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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
VIA
601
Vickerman Investment Advisors
Washington
$3.5M -$34.4K -142 -1%
AI
602
Atria Investments
North Carolina
$3.48M -$537K -2,217 -13%
MPWT
603
MassMutual Private Wealth & Trust
Connecticut
$3.47M +$3.08M +12,728 +713%
SSWM
604
Sheets Smith Wealth Management
North Carolina
$3.45M -$799K -3,300 -19%
TCM
605
Traynor Capital Management
Pennsylvania
$3.45M +$2.46M +10,157 +239%
HT
606
HAP Trading
New York
$3.43M +$190K +783 +6%
SFA
607
Sequoia Financial Advisors
Ohio
$3.42M +$159K +657 +5%
GM
608
GeoWealth Management
Illinois
$3.42M +$656K +2,712 +23%
EH
609
Equitable Holdings
New York
$3.41M +$206K +851 +6%
SC
610
Savant Capital
Illinois
$3.39M +$257K +1,063 +8%
WCA
611
Westover Capital Advisors
Delaware
$3.35M -$21.5K -89 -0.6%
SAG
612
SageView Advisory Group
California
$3.34M -$62K -256 -2%
GI
613
GAMMA Investing
California
$3.32M +$550K +2,271 +20%
PIM
614
Penobscot Investment Management
Massachusetts
$3.32M -$88.1K -364 -3%
FMB
615
Field & Main Bank
Kentucky
$3.31M +$1.45K +6 +0%
HIS
616
Horizon Investment Services
Indiana
$3.3M +$25.7K +106 +0.8%
FFS
617
Founders Financial Securities
Maryland
$3.28M +$141K +583 +4%
FBFS
618
First Business Financial Services
Wisconsin
$3.27M -$366K -1,512 -10%
RPI
619
Railway Pension Investments
United Kingdom
$3.23M – – –
LNWWM
620
Laird Norton Wetherby Wealth Management
California
$3.22M +$101K +419 +3%
Bessemer Group
621
Bessemer Group
New Jersey
$3.18M +$52.5K +217 +2%
IIM
622
Illumine Investment Management
Washington
$3.18M +$22.5K +93 +0.7%
MWM
623
Mission Wealth Management
California
$3.17M +$36.8K +152 +1%
LCC
624
Lincoln Capital Corp
Rhode Island
$3.15M -$2.77M -11,424 -46%
QCG
625
Quadrant Capital Group
Ohio
$3.14M +$9.44K +39 +0.3%
23 24
25
26 27

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.