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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
AIM
1351
Advyzon Investment Management
Illinois
$251K +$16.7K +69 +7%
RC
1352
Roundview Capital
New Jersey
$250K -$5.57K -23 -2%
MAP
1353
Moody Aldrich Partners
Massachusetts
$249K – – –
SPF
1354
South Plains Financial
Texas
$248K +$251K +1,037 New
SB
1355
Sunflower Bank
Texas
$248K -$2.9K -12 -1%
CCMT
1356
CMT Capital Markets Trading
Germany
$247K -$346K -1,429 -58%
CIAM
1357
Caitong International Asset Management
Hong Kong
$247K +$249K +1,028 +51,400%
MIM
1358
Morningstar Investment Management
Illinois
$246K -$2.05M -8,452 -89%
BHWM
1359
Bar Harbor Wealth Management
New Hampshire
$246K +$3.87K +16 +2%
FWA
1360
FSM Wealth Advisors
Ohio
$245K +$248K +1,025 New
OWA
1361
Opal Wealth Advisors
New York
$245K -$3.63K -15 -1%
KWM
1362
Kingsman Wealth Management
Florida
$245K -$83.5K -345 -25%
FWP
1363
FAS Wealth Partners
Kansas
$245K +$726 +3 +0.3%
ACC
1364
Acorn Creek Capital
Colorado
$244K +$5.57K +23 +2%
DE
1365
Diversified Enterprises
Delaware
$244K +$968 +4 +0.4%
APM
1366
a16z Perennial Management
California
$244K +$247K +1,019 New
PTP
1367
Platform Technology Partners
New York
$243K +$726 +3 +0.3%
WWM
1368
Western Wealth Management
Colorado
$243K +$25.4K +105 +12%
BFF
1369
Byrne Financial Freedom
Massachusetts
$243K -$6.78K -28 -3%
GIA
1370
Guyasuta Investment Advisors
Pennsylvania
$243K -$21.1K -87 -8%
ACM
1371
Aster Capital Management
United Arab Emirates
$243K +$245K +1,014 New
FCM
1372
Family Capital Management
Michigan
$242K +$24.7K +102 +11%
GSWM
1373
Golden State Wealth Management
California
$242K +$80.1K +331 +49%
PWP
1374
Principle Wealth Partners
Connecticut
$242K -$24.2K -100 -9%
SSW
1375
Smith Shellnut Wilson
Mississippi
$240K +$243K +1,003 New
53 54
55
56 57

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.