Calamos Advisors
ABT icon

Calamos Advisors’s Abbott ABT Stock Holding History

Calamos Advisors’s Portfolio ABT Stock Details ABT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2019
Q4 		– Sell
-170,000
Closed -$14.2M – 769
2019
Q3 		$14.2M Buy
+170,000
New +$14.4M 0.08% 282

Other funds holding ABT

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 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
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Calamos Advisors's ABT Position: Q1 2026 in Review

Calamos Advisors reduced its Abbott (ABT) stake by 24% in Q1 2026, selling an estimated $13.9M and leaving 378,774 shares worth $38.9M. The position accounts for 0.14% of the portfolio, ranked #177.

Calamos Advisors first reported a position in ABT in Q2 2013 and has held it in 52 quarters since. The position peaked at $71.5M in Q4 2021. 3,087 funds tracked by Wall St. Rank hold ABT as of Q1 2026.

  • Calamos Advisors held 378,774 shares of Abbott worth $38.9M as of Q1 2026.
  • Calamos Advisors sold 122,909 Abbott shares in Q1 2026, an estimated $13.9M.
  • Abbott made up 0.14% of Calamos Advisors's portfolio in Q1 2026, its #177 holding.
  • Calamos Advisors first reported a position in Abbott in Q2 2013 and has held it in 52 quarters since.
  • Calamos Advisors's Abbott position peaked at $71.5M in Q4 2021.
  • 3,087 funds tracked by Wall St. Rank held Abbott as of Q1 2026.

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