MRX
Marex Group Limited · Financial Services · Financial - Capital Markets
Momentum inputs (comparable managers):
holder breadth +10.0% ·
share flow +30.0% ·
net new positions +9.1%
· formula
Broad accumulation: rising shares across more 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 | 83 | 0 | 42.18M | $2.52B | +11 | −10 |
| Q1 2026 | 85 | +3 | 37.24M | $1.65B | +8 | −5 |
| Q4 2025 | 83 | 0 | 35.18M | $1.35B | +1 | −1 |
| Q3 2025 | 18 | -1 | 15.20M | $511.18M | +1 | −3 |
| Q2 2025 | 17 | +3 | 10.90M | $430.16M | +4 | −1 |
| Q1 2025 | 11 | 0 | 2.90M | $102.43M | n/a | n/a |
| Q4 2024 | 11 | +1 | 3.26M | $101.72M | +1 | n/a |
| Q3 2024 | 10 | +2 | 2.30M | $54.35M | +2 | n/a |
| Q2 2024 | 8 | n/a | 2.55M | $51.02M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Arrowstreet Capital ✦ | 710.82K | +6123.2% | $22.16M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Marshall Wace ✦ | 488.58K | +21.6% | $15.23M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 3 | Two Sigma Investments ✦ | 483.50K | +275.6% | $15.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Adage Capital Partners ✦ | 450.27K | -15.6% | $14.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | Millennium Management ✦ | 432.42K | -5.2% | $13.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 311.58K | -36.8% | $9.71M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 7 | Renaissance Technologies ✦ | 132.32K | -6.5% | $4.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Wellington Management ✦ | 121.38K | New | $3.78M | 0.0% | New | 1 | SEC ↗ ×2 |
| 9 | Geode Capital Management ✦ (passive) | 67.91K | +1.1% | $2.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Norges Bank ✦ (passive) | 50.00K | 0.0% | $1.56M | 0.0% | Held | 3 | SEC ↗ |
| 11 | Point72 Asset Management ✦ | 14.60K | -17.1% | $455,082 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Wellington Management | $3.78M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 204 holders, 52.03M shares, $2.16B 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 15.51K sh · $1.12M
Officer · 1.26K sh · $91,515
Officer · 14.01K sh · $1.01M
Officer · 1.16K sh · $84,260
Officer · 2.65K sh · $189,457
Officer · 2.95K sh · $210,638
Officer · 13.71K sh · $970,529
Officer · 12.62K sh · $892,820
Officer, Director · 200 sh · $14,373
Officer, Director · 3.50K sh · $248,172
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology