Magnachip Semiconductor Corporation
Ownership
Ownership Structure
Who owns Magnachip Semiconductor Corporation (MX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 81.6% of the shares are freely tradable; institutional investors hold 54.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Marshall Wace Asset Management Ltd | 2.17 | 1,615,488 | +29.8 | 06/30/2026 |
| FourWorld Capital Management LLC | 2.15 | 1,600,695 | -3.4 | 06/30/2026 |
| Two Sigma Investments LLC | 2.01 | 1,501,438 | +162.6 | 06/30/2026 |
| Oaktree Capital Management LLC | 2.01 | 1,500,000 | -47.4 | 06/30/2026 |
| D. E. Shaw & Co LP | 1.87 | 1,397,759 | +775.8 | 06/30/2026 |
| Acadian Asset Management LLC | 1.29 | 963,768 | +49.0 | 06/30/2026 |
| Renaissance Technologies Corp | 0.89 | 661,600 | +1,763.7 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 0.73 | 544,125 | -23.4 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 0.64 | 475,648 | -13.4 | 06/30/2026 |
| Connor Clark & Lunn Inv Mgmt Ltd | 0.55 | 412,849 | +326.8 | 06/30/2026 |
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 |
|---|---|---|---|---|---|
| Martino Camillo | Director | 410,661 | 1,026,653 $ | Aug 15, 2026 | direct |
| Lee Chae | Chief Executive Officer | 388,750 | 971,875 $ | Sep 24, 2026 | direct |
| Nathan Gilbert E | Director | 265,682 | 664,205 $ | Aug 1, 2026 | direct |
| Chung Kyo-Hwa Liz | Director | 149,599 | 373,998 $ | Aug 1, 2026 | direct |
| Amoruso Cristiano | Director | 75,057 | 187,643 $ | Aug 1, 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 24, 2026 | Lee Chae | Chief Executive Officer | Buy | 20,000 | 3.22 | 64,398 |
| Sep 23, 2026 | Lee Chae | Chief Executive Officer | Buy | 30,000 | 3.19 | 95,598 |
| Sep 23, 2026 | Lee Chae | Chief Executive Officer | Buy | 50,000 | 3.17 | 158,500 |
| Aug 15, 2026 | Martino Camillo | Director | Other | 6,764 | 0.00 | – |
| Aug 1, 2026 | Martino Camillo | Director | Other | 39,286 | 0.00 | – |
| Aug 1, 2026 | Chung Kyo-Hwa Liz | Director | Other | 48,810 | 0.00 | – |
| Aug 1, 2026 | Nathan Gilbert E | Director | Other | 51,191 | 0.00 | – |
| Aug 1, 2026 | Amoruso Cristiano | Director | Other | 46,429 | 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 3, 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.