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 Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Oaktree Capital Management, D. E. Shaw & Co., Inc., Two Sigma Investments, Lp, Renaissance Technologies LLC, and Qube Research & Technologies Ltd.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+22,969+26.1%111,043$525.23KQ2 2026Sep 02, 2026
Oaktree Capital ManagementSell-1,349,858-47.4%1,500,000$7.09MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+1,238,153+775.8%1,397,759$6.61MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+929,604+162.6%1,501,438$7.10MQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+382,383382,383$1.81MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+285,909285,909$1.35MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+222,197222,197$1.05MQ2 2026Aug 14, 2026
Bridgeway Capital Management, LlcSell-187,754-80.3%46,141$218.25KQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+166,108+333.8%215,877$1.02MQ2 2026Aug 14, 2026
Caption Management, LlcBuy+160,090160,090$757.23KQ2 2026Aug 14, 2026
Bluefin Capital Management, LlcBuy+147,698147,698$698.61KQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-104,800-52.2%95,843$453.34KQ2 2026Aug 14, 2026
Group One Trading LlcBuy+94,157+397.9%117,823$557.30KQ2 2026Aug 14, 2026
Federation Des Caisses Desjardins Du QuebecBuy+84,038+343.9%108,474$512.76KQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+83,753+344.0%108,103$511.33KQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlBuy+75,10375,103$355.24KQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+67,45067,450$319.04KQ2 2026Aug 14, 2026
Fairfax Financial HoldingsSell-62,500-50.0%62,500$296.25KQ2 2026Aug 14, 2026
Fourworld Capital Management LlcSell-57,006-3.4%1,600,695$7.57MQ2 2026Aug 14, 2026
Millennium Management LlcSell-56,518-19.3%236,422$1.12MQ2 2026Aug 14, 2026
Barclays PlcBuy+54,218+937.7%60,000$283.80KQ2 2026Aug 14, 2026
Susquehanna Fundamental Investments, LlcBuy+19,06619,066$90.18KQ2 2026Aug 14, 2026
Owlhouse Capital LpBuy+13,14013,140$62.15KQ2 2026Aug 14, 2026
Hrt Financial LpBuy+9,293+48.5%28,441$134.00KQ2 2026Aug 14, 2026
Boothbay Fund Management, LlcSell-7,125-3.4%200,081$946.38KQ2 2026Aug 14, 2026
Royal Bank Of CanadaSell-1,246-64.4%688$3.00KQ2 2026Aug 14, 2026
Nfsg CorpBuy+1,200+25.4%5,925$28.02KQ2 2026Aug 14, 2026
Ameritas Advisory Services, LlcBuy+946946$4.47KQ2 2026Aug 14, 2026
Renaissance Technologies LLCBuy+626,100+1763.7%661,600$3.13MQ2 2026Aug 13, 2026
Marshall Wace, LlpBuy+370,866+29.8%1,615,488$7.64MQ2 2026Aug 13, 2026
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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.