MainStreet Investment Advisors’s T-Mobile US TMUS Stock Holding History

MainStreet Investment 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	$875K	Buy	4,164 +40	+1%	+$8.22K	0.13%	105
2025 Q4	$837K	Sell	4,124 -254	-6%	-$53.8K	0.12%	106
2025 Q3	$1.05M	Buy	+4,378	New	+$1.06M	0.14%	99
2020 Q3	–	Sell	-20,137	Closed	-$2.1M	–	227
2020 Q2	$2.1M	Buy	20,137 +17,107	+565%	+$1.64M	0.14%	97
2020 Q1	$254K	Buy	+3,030	New	+$256K	0.03%	227

Other funds holding TMUS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return

MainStreet Investment Advisors's TMUS Position: Q1 2026 in Review

MainStreet Investment Advisors increased its T-Mobile US (TMUS) stake by 0.97% in Q1 2026, buying an estimated $8.22K and bringing the position to 4,164 shares worth $875K. The position accounts for 0.13% of the portfolio, ranked #105.

MainStreet Investment Advisors first reported a position in TMUS in Q1 2020 and has held it in 5 quarters since. The position peaked at $2.1M in Q2 2020. 1,719 funds tracked by Wall St. Rank hold TMUS as of Q1 2026.

MainStreet Investment Advisors held 4,164 shares of T-Mobile US worth $875K as of Q1 2026.
MainStreet Investment Advisors bought 40 T-Mobile US shares in Q1 2026, an estimated $8.22K.
T-Mobile US made up 0.13% of MainStreet Investment Advisors's portfolio in Q1 2026, its #105 holding.
MainStreet Investment Advisors first reported a position in T-Mobile US in Q1 2020 and has held it in 5 quarters since.
MainStreet Investment Advisors's T-Mobile US position peaked at $2.1M in Q2 2020.
1,719 funds tracked by Wall St. Rank held T-Mobile US as of Q1 2026.

Based on MainStreet Investment Advisors's 13F filing for Q1 2026, filed 11 May 2026.