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SeaStar Medical
ICU

27 hedge funds and large institutions have $624K invested in SeaStar Medical in 2025 Q3 according to their latest regulatory filings, with 3 funds opening new positions, 8 increasing their positions, 6 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

205% more capital invested

Capital invested by funds: $205K → $624K (+$420K)

50% more first-time investments, than exits

New positions opened: 3 | Existing positions closed: 2

33% more repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 6

4% more funds holding

Funds holding: 26 → 27 (+1)

0.04% less ownership

Funds ownership: 0.43% → 0.39% (-0.04%)

Holders
27
Holders Change
+1
Holders Change %
+3.85%
% of All Funds
0.35%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
8
Reduced
6
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$246K
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$146K
3
Millennium Management
Millennium Management
New York
+$138K
4
TFA
Trinity Financial Advisors
Ohio
+$27K
5
DAS
Dynamic Advisor Solutions
Arizona
+$22.6K

Top Sellers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
-$62.5K
2
VF
Virtu Financial
New York
-$16K
3
TWP
Tyche Wealth Partners
Texas
-$15.4K
4
Raymond James Financial
Raymond James Financial
Florida
-$15.1K
5
XT
XTX Topco
Cayman Islands
-$9.57K
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$215K +$246K +31,988 +556%
Geode Capital Management
2
Geode Capital Management
Massachusetts
$148K +$146K +19,009 +276%
Millennium Management
3
Millennium Management
New York
$102K +$138K +17,967 New
TFA
4
Trinity Financial Advisors
Ohio
$28.5K +$27K +3,500 +233%
XT
5
XTX Topco
Cayman Islands
$27.7K -$9.57K -1,242 -20%
DAS
6
Dynamic Advisor Solutions
Arizona
$16.7K +$22.6K +2,928 New
Toronto Dominion Bank
7
Toronto Dominion Bank
Ontario, Canada
$14.3K +$19.3K +2,500 New
Goldman Sachs
8
Goldman Sachs
New York
$10.8K +$5.06K +657 +53%
Raymond James Financial
9
Raymond James Financial
Florida
$10.1K -$15.1K -1,955 -52%
TWP
10
Tyche Wealth Partners
Texas
$10.1K -$15.4K -2,000 -53%
PNC Financial Services Group
11
PNC Financial Services Group
Pennsylvania
$9.96K +$1.54K +200 +13%
Northern Trust
12
Northern Trust
Illinois
$7.28K – – –
GVAG
13
Great Valley Advisor Group
Delaware
$6K – – –
UBS Group
14
UBS Group
Switzerland
$5.92K -$62.5K -8,110 -89%
BlackRock
15
BlackRock
New York
$5.2K – – –
WT
16
Whittier Trust
California
$3.24K – – –
Osaic Holdings
17
Osaic Holdings
Arizona
$1.42K – – –
NA
18
NewEdge Advisors
Louisiana
$999 +$1.14K +148 +548%
Morgan Stanley
19
Morgan Stanley
New York
$456 -$31 -4 -5%
Bank of America
20
Bank of America
North Carolina
$136 +$108 +14 +140%
TWC
21
TD Waterhouse Canada
Ontario, Canada
$135 – – –
SS
22
SBI Securities
Japan
$84 +$46 +6 +67%
TRCT
23
Tower Research Capital (TRC)
New York
$75 -$4.1K -532 -98%
GPFA
24
Game Plan Financial Advisors
Ohio
$57 – – –
SWA
25
SOA Wealth Advisors
New York
$31 – – –
1
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ICU Hedge Fund Activity: Q3 2025 in Review

27 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in SeaStar Medical (ICU) for Q3 2025, worth a combined $624K — up 205% from $205K a quarter earlier.

Buyers outnumbered sellers: 3 funds opened new ICU positions and 2 closed out — a net gain of 1 holder — while 8 added to existing stakes and 6 trimmed.

The largest buyer was Vanguard Group, adding an estimated $246K. The largest seller was UBS Group, cutting an estimated $62.5K.

  • 27 institutional investors held SeaStar Medical (ICU) as of Q3 2025, up from 26 in Q2 2025.
  • Funds reported $624K of SeaStar Medical stock for Q3 2025, up 205% quarter-over-quarter.
  • 3 funds opened new SeaStar Medical positions in Q3 2025 and 2 closed out, a net change of +1 holder.
  • The largest SeaStar Medical buyer in Q3 2025 was Vanguard Group, an estimated $246K added.
  • The largest SeaStar Medical seller in Q3 2025 was UBS Group, an estimated $62.5K sold.

Based on aggregated 13F filings for Q3 2025.