Calamos Advisors
AMGN icon

Calamos Advisors’s Amgen AMGN Stock Holding History

Calamos Advisors’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
2026
Q1 		– Sell
-2,100
Closed -$593K – 1202
2025
Q4 		$593K Buy
2,100
+100
+5% +$31.7K ﹤0.01% 745
2025
Q3 		$558K Buy
2,000
+1,000
+100% +$290K ﹤0.01% 762
2025
Q2 		$312K Buy
+1,000
New +$283K ﹤0.01% 791
2018
Q3 		– Sell
-51,100
Closed -$9.43M – 682
2018
Q2 		$9.43M Buy
+51,100
New +$9.04M 0.06% 330

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 $3.38T AUM 44.17% 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

Calamos Advisors's AMGN Position: Q2 2026 in Review

Calamos Advisors reduced its Amgen (AMGN) stake by 9.3% in Q2 2026, selling an estimated $2.4M and leaving 68,480 shares worth $24.8M. The position accounts for 0.08% of the portfolio, ranked #244.

Calamos Advisors first reported a position in AMGN in Q2 2013 and has held it in 53 quarters since. The position peaked at $54M in Q2 2013. 3,164 funds tracked by Wall St. Rank hold AMGN as of Q2 2026.

  • Calamos Advisors held 68,480 shares of Amgen worth $24.8M as of Q2 2026.
  • Calamos Advisors sold 7,016 Amgen shares in Q2 2026, an estimated $2.4M.
  • Amgen made up 0.08% of Calamos Advisors's portfolio in Q2 2026, its #244 holding.
  • Calamos Advisors first reported a position in Amgen in Q2 2013 and has held it in 53 quarters since.
  • Calamos Advisors's Amgen position peaked at $54M in Q2 2013.
  • 3,164 funds tracked by Wall St. Rank held Amgen as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.