William Blair Investment Management
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William Blair Investment Management’s Eli Lilly LLY Stock Holding History

William Blair Investment Management’s Portfolio LLY Stock Details LLY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$26.7M Sell
29,051
-2,965
-9% -$3.01M 0.09% 210
2025
Q4 		$34.4M Buy
32,016
+16,641
+108% +$15.9M 0.1% 180
2025
Q3 		$11.7M Sell
15,375
-5,192
-25% -$3.86M 0.03% 313
2025
Q2 		$16M Sell
20,567
-25,255
-55% -$19.6M 0.04% 305
2025
Q1 		$37.8M Buy
45,822
+467
+1% +$389K 0.11% 173
2024
Q4 		$35M Buy
45,355
+18,193
+67% +$15.1M 0.09% 212
2024
Q3 		$24.1M Buy
27,162
+25,219
+1,298% +$22.7M 0.06% 280
2024
Q2 		$1.76M Sell
1,943
-37
-2% -$29.6K ﹤0.01% 355
2024
Q1 		$1.54M Buy
+1,980
New +$1.41M ﹤0.01% 345
2016
Q2 		– Sell
-458,539
Closed -$33M – 465
2016
Q1 		$33M Buy
+458,539
New +$34.7M 0.13% 161

Other funds holding LLY

Lilly Endowment
Lilly Endowment Indiananapolis, Indiana $108B AUM 53.87% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $173B AUM 20.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

William Blair Investment Management's LLY Position: Q1 2026 in Review

William Blair Investment Management reduced its Eli Lilly (LLY) stake by 9.3% in Q1 2026, selling an estimated $3.01M and leaving 29,051 shares worth $26.7M. The position accounts for 0.09% of the portfolio, ranked #210.

William Blair Investment Management first reported a position in LLY in Q1 2016 and has held it in 10 quarters since. The position peaked at $37.8M in Q1 2025. 4,353 funds tracked by Wall St. Rank hold LLY as of Q1 2026.

  • William Blair Investment Management held 29,051 shares of Eli Lilly worth $26.7M as of Q1 2026.
  • William Blair Investment Management sold 2,965 Eli Lilly shares in Q1 2026, an estimated $3.01M.
  • Eli Lilly made up 0.09% of William Blair Investment Management's portfolio in Q1 2026, its #210 holding.
  • William Blair Investment Management first reported a position in Eli Lilly in Q1 2016 and has held it in 10 quarters since.
  • William Blair Investment Management's Eli Lilly position peaked at $37.8M in Q1 2025.
  • 4,353 funds tracked by Wall St. Rank held Eli Lilly as of Q1 2026.

Based on William Blair Investment Management's 13F filing for Q1 2026, filed 8 May 2026.