Magnachip Semiconductor
MX · NYSE
$2.41−$0.03 (−1.23%)TodayMarket closed ·
Prev close $2.44
Who owns MX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 35.0% of MX’s shares.
- Byreforge LLC8.1%
- Marshall Wace LLP4.2%
- Fourworld Capital Management LLC4.2%
- Two Sigma Investments, LP3.9%
- Next 6 largest institutions14.6%
- All other shareholders65.0%
| Holder | Shares | % of shares |
|---|---|---|
| Byreforge LLC | 3.07M | 8.08% |
| Marshall Wace LLP | 1.62M | 4.25% |
| Fourworld Capital Management LLC | 1.60M | 4.21% |
| Two Sigma Investments, LP | 1.50M | 3.95% |
| Oaktree Capital Management, L.P. | 1.50M | 3.94% |
| D. E. Shaw & Co., L.P. | 1.40M | 3.67% |
| Acadian Asset Management LLC | 963.77K | 2.53% |
| Renaissance Technologies LLC | 661.60K | 1.74% |
| Morgan Stanley & Co. LLC | 540.52K | 1.42% |
| Dimensional Fund Advisors, L.P. | 475.65K | 1.25% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Strategic Small-Cap Equity Fund | 239.69K | 0.63% |
| DFA US Small Cap Portfolio | 156.70K | 0.41% |
| DFA U.S. Micro Cap Portfolio | 91.11K | 0.24% |
| Lumyna - MW TOPS UCITS Fund | 58.46K | 0.15% |
| Avantis US Small Cap Equity ETF | 58.38K | 0.15% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $318.50K (3 trades) of MX on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| LEE CHAE | Buy | 20.00K | $64.40K |
| LEE CHAE | Buy | 30.00K | $95.60K |
| LEE CHAE | Buy | 50.00K | $158.50K |
| MARTINO CAMILLO | Award | 6.76K | — |
| Chung Kyo-Hwa Liz | Award | 48.81K | — |
| NATHAN GILBERT E | Award | 51.19K | — |
| Amoruso Cristiano | Award | 46.43K | — |
| MARTINO CAMILLO | Award | 39.29K | — |
| LEE CHAE | Award | 148.75K | — |
| LEE CHAE | Award | 288.75K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.67M
- Days to cover
- 1.00
- % of shares outstanding
- 4.40%
- Average daily volume
- 2.55M
- Change since last report
- +38.0%
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