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Mainstay Capital Management’s T-Mobile US TMUS Stock Holding History

Mainstay Capital Management’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
Q2 		– Sell
-1,038
Closed -$218K – 156
2026
Q1 		$218K Sell
1,038
-34
-3% -$6.98K 0.02% 138
2025
Q4 		$218K Buy
1,072
+74
+7% +$15.7K 0.02% 125
2025
Q3 		$239K Sell
998
-674
-40% -$163K 0.02% 109
2025
Q2 		$398K Buy
1,672
+906
+118% +$221K 0.02% 117
2025
Q1 		$204K Buy
+766
New +$189K 0.03% 105

Other funds holding TMUS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
SoftBank Group
SoftBank Group Tokyo, Japan $18.2B AUM 177.65% 1-Year Est. Return

Mainstay Capital Management's TMUS Position: Q2 2026 in Review

Mainstay Capital Management sold out of T-Mobile US (TMUS) in Q2 2026, closing a stake of 1,038 shares — an estimated $218K sold.

Mainstay Capital Management first reported a position in TMUS in Q1 2025 and held it in 5 quarters. The position peaked at $398K in Q2 2025. 1,666 funds tracked by Wall St. Rank hold TMUS as of Q2 2026.

  • Mainstay Capital Management reported no remaining T-Mobile US position as of Q2 2026 after selling out during the quarter.
  • Mainstay Capital Management sold 1,038 T-Mobile US shares in Q2 2026, an estimated $218K.
  • Mainstay Capital Management first reported a position in T-Mobile US in Q1 2025 and held it in 5 quarters.
  • Mainstay Capital Management's T-Mobile US position peaked at $398K in Q2 2025.
  • 1,666 funds tracked by Wall St. Rank held T-Mobile US as of Q2 2026.

Based on Mainstay Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.