TMUS — T-MOBILE US INC
Communication Services · Telecom
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
About T-MOBILE US INC (TMUS)
T-MOBILE US INC (TMUS) appears in the most recent 13F filings of 5 tracked institutional investors. T-MOBILE US INC is classified in the Communication Services sector (Telecom industry). The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $890M. Across recent filings, tracked investors recorded 3 new positions, 1 increased, 1 reduced, and 0 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in TMUS
How many top investors track TMUS
A small number of top investors own this.
TMUS Ownership Composition
How T-MOBILE US INC is held across tracked investor types, based on reported 13F positions.
- Other84.4%
- Hedge Funds15.6%
Tracked investors reporting TMUS
- Ken GriffinMar 31, 2026Citadel AdvisorsShares4.2MValue$890.3M% Portfolio0.14%
- Andreas HalvorsenMar 31, 2026Viking Global InvestorsShares3MValue$623.2M% Portfolio1.74%
- Izzy EnglanderMar 31, 2026Millennium ManagementShares2.1MValue$430.8M% Portfolio0.18%
- Steve CohenMar 31, 2026Point72 Asset ManagementShares1.7MValue$362.5M% Portfolio0.46%
- Ray DalioMar 31, 2026Bridgewater AssociatesShares98.5KValue$20.7M% Portfolio0.09%
Recent activity
- $762.3MFeb 17, 2026
- $623.2MMay 15, 2026
- Reduced$20.7M(-57.11%)May 15, 2026
- Increased$46.6K(76.65%)Feb 13, 2026
- New$31.1KNov 13, 2025
Frequently asked questions
- How many institutional investors hold TMUS?
- 5 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?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in TMUS, valued at $890M.
- Did institutional ownership of TMUS increase or decrease?
- Across recent 13F filings, tracked investors recorded 3 new positions, 1 increased, 1 reduced, and 0 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.