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Stockbridge Partners LLC

Position in MLM — Martin Marietta Materials Inc

CIK 1505183 Boston, MA

Position in MLM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$24,480,915
+$5,517,767 QoQ
Shares Held
42,450
+31.8% QoQ
Ownership
0.071%
of shares outstanding
% of Portfolio
0.52%
of 13F equity value
Holder Rank
#129
of 1,074 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MLM Over Time

Shares Held

Position Value (USD)

Position in Building Materials

Basic Materials · as of Jun 30, 2026

Stockbridge Partners LLC holds $338,950,659 across 2 Building Materials names. MLM ranks #2 (7.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MLM
Martin Marietta Materials Inc
This page
42,450 $24,480,915

All Filings in MLM

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $24,480,915 42,450
2026-03-31 $18,963,148 32,213