TMUS — T-MOBILE US INC

Ownership history in Cornerstone Advisory, LLC  ·  4 quarters on record

This page tracks every 13F SEC filing in which Cornerstone Advisory, LLC reported a position in T-MOBILE US INC (TMUS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.03% (2024 Q4)
Avg. % of fund
0.02%
First filed
2021 Q4
Last filed
2025 Q3
Quarters held
4
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 854 +18 +2.2% 0.02% $205K $237.06
2025 Q1 ADDED 836 +19 +2.3% 0.02% $212K $262.23
2024 Q4 ADDED 817 +89 +12.2% 0.03% $221K $216.30
2021 Q4 INITIATED 728 — — 0.01% $84K $111.51
% of Fund (quarterly)    TMUS price (monthly, adj. close)

Other funds also holding TMUS

As of 2025 Q4 — sorted by position size

Crake Asset Management LLP 3Y 6.94% Copos Capital S.a r.l. 6.2% Act Two Investors LLC 3Y 7Y 5.74% 140 Summer Partners LP 3Y 5.71% Sustainable Insight Capital Management, LLC 3Y 7Y 4.71% ACCOUNT MANAGEMENT LLC 3Y 7Y 3.5% Ardmore Road Asset Management LP 3Y 3.4% Overbrook Management Corp 3Y 7Y 3.36% SEVEN GRAND MANAGERS, LLC 3Y 3.09% HOERTKORN RICHARD CHARLES 3Y 7Y 2.76%
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