
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 Mar 31, 2025
Ownership Breakdown
1,854
Institutional Holders
▲ 109 vs Q4
$127.84B
Total Inst. Value
▲ $19.59B vs Q4
1.08B
Shares Outstanding
freeFloat 45.82%
479.54M
13F Shares Held
▼ 11.31M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
SOFTBANK GROUP CORP. radiotelephone communications | 85.36M | 7.48% | 7.48% | $22.77T | May 15, 2025 | — held |
VANGUARD GROUP INC radiotelephone communications | 41.95M | 3.68% | 3.68% | $11.19T | May 9, 2025 | ▼ 30.8K |
BLACKROCK, INC. radiotelephone communications | 37.42M | 3.28% | 3.28% | $9.98T | May 2, 2025 | ▼ 1.25M |
STATE STREET CORP radiotelephone communications | 22.15M | 1.94% | 1.94% | $5.91T | May 15, 2025 | ▼ 766.1K |
PRICE T ROWE ASSOCIATES INC /MD/ radiotelephone communications | 16.30M | 1.43% | 1.43% | $4.35T | May 14, 2025 | ▼ 2.51M |
FMR LLC radiotelephone communications | 13.08M | 1.15% | 1.15% | $3.49T | May 12, 2025 | ▲ 2.92M |
MORGAN STANLEY radiotelephone communications | 12.97M | 1.14% | 1.14% | $3.46T | May 15, 2025 | ▼ 492.0K |
WELLINGTON MANAGEMENT GROUP LLP radiotelephone communications | 12.85M | 1.13% | 1.13% | $3.43T | May 13, 2025 | ▲ 214.2K |
GEODE CAPITAL MANAGEMENT, LLC radiotelephone communications | 12.05M | 1.06% | 1.06% | $3.20T | May 13, 2025 | ▲ 195.9K |
CAPITAL INTERNATIONAL INVESTORS radiotelephone communications | 7.72M | 67.68% | 67.68% | $2.06T | May 12, 2025 | ▲ 1.19M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
16
Increased
+9.65M shares1
New Positions
first time holders32
Decreased
−20.63M shares0
Sold Out
fully exitedNet shares change (top 50)
10.99M
+9.65M / −20.63M
Net new holders
-15
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 44.3% of total shares outstanding. Company insiders own approximately 54.18%, while retail and public investors account for the remaining 1.51%.
The largest institutional shareholder of T-Mobile US, Inc. is SOFTBANK GROUP CORP., holding approximately 85.36 million shares — equal to 7.48% of outstanding shares — as of March 31, 2025.
A total of 1,854 institutional investors currently hold TMUS stock, with a combined institutional value of approximately $127.84 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 44.3% of shares. The largest shareholder is SOFTBANK GROUP CORP. with a 7.48% stake. Company insiders hold 54.18%. Data sourced from SEC Form 13F as of March 31, 2025.