Calamos Advisors
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Calamos Advisors’s T-Mobile US TMUS Stock Holding History

Calamos Advisors’s Portfolio TMUS Stock Details TMUS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$325K Sell
1,600
-500
-24% -$103K ﹤0.01% 971
2025
Q4 		$503K Buy
2,100
+100
+5% +$21.2K ﹤0.01% 766
2025
Q3 		$477K Hold
2,000
– – ﹤0.01% 773
2025
Q2 		$533K Buy
2,000
+1,000
+100% +$244K ﹤0.01% 741
2025
Q1 		$221K Buy
+1,000
New +$246K ﹤0.01% 793

Other funds holding TMUS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SoftBank Group
SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return

Calamos Advisors's TMUS Position: Q1 2026 in Review

Calamos Advisors reduced its T-Mobile US (TMUS) stake by 1.3% in Q1 2026, selling an estimated $599K and leaving 222,110 shares worth $46.6M. The position accounts for 0.17% of the portfolio, ranked #146.

Calamos Advisors first reported a position in TMUS in Q4 2013 and has held it in 28 quarters since. The position peaked at $83.3M in Q1 2025. 1,719 funds tracked by Wall St. Rank hold TMUS as of Q1 2026.

  • Calamos Advisors held 222,110 shares of T-Mobile US worth $46.6M as of Q1 2026.
  • Calamos Advisors sold 2,916 T-Mobile US shares in Q1 2026, an estimated $599K.
  • T-Mobile US made up 0.17% of Calamos Advisors's portfolio in Q1 2026, its #146 holding.
  • Calamos Advisors first reported a position in T-Mobile US in Q4 2013 and has held it in 28 quarters since.
  • Calamos Advisors's T-Mobile US position peaked at $83.3M in Q1 2025.
  • 1,719 funds tracked by Wall St. Rank held T-Mobile US as of Q1 2026.

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