Skip to main content

Costello Asset Management, INC

Position in TMUS — T-Mobile US, Inc.

CIK 1760145 FEASTERVILLE, PA

Position in TMUS

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$183,328
+$26,016 QoQ
Shares Held
1,093
+45.9% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#1,335
of 1,657 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in TMUS Over Time

Shares Held

Position Value (USD)

Position in Telecom Services

Communication Services · as of Jun 30, 2026

Costello Asset Management, INC holds $2,369,168 across 7 Telecom Services names. TMUS ranks #3 (7.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 TMUS
T-Mobile US, Inc.
This page
1,093 $183,328

All Filings in TMUS

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $183,328 1,093
2026-03-31 $157,312 749
2025-12-31 $136,239 671
2025-09-30 $163,975 685
2025-06-30 $167,258 702
2025-03-31 $187,230 702