Northern Trust’s SeaStar Medical ICU Stock Holding History

Northern Trust’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 Q2	$38.2K	Buy	+10,402	New	+$39.6K	﹤0.01%	4305
2026 Q1	–	Sell	-6,841	Closed	-$16.4K	–	4471
2025 Q4	$16.4K	Buy	6,841 +5,563	+435%	+$24.6K	﹤0.01%	4408
2025 Q3	$7.28K	Hold	1,278	–	–	﹤0.01%	4414
2025 Q2	$5.44K	Hold	1,278	–	–	﹤0.01%	4390
2025 Q1	$21.2K	Buy	+1,278	New	+$24K	﹤0.01%	4333
2024 Q2	–	Sell	-602	Closed	-$111K	–	4438
2024 Q1	$111K	Buy	602 +551	+1,080%	+$108K	﹤0.01%	4054
2023 Q4	$5.62K	Buy	+51	New	+$7.55K	﹤0.01%	4452

Other funds holding ICU

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

PNC Financial Services Group Pittsburgh, Pennsylvania $202B AUM 37.79% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

NewEdge Advisors New Orleans, Louisiana $33.6B AUM 31.03% 1-Year Est. Return

Northern Trust's ICU Position: Q2 2026 in Review

Northern Trust opened a new position in SeaStar Medical (ICU) in Q2 2026: 10,402 shares worth $38.2K. The stake represents ﹤0.01% of the portfolio and ranks #4305 among its holdings. This is a return to the name: Northern Trust previously reported a position in ICU as recently as Q4 2025.

Northern Trust first reported a position in ICU in Q4 2023 and has held it in 7 quarters since. The position peaked at $111K in Q1 2024. 18 funds tracked by Wall St. Rank hold ICU as of Q2 2026.

Northern Trust held 10,402 shares of SeaStar Medical worth $38.2K as of Q2 2026.
SeaStar Medical was a new Northern Trust position in Q2 2026.
SeaStar Medical made up ﹤0.01% of Northern Trust's portfolio in Q2 2026, its #4305 holding.
Northern Trust first reported a position in SeaStar Medical in Q4 2023 and has held it in 7 quarters since.
Northern Trust's SeaStar Medical position peaked at $111K in Q1 2024.
18 funds tracked by Wall St. Rank held SeaStar Medical as of Q2 2026.

Based on Northern Trust's 13F filing for Q2 2026, filed 13 Aug 2026.