T-Mobile US, Inc.
T-Mobile US, Inc. (TMUS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TMUS · as of Sep 30, 2025
Ownership Breakdown
1,796
Institutional Holders
▼ 45 vs Q2
$114.71B
Total Inst. Value
▲ $1.81B vs Q2
1.08B
Shares Outstanding
freeFloat 45.82%
465.34M
13F Shares Held
▼ 8.80M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
TMUS largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
SOFTBANK GROUP CORP. radiotelephone communications | 45.17M | 3.99% | 3.99% | $10.81T | Nov 14, 2025 | ▼ 18.69M |
VANGUARD GROUP INC radiotelephone communications | 42.80M | 3.78% | 3.78% | $10.24T | Nov 7, 2025 | ▲ 636.2K |
BLACKROCK, INC. radiotelephone communications | 39.12M | 3.45% | 3.45% | $9.36T | Nov 12, 2025 | ▲ 1.99M |
STATE STREET CORP radiotelephone communications | 24.23M | 2.14% | 2.14% | $5.80T | Nov 14, 2025 | ▲ 1.09M |
PRICE T ROWE ASSOCIATES INC /MD/ radiotelephone communications | 21.28M | 1.88% | 1.88% | $5.09T | Nov 14, 2025 | ▲ 3.18M |
FMR LLC radiotelephone communications | 14.74M | 1.30% | 1.30% | $3.53T | Nov 13, 2025 | ▲ 536.7K |
MORGAN STANLEY radiotelephone communications | 13.81M | 1.22% | 1.22% | $3.31T | May 27, 2026 | ▲ 595.8K |
CAPITAL INTERNATIONAL INVESTORS radiotelephone communications | 13.73M | 1.21% | 1.21% | $3.29T | Nov 13, 2025 | ▲ 711.3K |
WELLINGTON MANAGEMENT GROUP LLP radiotelephone communications | 13.46M | 1.19% | 1.19% | $3.22T | Nov 14, 2025 | ▲ 4.34M |
GEODE CAPITAL MANAGEMENT, LLC radiotelephone communications | 12.26M | 1.08% | 1.08% | $2.93T | Nov 12, 2025 | ▲ 294.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
32
Increased
+24.06M shares1
New Positions
first time holders17
Decreased
−25.51M shares0
Sold Out
fully exitedNet shares change (top 50)
1.46M
+24.06M / −25.51M
Net new holders
+16
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
TMUS insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
2
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Freier Jon Chief Operating Officer | May 21, 2026 | Sale | 4,799 | $190.00 | $911.8K | 217.2K | Form 4 ↗ |
Drobac Daniel James VP & Chief Accounting Officer | May 1, 2026 | Tax Withhold | 36.525 | $196.06 | $7.2K | 36.1K | Form 4 ↗ |
Almeida Andre Chief Broadband, Ent. & Emerg | May 1, 2026 | Purchase | 5,097.44 | $196.18 | $1.00M | 44.8K | Form 4 ↗ |
Katz Michael J. Chief Bus. and Prod. Officer | May 1, 2026 | Sale | 5,000 | $195.81 | $979.0K | 181.9K | Form 4 ↗ |
Nelson Mark Wolfe Chief Legal Officer & GC | Mar 12, 2026 | Award | 85.786 | $211.58 | $18.2K | 65.8K | Form 4 ↗ |
Datar Srikant M. director | Mar 10, 2026 | Sale | 1,000 | $218.25 | $218.3K | 10.8K | Form 4 ↗ |
Datar Srikant M. director | Mar 4, 2026 | Sale | 3,291 | $221.10 | $727.6K | 1.0K | Form 4 ↗ |
Gopalan Srini President and CEO | Mar 1, 2026 | Tax Withhold | 2,835.031 | $217.09 | $615.5K | 144.7K | Form 4 ↗ |
Almeida Andre Chief Broadband, Ent. & Emerg | Mar 1, 2026 | Tax Withhold | 366.688 | $217.09 | $79.6K | 39.8K | Form 4 ↗ |
Drobac Daniel James VP & Chief Accounting Officer | Feb 25, 2026 | Tax Withhold | 388.871 | $218.66 | $85.0K | 36.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
T-Mobile US, Inc. (TMUS) is primarily owned by institutional investors, who hold approximately 43.0% of total shares outstanding. Company insiders own approximately 54.18%, while retail and public investors account for the remaining 2.82%.
The largest institutional shareholder of T-Mobile US, Inc. is SOFTBANK GROUP CORP., holding approximately 45.17 million shares — equal to 3.99% of outstanding shares — as of September 30, 2025.
A total of 1,796 institutional investors currently hold TMUS stock, with a combined institutional value of approximately $114.71 billion as of the most recent 13F filing period.
Frequently asked questions
TMUS ownershipT-Mobile US, Inc. (TMUS) is primarily owned by institutional investors, who hold approximately 43.0% of shares. The largest shareholder is SOFTBANK GROUP CORP. with a 3.99% stake. Company insiders hold 54.18%. Data sourced from SEC Form 13F as of September 30, 2025.