William Blair & Company
AMGN icon

William Blair & Company’s Amgen AMGN Stock Holding History

William Blair & Company’s Portfolio AMGN Stock Details AMGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2017
Q3 		– Sell
-100
Closed -$17K – 1366
2017
Q2 		$17K Buy
+100
New +$16.3K ﹤0.01% 1537

Other funds holding AMGN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

William Blair & Company's AMGN Position: Q2 2026 in Review

William Blair & Company reduced its Amgen (AMGN) stake by 3.3% in Q2 2026, selling an estimated $1.79M and leaving 150,777 shares worth $54.6M. The position accounts for 0.14% of the portfolio, ranked #141.

William Blair & Company first reported a position in AMGN in Q2 2013 and has held it in 53 quarters since. The position peaked at $64.5M in Q3 2024. 3,153 funds tracked by Wall St. Rank hold AMGN as of Q2 2026.

  • William Blair & Company held 150,777 shares of Amgen worth $54.6M as of Q2 2026.
  • William Blair & Company sold 5,221 Amgen shares in Q2 2026, an estimated $1.79M.
  • Amgen made up 0.14% of William Blair & Company's portfolio in Q2 2026, its #141 holding.
  • William Blair & Company first reported a position in Amgen in Q2 2013 and has held it in 53 quarters since.
  • William Blair & Company's Amgen position peaked at $64.5M in Q3 2024.
  • 3,153 funds tracked by Wall St. Rank held Amgen as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.