Magnachip Semiconductor Corporation (MX) ownership: Byreforge LLC 19% · institutions 48% · index and ETF funds 6% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Oaktree Capital Management LP | 2849858.00 | $7.98M | 7.8% | 2026-03-31 |
| FourWorld Capital Management LLC | 1657701.00 | $4.64M | 4.5% | 2026-03-31 |
| Ameriprise (Columbia) | 1583589.00 | $4.43M | 4.3% | 2026-03-31 |
| Immersion Corp | 1383402.00 | $3.87M | 3.8% | 2026-03-31 |
| Marshall Wace | 1244622.00 | $3.48M | 3.4% | 2026-03-31 |
| Clearline Capital LP | 1114590.00 | $3.12M | 3.1% | 2026-03-31 |
| First Wilshire Securities Management Inc | 743953.00 | $2.08M | 2.0% | 2026-03-31 |
| Cygnus Capital Advisors, LLC | 733954.00 | $2.06M | 2.0% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-15 | |
| Sell | null | 2026-08-01 | |
| Sell | null | 2026-08-01 | |
| Sell | null | 2026-08-01 | |
| Sell | null | 2026-08-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-06-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.