Position in MLM
as of Mar 31, 2026
· filed May 5, 2026
Position Value
$208,491,616
+$62,584,323 QoQ
Shares Held
354,168
+51.1% QoQ
Ownership
0.590%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 69.30806848727158.ToString("F0")%
Shared 0.ToString("F0")%
None 30.69193151272842.ToString("F0")%
Common Shares in MLM Over Time
Shares Held
Position Value (USD)
Derivatives in MLM
reported options exposure · as of Mar 31, 2026CallValue
$883,020
CallShares
1,500
PutValue
$353,208
PutShares
600
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Building Materials
Basic Materials · as of Mar 31, 2026UBS Group AG holds $1,660,851,433 across 17 Building Materials names. MLM ranks #3 (12.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMRZ |
Amrize Ltd
|
10,929,766 | $612,285,488 | |
| 2 | CRH |
Crh Public Ltd Co
|
3,944,361 | $414,631,224 | |
| 3 | MLM |
Martin Marietta Materials Inc
This page
|
354,168 | $208,491,616 | |
| 4 | KNF |
Knife River Corp
|
2,341,397 | $191,175,063 | |
| 5 | VMC |
Vulcan Materials CO
|
450,260 | $122,605,794 | |
| 6 | JHX |
James Hardie Industries plc
|
2,441,921 | $46,249,982 | |
| 7 | CX |
Cemex Sab De CV
|
2,101,282 | $24,038,663 | |
| 8 | EXP |
Eagle Materials Inc
|
91,729 | $17,378,057 |
All Filings in MLM
Export CSV
39 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $353,208 | 600 | Put | Defined | 2026-05-05 | |
| 2026-03-31 | $883,020 | 1,500 | Call | Defined | 2026-05-05 | |
| 2026-03-31 | $208,491,616 | 354,168 | Shares | Defined | 2026-05-05 | |
| 2025-12-31 | $373,596 | 600 | Put | Defined | 2026-01-29 | |
| 2025-12-31 | $145,907,293 | 234,329 | Shares | Defined | 2026-01-29 | |
| 2025-12-31 | $933,990 | 1,500 | Call | Defined | 2026-01-29 | |
| 2025-09-30 | $1,890,840 | 3,000 | Call | Defined | 2025-11-13 | |
| 2025-09-30 | $209,816,427 | 332,894 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $2,031,152 | 3,700 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $199,769,286 | 363,905 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $204,403,441 | 427,506 | Shares | Defined | 2025-05-13 | |
| 2025-03-31 | $765,008 | 1,600 | Call | Defined | 2025-05-13 | |
| 2025-03-31 | $525,943 | 1,100 | Put | Defined | 2025-05-13 | |
| 2024-12-31 | $309,900 | 600 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $200,156,145 | 387,524 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $309,900 | 600 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $88,586,259 | 164,582 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $142,100,052 | 262,274 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $105,309,127 | 171,530 | Shares | Defined | 2024-05-13 | |
| 2024-03-31 | $2,455,760 | 4,000 | Put | Defined | 2024-05-13 | |
| 2023-12-31 | $63,582,085 | 127,442 | Shares | Defined | 2024-02-09 | |
| 2023-09-30 | $54,952,188 | 133,873 | Shares | Defined | 2023-11-09 | |
| 2023-06-30 | $64,424,682 | 139,541 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $39,414,499 | 111,008 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $39,808,132 | 117,786 | Shares | Defined | 2023-02-08 | |
| 2022-09-30 | $27,892,026 | 86,597 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $28,247,056 | 94,396 | Shares | Defined | 2022-08-10 | |
| 2022-03-31 | $37,831,991 | 98,293 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $49,666,866 | 112,746 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $36,729,231 | 107,496 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $36,690,616 | 104,291 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $30,829,282 | 91,803 | Shares | Defined | 2021-05-12 | |
| 2020-12-31 | $908,704 | 3,200 | Put | Defined | 2021-02-11 | |
| 2020-12-31 | $66,295,350 | 233,459 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $10,785,606 | 45,826 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $9,378,278 | 45,400 | Call | Defined | 2020-07-31 | |
| 2020-06-30 | $9,993,441 | 48,378 | Shares | Defined | 2020-07-31 | |
| 2020-03-31 | $27,021,096 | 142,795 | Shares | Defined | 2020-05-01 | |
| 2020-03-31 | $3,992,753 | 21,100 | Call | Defined | 2020-05-01 | |
| No filing history on record for this holder in this stock. | ||||||