MLM
Martin Marietta Materials, Inc. · Basic Materials · Construction Materials
Momentum inputs (comparable managers):
holder breadth -26.7% ·
share flow -4.0% ·
net new positions -20.0%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 161 | +6 | 43.53M | $25.10B | +10 | −3 |
| Q1 2026 | 157 | -3 | 42.60M | $25.03B | +4 | −8 |
| Q4 2025 | 159 | -2 | 46.56M | $28.99B | +1 | −2 |
| Q3 2025 | 20 | +2 | 28.47M | $17.94B | +3 | −2 |
| Q2 2025 | 16 | -2 | 21.07M | $11.56B | — | −2 |
| Q1 2025 | 15 | +4 | 6.81M | $3.25B | +4 | — |
| Q4 2024 | 11 | -4 | 7.91M | $4.08B | — | −4 |
| Q3 2024 | 14 | +1 | 5.54M | $2.98B | +1 | — |
| Q2 2024 | 13 | — | 6.07M | $3.29B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 2.69M | — | $1.39B | 0.1% | n/c | 1 | SEC ↗ |
| 2 | Baillie Gifford ✦ | 1.91M | -9.8% | $987.20M | 0.8% | ▼ Trim | 3 | SEC ↗ |
| 3 | Baillie Gifford ✦ | 1.91M | -9.8% | $987.20M | 0.8% | ▼ Trim | 3 | SEC ↗ |
| 4 | Baillie Gifford ✦ | 1.91M | -9.8% | $987.20M | 0.8% | ▼ Trim | 3 | SEC ↗ |
| 5 | Baillie Gifford ✦ | 1.91M | -9.8% | $987.20M | 0.8% | ▼ Trim | 3 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 1.47M | +2.2% | $758.50M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 1.47M | +2.2% | $758.50M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 768.08K | -8.2% | $396.71M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | T. Rowe Price ✦ | 768.08K | -8.2% | $396.71M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Norges Bank ✦ (passive) | 594.12K | -7.5% | $306.86M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 237.16K | +55.9% | $122.49M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 93.34K | +162.2% | $48.21M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 93.34K | +162.2% | $48.21M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Millennium Management ✦ | 68.74K | +218.1% | $35.50M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Marshall Wace ✦ | 35.11K | -83.2% | $18.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | Marshall Wace ✦ | 35.11K | -83.2% | $18.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | Marshall Wace ✦ | 35.11K | -83.2% | $18.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 31.66K | -19.3% | $16.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 31.66K | -19.3% | $16.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 31.66K | -19.3% | $16.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 31.66K | -19.3% | $16.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | Wellington Management ✦ | 448 | +5.4% | $231,393 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | Wellington Management ✦ | 448 | +5.4% | $231,393 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| D. E. Shaw & Co. | $20.47M | was 0.0% |
| Adage Capital Partners | $3.04M | was 0.0% |
| Arrowstreet Capital | $929,020 | was 0.0% |
| Gotham Asset Management | $285,273 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,064 holders, 56.49M shares, $31.19B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
15.4% of class · View original SEC filing ↗