MARTIN MARIETTA MATERIALS INC

MLMNYSE

$482.27+3.10 (+0.65%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

MARTIN MARIETTA MATERIALS INC price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-23.2%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	7.81%	$2.71B	0.04%	Not reported
Vanguard Capital Management LLC	6.54%	$2.27B	0.05%	Not reported
Vanguard Portfolio Management LLC	5.32%	$1.84B	0.08%	Not reported
State Street Corp	5.26%	$1.82B	0.05%	Not reported
Bank of America Corp	4.07%	$1.41B	0.09%	Not reported
FMR LLC	3.65%	$1.26B	0.05%	Not reported
Principal Financial Group Inc	3.52%	$1.22B	0.60%	Not reported
Aristotle Capital Management, LLC	3.05%	$1.06B	2.22%	Reduce 6.32%
Victory Capital Management Inc	2.97%	$1.03B	0.58%	Not reported
Geode Capital Management, LLC	2.67%	$920M	0.05%	Not reported
JPMorgan Chase & Co	2.44%	$853M	0.05%	Not reported
Tci Fund Management Ltd	2.19%	$758M	1.44%	New Not reported
Goldman Sachs Group Inc	1.94%	$671M	0.06%	Not reported
Morgan Stanley	1.69%	$584M	0.03%	Not reported
Select Equity Group, L.P.	1.68%	$583M	2.88%	Reduce 2.14%
Baillie Gifford & Co	1.65%	$572M	0.52%	Reduce 8.79%
Gardner Russo & Quinn LLC	1.17%	$407M	4.56%	Reduce 1.40%
King Luther Capital Management Corp	1.09%	$377M	1.54%	Reduce 2.03%
Invesco Ltd.	1.08%	$375M	0.03%	Not reported
T. Rowe Price Investment Management, Inc.	1.07%	$370M	0.24%	Reduce 32.66%
Alkeon Capital Management LLC	1.04%	$362M	0.49%	Reduce 16.06%
Dimensional Fund Advisors LP	0.98%	$338M	0.06%	Not reported
Northern Trust Corp	0.95%	$329M	0.04%	Not reported
Norges Bank	0.93%	$321M	0.03%	Not reported
Charles Schwab Investment Management Inc	0.82%	$284M	0.04%	Not reported
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0.81%	$280M	0.33%	Not reported
UBS Group AG	0.65%	$225M	0.03%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.64%	$223M	0.04%	Not reported
Bank of New York Mellon Corp	0.58%	$199M	0.03%	Not reported
D1 Capital Partners L.P.	0.57%	$199M	0.57%	Add 6.88%
Vanguard Fiduciary Trust Co	0.56%	$195M	0.04%	Not reported
DAVENPORT & Co LLC	0.56%	$195M	0.96%	Reduce 1.57%
Wells Fargo & Company	0.46%	$161M	0.03%	Not reported
Amundi	0.44%	$152M	0.04%	Not reported
Skye Global Management LP	0.42%	$145M	2.83%	Reduce 5.97%
Legal & General Group Plc	0.42%	$144M	0.03%	Not reported
Mawer Investment Management Ltd.	0.40%	$139M	0.95%	Reduce 5.53%
Hawk Ridge Capital Management LP	0.40%	$138M	4.41%	Add 48.66%
Great Lakes Advisors, LLC	0.38%	$131M	0.99%	Add 4.32%
Deutsche Bank Ag\	0.38%	$130M	0.04%	Not reported
Raymond James Financial Inc	0.37%	$128M	0.03%	Not reported
Douglass Winthrop Advisors, LLC	0.36%	$125M	2.16%	Not reported
59 North Capital Management, LP	0.36%	$123M	2.75%	New Not reported
Diamond Hill Capital Management, LLC (Investment Advisor)	0.36%	$123M	0.99%	Reduce 26.02%
Findlay Park Partners LLP	0.35%	$120M	1.61%	Add 6.67%
Clearbridge Investments, LLC	0.32%	$110M	0.09%	Not reported
London Co of Virginia	0.31%	$108M	0.62%	Reduce 1.36%
William Blair Investment Management, LLC	0.30%	$105M	0.32%	Reduce 33.22%
DekaBank Deutsche Girozentrale	0.30%	$102M	0.17%	Not reported
Nuveen, LLC	0.29%	$100M	0.02%	Not reported

50 of 1,015 holders

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