Position in MLM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$53,569,880
+$13,096,980 QoQ
Shares Held
91,000
+40.0% QoQ
Ownership
0.152%
of shares outstanding
% of Portfolio
6.55%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MLM Over Time
Shares Held
Position Value (USD)
Position in Building Materials
Basic Materials · as of Mar 31, 2026One Madison Group LLC holds $55,015,002 across 2 Building Materials names. MLM ranks #1 (97.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MLM |
Martin Marietta Materials Inc
This page
|
91,000 | $53,569,880 | |
| 2 | JHX |
James Hardie Industries plc
|
76,300 | $1,445,122 |
All Filings in MLM
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3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $53,569,880 | 91,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $40,472,900 | 65,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,521,120 | 4,000 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||