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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
BNP Paribas Arbitrage, SA40$8390.00%−688−94.5%Reduced
American Portfolios Advisors100$2.10K0.00%00.0%Unchanged
Jefferies Group LLC100$2.10K0.00%+100New
US Bancorp200$4.00K0.00%00.0%Unchanged
JPMorgan Chase & Co217$5.00K0.00%−184,676−99.9%Reduced
Stonebridge Financial Planning Group, LLC265$5.00K0.00%+265New
Wolverine Asset Management LLC373$7.00K0.00%−1,700−82.0%Reduced
Citigroup Inc770$16.0K0.00%+2+0.3%Added
Royal Bank of Canada1,730$37.0K0.00%+596+52.6%Added
Great West Life Assurance Co2,306$48.0K0.00%00.0%Unchanged
PenderFund Capital Management Ltd.2,100$56.0K0.01%+2,100New
State of Wyoming2,658$56.0K0.03%+2,658New
Walleye Trading LLC2,972$62.0K0.00%−4,195−58.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)3,664$77.0K0.00%00.0%Unchanged
Shell Asset Management Co4,353$91.0K0.00%−52−1.2%Reduced
Simplex Trading, LLC5,303$111.0K0.00%+5,303New
HRT Financial LP9,958$208.0K0.00%−94,481−90.5%Reduced
Engineers Gate Manager LP10,730$225.0K0.01%+10,730New
Mint Tower Capital Management B.V.10,918$229.0K0.04%−5,890−35.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.10,958$230.0K0.00%+10,958New
Jump Financial, LLC11,146$233.0K0.01%+11,146New
Arizona State Retirement System11,252$236.0K0.00%−107−0.9%Reduced
Shay Capital LLC11,280$237.0K0.09%+732+6.9%Added
Legal & General Group Plc11,578$243.0K0.00%−273,814−95.9%Reduced
Wells Fargo & Company11,684$245.0K0.00%+7,329+168.3%Added
Walleye Capital LLC11,916$250.0K0.01%+1,001+9.2%Added
SkyView Investment Advisors, LLC12,414$260.0K0.06%00.0%Unchanged
Clear Harbor Asset Management, LLC13,100$275.0K0.03%−72,140−84.6%Reduced
The PNC Financial Services Group, Inc.13,500$284.0K0.00%00.0%Unchanged
NinePointTwo Capital15,403$323.0K0.10%+15,403New
Susquehanna Fundamental Investments, LLC15,817$332.0K0.01%−1,159−6.8%Reduced
Wolverine Trading, LLC17,788$373.0K0.01%+17,788New
Mass Ave Global Inc.18,735$393.0K0.21%+18,735New
Investors Research Corp19,100$401.0K0.12%00.0%Unchanged
Picton Mahoney Asset Management20,900$438.0K0.02%+20,900New
Equitec Proprietary Markets, LLC21,000$440.0K0.23%−9,500−31.1%Reduced
Advisor Group Holdings, Inc.21,054$441.0K0.00%+1,800+9.3%Added
Brinker Capital Investments, LLC22,537$473.0K0.01%+341+1.5%Added
Occudo Quantitative Strategies LP23,839$500.0K0.04%+12,724+114.5%Added
Credit Suisse AG24,394$511.0K0.00%−107,266−81.5%Reduced
Belvedere Trading LLC28,759$518.0K0.12%+6,077+26.8%Added
Diametric Capital, LP25,857$542.0K0.41%+25,857New
Parametric Portfolio Associates LLC26,100$547.0K0.00%−3,251−11.1%Reduced
UBS Asset Management Americas Inc27,478$576.2K0.00%+2,802+11.4%Added
Marshall Wace, LLP28,333$594.0K0.00%−23,801−45.7%Reduced
Bluefin Capital Management, LLC29,610$621.0K0.05%−10,178−25.6%Reduced
Centiva Capital, LP34,317$720.0K0.05%−2,794−7.5%Reduced
California State Teachers Retirement System35,307$740.0K0.00%+1,197+3.5%Added
Prelude Capital Management, LLC38,096$799.0K0.04%−934−2.4%Reduced
Invesco Ltd.42,264$886.0K0.00%−2,439−5.5%Reduced
Alpha Paradigm Partners, LLC42,816$898.0K0.36%+42,816New
Northern Trust Corp43,998$923.0K0.00%+1,841+4.4%Added
Gsa Capital Partners LLP44,564$935.0K0.12%+19,965+81.2%Added
Sather Financial Group Inc45,379$952.0K0.08%+21,505+90.1%Added
Privium Fund Management (UK) Ltd51,854$994.0K0.78%00.0%Unchanged
American Century Companies Inc49,285$1.03M0.00%−1,107−2.2%Reduced
GWM Asset Management Ltd49,700$1.04M0.94%00.0%Unchanged
Renaissance Group LLC51,223$1.07M0.04%+12,468+32.2%Added
Arrowstreet Capital, Limited Partnership53,156$1.11M0.00%+53,156New
Ergoteles LLC54,702$1.15M0.04%+54,702New
Verition Fund Management LLC55,597$1.17M0.01%−39,649−41.6%Reduced
CenterBook Partners LP56,092$1.18M0.69%+56,092New
ExodusPoint Capital Management, LP57,696$1.21M0.01%+57,696New
Natixis60,000$1.26M0.00%00.0%Unchanged
Jane Street Group, LLC62,290$1.31M0.00%−6,733−9.8%Reduced
Weiss Asset Management LP66,223$1.39M0.03%−38,167−36.6%Reduced
Greenwood Capital Associates LLC74,051$1.55M0.22%+5,301+7.7%Added
Sarissa Consulting LLC76,000$1.59M2.05%+76,000New
Westchester Capital Management, LLC85,101$1.78M0.05%−620,963−87.9%Reduced
D. E. Shaw & Co., Inc.89,279$1.87M0.00%−2,481−2.7%Reduced
Swiss National Bank91,500$1.92M0.00%00.0%Unchanged
State Street Corp91,776$1.93M0.00%−11,998−11.6%Reduced
Renaissance Technologies LLC92,288$1.94M0.00%+92,288New
Group One Trading, L.P.93,468$1.96M0.04%−52,845−36.1%Reduced
Balyasny Asset Management LLC93,757$1.97M0.01%+550+0.6%Added
HighTower Advisors, LLC95,000$1.99M0.00%−2,541−2.6%Reduced
First Republic Investment Management, Inc.97,931$2.05M0.00%−1,220−1.2%Reduced
Alpine Global Management, LLC99,313$2.08M0.31%−136,626−57.9%Reduced
S. Muoio & Co. LLC99,520$2.09M2.16%+99,520New
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial100,000$2.10M0.07%+43,800+77.9%Added
Susquehanna International Group, LLP100,435$2.11M0.00%+64,911+182.7%Added
Portolan Capital Management, LLC133,694$2.80M0.19%+133,694New
Two Sigma Advisers, LP134,338$2.82M0.01%−113,600−45.8%Reduced
Bank of America Corp137,899$2.89M0.00%+132,245+2,339.0%Added
Silverback Asset Management LLC141,013$2.96M0.35%−110,000−43.8%Reduced
B. Riley Asset Management, LLC142,199$2.98M1.57%+142,199New
Athos Capital Ltd146,575$3.07M1.08%−206,559−58.5%Reduced
BlackRock Inc.149,810$3.14M0.00%+7,278+5.1%Added
Goldman Sachs Group Inc150,984$3.17M0.00%−365,600−70.8%Reduced
Gabelli & Co Investment Advisers, Inc.151,745$3.18M0.42%+4,125+2.8%Added
IndexIQ Advisors LLC163,402$3.43M0.11%−7,912−4.6%Reduced
Segantii Capital Management Ltd165,000$3.46M0.11%+90,000+120.0%Added
Rice Hall James & Associates, LLC176,130$3.69M0.13%+56,506+47.2%Added
Philosophy Capital Management LLC183,164$3.84M1.49%+183,164New
Kite Lake Capital Management (UK) LLP199,000$4.17M1.13%+199,000New
1492 Capital Management LLC199,093$4.17M2.07%+110,538+124.8%Added
Polunin Capital Partners Ltd222,612$4.67M1.51%+222,612New
Vanguard Group Inc227,654$4.77M0.00%+4,433+2.0%Added
K2 Principal Fund, L.P.240,000$5.03M0.62%+5,000+2.1%Added
Norges Bank266,600$5.59M0.00%+266,600New