T-Mobile US, Inc.
TMUS- Exchange
- Nasdaq
- Industry
- Radiotelephone Communications
- SEC CIK
- 0001283699
In the last 90 days, T-Mobile US, Inc. insiders filed 0 open-market purchases and 1 sale; 1,666 institutions reported holding it in 13F filings for Q2 2026, worth $78.3B in total; no superinvestor holds it.
Holders of 5% or more of TMUS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of T-Mobile US, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Deutsche Telekom AG | 13D/A | 53.70%592.1M shares | −2.10 ppfrom 55.80% | Mar 14, 20256 filings | Mar 23, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on T-Mobile US, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 23, 20265:15 PM ET | Deutsche Telekom AGand 3 others | 13D/A | 53.70%592.1M shares | −2.10 ppfrom 55.80% | Mar 19, 2026 | SEC |
| Oct 6, 20256:24 PM ET | Deutsche Telekom AGand 3 others | 13D/A | 55.80%628.2M shares | −0.70 ppfrom 56.50% | Oct 2, 2025 | SEC |
| Aug 12, 20258:24 PM ET | Deutsche Telekom AGand 3 others | 13D/A | 56.50%636.4M shares | −0.60 ppfrom 57.10% | Aug 8, 2025 | SEC |
| Aug 8, 20259:00 PM ET | SoftBank Group Capital Ltdand 4 others | 13D/A | 4.52%50.9M shares | −1.10 ppfrom 5.62%Below 5% | Aug 6, 2025 | SEC |
| Jun 20, 20259:47 PM ET | Deutsche Telekom AGand 3 others | 13D/A | 57.10%648.4M shares | −1.90 ppfrom 59.00% | Jun 17, 2025 | SEC |
| Jun 20, 20259:05 PM ET | SoftBank Group Capital Ltdand 4 others | 13D/A | 5.62%63.9M shares | – | Jun 17, 2025 | SEC |
| Jun 12, 20254:40 PM ET | Deutsche Telekom AGand 3 others | 13D/A | 59.00%670.3M shares | +0.30 ppfrom 58.70% | Jun 12, 2025 | SEC |
| Mar 14, 20254:27 PM ET | Deutsche Telekom AGand 3 others | 13D/A | 58.70%670.3M shares | – | Mar 13, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell T-Mobile US, Inc. shares.
No Form 144 notices for T-Mobile US, Inc. are on file.