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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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
1,719
Holders Change
-34
Holders Change %
-1.94%
% of All Funds
22.56%
Holding in Top 10
17
Holding in Top 10 Change
-13
Holding in Top 10 Change %
-43.33%
% of All Funds
0.22%
New
141
Increased
770
Reduced
586
Closed
147
Calls
$1.35B
Puts
$1.43B
Net Calls
-$84.7M
Net Calls Change
-$262M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$1.05B
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$769M
3
Citadel Advisors
Citadel Advisors
Florida
+$524M
4
BlackRock
BlackRock
New York
+$481M
5
Goldman Sachs
Goldman Sachs
New York
+$354M

Top Sellers

1
SoftBank Group
SoftBank Group
Japan
-$4.52B
2
Jane Street
Jane Street
New York
-$542M
3
GCM
Ghisallo Capital Management
Massachusetts
-$536M
4
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$261M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$189M
Name Holding Trade Value Shares
Change 		Change in
Stake
CSP
851
Cary Street Partners
Virginia
$1.28M -$8.47K -35 -0.6%
NP
852
Nilsine Partners
Colorado
$1.28M +$26.6K +110 +2%
Grantham, Mayo, Van Otterloo & Co (GMO)
853
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$1.28M – – –
BOTPPF
854
Board of the Pension Protection Fund
United Kingdom
$1.27M +$48.4K +200 +4%
CWS
855
Confluence Wealth Services
Pennsylvania
$1.26M -$19.4K -80 -1%
AT
856
Arlington Trust
Alabama
$1.26M – – –
APC
857
Aspire Private Capital
North Carolina
$1.26M +$30.5K +126 +2%
AC
858
Avestar Capital
New York
$1.26M -$200K -827 -14%
BF
859
Brucke Financial
Indiana
$1.26M +$730K +3,015 +102%
BI
860
Ballast Inc
Kentucky
$1.25M -$11.4K -47 -0.9%
IFG
861
Independent Financial Group
California
$1.25M -$86.7K -358 -6%
A
862
AustralianSuper
Australia
$1.25M +$259K +1,072 +26%
MOS
863
MGO One Seven
Ohio
$1.24M -$137K -565 -10%
ACMA
864
Arbor Capital Management (Alaska)
Alaska
$1.23M -$5.08K -21 -0.4%
BTD
865
BankPlus Trust Department
Mississippi
$1.23M +$67.3K +278 +6%
IAN
866
Integrated Advisors Network
Texas
$1.23M +$243K +1,002 +24%
EWM
867
EPG Wealth Management
Georgia
$1.23M +$87.9K +363 +8%
FA
868
Fiduciary Alliance
South Carolina
$1.22M +$10.2K +42 +0.8%
HR
869
Hardy Reed
Mississippi
$1.21M +$5.57K +23 +0.5%
ONST
870
Old North State Trust
North Carolina
$1.2M +$74.3K +307 +7%
MSAM
871
Moloney Securities Asset Management
Missouri
$1.2M -$1.69M -6,985 -58%
GCC
872
Game Creek Capital
Massachusetts
$1.2M – – –
PBC
873
Pavion Blue Capital
California
$1.2M – – –
EI
874
Ellevest Inc
New York
$1.2M -$242K -1,001 -17%
PTC
875
Private Trust Company
Ohio
$1.19M -$614K -2,538 -34%
33 34
35
36 37

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.