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T-Mobile US
TMUS

1,766 hedge funds and large institutions have $128B invested in T-Mobile US in 2025 Q1 according to their latest regulatory filings, with 246 funds opening new positions, 634 increasing their positions, 682 reducing their positions, and 112 closing their positions.

New
Increased
Maintained
Reduced
Closed

120% more first-time investments, than exits

New positions opened: 246 | Existing positions closed: 112

65% more funds holding in top 10

Funds holding in top 10: 31 → 51 (+20)

17% more capital invested

Capital invested by funds: $109B → $128B (+$18.9B)

6% more funds holding

Funds holding: 1,663 → 1,766 (+103)

0.28% less ownership

Funds ownership: 42.32% → 42.04% (-0.28%)

7% less repeat investments, than reductions

Existing positions increased: 634 | Existing positions reduced: 682

20% less call options, than puts

Call options by funds: $2.16B | Put options by funds: $2.68B

Holders
1,766
Holders Change
+103
Holders Change %
+6.19%
% of All Funds
23.68%
Holding in Top 10
51
Holding in Top 10 Change
+20
Holding in Top 10 Change %
+64.52%
% of All Funds
0.68%
New
246
Increased
634
Reduced
682
Closed
112
Calls
$2.16B
Puts
$2.68B
Net Calls
-$523M
Net Calls Change
+$202M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$719M
2
JP Morgan Chase
JP Morgan Chase
New York
+$298M
3
Capital International Investors
Capital International Investors
California
+$294M
4
Viking Global Investors
Viking Global Investors
Connecticut
+$236M
5
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board
Ontario, Canada
+$213M

Top Sellers

1
Dodge & Cox
Dodge & Cox
California
-$875M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$619M
3
Norges Bank
Norges Bank
Norway
-$455M
4
BlackRock
BlackRock
New York
-$308M
5
Invesco
Invesco
Georgia
-$286M
Name Holding Trade Value Shares
Change 		Change in
Stake
QIM
1776
Quantitative Investment Management
Virginia
– -$4.87M -22,043 Closed
DRP
1777
Decker Retirement Planning
Utah
– -$4.36M -19,746 Closed
GQG Partners
1778
GQG Partners
Florida
– -$4.09M -18,533 Closed
CPCPP
1779
Canada Post Corporation Pension Plan
Canada
– -$3.84M -17,379 Closed
FHB
1780
First Hawaiian Bank
Hawaii
– -$3.41M -15,462 Closed
NWM
1781
Napa Wealth Management
California
– -$2.88M -13,031 Closed
IMC Chicago
1782
IMC Chicago
Illinois
– -$3.17M -12,853 Closed
BGDI
1783
BW Gestao de Investimentos
Brazil
– -$2.49M -11,278 Closed
CFGS
1784
Concourse Financial Group Securities
Alabama
– -$2.41M -11,068 Closed
DF
1785
Donoghue Forlines
Massachusetts
– -$2.01M -9,119 Closed
AIMCA
1786
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
– -$1.83M -8,300 Closed
IEFM
1787
IQ EQ Fund Management
Ireland
– -$1.67M -7,569 Closed
MIM
1788
Morningstar Investment Management
Illinois
– -$1.58M -7,165 Closed
AC
1789
AXQ Capital
New Jersey
– -$1.35M -6,118 Closed
WAM
1790
Worth Asset Management
Texas
– -$1.34M -6,068 Closed
HS
1791
HighVista Strategies
Massachusetts
– -$1.28M -5,800 Closed
KC
1792
Kize Capital
New York
– -$1.26M -5,691 Closed
GJCM
1793
Grand Jean Capital Management
California
– -$1.14M -5,153 Closed
OF
1794
Optimize Financial
California
– -$1.12M -5,053 Closed
MIA
1795
MMBG Investment Advisors
Florida
– -$1.08M -4,895 Closed
SW
1796
SVB Wealth
Massachusetts
– -$1.06M -4,803 Closed
LCM
1797
Landscape Capital Management
New Jersey
– -$1M -4,531 Closed
WP
1798
Woodline Partners
California
– -$973K -4,410 Closed
TSS
1799
Two Sigma Securities
New York
– -$935K -4,238 Closed
LWMM
1800
Legacy Wealth Management (Mississippi)
Mississippi
– -$855K -3,873 Closed
70 71
72
73 74

TMUS Hedge Fund Activity: Q1 2025 in Review

1,766 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in T-Mobile US (TMUS) for Q1 2025, worth a combined $128B — up 17% from $109B a quarter earlier.

Buyers outnumbered sellers: 246 funds opened new TMUS positions and 112 closed out — a net gain of 134 holders — while 634 added to existing stakes and 682 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $719M. The largest seller was Dodge & Cox, cutting an estimated $875M.

  • 1,766 institutional investors held T-Mobile US (TMUS) as of Q1 2025, up from 1,663 in Q4 2024.
  • Funds reported $128B of T-Mobile US stock for Q1 2025, up 17% quarter-over-quarter.
  • 246 funds opened new T-Mobile US positions in Q1 2025 and 112 closed out, a net change of +134 holders.
  • The largest T-Mobile US buyer in Q1 2025 was Fidelity Investments, an estimated $719M added.
  • The largest T-Mobile US seller in Q1 2025 was Dodge & Cox, an estimated $875M sold.

Based on aggregated 13F filings for Q1 2025.