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VIKING GLOBAL INVESTORS LP

Position in TMUS — T-Mobile US, Inc.

CIK 1103804 STAMFORD, CT

Position in TMUS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$623,237,561
-$139,018,861 QoQ
Shares Held
2,967,374
-21.0% QoQ
Ownership
0.277%
of shares outstanding
% of Portfolio
1.76%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TMUS Over Time

Shares Held

Position Value (USD)

Position in Telecom Services

Communication Services · as of Mar 31, 2026

VIKING GLOBAL INVESTORS LP holds $623,237,561 across 1 Telecom Services name. TMUS ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TMUS
T-Mobile US, Inc.
This page
2,967,374 $623,237,561

All Filings in TMUS

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21 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $623,237,561 2,967,374
2025-12-31 $762,256,422 3,754,218
2025-09-30 $780,969,111 3,262,466
2025-06-30 $677,924,990 2,845,316
2025-03-31 $417,639,588 1,565,894
2024-12-31 $134,734,474 610,404
2024-09-30 $237,466,293 1,150,738
2024-06-30 $439,181,856 2,492,802
2024-03-31 $715,115,296 4,381,297
2023-12-31 $242,098,139 1,509,999
2022-09-30 $446,062,387 3,324,606
2022-06-30 $1,233,784,674 9,170,393
2022-03-31 $1,722,222,761 13,418,175
2021-12-31 $1,524,938,326 13,148,287
2021-09-30 $1,306,369,635 10,225,185
2021-06-30 $1,092,335,232 7,542,189
2021-03-31 $1,288,638,220 10,285,244
2020-12-31 $1,173,934,112 8,705,481
2020-09-30 $922,898,808 8,070,119
2020-06-30 $395,723,132 3,799,550
2020-03-31 $105,200,532 1,253,880