Roxbury Financial LLC MLM β€” MARTIN MARIETTA MATERIALS INC

Ownership history in Roxbury Financial LLC  Β·  6 quarters on record

AI Ownership Summary

Roxbury Financial LLC reported MARTIN MARIETTA MATERIALS INC (MLM) in 6 quarterly 13F filings from 2025 Q1 through 2026 Q2. Peak portfolio weight reached 0.08% in 2025 Q3. The latest visible filing shows MLM at 0.04% 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.

What this MLM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Roxbury Financial LLC's position in MARTIN MARIETTA MATERIALS 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
2026 Q2

MLM was reported at 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.08% in 2025 Q3

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

Time in book
Holding Window
2025 Q1 to 2026 Q2

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.

MLM stock page Roxbury Financial LLC fund profile Roxbury Financial LLC full holdings
How Roxbury Financial LLC held MLM β€” position size vs. price
% of Fund (quarterly)    MLM price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
πŸ“‹ Quarterly Holdings History 6 quarters  β–Ύ
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED β€” β€” β€” 92 -40 -30.3% 0.04% $53K 2026-07-01 $579.24
2026 Q1 UNCHANGED β€” β€” β€” 132 β€” 0% 0.07% $78K 2026-04-17 $621.13
2025 Q4 UNCHANGED β€” β€” β€” 132 β€” 0% 0.07% $82K 2026-01-05 $640.30
2025 Q3 ADDED β€” β€” β€” 132 +1 +0.8% 0.08% $83K 2025-10-01 $617.59
2025 Q2 REDUCED β€” β€” β€” 131 -5 -3.7% 0.07% $72K 2025-07-07 $553.33
2025 Q1 INITIATED β€” β€” β€” 136 β€” β€” 0.06% $66K 2025-04-09 $478.38

🏒 Other funds also holding MLM

As of 2026 Q2 β€” sorted by position size

CONFLUENCE INVESTMENT MANAGEMENT LLC 3Y 7Y 0.47% Miller Global Investments, LLC 0.01% EASTERN BANK 3Y 7Y 0.0%

FAQ About Roxbury Financial LLC and MLM

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

How long has Roxbury Financial LLC reported owning MLM?

Roxbury Financial LLC reported MLM across 6 quarterly 13F filings, from 2025 Q1 through 2026 Q2.

What was the largest reported MLM position in Roxbury Financial LLC's portfolio?

The largest reported portfolio weight for MLM was 0.08% in 2025 Q3.

What is the latest reported MLM position on this page?

The most recent filing on this page is 2026 Q2, when Roxbury Financial LLC reported 92 shares, equal to 0.04% of portfolio, with an estimated market value of $53K.

What does the chart on this MLM ownership page compare?

The chart compares Roxbury Financial LLC's quarterly MLM 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.

How well did Roxbury Financial LLC time their MLM position?

Based on 13F filing dates vs. subsequent MLM price moves, Roxbury Financial LLC correctly timed 2 out of 3 reported position changes (67%). The annualised alpha on MLM relative to SPY over the holding period was -10.3%.

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