%
BTI
17
Blue Trust Inc
Georgia
$1.47K – – –
NA
18
NewEdge Advisors
Louisiana
$451 – – –
TWC
19
TD Waterhouse Canada
Ontario, Canada
$320 – – –
CAWM
20
Capital A Wealth Management
Pennsylvania
$239 – – –
GPFA
21
Game Plan Financial Advisors
Ohio
$166 – – –
SS
22
SBI Securities
Japan
$154 – – –
Bank of America
23
Bank of America
North Carolina
$101 +$38 +2 +50%
SWA
24
SOA Wealth Advisors
New York
$91 – – –
HWM
25
HighMark Wealth Management
Minnesota
$33 – – –
1
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ICU Hedge Fund Activity: Q1 2025 in Review

26 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in SeaStar Medical (ICU) for Q1 2025, worth a combined $1.5M — up 326% from $351K a quarter earlier.

Buyers outnumbered sellers: 8 funds opened new ICU positions and 2 closed out — a net gain of 6 holders — while 5 added to existing stakes and 3 trimmed.

The largest buyer was Armistice Capital, opening a new position worth an estimated $1.15M. The largest seller was Vanguard Group, cutting an estimated $63.8K.

  • 26 institutional investors held SeaStar Medical (ICU) as of Q1 2025, up from 20 in Q4 2024.
  • Funds reported $1.5M of SeaStar Medical stock for Q1 2025, up 326% quarter-over-quarter.
  • 8 funds opened new SeaStar Medical positions in Q1 2025 and 2 closed out, a net change of +6 holders.
  • The largest SeaStar Medical buyer in Q1 2025 was Armistice Capital, an estimated $1.15M added.
  • The largest SeaStar Medical seller in Q1 2025 was Vanguard Group, an estimated $63.8K sold.

Based on aggregated 13F filings for Q1 2025.