Martin Marietta Materials (MLM)

13F ownership of Martin Marietta Materials among the superinvestors tracked on fructus.finance, based on their latest quarterly SEC filings.

Price history

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Tracked holders
6
Combined value
$1.2B
New buyers this quarter
4

Superinvestors holding MLM

C
Chris Hohn
TCI Fund Management Ltd 路 Q2 2026
$758M
1.44% of portfolio
New buy
T
Thomas Russo
Gardner Russo & Quinn LLC 路 Q2 2026
$407M
4.56% of portfolio (-1.4%)
Trimmed
W
Wallace Weitz
Weitz Investment Management, Inc. 路 Q2 2026
$27M
1.89% of portfolio (+19.1%)
Added to
J
Joel Greenblatt
Gotham Asset Management, LLC 路 Q2 2026
$21M
0.05% of portfolio
New buy
J
Jim Simons
Renaissance Technologies LLC 路 Q2 2026
$18M
0.03% of portfolio
New buy
K
Ken Griffin
Citadel Advisors LLC 路 Q2 2026
$15M
0.00% of portfolio
New buy

Based on 13F filings submitted to the SEC, published with roughly 45 days of lag. Only long equity positions are captured. See our guide on how to read a 13F filing for more context, or browse the full superinvestor consensus.