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Of the 19 tracked institutions holding TMUS, 12 have a 3-year clone track record — 11 of them beat the S&P. Average holder's clone alpha: +5.2pt. It's a gauge of who owns the name, not just how many.
Among the 19 tracked institutional investors we monitor, TMUS (T-MOBILE US INC) is held with a combined value of $37.14B across 178,238,626 shares. The largest holder is VANGUARD GROUP INC with a position worth $8.69B (0.13% of their portfolio). 3 funds opened new positions in the most recent quarter. 9 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$37.14B
Total Shares Held
178,238,626
Institutional Holders
19
% of Shares Outstanding
16.5%
of 1.08B shares · SEC 2026-04-24
Days to Cover
2.8-14.9%
20.01M shares short · FINRA 2026-06-30
Tracked 13F institutions hold 16.5% of TMUS's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-24), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $8.69B | 0.13% | +0.0% |
| 2 | BlackRock, Inc. | $8.22B | 0.14% | +0.1% |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | $5.98B | 0.69% | +2.5% |
| 4 | STATE STREET CORP | $4.98B | 0.17% | -6.2% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | $3.61B | 0.67% | +3.7% |
| 6 | FMR LLC | $2.63B | 0.14% | -20.4% |
| 7 | VIKING GLOBAL INVESTORS LP | $623.24M | 1.74% | -21.0% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $565.00M | 0.26% | +115.2% |
| 9 | CITADEL ADVISORS LLC | $527.62M | 0.37% | +141.8% |
| 10 | MILLENNIUM MANAGEMENT LLC | $430.81M | 0.18% | +43.7% |
| Member | Type | Date |
|---|---|---|
| Alan Armstrong | Sell | Mar 27, 2026 |
| Jonathan Jackson | Sell | Jan 13, 2026 |
| Dan Newhouse | Buy | Dec 11, 2025 |
| Jonathan Jackson | Sell |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of TMUS with a position worth $8.69B, representing 0.13% of their portfolio. In total, 19 institutional investors hold TMUS with a combined value of $37.14B.
In the most recent quarter, 3 funds opened a new position in TMUS. Additionally, 9 increased their holdings and 7 reduced their positions.
Institutional investors hold $37.14B worth of TMUS stock across 19 positions. The largest institutional holder is VANGUARD GROUP INC with $8.69B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For TMUS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their TMUS positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Nov 11, 2025 |
| Markwayne Mullin | Sell | Nov 3, 2025 |
| Lisa McClain | Sell | Oct 31, 2025 |
| Lisa McClain | Sell | Oct 30, 2025 |
| Lisa McClain | Buy | Oct 30, 2025 |
Showing 8 of 22. STOCK Act disclosures lag up to 45 days.
Last Close
$180.09
2026-07-24
YTD
-9.8%
14% of 52-week range
