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STATE OF WISCONSIN INVESTMENT BOARD

Position in MLM — Martin Marietta Materials Inc

CIK 854157 MADISON, WI

Position in MLM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$18,530,524
-$480,896 QoQ
Shares Held
32,132
-0.5% QoQ
Ownership
0.053%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#146
of 1,072 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MLM Over Time

Shares Held

Position Value (USD)

Position in Building Materials

Basic Materials · as of Jun 30, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $101,311,987 across 6 Building Materials names. MLM ranks #3 (18.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MLM
Martin Marietta Materials Inc
This page
32,132 $18,530,524

All Filings in MLM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,530,524 32,132
2026-03-31 $19,011,420 32,295
2025-12-31 $19,455,634 31,246
2025-09-30 $20,010,129 31,748
2025-06-30 $17,804,968 32,434
2025-03-31 $24,091,058 50,386
2024-12-31 $22,608,754 43,773
2024-09-30 $28,320,023 52,615
2024-06-30 $28,377,316 52,376
2024-03-31 $31,901,550 51,962
2023-12-31 $19,771,304 39,629
2023-09-30 $17,449,504 42,510
2023-06-30 $16,486,488 35,709
2023-03-31 $11,788,702 33,202
2022-12-31 $8,162,989 24,153
2022-09-30 $6,154,495 19,108
2022-06-30 $8,208,153 27,430
2022-03-31 $11,152,957 28,977
2021-12-31 $12,946,882 29,390
2021-09-30 $10,221,357 29,915
2021-06-30 $9,799,315 27,854
2021-03-31 $9,696,466 28,874
2020-12-31 $8,473,948 29,841
2020-09-30 $7,717,689 32,791
2020-06-30 $7,411,938 35,881
2020-03-31 $6,988,453 36,931