Who owns MARTIN MARIETTA MATERIALS INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MLM from SEC Form 13F filings across 1,071 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 1,071 institutions disclosed 59.2M shares of MARTIN MARIETTA MATERIALS INC worth $34.14B — about 98.6% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
1,071
13F holders
$34.14B
value, 2026 filers
98.6%
of shares outstanding (59.2M sh)
120
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MLM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.7M | $2.71B | 0.0% | 7.8% | +0.1% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 3.9M | $2.27B | 0.0% | 6.5% | +0.3% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.2M | $1.84B | 0.1% | 5.3% | +1.2% |
| 4 | STATE STREET CORP | 3.2M | $1.82B | 0.1% | 5.3% | +9.8% |
| 5 | BANK OF AMERICA CORP /DE/ | 2.4M | $1.41B | 0.1% | 4.1% | +2.0% |
| 6 | FMR LLC | 2.2M | $1.26B | 0.1% | 3.6% | -15.9% |
| 7 | PRINCIPAL FINANCIAL GROUP INC | 2.1M | $1.22B | 0.6% | 3.5% | +1.1% |
| 8 | Aristotle Capital Management, LLC | 1.8M | $1.06B | 2.2% | 3% | -6.3% |
| 9 | VICTORY CAPITAL MANAGEMENT INC | 1.8M | $1.03B | 0.6% | 3% | +8.9% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $919.9M | 0.0% | 2.7% | +0.8% |
| 11 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.6M | $922.3M | 0.1% | 2.7% | +7.4% |
| 12 | JPMORGAN CHASE & CO | 1.5M | $852.6M | 0.0% | 2.4% | -21.1% |
| 13 | TCI FUND MANAGEMENT LTDNEW | 1.3M | $758.4M | 1.4% | 2.2% | new |
| 14 | GOLDMAN SACHS GROUP INC | 1.2M | $670.9M | 0.1% | 1.9% | +31.3% |
| 15 | MORGAN STANLEY | 1.0M | $583.6M | 0.0% | 1.7% | -24.6% |
| 16 | Select Equity Group, L.P. | 1.0M | $583.2M | 2.9% | 1.7% | -2.1% |
| 17 | BAILLIE GIFFORD & CO | 991,786 | $572.0M | 0.5% | 1.7% | -8.8% |
| 18 | GARDNER RUSSO & QUINN LLC | 705,367 | $406.8M | 4.6% | 1.2% | -1.4% |
| 19 | KING LUTHER CAPITAL MANAGEMENT CORP | 653,184 | $376.7M | 1.5% | 1.1% | -2.0% |
| 20 | Invesco Ltd. | 649,575 | $374.6M | 0.0% | 1.1% | -6.0% |
| 21 | T. Rowe Price Investment Management, Inc. | 641,321 | $369.9M | 0.2% | 1.1% | -32.7% |
| 22 | ALKEON CAPITAL MANAGEMENT LLC | 627,351 | $361.8M | 0.5% | 1% | -16.1% |
| 23 | DIMENSIONAL FUND ADVISORS LP | 586,145 | $338.1M | 0.1% | 1% | +7.3% |
| 24 | NORTHERN TRUST CORP | 570,346 | $328.9M | 0.0% | 0.9% | -2.8% |
| 25 | NORGES BANKNEW | 557,143 | $321.3M | 0.0% | 0.9% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.