Position in MLM
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$2,706,133,598
-$52,277,824 QoQ
Shares Held
4,692,446
+0.1% QoQ
Ownership
7.81%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#1
of 1,072 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 92%
Shared 0%
None 8%
Common Shares in MLM Over Time
Shares Held
Position Value (USD)
Position in Building Materials
Basic Materials · as of Jun 30, 2026BlackRock, Inc. holds $14,021,634,143 across 14 Building Materials names. MLM ranks #3 (19.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CRH |
Crh Public Ltd Co
|
53,986,446 | $5,776,549,722 | |
| 2 | VMC |
Vulcan Materials CO
|
9,723,208 | $2,868,443,580 | |
| 3 | MLM |
Martin Marietta Materials Inc
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|
4,692,446 | $2,706,133,598 | |
| 4 | AMRZ |
Amrize Ltd
|
16,164,491 | $861,567,364 | |
| 5 | EXP |
Eagle Materials Inc
|
3,059,938 | $688,486,050 | |
| 6 | KNF |
Knife River Corp
|
7,290,232 | $609,827,899 | |
| 7 | USLM |
United States Lime & Minerals Inc
|
1,666,090 | $174,389,631 | |
| 8 | JHX |
James Hardie Industries plc
|
4,838,555 | $126,673,365 |
All Filings in MLM
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,706,133,598 | 4,692,446 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $2,758,411,422 | 4,685,757 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $2,793,393,471 | 4,486,226 | Shares | Other | 2026-02-12 | |
| 2025-09-30 | $2,616,927,593 | 4,152,008 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,320,897,470 | 4,227,808 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $2,061,741,014 | 4,312,093 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $2,200,168,618 | 4,259,765 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $2,183,212,503 | 4,056,131 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||