GSM
Ferroglobe PLC · Basic Materials · Industrial Materials
Momentum inputs (comparable managers):
holder breadth -18.2% ·
share flow -22.0% ·
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 |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | +1 | 13.40K | $56,167 | +1 | n/a |
| Q2 2026 | 69 | +4 | 34.85M | $365.31M | +6 | −4 |
| Q1 2026 | 69 | +4 | 35.94M | $397.07M | +9 | −5 |
| Q4 2025 | 66 | -1 | 41.75M | $430.53M | n/a | −1 |
| Q3 2025 | 16 | +1 | 20.93M | $334.24M | +1 | n/a |
| Q2 2025 | 12 | 0 | 14.55M | $285.97M | +1 | −1 |
| Q1 2025 | 9 | 0 | 6.55M | $182.19M | n/a | n/a |
| Q4 2024 | 9 | -2 | 6.67M | $235.38M | n/a | −2 |
| Q3 2024 | 10 | -8 | 8.38M | $287.37M | +1 | −9 |
| Q2 2024 | 18 | n/a | 23.72M | $3.41B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Trian Fund Management ✦ | 1.24M | -2.6% | $214.75M | 5.5% | ▼ Trim | 3 | SEC ↗ |
| 2 | Renaissance Technologies ✦ | 3.52M | -10.4% | $13.37M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Marshall Wace ✦ | 659.56K | +1722.0% | $2.51M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 4 | Millennium Management ✦ | 413.28K | -54.0% | $1.57M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 226.48K | -42.9% | $860,635 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 6 | Geode Capital Management ✦ (passive) | 225.63K | +1.2% | $857,390 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 190.07K | -80.2% | $722,270 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | State Street Global Advisors ✦ (passive) | 164.10K | n/a | $623,591 | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 31.11K | -88.2% | $118,210 | 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
| No new tracked buyers this quarter. |
Exited
| Gotham Asset Management | $2.07M | was 0.0% |
| Point72 Asset Management | $1.85M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 3 holders, 1.10M shares, $256.72M 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 · 32.29K sh · $138,856
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology