# MAGNACHIP SEMICONDUCTOR CORP (MX) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 55933J203
Page URL: https://superinvestorclub.com/stock/MX
Last updated: 2026-08-29T13:49:02.640Z

## Summary

As of the most recent 13F filing period, MAGNACHIP SEMICONDUCTOR CORP (MX) is held by 3 tracked superinvestors with an aggregate position value of $12.1M representing 01500000100000062500 shares.

## Top institutional holders (3)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Howard Marks](https://superinvestorclub.com/manager/87) | Oaktree Capital Management | 1500000 | $7.1M | 0.10% | 2026-06-30 |
| 2 | [Howard Marks](https://superinvestorclub.com/manager/87) | Oaktree Capital Management | 1000000 | $4.7M | 0.07% | 2026-06-30 |
| 3 | [Prem Watsa](https://superinvestorclub.com/manager/71) | Fairfax Financial Holdings | 62500 | $296,250 | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 1 holders, $697,500 aggregate, 0125000 shares
- 2024-06-30: 1 holders, $608,750 aggregate, 0125000 shares
- 2024-09-30: 2 holders, $13.9M aggregate, 02849858125000 shares
- 2024-12-31: 2 holders, $12.0M aggregate, 02849858125000 shares
- 2025-03-31: 2 holders, $10.2M aggregate, 02849858125000 shares
- 2025-06-30: 2 holders, $11.8M aggregate, 02849858125000 shares
- 2025-09-30: 2 holders, $9.3M aggregate, 02849858125000 shares
- 2025-12-31: 2 holders, $7.6M aggregate, 02849858125000 shares
- 2026-03-31: 2 holders, $8.3M aggregate, 02849858125000 shares
- 2026-06-30: 3 holders, $12.1M aggregate, 01500000100000062500 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "MAGNACHIP SEMICONDUCTOR CORP (MX) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MX), aggregating SEC 13F, Form 4, and congressional disclosures."