Jane Street
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Jane Street’s SeaStar Medical ICU Stock Holding History

Jane Street’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 		$104K Buy
27,960
+15,265
+120% +$38.5K ﹤0.01% 10634
2025
Q4 		$30.5K Buy
+12,695
New +$56.1K ﹤0.01% 10643
2024
Q2 		– Sell
-105
Closed -$19.2K – 9742
2024
Q1 		$19.2K Buy
105
+37
+54% +$7.25K ﹤0.01% 8902
2023
Q4 		$7.56K Buy
68
+27
+66% +$4K ﹤0.01% 8991
2023
Q3 		$2.68K Buy
+41
New +$3.7K ﹤0.01% 8474

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
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
BlackRock
BlackRock New York $5.72T AUM 30.48% 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

Jane Street's ICU Position: Q1 2026 in Review

Jane Street increased its SeaStar Medical (ICU) stake by 120% in Q1 2026, buying an estimated $38.5K and bringing the position to 27,960 shares worth $104K. The position accounts for ﹤0.01% of the portfolio, ranked #10634.

Jane Street first reported a position in ICU in Q3 2023 and has held it in 5 quarters since. 17 funds tracked by Wall St. Rank hold ICU as of Q1 2026.

  • Jane Street held 27,960 shares of SeaStar Medical worth $104K as of Q1 2026.
  • Jane Street bought 15,265 SeaStar Medical shares in Q1 2026, an estimated $38.5K.
  • SeaStar Medical made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10634 holding.
  • Jane Street first reported a position in SeaStar Medical in Q3 2023 and has held it in 5 quarters since.
  • 17 funds tracked by Wall St. Rank held SeaStar Medical as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.