MAGNACHIP SEMICONDUCTOR CORP (MX) Institutional Ownership Changes & 13F Activity

MAGNACHIP SEMICONDUCTOR CORP (MX) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Oaktree Capital Management, Fairfax Financial Holdings, and Engaged Capital.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2018Oaktree Capital ManagementBuy250,0003,250,000$33,312
Q1 2018Engaged CapitalSell-300,0001,181,225$11,340
Q4 2017Oaktree Capital ManagementBuy660,0003,000,000$29,850
Q4 2017Renaissance Technologies LLCSell-25,493268,131$2,668
Q3 2017Engaged CapitalSell-830,0001,481,225$16,812
Q3 2017Oaktree Capital ManagementBuy725,0002,340,000$26,559
Q3 2017Renaissance Technologies LLCSell-217,818293,624$3,333
Q2 2017Engaged CapitalSell-916,7492,311,225$22,650
Q2 2017Oaktree Capital ManagementBuy359,7251,615,000$15,827
Q2 2017Renaissance Technologies LLCBuy100,311511,442$5,012
Q1 2017Oaktree Capital ManagementBuy1,255,2751,255,275$11,988
Q1 2017Engaged CapitalSell-625,0003,227,974$30,827
Q1 2017Renaissance Technologies LLCBuy183,000411,131$3,926
Q4 2016Renaissance Technologies LLCBuy200,100228,131$1,414
Q3 2016Renaissance Technologies LLCSell-251,91128,031$234
Q1 2016Engaged CapitalBuy400,0003,852,974$20,960
Q4 2015Engaged CapitalBuy1,014,1823,452,974$18,266
Q3 2015Engaged CapitalBuy960,6572,438,792$16,072
Q2 2015Engaged CapitalBuy1,478,1351,478,135$11,411
Q2 2014Renaissance Technologies LLCSell-378,089279,942$3,947
Q1 2014Renaissance Technologies LLCBuy391,200658,031$9,173
Q4 2013Renaissance Technologies LLCSell-148,800266,831$5,203
Q3 2013Renaissance Technologies LLCBuy65,400415,631$8,949
Q2 2013Renaissance Technologies LLCBuy350,231350,231$6,399

Frequently asked questions about MX activity

  • Which institutional owners are buying MX?

    Institutional owners buying MX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MX activity?

    "Buy" means an investor increased their reported position in MX compared to the prior reporting period. This reflects growing exposure to MAGNACHIP SEMICONDUCTOR CORP (MX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MX increasing?

    Institutional interest in MX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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