Ken Griffin
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Ken Griffin’s ICU Medical ICUI Stock Holding History

Ken Griffin’s Portfolio ICUI Stock Details ICUI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$736K Buy
+5,700
New +$819K ﹤0.01% 8397
2025
Q4 		– Sell
-12,400
Closed -$1.49M – 13284
2025
Q3 		$1.49M Buy
12,400
+10,000
+417% +$1.27M ﹤0.01% 6696
2025
Q2 		$317K Buy
2,400
+1,600
+200% +$217K ﹤0.01% 9688
2025
Q1 		$111K Sell
800
-3,600
-82% -$559K ﹤0.01% 11316
2024
Q4 		$683K Buy
4,400
+1,000
+29% +$169K ﹤0.01% 7882
2024
Q3 		$620K Buy
3,400
+2,700
+386% +$400K ﹤0.01% 7809
2024
Q2 		$83.1K Sell
700
-100
-13% -$10.5K ﹤0.01% 11160
2024
Q1 		$85.9K Sell
800
-4,700
-85% -$467K ﹤0.01% 11559
2023
Q4 		$549K Buy
5,500
+2,800
+104% +$274K ﹤0.01% 7905
2023
Q3 		$321K Buy
2,700
+1,300
+93% +$194K ﹤0.01% 9036
2023
Q2 		$249K Sell
1,400
-5,400
-79% -$991K ﹤0.01% 9412
2023
Q1 		$1.12M Buy
6,800
+600
+10% +$103K ﹤0.01% 6526
2022
Q4 		$976K Sell
6,200
-3,900
-39% -$594K ﹤0.01% 6863
2022
Q3 		$1.52M Buy
10,100
+5,000
+98% +$832K ﹤0.01% 6131
2022
Q2 		$838K Sell
5,100
-15,000
-75% -$2.89M ﹤0.01% 7442
2022
Q1 		$4.47M Buy
20,100
+9,700
+93% +$2.17M ﹤0.01% 4395
2021
Q4 		$2.47M Sell
10,400
-12,800
-55% -$2.99M ﹤0.01% 5761
2021
Q3 		$5.41M Buy
23,200
+21,100
+1,005% +$4.43M ﹤0.01% 4151
2021
Q2 		$432K Sell
2,100
-6,800
-76% -$1.4M ﹤0.01% 10383
2021
Q1 		$1.83M Buy
+8,900
New +$1.88M ﹤0.01% 6613

Other funds holding ICUI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Schroder Investment Management Group
Schroder Investment Management Group London, United Kingdom $122B AUM 29.27% 1-Year Est. Return
RRAM
River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Ken Griffin's ICUI Position: Q1 2026 in Review

Ken Griffin increased its ICU Medical (ICUI) stake by 58% in Q1 2026, buying an estimated $17.6M and bringing the position to 333,336 shares worth $43.1M. The position accounts for 0.01% of the portfolio, ranked #1509.

Ken Griffin first reported a position in ICUI in Q2 2013 and has held it in 45 quarters since. The position peaked at $119M in Q3 2024. 275 funds tracked by Wall St. Rank hold ICUI as of Q1 2026.

  • Ken Griffin held 333,336 shares of ICU Medical worth $43.1M as of Q1 2026.
  • Ken Griffin bought 122,437 ICU Medical shares in Q1 2026, an estimated $17.6M.
  • ICU Medical made up 0.01% of Ken Griffin's portfolio in Q1 2026, its #1509 holding.
  • Ken Griffin first reported a position in ICU Medical in Q2 2013 and has held it in 45 quarters since.
  • Ken Griffin's ICU Medical position peaked at $119M in Q3 2024.
  • 275 funds tracked by Wall St. Rank held ICU Medical as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.