Question 1

Who owns MLM?

Accepted Answer

MARTIN MARIETTA MATLS INC (MLM) is held by 293 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Question 2

Are institutions buying or selling MLM?

Accepted Answer

In Q1 2026, 149 institutions opened or increased positions in MARTIN MARIETTA MATLS INC while 154 reduced or exited — a net selling quarter.

Question 3

What is the Smart Money Verdict on MLM?

Accepted Answer

HoldingsIntel scores MARTIN MARIETTA MATLS INC across four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) — with 4 of the 4 carrying data for MLM. In Q1 2026, the institutional leg showed net outflows: 149 buying versus 154 selling.

Question 4

How many hedge funds hold MLM?

Accepted Answer

293 institutional investors report holding MARTIN MARIETTA MATLS INC (MLM) as of Q1 2026, based on SEC 13F filings.

Question 5

Is institutional money flowing into MLM?

Accepted Answer

As of Q1 2026, tracked institutions in MARTIN MARIETTA MATLS INC show 149 buyers versus 154 sellers — net outflows.

Question 6

Are Congress members and hedge funds both buying MLM?

Accepted Answer

Yes — in the latest quarter, 5 members of Congress and 149 institutional investors bought MARTIN MARIETTA MATLS INC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	4.7M(+4.5%)	$2.8B	0.0%	+8.82%	33
VAVANGUARD CAPITAL MANAGEMENT LLC	New	3.9M	$2.3B	0.1%	-12.04%	44
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	3.2M	$1.9B	0.1%	-12.04%	44
STATE STREET CORP	Increased	2.9M(+3.8%)	$1.7B	0.1%	+13.87%	33
FMR LLC	Decreased	2.6M(-10.7%)	$1.5B	0.1%	+10.98%	0
BANK OF AMERICA CORP /DE/	Increased	2.4M(+0.9%)	$1.4B	0.1%	+10.17%	38
PRINCIPAL FINANCIAL GROUP INC	Decreased	2.1M(-3.5%)	$1.2B	0.7%	+45.32%	0
Aristotle Capital Management, LLC	Decreased	2M(-4.6%)	$1.2B	2.4%	+173.61%	0
JPMORGAN CHASE & CO	Decreased	1.9M(-16.6%)	$1.1B	0.1%	+12.48%	0
VICTORY CAPITAL MANAGEMENT INC	Decreased	1.6M(-33.1%)	$963.8M	0.6%	+0.69%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.6M(+2.3%)	$931.8M	0.1%	+100.21%	33
PRICE T ROWE ASSOCIATES INC /MD/	Increased	1.5M(+391.3%)	$876.5M	0.1%	-10.35%	61
MORGAN STANLEY	Decreased	1.3M(-1.9%)	$789.8M	0.0%	+6.14%	0
BAILLIE GIFFORD & CO	Decreased	1.1M(-6.2%)	$640.1M	0.7%	+122.38%	0
Select Equity Group, L.P.	Decreased	1M(-3.2%)	$608.4M	3.1%	+154.90%	0
GOLDMAN SACHS GROUP INC	Increased	885,855(+12.2%)	$521.5M	0.1%	+8.51%	35
ALKEON CAPITAL MANAGEMENT LLC	Unchanged	747,351	$440M	0.7%	+32.03%	0
GRGARDNER RUSSO & QUINN LLC	Decreased	715,411(-1.5%)	$421.1M	5.0%	+164.80%	0
Invesco Ltd.	Decreased	690,913(-10.3%)	$406.7M	0.1%	+31.56%	0
KLKING LUTHER CAPITAL MANAGEMENT CORP	Decreased	666,722(-3.4%)	$392.5M	1.7%	+177.98%	0

MARTIN MARIETTA MATLS INC

Smart Money Verdict

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MARTIN MARIETTA MATLS INC

Smart Money Verdict

Who's Trading

Top Holders

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Other Basic Materials stocks held by institutions