BlackRock
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BlackRock’s SeaStar Medical ICU Stock Holding History

BlackRock’s Portfolio ICU Stock Details ICU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.4K Hold
913
– – ﹤0.01% 5485
2025
Q4 		$2.19K Hold
913
– – ﹤0.01% 5387
2025
Q3 		$5.2K Hold
913
– – ﹤0.01% 5266
2025
Q2 		$3.88K Hold
913
– – ﹤0.01% 5280
2025
Q1 		$15.1K Hold
913
– – ﹤0.01% 5126
2024
Q4 		$17.7K Hold
913
– – ﹤0.01% 5118
2024
Q3 		$38.9K Hold
913
– – ﹤0.01% 4857
2024
Q2 		$69.3K Buy
913
+1
+0.1% +$107 ﹤0.01% 4787
2024
Q1 		$167K Buy
+912
New +$179K ﹤0.01% 4630

Other funds holding ICU

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $173B AUM 20.72% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
NA
NewEdge Advisors New Orleans, Louisiana $27.7B AUM 22.98% 1-Year Est. Return
VGA
Vanguard Global Advisers Malvern, Pennsylvania $187B AUM

BlackRock's ICU Position: Q1 2026 in Review

BlackRock held its SeaStar Medical (ICU) position steady in Q1 2026 at 913 shares worth $3.4K. The position accounts for ﹤0.01% of the portfolio, ranked #5485.

BlackRock first reported a position in ICU in Q1 2024 and has held it in 9 quarters since. The position peaked at $167K in Q1 2024. 17 funds tracked by Wall St. Rank hold ICU as of Q1 2026.

  • BlackRock held 913 shares of SeaStar Medical worth $3.4K as of Q1 2026.
  • BlackRock left its SeaStar Medical share count unchanged in Q1 2026.
  • SeaStar Medical made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #5485 holding.
  • BlackRock first reported a position in SeaStar Medical in Q1 2024 and has held it in 9 quarters since.
  • BlackRock's SeaStar Medical position peaked at $167K in Q1 2024.
  • 17 funds tracked by Wall St. Rank held SeaStar Medical as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.