TMUS — T-MOBILE US INC

Ownership history in RESOURCES MANAGEMENT CORP /CT/ /ADV  ·  21 quarters on record

AI Ownership Summary

RESOURCES MANAGEMENT CORP /CT/ /ADV reported T-MOBILE US INC (TMUS) in 21 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 1.12% in 2025 Q2. The latest visible filing shows TMUS at 0.98% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this TMUS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was RESOURCES MANAGEMENT CORP /CT/ /ADV's position in T-MOBILE US INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

TMUS was reported at 0.98% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.12% in 2025 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

TMUS stock page RESOURCES MANAGEMENT CORP /CT/ /ADV fund profile RESOURCES MANAGEMENT CORP /CT/ /ADV full holdings
How RESOURCES MANAGEMENT CORP /CT/ /ADV held TMUS — position size vs. price
% of Fund (quarterly)    TMUS price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 37,328 +12,979 +53.3% 0.98% $7.6M 2026-02-14 (Est.) $218.45
2025 Q3 REDUCED 24,349 -10,362 -29.9% 0.64% $5.0M 2025-11-14 $213.99
2025 Q2 ADDED 34,711 +6,626 +23.6% 1.12% $8.3M 2025-08-15 $251.28
2025 Q1 ADDED 28,085 +389 +1.4% 1.05% $7.5M 2025-05-16 $238.58
2024 Q4 REDUCED 27,696 -101 -0.4% 0.83% $6.1M 2025-02-14 $265.38
2024 Q3 ADDED 27,797 +732 +2.7% 0.77% $5.7M 2024-11-15 $230.05
2024 Q2 ADDED 27,065 +1,702 +6.7% 0.69% $4.8M 2024-08-14 $191.23
2024 Q1 ADDED 25,363 +25,203 +15751.9% 0.61% $4.1M 2024-05-15 $157.72
2023 Q4 REDUCED 160 -22,935 -99.3% 0.58% $3.9M 2024-02-14 $155.88
12 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding TMUS

As of 2025 Q4 — sorted by position size

SOFTBANK GROUP CORP. 3Y 37.42% Brooklands Fund Management Ltd 12.99% 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% Castlefield Investment Partners LLP 3.46% Ardmore Road Asset Management LP 3Y 3.4%

FAQ About RESOURCES MANAGEMENT CORP /CT/ /ADV and TMUS

These are the practical questions this page is built to answer before you even open the full history table.

How long has RESOURCES MANAGEMENT CORP /CT/ /ADV reported owning TMUS?

RESOURCES MANAGEMENT CORP /CT/ /ADV reported TMUS across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported TMUS position in RESOURCES MANAGEMENT CORP /CT/ /ADV's portfolio?

The largest reported portfolio weight for TMUS was 1.12% in 2025 Q2.

What is the latest reported TMUS position on this page?

The most recent filing on this page is 2025 Q4, when RESOURCES MANAGEMENT CORP /CT/ /ADV reported 37,328 shares, equal to 0.98% of portfolio, with an estimated market value of $7.6M.

What does the chart on this TMUS ownership page compare?

The chart compares RESOURCES MANAGEMENT CORP /CT/ /ADV's quarterly TMUS portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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