CAM
TMUS icon

Costello Asset Management’s T-Mobile US TMUS Stock Holding History

Costello Asset 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 		$183K Buy
1,093
+344
+46% +$65.1K 0.06% 126
2026
Q1 		$157K Buy
749
+78
+12% +$16K 0.05% 125
2025
Q4 		$136K Sell
671
-14
-2% -$2.97K 0.05% 131
2025
Q3 		$164K Sell
685
-17
-2% -$4.12K 0.05% 120
2025
Q2 		$167K Hold
702
– – 0.06% 120
2025
Q1 		$187K Buy
+702
New +$173K 0.08% 106

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 $3.37T AUM 44.26% 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

Costello Asset Management's TMUS Position: Q2 2026 in Review

Costello Asset Management increased its T-Mobile US (TMUS) stake by 46% in Q2 2026, buying an estimated $65.1K and bringing the position to 1,093 shares worth $183K. The position accounts for 0.06% of the portfolio, ranked #126.

Costello Asset Management first reported a position in TMUS in Q1 2025 and has held it in 6 quarters since. The position peaked at $187K in Q1 2025. 1,655 funds tracked by Wall St. Rank hold TMUS as of Q2 2026.

  • Costello Asset Management held 1,093 shares of T-Mobile US worth $183K as of Q2 2026.
  • Costello Asset Management bought 344 T-Mobile US shares in Q2 2026, an estimated $65.1K.
  • T-Mobile US made up 0.06% of Costello Asset Management's portfolio in Q2 2026, its #126 holding.
  • Costello Asset Management first reported a position in T-Mobile US in Q1 2025 and has held it in 6 quarters since.
  • Costello Asset Management's T-Mobile US position peaked at $187K in Q1 2025.
  • 1,655 funds tracked by Wall St. Rank held T-Mobile US as of Q2 2026.

Based on Costello Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.