MAGNACHIP SEMICONDUCTOR CORP (MX) Stock Institutional Trading Activity
MAGNACHIP SEMICONDUCTOR CORP (MX) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Oaktree Capital Management, Fairfax Financial Holdings, and Engaged Capital. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- MAGNACHIP SEMICONDUCTOR CORP (MX) stock institutional ownership
- MAGNACHIP SEMICONDUCTOR CORP (MX) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2018 | Engaged Capital | Sell | -300,000 | 1,181,225 | $11,340 |
| Q4 2017 | Renaissance Technologies LLC | Sell | -25,493 | 268,131 | $2,668 |
| Q4 2017 | Oaktree Capital Management | Buy | 660,000 | 3,000,000 | $29,850 |
| Q3 2017 | Renaissance Technologies LLC | Sell | -217,818 | 293,624 | $3,333 |
| Q3 2017 | Engaged Capital | Sell | -830,000 | 1,481,225 | $16,812 |
| Q3 2017 | Oaktree Capital Management | Buy | 725,000 | 2,340,000 | $26,559 |
| Q2 2017 | Renaissance Technologies LLC | Buy | 100,311 | 511,442 | $5,012 |
| Q2 2017 | Oaktree Capital Management | Buy | 359,725 | 1,615,000 | $15,827 |
| Q2 2017 | Engaged Capital | Sell | -916,749 | 2,311,225 | $22,650 |
| Q1 2017 | Renaissance Technologies LLC | Buy | 183,000 | 411,131 | $3,926 |
| Q1 2017 | Oaktree Capital Management | Buy | 1,255,275 | 1,255,275 | $11,988 |
| Q1 2017 | Engaged Capital | Sell | -625,000 | 3,227,974 | $30,827 |
| Q4 2016 | Renaissance Technologies LLC | Buy | 200,100 | 228,131 | $1,414 |
| Q3 2016 | Renaissance Technologies LLC | Sell | -251,911 | 28,031 | $234 |
| Q1 2016 | Engaged Capital | Buy | 400,000 | 3,852,974 | $20,960 |
| Q4 2015 | Engaged Capital | Buy | 1,014,182 | 3,452,974 | $18,266 |
| Q3 2015 | Engaged Capital | Buy | 960,657 | 2,438,792 | $16,072 |
| Q2 2015 | Engaged Capital | Buy | 1,478,135 | 1,478,135 | $11,411 |
| Q2 2014 | Renaissance Technologies LLC | Sell | -378,089 | 279,942 | $3,947 |
| Q1 2014 | Renaissance Technologies LLC | Buy | 391,200 | 658,031 | $9,173 |
| Q4 2013 | Renaissance Technologies LLC | Sell | -148,800 | 266,831 | $5,203 |
| Q3 2013 | Renaissance Technologies LLC | Buy | 65,400 | 415,631 | $8,949 |
| Q2 2013 | Renaissance Technologies LLC | Buy | 350,231 | 350,231 | $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.