Martin Marietta Materials, Inc.

MLM · NYSE · USD
PoliticiansInstitutionalInsiders

Current holders

PoliticianDisclosed
Donald Trump
R · EXECUTIVE
net −$4.9M – −$651K
7 disclosures · 4 bought / 3 sold · last Aug 24, 2026
Ro Khanna
D · HOUSE · CA
−$273K – $595K
−$369K – $833K today
56 filings · last Aug 10, 2026
Thomas R. Suozzi
D · HOUSE · NY
−$20K – $150K
−$34K – $442K today
4 filings · last Nov 7, 2018
K. Michael Conaway
R · HOUSE · TX
$1K – $15K
$4K – $64K today
1 filing · last Feb 9, 2015
Lisa C. McClain
R · HOUSE · MI
−$14K – $14K
−$13K – $13K today
2 filings · last Jun 10, 2025
Val T. Hoyle
D · HOUSE · OR
−$14K – $14K
−$11K – $12K today
2 filings · last Sep 23, 2025
Alan S. Lowenthal
D · HOUSE · CA
−$48K – $15K
−$128K – $33K today
3 filings · last Sep 24, 2018
Michael T. McCaul
R · HOUSE · TX
−$124K – $60K
−$271K – $241K today
8 filings · last Feb 23, 2026

Recent transactions

Trades from Jun 10, 2025 – Aug 24, 2026
PoliticianTypeFiled afterAmount
Donald Trump
R · EXECUTIVE
Sell
45 days
Aug 24, 2026 → Oct 8, 2026
≥$1K
Donald Trump
R · EXECUTIVE
Buy
60 days
Jul 24, 2026 → Sep 22, 2026
≥$1K
April McClain Delaney
D · HOUSE · MD-6
Sell
15 days
Aug 25, 2026 → Sep 9, 2026
≥$250K
April McClain Delaney
D · HOUSE · MD-6
Buy
21 days
Aug 19, 2026 → Sep 9, 2026
≥$1K
Ro Khanna
D · HOUSE · CA-17
Sell
25 days
Aug 10, 2026 → Sep 4, 2026
≥$1K
Ro Khanna
D · HOUSE · CA-17
Buy
32 days
Aug 3, 2026 → Sep 4, 2026
≥$1K
Donald Trump
R · EXECUTIVE
Sell
71 days
Jun 12, 2026 → Aug 22, 2026
≥$15K
April McClain Delaney
D · HOUSE · MD-6
Buy
10 days
Jul 24, 2026 → Aug 3, 2026
≥$15K
April McClain Delaney
D · HOUSE · MD-6
Buy
14 days
Jul 20, 2026 → Aug 3, 2026
≥$1K
April McClain Delaney
D · HOUSE · MD-6
Buy
17 days
Jul 17, 2026 → Aug 3, 2026
≥$1K

Congressional trading data provided by QuiverQuant

Institutional
Investors holding
1,093
13F shares
59.8M
Total invested
$34.4B
Ownership
99.2%
New positions
111
Closed positions
110
Increased positions
476
Reduced positions
394
Put/Call ratio
0.43
HolderReportedSharesValueΔ Qtr
BLACKROCK, INC.8/7/20264.7M$2.7B+0.14%
VANGUARD CAPITAL MANAGEMENT LLC8/13/20263.9M$2.3B+0.31%
VANGUARD PORTFOLIO MANAGEMENT LLC8/13/20263.2M$1.8B+1.17%
STATE STREET CORP9/22/20263.2M$1.8B+9.80%
BANK OF AMERICA CORP /DE/8/14/20262.4M$1.4B+1.96%
FMR LLC8/13/20262.2M$1.3B−15.93%
PRINCIPAL FINANCIAL GROUP INC8/4/20262.1M$1.2B+1.07%
ARISTOTLE CAPITAL MANAGEMENT, LLC8/14/20261.8M$1.1B−6.32%
VICTORY CAPITAL MANAGEMENT INC8/7/20261.8M$1.0B+8.94%
PRICE T ROWE ASSOCIATES INC /MD/8/14/20261.6M$922.3M+7.42%
GEODE CAPITAL MANAGEMENT, LLC8/12/20261.6M$919.9M+0.79%
JPMORGAN CHASE & CO8/12/20261.5M$852.6M−21.14%
TCI FUND MANAGEMENT LTD8/14/20261.3M$758.4M—
GOLDMAN SACHS GROUP INC8/14/20261.2M$670.9M+31.32%
MORGAN STANLEY8/13/20261M$583.6M−24.57%
SELECT EQUITY GROUP, L.P.8/14/20261M$583.2M−2.14%
BAILLIE GIFFORD & CO8/6/2026991.8K$572.0M−8.79%
GARDNER RUSSO & QUINN LLC8/13/2026705.4K$406.8M−1.40%
KING LUTHER CAPITAL MANAGEMENT CORP8/10/2026653.2K$376.7M−2.03%
INVESCO LTD.8/14/2026649.6K$374.6M−5.98%
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.8/14/2026641.3K$369.9M−32.66%
ALKEON CAPITAL MANAGEMENT LLC8/14/2026627.4K$361.8M−16.06%
DIMENSIONAL FUND ADVISORS LP8/11/2026586.1K$338.1M+7.32%
NORTHERN TRUST CORP8/13/2026570.3K$328.9M−2.75%
NORGES BANK8/12/2026557.1K$321.3M—

Insider transactions

InsiderTypeTransactedPriceDate
Petro Michael JA-AWARD9.3K—Sep 1
Lyons Martin JA-AWARD68$518.70Aug 31
Pike ThomasA-AWARD66$518.70Aug 31
Wajsgras David CA-AWARD78$518.70Aug 31
Niemann Philipp0—Aug 21
Lna Holding Srl0—Aug 21
Niemann PhilippA-AWARD337—Aug 21
Petro Michael JF-INKIND368$542.27Aug 3