Ferroglobe PLC
Ownership
Ownership Structure
Who owns Ferroglobe PLC (GSM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 56.6% of the shares are freely tradable; institutional investors hold 58.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Cooper Creek Partners Management LLC | 7.29 | 13,615,302 | -0.7 | 06/30/2026 |
| Hosking Partners LLP | 5.47 | 10,230,131 | -11.5 | 06/30/2026 |
| Donald Smith & Co Inc | 4.35 | 8,126,773 | +49.5 | 06/30/2026 |
| BlackRock Inc | 4.07 | 7,603,051 | +14.3 | 06/30/2026 |
| Barrow Hanley Mewhinney & Strauss LLC | 2.74 | 5,113,924 | -15.8 | 06/30/2026 |
| Old West Investment Management, LLC | 2.25 | 4,201,296 | +7.0 | 06/30/2026 |
| Renaissance Technologies Corp | 1.41 | 2,638,735 | -4.7 | 06/30/2026 |
| CenterBook Partners LP | 1.37 | 2,566,762 | +174.4 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| WisdomTree Strat Mtls&RareErthsMnrsETF$A | 1.78 | 3,330,182 | -1.5 | 09/30/2026 |
| iShares Russell 2000 ETF | 1.69 | 3,157,461 | -1.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Villar-Mir de Fuentes Silvia | Director | 99,728 | 289,211 $ | Sep 22, 2026 | indirect |
| Lopez Madrid Javier | EXECUTIVE CHAIRMAN | 99,728 | 289,211 $ | Sep 22, 2026 | direct |
| Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | 31,693 | 91,910 $ | Aug 14, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | Villar-Mir de Fuentes Silvia | Director | Other | 6,889 | 4.31 | 29,692 |
| Sep 22, 2026 | Villar-Mir de Fuentes Silvia | Director | Other | 28,117 | 0.00 | – |
| Sep 22, 2026 | Lopez Madrid Javier | EXECUTIVE CHAIRMAN | Other | 6,889 | 4.31 | 29,692 |
| Sep 22, 2026 | Lopez Madrid Javier | EXECUTIVE CHAIRMAN | Other | 28,117 | 0.00 | – |
| Aug 14, 2026 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | Sell | 32,292 | 4.30 | 138,856 |
| Aug 11, 2026 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | Other | 5,091 | 4.63 | 23,571 |
| Aug 11, 2026 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | Other | 36,784 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 4, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.