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Rossby Financial’s T-Mobile US TMUS Stock Holding History

Rossby Financial’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 		$129K Sell
768
-701
-48% -$133K 0.02% 490
2026
Q1 		$300K Buy
1,469
+679
+86% +$139K 0.06% 278
2025
Q4 		$160K Sell
790
-1,111
-58% -$236K 0.05% 318
2025
Q3 		$443K Buy
1,901
+36
+2% +$8.71K 0.14% 134
2025
Q2 		$444K Buy
1,865
+152
+9% +$37.1K 0.16% 129
2025
Q1 		$399K Buy
1,713
+769
+81% +$190K 0.17% 131
2024
Q4 		$208K Buy
+944
New +$215K 0.13% 184

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

Rossby Financial's TMUS Position: Q2 2026 in Review

Rossby Financial reduced its T-Mobile US (TMUS) stake by 48% in Q2 2026, selling an estimated $133K and leaving 768 shares worth $129K. The position accounts for 0.02% of the portfolio, ranked #490.

Rossby Financial first reported a position in TMUS in Q4 2024 and has held it in 7 quarters since. The position peaked at $444K in Q2 2025. 1,655 funds tracked by Wall St. Rank hold TMUS as of Q2 2026.

  • Rossby Financial held 768 shares of T-Mobile US worth $129K as of Q2 2026.
  • Rossby Financial sold 701 T-Mobile US shares in Q2 2026, an estimated $133K.
  • T-Mobile US made up 0.02% of Rossby Financial's portfolio in Q2 2026, its #490 holding.
  • Rossby Financial first reported a position in T-Mobile US in Q4 2024 and has held it in 7 quarters since.
  • Rossby Financial's T-Mobile US position peaked at $444K in Q2 2025.
  • 1,655 funds tracked by Wall St. Rank held T-Mobile US as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.