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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
AF
676
Arrow Financial
New York
$2.56M +$9.44K +39 +0.4%
SFM
677
Signet Financial Management
New Jersey
$2.56M -$7.5K -31 -0.3%
CCP
678
Cunning Capital Partners
North Carolina
$2.54M – – –
FNBOO
679
First National Bank of Omaha
Nebraska
$2.54M -$120K -497 -4%
TCM
680
Tran Capital Management
California
$2.51M -$23.9M -98,634 -90%
RAM
681
Redmond Asset Management
Virginia
$2.49M -$54.5K -225 -2%
PCP
682
Proficio Capital Partners
Massachusetts
$2.49M -$4.22M -17,443 -63%
UOTTAIMCU
683
University of Texas/Texas AM Investment Management Co (UTIMCO)
Texas
$2.47M -$6.71M -27,701 -73%
SC
684
SouthState Corp
Florida
$2.46M -$51.8K -214 -2%
GDP
685
Great Diamond Partners
Maine
$2.46M +$61K +252 +3%
SFG
686
SevenBridge Financial Group
Pennsylvania
$2.43M +$770K +3,179 +39%
ADL
687
Asset Dedication LLC
California
$2.43M -$21.5K -89 -0.9%
NIA
688
NIA Impact Advisors
California
$2.41M -$1.21K -5 -0%
WWM
689
WT Wealth Management
Arizona
$2.4M +$579K +2,394 +31%
GKIM
690
GW&K Investment Management
Massachusetts
$2.4M -$10.5M -43,296 -81%
ARAM
691
Ardmore Road Asset Management
New York
$2.39M +$2.42M +10,000 New
PT
692
Plimoth Trust
Massachusetts
$2.39M +$148K +610 +7%
WFC
693
Western Financial Corp
California
$2.38M +$82.5K +341 +4%
SCA
694
Snowden Capital Advisors
New York
$2.38M +$427K +1,765 +22%
ECM
695
Eisler Capital Management
United Kingdom
$2.37M +$1.18M +4,863 +96%
BIM
696
Baldwin Investment Management
Pennsylvania
$2.34M -$2.9K -12 -0.1%
OCAM
697
Onex Canada Asset Management
Ontario, Canada
$2.34M -$817K -3,377 -26%
PRTG
698
Post Resch Tallon Group
New York
$2.33M – – –
AFCM
699
Applied Finance Capital Management
Puerto Rico
$2.33M -$198K -819 -8%
FFA
700
Farther Finance Advisors
California
$2.32M +$216K +891 +10%
26 27
28
29 30

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.