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Magnachip Semiconductor Corp

MX
Exchange
NYSE
Industry
Semiconductors & Related Devices
SEC CIK
0001325702

In the last 90 days, Magnachip Semiconductor Corp insiders filed 1 open-market purchase and 0 sales; 75 institutions reported holding it in 13F filings for Q2 2026, worth $73.9M in total; superinvestors Oaktree Capital and Fairfax Financial hold it.

13F holders, Q4 2021

Institutional positions in Magnachip Semiconductor Corp as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
131
0 vs. Q3 2021
Shares held
31.8M
−2.76M (−8.0%) vs. Q3 2021
Total value
$666.7M
+$54.2M (+8.8%) vs. Q3 2021
New holders
27
43 more added
Sold out
27
44 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2021: 131 institutions
Q1 2021: 134 institutionsQ2 2021: 147 institutionsQ3 2021: 132 institutionsQ4 2021: 131 institutionsQ1 2022: 121 institutionsQ2 2022: 127 institutionsQ3 2022: 129 institutionsQ4 2022: 118 institutionsQ1 2023: 116 institutionsQ2 2023: 115 institutionsQ3 2023: 117 institutionsQ4 2023: 122 institutionsQ1 2024: 103 institutionsQ2 2024: 89 institutionsQ3 2024: 88 institutionsQ4 2024: 82 institutionsQ1 2025: 88 institutionsQ2 2025: 91 institutionsQ3 2025: 75 institutionsQ4 2025: 69 institutionsQ1 2026: 71 institutionsQ2 2026: 75 institutions
Value heldQ4 2021: $666.7M
Q1 2021: $978.5MQ2 2021: $822.1MQ3 2021: $613.2MQ4 2021: $666.7MQ1 2022: $525.1MQ2 2022: $452.1MQ3 2022: $317.3MQ4 2022: $292.1MQ1 2023: $279.9MQ2 2023: $334.5MQ3 2023: $242.3MQ4 2023: $214.7MQ1 2024: $130.9MQ2 2024: $109.8MQ3 2024: $103.9MQ4 2024: $95.5MQ1 2025: $78.3MQ2 2025: $93.5MQ3 2025: $70.9MQ4 2025: $50.1MQ1 2026: $54.9MQ2 2026: $73.9M
Institutions holding MX and their total value by quarter
QuarterHoldersValue
Q2 202675$73.9M
Q1 202671$54.9M
Q4 202569$50.1M
Q3 202575$70.9M
Q2 202591$93.5M
Q1 202588$78.3M
Q4 202482$95.5M
Q3 202488$103.9M
Q2 202489$109.8M
Q1 2024103$130.9M
Q4 2023122$214.7M
Q3 2023117$242.3M
Q2 2023115$334.5M
Q1 2023116$279.9M
Q4 2022118$292.1M
Q3 2022129$317.3M
Q2 2022127$452.1M
Q1 2022121$525.1M
Q4 2021131$666.7M
Q3 2021132$613.2M
Q2 2021147$822.1M
Q1 2021134$978.5M

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Magnachip Semiconductor Corp; share changes are against Q3 2021.

Institutions holding MX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Toronado Partners, LLC2,523,636$52.9M16.85%+476,657+23.3%Added
Oaktree Capital Management LPSuperinvestorOaktree Capital2,300,000$48.2M0.56%+293,463+14.6%Added
Alliancebernstein L.P.2,001,057$42.0M0.01%+147,639+8.0%Added
Systematic Financial Management LP1,634,882$34.3M1.02%−179,383−9.9%Reduced
Ameriprise Financial Inc1,318,298$27.6M0.01%+398,523+43.3%Added
Brigade Capital Management, LP1,302,880$27.3M5.11%+104,332+8.7%Added
Water Island Capital LLC1,177,839$24.7M1.37%−10,000−0.8%Reduced
Quinn Opportunity Partners LLC1,011,106$21.2M1.29%−145,419−12.6%Reduced
Mangrove Partners986,430$20.7M1.53%00.0%Unchanged
Lynrock Lake LP949,385$19.9M1.33%+8,887+0.9%Added
Millennium Management LLC947,515$19.9M0.02%−172,776−15.4%Reduced
Rubric Capital Management LP872,308$18.3M0.86%00.0%Unchanged
Clearline Capital LP836,570$17.5M2.40%+44,885+5.7%Added
Morgan Stanley789,924$16.6M0.00%−219,202−21.7%Reduced
S Squared Technology, LLC583,620$12.2M5.48%00.0%Unchanged
UBS Group AG547,755$11.5M0.00%+466,378+573.1%Added
Dimensional Fund Advisors LP528,575$11.1M0.00%−3,375−0.6%Reduced
Garnet Equity Capital Holdings, Inc.522,159$10.9M7.41%00.0%Unchanged
Inherent Group, LP507,196$10.6M2.81%+281,323+124.5%Added
State of Wisconsin Investment Board457,680$9.60M0.02%00.0%Unchanged
Royce & Associates LP438,661$9.20M0.07%00.0%Unchanged
Caption Management, LLC428,026$8.98M0.56%+363,026+558.5%Added
Kennedy Capital Management, Inc.405,117$8.49M0.18%+11,001+2.8%Added
Citadel Advisors LLC359,015$7.53M0.01%−108,426−23.2%Reduced
Evermore Global Advisors, LLC339,657$7.12M8.83%−80,700−19.2%Reduced
Healthcare of Ontario Pension Plan Trust Fund310,200$6.50M0.01%−635,100−67.2%Reduced
Qube Research & Technologies Ltd309,985$6.50M0.05%+187,411+152.9%Added
North Run Capital, LP300,500$6.30M4.84%+35,500+13.4%Added
Man Group plc289,190$6.06M0.02%+82,710+40.1%Added
Gabelli Funds LLC278,925$5.85M0.04%+96,417+52.8%Added
Two Sigma Investments, LP272,360$5.71M0.01%+91,421+50.5%Added
Norges Bank266,600$5.59M0.00%+266,600New
K2 Principal Fund, L.P.240,000$5.03M0.62%+5,000+2.1%Added
Vanguard Group Inc227,654$4.77M0.00%+4,433+2.0%Added
Polunin Capital Partners Ltd222,612$4.67M1.51%+222,612New
1492 Capital Management LLC199,093$4.17M2.07%+110,538+124.8%Added
Kite Lake Capital Management (UK) LLP199,000$4.17M1.13%+199,000New
Philosophy Capital Management LLC183,164$3.84M1.49%+183,164New
Rice Hall James & Associates, LLC176,130$3.69M0.13%+56,506+47.2%Added
Segantii Capital Management Ltd165,000$3.46M0.11%+90,000+120.0%Added
IndexIQ Advisors LLC163,402$3.43M0.11%−7,912−4.6%Reduced
Gabelli & Co Investment Advisers, Inc.151,745$3.18M0.42%+4,125+2.8%Added
Goldman Sachs Group Inc150,984$3.17M0.00%−365,600−70.8%Reduced
BlackRock Inc.149,810$3.14M0.00%+7,278+5.1%Added
Athos Capital Ltd146,575$3.07M1.08%−206,559−58.5%Reduced
B. Riley Asset Management, LLC142,199$2.98M1.57%+142,199New
Silverback Asset Management LLC141,013$2.96M0.35%−110,000−43.8%Reduced
Bank of America Corp137,899$2.89M0.00%+132,245+2,339.0%Added
Two Sigma Advisers, LP134,338$2.82M0.01%−113,600−45.8%Reduced
Portolan Capital Management, LLC133,694$2.80M0.19%+133,694New
Susquehanna International Group, LLP100,435$2.11M0.00%+64,911+182.7%Added
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial100,000$2.10M0.07%+43,800+77.9%Added
S. Muoio & Co. LLC99,520$2.09M2.16%+99,520New
Alpine Global Management, LLC99,313$2.08M0.31%−136,626−57.9%Reduced
First Republic Investment Management, Inc.97,931$2.05M0.00%−1,220−1.2%Reduced
HighTower Advisors, LLC95,000$1.99M0.00%−2,541−2.6%Reduced
Balyasny Asset Management LLC93,757$1.97M0.01%+550+0.6%Added
Group One Trading, L.P.93,468$1.96M0.04%−52,845−36.1%Reduced
Renaissance Technologies LLC92,288$1.94M0.00%+92,288New
State Street Corp91,776$1.93M0.00%−11,998−11.6%Reduced
Swiss National Bank91,500$1.92M0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.89,279$1.87M0.00%−2,481−2.7%Reduced
Westchester Capital Management, LLC85,101$1.78M0.05%−620,963−87.9%Reduced
Sarissa Consulting LLC76,000$1.59M2.05%+76,000New
Greenwood Capital Associates LLC74,051$1.55M0.22%+5,301+7.7%Added
Weiss Asset Management LP66,223$1.39M0.03%−38,167−36.6%Reduced
Jane Street Group, LLC62,290$1.31M0.00%−6,733−9.8%Reduced
Natixis60,000$1.26M0.00%00.0%Unchanged
ExodusPoint Capital Management, LP57,696$1.21M0.01%+57,696New
CenterBook Partners LP56,092$1.18M0.69%+56,092New
Verition Fund Management LLC55,597$1.17M0.01%−39,649−41.6%Reduced
Ergoteles LLC54,702$1.15M0.04%+54,702New
Arrowstreet Capital, Limited Partnership53,156$1.11M0.00%+53,156New
Renaissance Group LLC51,223$1.07M0.04%+12,468+32.2%Added
GWM Asset Management Ltd49,700$1.04M0.94%00.0%Unchanged
American Century Companies Inc49,285$1.03M0.00%−1,107−2.2%Reduced
Privium Fund Management (UK) Ltd51,854$994.0K0.78%00.0%Unchanged
Sather Financial Group Inc45,379$952.0K0.08%+21,505+90.1%Added
Gsa Capital Partners LLP44,564$935.0K0.12%+19,965+81.2%Added
Northern Trust Corp43,998$923.0K0.00%+1,841+4.4%Added
Alpha Paradigm Partners, LLC42,816$898.0K0.36%+42,816New
Invesco Ltd.42,264$886.0K0.00%−2,439−5.5%Reduced
Prelude Capital Management, LLC38,096$799.0K0.04%−934−2.4%Reduced
California State Teachers Retirement System35,307$740.0K0.00%+1,197+3.5%Added
Centiva Capital, LP34,317$720.0K0.05%−2,794−7.5%Reduced
Bluefin Capital Management, LLC29,610$621.0K0.05%−10,178−25.6%Reduced
Marshall Wace, LLP28,333$594.0K0.00%−23,801−45.7%Reduced
UBS Asset Management Americas Inc27,478$576.2K0.00%+2,802+11.4%Added
Parametric Portfolio Associates LLC26,100$547.0K0.00%−3,251−11.1%Reduced
Diametric Capital, LP25,857$542.0K0.41%+25,857New
Belvedere Trading LLC28,759$518.0K0.12%+6,077+26.8%Added
Credit Suisse AG24,394$511.0K0.00%−107,266−81.5%Reduced
Occudo Quantitative Strategies LP23,839$500.0K0.04%+12,724+114.5%Added
Brinker Capital Investments, LLC22,537$473.0K0.01%+341+1.5%Added
Advisor Group Holdings, Inc.21,054$441.0K0.00%+1,800+9.3%Added
Equitec Proprietary Markets, LLC21,000$440.0K0.23%−9,500−31.1%Reduced
Picton Mahoney Asset Management20,900$438.0K0.02%+20,900New
Investors Research Corp19,100$401.0K0.12%00.0%Unchanged
Mass Ave Global Inc.18,735$393.0K0.21%+18,735New
Wolverine Trading, LLC17,788$373.0K0.01%+17,788New