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PRIMECAP MANAGEMENT CO/CA/

Position in TMUS — T-Mobile US, Inc.

CIK 763212 PASADENA, CA

Position in TMUS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$73,313,105
-$18,562,208 QoQ
Shares Held
437,090
-0.1% QoQ
Ownership
0.041%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#116
of 1,658 holders
Holding Since
Mar 2020
26 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 Jun 30, 2026

PRIMECAP MANAGEMENT CO/CA/ holds $74,412,945 across 2 Telecom Services names. TMUS ranks #1 (98.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TMUS
T-Mobile US, Inc.
This page
437,090 $73,313,105

All Filings in TMUS

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $73,313,105 437,090
2026-03-31 $91,875,313 437,439
2025-12-31 $89,024,715 438,459
2025-09-30 $125,315,190 523,499
2025-06-30 $130,077,808 545,949
2025-03-31 $144,292,510 541,009
2024-12-31 $148,943,968 674,779
2024-09-30 $143,306,495 694,449
2024-06-30 $124,330,049 705,699
2024-03-31 $115,853,392 709,799
2023-12-31 $114,289,476 712,839
2023-09-30 $100,306,470 716,219
2023-06-30 $104,594,339 753,019
2023-03-31 $135,029,841 932,269
2022-12-31 $145,244,260 1,037,459
2022-09-30 $144,273,806 1,075,306
2022-06-30 $145,281,135 1,079,836
2022-03-31 $140,097,362 1,091,526
2021-12-31 $127,607,690 1,100,256
2021-09-30 $147,801,200 1,156,866
2021-06-30 $211,876,296 1,462,931
2021-03-31 $204,028,375 1,628,449
2020-12-31 $271,262,372 2,011,586
2020-09-30 $251,535,506 2,199,506
2020-06-30 $302,753,843 2,906,902
2020-03-31 $37,503,300 447,000