SeaStar Medical
17 hedge funds and large institutions have $489K invested in SeaStar Medical in 2026 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 8 closing their positions.
156% more capital invested
Capital invested by funds: $191K → $489K (+$298K)
3.07% more ownership
Funds ownership: 0.22% → 3.29% (+3.1%)
0% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 2
15% less funds holding
Funds holding: 20 → 17 (-3)
25% less first-time investments, than exits
New positions opened: 6 | Existing positions closed: 8
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Geode Capital Management
Boston,
Massachusetts
|
+$140K |
| 2 |
Jane Street
New York
|
+$38.5K |
| 3 |
TRCT
Tower Research Capital (TRC)
New York
|
+$3.52K |
| 4 |
Carson Wealth (CWM LLC)
Omaha,
Nebraska
|
+$3 |
| 5 |
NA
NewEdge Advisors
New Orleans,
Louisiana
|
+$3 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TFA
Trinity Financial Advisors
Columbus,
Ohio
|
-$18K |
| 2 |
Northern Trust
Chicago,
Illinois
|
-$16.4K |
| 3 |
DAS
Dynamic Advisor Solutions
Phoenix,
Arizona
|
-$7.03K |
| 4 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
-$6K |
| 5 |
Goldman Sachs
New York
|
-$5.57K |
ICU Hedge Fund Activity: Q1 2026 in Review
17 of the 8,191 institutional investors tracked by Wall St. Rank reported a position in SeaStar Medical (ICU) for Q1 2026, worth a combined $489K — up 156% from $191K a quarter earlier.
Sellers outnumbered buyers: 8 funds closed out of ICU and 6 opened new positions — a net loss of 2 holders — while 2 trimmed existing stakes and 2 added.
The largest buyer was Geode Capital Management, opening a new position worth an estimated $140K. The largest seller was Trinity Financial Advisors, exiting entirely with an estimated $18K sold.
- 17 institutional investors held SeaStar Medical (ICU) as of Q1 2026, down from 20 in Q4 2025.
- Funds reported $489K of SeaStar Medical stock for Q1 2026, up 156% quarter-over-quarter.
- 6 funds opened new SeaStar Medical positions in Q1 2026 and 8 closed out, a net change of -2 holders.
- The largest SeaStar Medical buyer in Q1 2026 was Geode Capital Management, an estimated $140K added.
- The largest SeaStar Medical seller in Q1 2026 was Trinity Financial Advisors, an estimated $18K sold.
Based on aggregated 13F filings for Q1 2026.