VerityRank

T-Mobile US — Market cap history

2025–2026 · 14 monthly closes

TMUSNASDAQ2025–2026
Listed
2025-09
First close
USD 49.35
split-adjusted
Since listing
+198%
14 points
Current
USD 147.29
$159 B
Peak
USD 239.38
$258 B2025-09
Low
USD 147.29
$159 B2026-10
Latest change
-9.7%
2026-09 → 2026-10
Change since first
-38.5%
2025-09
52-week range
USD 143.75 – USD 224.75
Drawdown
-34.5%
Avg vol 3m
5.3M

Market cap history

2025–2026
$0$75.0 B$150 B$225 B$300 B2025-092025-102025-112025-122026-012026-022026-032026-042026-052026-062026-072026-082026-092026-10
Monthly closes from Yahoo Finance. Market cap = close x current shares outstanding, so earlier years are an approximation.
MonthCloseMarket capChange
  • 2026-10USD 147.29$159 B-9.7%
  • 2026-09USD 163.08$176 B-9.6%
  • 2026-08USD 180.44$194 B+4.5%
  • 2026-07USD 172.71$186 B+3.0%
  • 2026-06USD 167.73$181 B-10.6%
  • 2026-05USD 187.53$202 B-4.1%
  • 2026-04USD 195.50$210 B-6.9%
  • 2026-03USD 210.03$226 B-3.3%
  • 2026-02USD 217.09$234 B+10.1%
  • 2026-01USD 197.21$212 B-2.9%
  • 2025-12USD 203.04$219 B-2.9%
  • 2025-11USD 209.01$225 B-0.5%
  • 2025-10USD 210.05$226 B-12.3%
  • 2025-09USD 239.38$258 B—