FSM
Fortuna Mining Corp. · Basic Materials · Gold
Momentum inputs (comparable managers):
holder breadth +14.3% ·
share flow -4.8% ·
net new positions +12.5%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 85 | 0 | 129.28M | $1.10B | +8 | −7 |
| Q1 2026 | 85 | +9 | 142.56M | $1.42B | +12 | −3 |
| Q4 2025 | 76 | 0 | 146.99M | $1.45B | +1 | −1 |
| Q3 2025 | 15 | +2 | 61.44M | $554.03M | +2 | — |
| Q2 2025 | 10 | -1 | 38.17M | $249.72M | — | −1 |
| Q1 2025 | 9 | -1 | 30.71M | $187.09M | — | −1 |
| Q4 2024 | 10 | +2 | 25.73M | $110.35M | +2 | — |
| Q3 2024 | 8 | +1 | 26.15M | $121.26M | +1 | — |
| Q2 2024 | 7 | — | 27.46M | $134.28M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | D. E. Shaw & Co. ✦ | 7.12M | +28.1% | $32.98M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | D. E. Shaw & Co. ✦ | 7.12M | +28.1% | $32.98M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Arrowstreet Capital ✦ | 6.99M | -22.7% | $32.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Millennium Management ✦ | 3.76M | +142.0% | $17.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Renaissance Technologies ✦ | 3.71M | -27.9% | $17.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Two Sigma Investments ✦ | 3.59M | -14.9% | $16.60M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 815.84K | -54.9% | $3.78M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 815.84K | -54.9% | $3.78M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Geode Capital Management ✦ (passive) | 141.31K | +4.3% | $660,293 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 141.31K | +4.3% | $660,293 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Marshall Wace ✦ | 31.91K | New | $147,757 | 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
| Marshall Wace | $147,757 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 5 holders, 16.95M shares, $29.38M 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.