InvestorLens

TMUS — T-MOBILE US INC

Communication Services · Telecom

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying TMUS?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
50
Institutional Conviction
Net distribution · 1 buying vs 1 selling last quarter
36
Macro Tailwind
Macro conditions are mixed for this sector
56
Congressional Activity
0 congressional purchases, 1 sale disclosed in the last 6 months
Why? — Evidence & Confidence ▾

Of 2 tracked investors who changed their TMUS position last quarter, 1 bought and 1 sold (50% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime). 0 congressional purchases, 1 sale disclosed in the last 6 months.

Supporting evidence
  • +1 tracked investor added or increased positions last quarter (Ray Dalio)
  • +4 tracked investors reported holding TMUS at their latest filing
  • +Macro Health is 56/100 in a Overheat regime — historically acceptable for Communication Servicessource
Contradicting evidence — always shown
  • −1 tracked investor reduced or exited last quarter (0 reduced, 1 sold out)
  • −Congressional disclosures lean toward selling (1 sales vs 0 purchases, 6 months)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.

About T-MOBILE US INC (TMUS)

T-MOBILE US INC (TMUS) appears in the most recent 13F filings of 4 tracked institutional investors. T-MOBILE US INC is classified in the Communication Services sector (Telecom industry). The largest disclosed position is held by Warren Buffett (Berkshire Hathaway), valued at $1.0B. Across recent filings, tracked investors recorded 5 new positions, 10 increased, 10 reduced, and 4 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in TMUS

52
/100
Mixed Activity
Added / Increased15
Reduced10
Exited4
BearishBullish
Crowded Trade Score™

How many top investors track TMUS

27
/100
Emerging Interest
4investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

TMUS Ownership Composition

How T-MOBILE US INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Multi-Strategy / Quant
97% of tracked value
Institutions
4
tracked investors
Total Reported
$1B
combined 13F value
Types2
  • Multi-Strategy / Quant97.2%
  • Macro2.8%
Multi-Strategy / Quant(3)
97.2%
Macro(1)
2.8%

Tracked investors currently reporting TMUS

4 tracked investors have since exited this position — listed separately below.

  • Ken GriffinJun 30, 2026
    Citadel Advisors
    Shares
    2.7M
    Value
    $457.4M
    % Portfolio
    0.05%
  • Izzy EnglanderJun 30, 2026
    Millennium Management
    Shares
    1.8M
    Value
    $302.9M
    % Portfolio
    0.11%
  • Steve CohenJun 30, 2026
    Point72 Asset Management
    Shares
    1.5M
    Value
    $258.1M
    % Portfolio
    0.28%
  • Ray DalioJun 30, 2026
    Bridgewater Associates
    Shares
    172.6K
    Value
    $28.9M
    % Portfolio
    0.12%

Previously held TMUS

These investors reported TMUS in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Warren BuffettBerkshire Hathaway3.9M$1BMar 31, 2025
Andreas HalvorsenViking Global Investors3M$623.2MMar 31, 2026
Paul Tudor JonesTudor Investment Corp130.1K$27.3MMar 31, 2026
Stanley DruckenmillerDuquesne Family Office756.7K$106MSep 30, 2023

Recent activity

Frequently asked questions

How many institutional investors hold TMUS?
4 tracked institutional investors disclosed a position in TMUS (T-MOBILE US INC) in their most recent 13F filing.
Who is the largest institutional holder of TMUS?
Warren Buffett, Berkshire Hathaway, holds the largest disclosed position in TMUS, valued at $1.0B.
Did institutional ownership of TMUS increase or decrease?
Across recent 13F filings, tracked investors recorded 5 new positions, 10 increased, 10 reduced, and 4 fully exited TMUS.
What sector is TMUS in?
T-MOBILE US INC is classified in the Communication Services GICS sector, Telecom industry.
Where does this TMUS ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.