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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
TGCMU
301
Titan Global Capital Management USA
New York
$19.8M -$641K -2,600 -3%
CA
302
CSM Advisors
Pennsylvania
$19.8M -$514K -2,085 -3%
HFM
303
Harvest Fund Management
China
$19.8M -$107K -435 -0.6%
SMDAM
304
Sumitomo Mitsui DS Asset Management
Japan
$19.8M +$659K +2,672 +4%
GAM
305
Gotham Asset Management
New York
$19.6M -$1.95M -7,916 -10%
CRB
306
Chad R. Baker
$19.4M – – –
TI
307
Tidal Investments
Wisconsin
$19.4M +$1.91M +7,743 +12%
PFPT
308
Pinnacle Financial Partners (Tennessee)
Tennessee
$19.3M +$84.8K +344 +0.5%
GI
309
GAMCO Investors
Connecticut
$19.2M -$5.11M -20,722 -22%
GLA
310
Great Lakes Advisors
Illinois
$19.1M -$3.66M -14,862 -17%
SCM
311
Sterling Capital Management
North Carolina
$19.1M -$4.74M -19,210 -21%
CIC
312
Carnegie Investment Counsel
Ohio
$19M -$829K -3,364 -4%
Public Employees Retirement Association of Colorado
313
Public Employees Retirement Association of Colorado
Colorado
$18.9M -$52.8K -214 -0.3%
X
314
Xponance
Pennsylvania
$18.9M +$81.1K +329 +0.5%
CNB
315
Camden National Bank
Maine
$18.8M -$1.19M -4,847 -6%
LSV Asset Management
316
LSV Asset Management
Illinois
$18.7M -$2.45M -9,920 -12%
Pathstone Holdings
317
Pathstone Holdings
New Jersey
$18.6M +$82.8K +336 +0.5%
CGH
318
Crossmark Global Holdings
Texas
$18.6M -$1.7M -6,900 -9%
MFS
319
Mirabella Financial Services
United Kingdom
$18.6M +$14.4M +58,511 +534%
GT
320
Glenview Trust
Kentucky
$18.6M +$1.39M +5,639 +9%
SA
321
Sanctuary Advisors
Indiana
$18.5M -$4M -16,241 -19%
SPC
322
Stony Point Capital
New York
$18.3M +$2.51M +10,200 +17%
PFSRSONJ
323
Police & Firemen's Retirement System of New Jersey
New Jersey
$18.3M -$281K -1,138 -2%
BFS
324
Bradley Foster & Sargent
Connecticut
$18.2M -$1.03M -4,191 -6%
YCM
325
Yousif Capital Management
Michigan
$18.1M -$511K -2,075 -3%
11 12
13
14 15

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.