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%
Top institutional holders of MX
HolderShares% of shares
Byreforge LLC3.07M8.08%
Marshall Wace LLP1.62M4.25%
Fourworld Capital Management LLC1.60M4.21%
Two Sigma Investments, LP1.50M3.95%
Oaktree Capital Management, L.P.1.50M3.94%
D. E. Shaw & Co., L.P.1.40M3.67%
Acadian Asset Management LLC963.77K2.53%
Renaissance Technologies LLC661.60K1.74%
Morgan Stanley & Co. LLC540.52K1.42%
Dimensional Fund Advisors, L.P.475.65K1.25%

Largest mutual fund holders

Top mutual fund holders of MX
HolderShares% of shares
Vanguard Strategic Small-Cap Equity Fund239.69K0.63%
DFA US Small Cap Portfolio156.70K0.41%
DFA U.S. Micro Cap Portfolio91.11K0.24%
Lumyna - MW TOPS UCITS Fund58.46K0.15%
Avantis US Small Cap Equity ETF58.38K0.15%

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.

Latest MX insider transactions
InsiderTypeSharesValue
LEE CHAEBuy20.00K$64.40K
LEE CHAEBuy30.00K$95.60K
LEE CHAEBuy50.00K$158.50K
MARTINO CAMILLOAward6.76K—
Chung Kyo-Hwa LizAward48.81K—
NATHAN GILBERT EAward51.19K—
Amoruso CristianoAward46.43K—
MARTINO CAMILLOAward39.29K—
LEE CHAEAward148.75K—
LEE CHAEAward288.75K—

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%

Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.