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Boston Partners

Position in TMUS — T-Mobile US, Inc.

CIK 1386060 BOSTON, MA

Position in TMUS

as of Jun 30, 2026 · filed Aug 4, 2026
Position Value
$393,055,795
-$111,551,779 QoQ
Shares Held
2,343,384
-2.5% QoQ
Ownership
0.218%
of shares outstanding
% of Portfolio
0.35%
of 13F equity value
Holder Rank
#40
of 1,661 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 60% Shared 0% None 40%

Common Shares in TMUS Over Time

Shares Held

Position Value (USD)

Position in Telecom Services

Communication Services · as of Jun 30, 2026

Boston Partners holds $699,883,984 across 6 Telecom Services names. TMUS ranks #1 (56.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TMUS
T-Mobile US, Inc.
This page
2,343,384 $393,055,795

All Filings in TMUS

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $393,055,795 2,343,384
2026-03-31 $504,607,574 2,402,550
2025-12-31 $473,074,264 2,329,956
2025-09-30 $507,156,212 2,118,624
2025-06-30 $366,746,944 1,539,272
2025-03-31 $370,181,476 1,387,955
2024-12-31 $341,948,955 1,549,173
2024-09-30 $381,233,590 1,847,420
2024-06-30 $328,484,261 1,864,481
2024-03-31 $423,937,832 2,597,340
2023-12-31 $411,935,065 2,569,295
2023-09-30 $383,610,112 2,739,094
2023-06-30 $290,559,352 2,091,860
2023-03-31 $372,393,343 2,571,067
2022-12-31 $477,016,540 3,407,261
2022-09-30 $467,814,160 3,486,727
2022-06-30 $510,548,891 3,794,774
2022-03-31 $394,420,831 3,073,010
2021-12-31 $216,128,032 1,863,494
2021-09-30 $217,976,955 1,706,144
2021-06-30 $382,759,184 2,642,817
2021-03-31 $562,775,365 4,491,782
2020-12-31 $481,668,556 3,571,884
2020-09-30 $425,794,642 3,723,283
2020-06-30 $308,986,490 2,966,745