T-Mobile US
TMUS
1,719 hedge funds and large institutions have $111B invested in T-Mobile US in 2025 Q3 according to their latest regulatory filings, with 141 funds opening new positions, 770 increasing their positions, 586 reducing their positions, and 147 closing their positions.
31% more repeat investments, than reductions
Existing positions increased: 770 | Existing positions reduced: 586
0.39% less ownership
Funds ownership: 41.79% → 41.4% (-0.39%)
1% less capital invested
Capital invested by funds: $113B → $111B (-$1.59B)
4% less first-time investments, than exits
New positions opened: 141 | Existing positions closed: 147
6% less call options, than puts
Call options by funds: $1.35B | Put options by funds: $1.43B
2% less funds holding
Funds holding: 1,753 → 1,719 (-34)
43% less funds holding in top 10
Funds holding in top 10: 30 → 17 (-13)
Top Buyers
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$1.05B |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$769M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$524M |
| 4 |
BlackRock
New York
|
+$481M |
| 5 |
Goldman Sachs
New York
|
+$354M |
Top Sellers
| 1 |
SoftBank Group
Tokyo,
Japan
|
-$4.52B |
| 2 |
Jane Street
New York
|
-$542M |
| 3 |
GCM
Ghisallo Capital Management
Boston,
Massachusetts
|
-$536M |
| 4 |
Acadian Asset Management
Boston,
Massachusetts
|
-$261M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$189M |
TMUS Hedge Fund Activity: Q3 2025 in Review
1,719 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in T-Mobile US (TMUS) for Q3 2025, worth a combined $111B — down 1.4% from $113B a quarter earlier.
Sellers outnumbered buyers: 147 funds closed out of TMUS and 141 opened new positions — a net loss of 6 holders — while 586 trimmed existing stakes and 770 added.
The largest buyer was Wellington Management Group, adding an estimated $1.05B. The largest seller was SoftBank Group, cutting an estimated $4.52B.
- 1,719 institutional investors held T-Mobile US (TMUS) as of Q3 2025, down from 1,753 in Q2 2025.
- Funds reported $111B of T-Mobile US stock for Q3 2025, down 1.4% quarter-over-quarter.
- 141 funds opened new T-Mobile US positions in Q3 2025 and 147 closed out, a net change of -6 holders.
- The largest T-Mobile US buyer in Q3 2025 was Wellington Management Group, an estimated $1.05B added.
- The largest T-Mobile US seller in Q3 2025 was SoftBank Group, an estimated $4.52B sold.
Based on aggregated 13F filings for Q3 2025.