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Ero Copper Corp. · Basic Materials · Copper
Momentum inputs (comparable managers):
holder breadth +16.7% ·
share flow -3.5% ·
net new positions +14.3%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 131.94K | $4.72M | n/a | n/a |
| Q2 2026 | 84 | 0 | 50.68M | $1.36B | +7 | −7 |
| Q1 2026 | 85 | +15 | 52.40M | $1.40B | +16 | −1 |
| Q4 2025 | 70 | +3 | 50.08M | $1.42B | +4 | −1 |
| Q3 2025 | 12 | +1 | 23.18M | $469.37M | +2 | −1 |
| Q2 2025 | 9 | -1 | 22.04M | $371.87M | n/a | −1 |
| Q1 2025 | 7 | +1 | 10.17M | $123.27M | +1 | n/a |
| Q4 2024 | 6 | +2 | 10.54M | $142.13M | +3 | −1 |
| Q3 2024 | 4 | 0 | 9.49M | $211.26M | +1 | −1 |
| Q2 2024 | 4 | n/a | 9.63M | $205.94M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | T. Rowe Price ✦ | 8.84M | -3.0% | $107.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | Bridgewater Associates ✦ | 789.33K | -3.5% | $9.56M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 314.77K | +26.3% | $3.82M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 4 | Renaissance Technologies ✦ | 125.10K | -51.9% | $1.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 53.35K | +9.6% | $651,954 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 6 | Marshall Wace ✦ | 24.53K | -54.7% | $297,351 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 7 | Millennium Management ✦ | 23.34K | New | $282,857 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $282,857 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 186 holders, 68.28M shares, $1.78B 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.