William Blair Investment Management
ICUI icon

William Blair Investment Management’s ICU Medical ICUI Stock Holding History

William Blair Investment Management’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
Q2 		$25.2M Sell
172,181
-45,722
-21% -$5.96M 0.08% 216
2026
Q1 		$28.1M Buy
217,903
+7,137
+3% +$1.03M 0.09% 198
2025
Q4 		$30.1M Sell
210,766
-21,402
-9% -$2.87M 0.08% 197
2025
Q3 		$27.9M Buy
232,168
+20,829
+10% +$2.64M 0.07% 233
2025
Q2 		$27.9M Buy
+211,339
New +$28.7M 0.07% 233

Other funds holding ICUI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T 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 $141B AUM 34.18% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

William Blair Investment Management's ICUI Position: Q2 2026 in Review

William Blair Investment Management reduced its ICU Medical (ICUI) stake by 21% in Q2 2026, selling an estimated $5.96M and leaving 172,181 shares worth $25.2M. The position accounts for 0.08% of the portfolio, ranked #216.

William Blair Investment Management first reported a position in ICUI in Q2 2025 and has held it in 5 quarters since. The position peaked at $30.1M in Q4 2025. 288 funds tracked by Wall St. Rank hold ICUI as of Q2 2026.

  • William Blair Investment Management held 172,181 shares of ICU Medical worth $25.2M as of Q2 2026.
  • William Blair Investment Management sold 45,722 ICU Medical shares in Q2 2026, an estimated $5.96M.
  • ICU Medical made up 0.08% of William Blair Investment Management's portfolio in Q2 2026, its #216 holding.
  • William Blair Investment Management first reported a position in ICU Medical in Q2 2025 and has held it in 5 quarters since.
  • William Blair Investment Management's ICU Medical position peaked at $30.1M in Q4 2025.
  • 288 funds tracked by Wall St. Rank held ICU Medical as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.