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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Calamos Advisors's AMGN Position: Q1 2026 in Review

Calamos Advisors increased its Amgen (AMGN) stake by 8.2% in Q1 2026, buying an estimated $2.05M and bringing the position to 75,496 shares worth $26.6M. The position accounts for 0.09% of the portfolio, ranked #228.

Calamos Advisors first reported a position in AMGN in Q2 2013 and has held it in 52 quarters since. The position peaked at $54M in Q2 2013. 3,127 funds tracked by Wall St. Rank hold AMGN as of Q1 2026.

  • Calamos Advisors held 75,496 shares of Amgen worth $26.6M as of Q1 2026.
  • Calamos Advisors bought 5,748 Amgen shares in Q1 2026, an estimated $2.05M.
  • Amgen made up 0.09% of Calamos Advisors's portfolio in Q1 2026, its #228 holding.
  • Calamos Advisors first reported a position in Amgen in Q2 2013 and has held it in 52 quarters since.
  • Calamos Advisors's Amgen position peaked at $54M in Q2 2013.
  • 3,127 funds tracked by Wall St. Rank held Amgen as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.