MLM
Martin Marietta Materials, Inc. · Basic Materials · Construction Materials
Momentum inputs (comparable managers):
holder breadth -11.1% ·
share flow -1.5% ·
net new positions -12.5%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 159 | +6 | 43.22M | $24.92B | +10 | −5 |
| 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 | The Vanguard Group ✦ (passive) | 7.35M | — | $4.03B | 0.1% | n/c | 1 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 4.23M | — | $2.32B | 0.0% | n/c | 1 | SEC ↗ ×21 |
| 3 | Fidelity (FMR) ✦ | 3.01M | — | $1.65B | 0.1% | n/c | 1 | SEC ↗ ×5 |
| 4 | State Street Global Advisors ✦ (passive) | 2.83M | +2.0% | $1.55B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 1.52M | +0.3% | $831.33M | 0.1% | ▲ Add | 5 | SEC ↗ ×2 |
| 6 | Baillie Gifford ✦ | 1.23M | -1.9% | $675.74M | 0.5% | ▼ Trim | 5 | SEC ↗ ×4 |
| 7 | Norges Bank ✦ (passive) | 425.92K | -26.6% | $233.81M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 217.34K | -31.1% | $119.31M | 0.2% | ▼ Trim | 5 | SEC ↗ |
| 9 | T. Rowe Price ✦ | 114.53K | -45.0% | $62.87M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 10 | AQR Capital Management ✦ | 66.60K | +42.3% | $36.56M | 0.0% | ▲ Add | 5 | SEC ↗ ×6 |
| 11 | Arrowstreet Capital ✦ | 43.37K | -3.1% | $23.81M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | Marshall Wace ✦ | 17.94K | -29.7% | $9.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | Millennium Management ✦ | 10.14K | +6.7% | $5.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | Gotham Asset Management ✦ | 4.25K | +427.4% | $2.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 2.17K | -79.4% | $1.19M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 16 | Wellington Management ✦ | 761 | +64.7% | $417,758 | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
“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
| Adage Capital Partners | $10.39M | was 0.0% |
| D. E. Shaw & Co. | $1.67M | 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 ↗