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Cornerstone Planning’s T-Mobile US TMUS Stock Holding History

Cornerstone Planning’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 		$1.85M Sell
11,046
-51
-0.5% -$9.66K 0.43% 73
2026
Q1 		$2.33M Sell
11,097
-2,240
-17% -$460K 0.53% 76
2025
Q4 		$2.72M Buy
+13,337
New +$2.83M 0.63% 63
2024
Q4 		$2.14M Buy
+9,692
New +$2.2M 0.82% 33

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

Cornerstone Planning's TMUS Position: Q2 2026 in Review

Cornerstone Planning reduced its T-Mobile US (TMUS) stake by 0.46% in Q2 2026, selling an estimated $9.66K and leaving 11,046 shares worth $1.85M. The position accounts for 0.43% of the portfolio, ranked #73.

Cornerstone Planning first reported a position in TMUS in Q4 2024 and has held it in 4 quarters since. The position peaked at $2.72M in Q4 2025. 1,650 funds tracked by Wall St. Rank hold TMUS as of Q2 2026.

  • Cornerstone Planning held 11,046 shares of T-Mobile US worth $1.85M as of Q2 2026.
  • Cornerstone Planning sold 51 T-Mobile US shares in Q2 2026, an estimated $9.66K.
  • T-Mobile US made up 0.43% of Cornerstone Planning's portfolio in Q2 2026, its #73 holding.
  • Cornerstone Planning first reported a position in T-Mobile US in Q4 2024 and has held it in 4 quarters since.
  • Cornerstone Planning's T-Mobile US position peaked at $2.72M in Q4 2025.
  • 1,650 funds tracked by Wall St. Rank held T-Mobile US as of Q2 2026.

Based on Cornerstone Planning's 13F filing for Q2 2026, filed 30 Jul 2026.