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Calamos Advisors LLC

Position in TMUS — T-Mobile US, Inc.

CIK 1316507 NAPERVILLE, IL

Position in TMUS

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$21,033,509
-$25,616,254 QoQ
Shares Held
125,401
-43.5% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#237
of 1,625 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TMUS Over Time

Shares Held

Position Value (USD)

Derivatives in TMUS

reported options exposure · as of Jun 30, 2026
CallValue
$234,822
CallShares
1,400
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Telecom Services

Communication Services · as of Jun 30, 2026

Calamos Advisors LLC holds $107,807,156 across 7 Telecom Services names. TMUS ranks #3 (19.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 TMUS
T-Mobile US, Inc.
This page
125,401 $21,033,509

All Filings in TMUS

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $21,033,509 125,401
2026-06-30 $234,822 1,400
2026-03-31 $336,048 1,600
2026-03-31 $46,649,763 222,110
2025-12-31 $426,384 2,100
2025-12-31 $45,689,279 225,026
2025-09-30 $478,760 2,000
2025-09-30 $61,474,459 256,807
2025-06-30 $61,117,740 256,517
2025-06-30 $476,520 2,000
2025-03-31 $266,710 1,000
2025-03-31 $83,305,534 312,345
2024-12-31 $68,455,877 310,134
2024-09-30 $65,857,111 319,137
2024-06-30 $60,589,711 343,908
2024-03-31 $59,048,099 361,770
2023-12-31 $60,867,681 379,640
2023-09-30 $53,381,177 381,158
2023-06-30 $49,987,887 359,884
2023-03-31 $31,869,434 220,032
2022-12-31 $33,302,080 237,872
2022-09-30 $9,443,689 70,386
2022-06-30 $5,062,202 37,626
2022-03-31 $283,268 2,207
2021-12-31 $207,372 1,788
2021-09-30 $247,726 1,939