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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in TMUS — T-Mobile US, Inc.

CIK 912938 Boston, MA

Position in TMUS

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$109,913,528
+$64,667,486 QoQ
Shares Held
523,323
+134.8% QoQ
Ownership
0.048%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 99.6359800734919.ToString("F0")% Shared 0.364019926508103.ToString("F0")% None 0.ToString("F0")%

Common Shares in TMUS Over Time

Shares Held

Position Value (USD)

Position in Telecom Services

Communication Services · as of Mar 31, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $556,984,298 across 10 Telecom Services names. TMUS ranks #2 (19.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 TMUS
T-Mobile US, Inc.
This page
523,323 $109,913,528

All Filings in TMUS

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $109,913,528 523,323
2025-12-31 $45,246,042 222,843
2025-09-30 $46,825,839 195,613
2025-06-30 $77,393,755 324,829
2025-03-31 $275,257,785 1,032,049
2024-12-31 $351,855,094 1,594,052
2024-09-30 $412,250,115 1,997,723
2024-06-30 $409,449,364 2,324,040
2024-03-31 $386,112,250 2,365,594
2023-12-31 $395,613,469 2,467,495
2023-09-30 $339,325,600 2,422,889
2023-06-30 $350,826,394 2,525,748
2023-03-31 $381,638,767 2,634,899
2022-12-31 $387,397,640 2,767,126
2022-09-30 $427,493,658 3,186,209
2022-06-30 $450,378,027 3,347,540
2022-03-31 $430,152,186 3,351,400
2021-12-31 $421,738,766 3,636,306
2021-09-30 $449,864,930 3,521,172
2021-06-30 $510,845,530 3,527,208
2021-03-31 $408,417,581 3,259,778
2020-12-31 $370,793,535 2,749,674
2020-09-30 $284,286,491 2,485,891
2020-06-30 $227,598,784 2,185,298
2020-03-31 $611,295 7,286