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T-MOBILE US INC

TMUS

Holders

2

Combined Value

$682.22M

Combined Shares

3,248,181

Current Price

$189.10

52W High

$261.56

vs 52W High

−27.7%

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$158.07$200.32$242.57$284.82Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $176.18Q3 2024 · implied price $206.36Q4 2024 · implied price $220.73Q1 2025 · implied price $266.71Q2 2025 · implied price $238.26Q3 2025 · implied price $239.38Q4 2025 · implied price $203.04Q1 2026 · implied price $210.03Warren Buffett - Berkshire Hathaway · bought 4,672,000 shares @ ~$176.18 · Q2 2024 (new position)Andreas Halvorsen - Viking Global Investors · bought 2,492,802 shares @ ~$176.18 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 16,507 shares @ ~$176.18 · Q2 2024 (new position)Andreas Halvorsen - Viking Global Investors · sold 1,342,064 shares @ ~$206.36 · Q3 2024Jim Simons - Renaissance Technologies · sold 16,507 shares @ ~$176.18 · Q3 2024 (sold out)Andreas Halvorsen - Viking Global Investors · sold 540,334 shares @ ~$220.73 · Q4 2024Warren Buffett - Berkshire Hathaway · sold 322,000 shares @ ~$220.73 · Q4 2024Andreas Halvorsen - Viking Global Investors · bought 955,490 shares @ ~$266.71 · Q1 2025Jim Simons - Renaissance Technologies · bought 192,807 shares @ ~$266.71 · Q1 2025 (new position)Warren Buffett - Berkshire Hathaway · sold 466,855 shares @ ~$266.71 · Q1 2025Andreas Halvorsen - Viking Global Investors · bought 1,279,422 shares @ ~$238.26 · Q2 2025Jim Simons - Renaissance Technologies · bought 240,084 shares @ ~$238.26 · Q2 2025Warren Buffett - Berkshire Hathaway · sold 3,883,145 shares @ ~$266.71 · Q2 2025 (sold out)Andreas Halvorsen - Viking Global Investors · bought 417,150 shares @ ~$239.38 · Q3 2025Jim Simons - Renaissance Technologies · sold 186,284 shares @ ~$239.38 · Q3 2025Jim Simons - Renaissance Technologies · bought 837,200 shares @ ~$203.04 · Q4 2025Andreas Halvorsen - Viking Global Investors · bought 491,752 shares @ ~$203.04 · Q4 2025Jim Simons - Renaissance Technologies · sold 803,000 shares @ ~$210.03 · Q1 2026Andreas Halvorsen - Viking Global Investors · sold 786,844 shares @ ~$210.03 · Q1 2026BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Andreas Halvorsen - Viking Global Investors$623.24M1.74%~$230.92−18.1%SELL Q1 2026Q1 2026
Jim Simons - Renaissance Technologies$58.98M0.09%~$213.94−11.6%SELL Q1 2026Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Jim Simons - Renaissance TechnologiesSELL−$168.65M~$210.03
Q1 2026Andreas Halvorsen - Viking Global InvestorsSELL−$165.26M~$210.03
Q4 2025Jim Simons - Renaissance TechnologiesBUY+$169.99M~$203.04
Q4 2025Andreas Halvorsen - Viking Global InvestorsBUY+$99.85M~$203.04
Q3 2025Andreas Halvorsen - Viking Global InvestorsBUY+$99.86M~$239.38
Q3 2025Jim Simons - Renaissance TechnologiesSELL−$44.59M~$239.38
Q2 2025Warren Buffett - Berkshire HathawaySOLD OUT−$1.04B~$266.71
Q2 2025Andreas Halvorsen - Viking Global InvestorsBUY+$304.84M~$238.26
Q2 2025Jim Simons - Renaissance TechnologiesBUY+$57.20M~$238.26
Q1 2025Andreas Halvorsen - Viking Global InvestorsBUY+$254.84M~$266.71
Q1 2025Warren Buffett - Berkshire HathawaySELL−$124.51M~$266.71
Q1 2025Jim Simons - Renaissance TechnologiesNEW BUY+$51.42M~$266.71
Q4 2024Andreas Halvorsen - Viking Global InvestorsSELL−$119.27M~$220.73
Q4 2024Warren Buffett - Berkshire HathawaySELL−$71.08M~$220.73
Q3 2024Andreas Halvorsen - Viking Global InvestorsSELL−$276.95M~$206.36
Q3 2024Jim Simons - Renaissance TechnologiesSOLD OUT−$2.91M~$176.18
Q2 2024Warren Buffett - Berkshire HathawayNEW BUY+$823.11M~$176.18
Q2 2024Andreas Halvorsen - Viking Global InvestorsNEW BUY+$439.18M~$176.18
Q2 2024Jim Simons - Renaissance TechnologiesNEW BUY+$2.91M~$176.18

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 202623,248,181-32.9%$682.22M$210.03
Q4 202524,838,025+37.9%$982.31M$203.04
Q3 202523,509,073+7.0%$840.00M$239.38
Q2 202523,278,207-41.9%$781.07M$238.26
Q1 202535,641,846+13.7%$1.50B$266.71
Q4 202424,960,404-14.8%$1.09B$220.73
Q3 202425,822,738-18.9%$1.20B$206.36
Q2 202437,181,309$1.27B$176.18