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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, Q3 2021

Institutional positions in Magnachip Semiconductor Corp as of Sep 30, 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
132
−14 vs. Q2 2021
Shares held
34.6M
+181.0K (+0.5%) vs. Q2 2021
Total value
$613.2M
−$208.1M (−25.3%) vs. Q2 2021
New holders
14
57 more added
Sold out
28
41 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 132 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 heldQ3 2021: $613.2M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Magnachip Semiconductor Corp; share changes are against Q2 2021.

Institutions holding MX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Toronado Partners, LLC2,046,979$36.4M12.78%+383,205+23.0%Added
Oaktree Capital Management LPSuperinvestorOaktree Capital2,006,537$35.6M0.52%00.0%Unchanged
Federated Hermes, Inc.1,998,604$35.5M0.07%−841,396−29.6%Reduced
Alliancebernstein L.P.1,853,418$32.9M0.01%+254,503+15.9%Added
Systematic Financial Management LP1,814,265$32.2M1.00%−20,736−1.1%Reduced
Brigade Capital Management, LP1,198,548$21.3M3.45%+168,595+16.4%Added
Water Island Capital LLC1,187,839$21.1M1.32%+644,161+118.5%Added
Quinn Opportunity Partners LLC1,156,525$20.5M1.31%+57,245+5.2%Added
Millennium Management LLC1,120,291$19.9M0.03%+148,421+15.3%Added
Morgan Stanley1,009,126$17.9M0.00%−348,349−25.7%Reduced
Mangrove Partners986,430$17.5M1.93%−5,800−0.6%Reduced
Healthcare of Ontario Pension Plan Trust Fund945,300$16.8M0.04%−66,500−6.6%Reduced
Lynrock Lake LP940,498$16.7M1.03%+692,832+279.7%Added
Ameriprise Financial Inc919,775$16.3M0.01%+44,119+5.0%Added
Rubric Capital Management LP872,308$15.5M0.89%00.0%Unchanged
Clearline Capital LP791,685$14.1M1.85%+55,036+7.5%Added
Westchester Capital Management, LLC706,064$12.5M0.40%−72,300−9.3%Reduced
S Squared Technology, LLC583,620$10.4M4.70%+45,000+8.4%Added
Dimensional Fund Advisors LP531,950$9.45M0.00%−1,106−0.2%Reduced
Goldman Sachs Group Inc516,584$9.18M0.00%−8,422−1.6%Reduced
Citadel Advisors LLC467,441$8.30M0.01%+249,394+114.4%Added
State of Wisconsin Investment Board457,680$8.13M0.02%+120,490+35.7%Added
Royce & Associates LP438,661$7.79M0.06%00.0%Unchanged
Garnet Equity Capital Holdings, Inc.522,159$7.79M7.36%+79,500+18.0%Added
Evermore Global Advisors, LLC420,357$7.47M8.76%−38,975−8.5%Reduced
Pentwater Capital Management LP410,000$7.28M0.10%+370,000+925.0%Added
Kennedy Capital Management, Inc.394,116$7.00M0.16%−57,394−12.7%Reduced
CNH Partners LLC388,225$6.89M0.20%00.0%Unchanged
Athos Capital Ltd353,134$6.27M1.75%+33,559+10.5%Added
Legal & General Group Plc285,392$5.07M0.00%+6,568+2.4%Added
North Run Capital, LP265,000$4.71M3.39%+112,000+73.2%Added
Silverback Asset Management LLC251,013$4.46M0.65%+24,048+10.6%Added
Taconic Capital Advisors LP250,000$4.44M0.17%+250,000New
Two Sigma Advisers, LP247,938$4.40M0.01%−412,400−62.5%Reduced
Alpine Global Management, LLC235,939$4.19M0.95%+83,940+55.2%Added
K2 Principal Fund, L.P.235,000$4.17M0.49%+215,000+1,075.0%Added
Inherent Group, LP225,873$4.01M1.04%+15,000+7.1%Added
Vanguard Group Inc223,221$3.96M0.00%+2,310+1.0%Added
Berry Street Capital Management LLP212,500$3.77M0.94%+137,500+183.3%Added
Man Group plc206,480$3.67M0.01%+102,412+98.4%Added
JPMorgan Chase & Co184,893$3.28M0.00%−21,639−10.5%Reduced
Gabelli Funds LLC182,508$3.24M0.02%+24,100+15.2%Added
Two Sigma Investments, LP180,939$3.21M0.01%−225,189−55.4%Reduced
IndexIQ Advisors LLC171,314$3.04M0.10%−1,647−1.0%Reduced
Gabelli & Co Investment Advisers, Inc.147,620$2.62M0.32%+5,900+4.2%Added
Group One Trading, L.P.146,313$2.60M0.06%−166,857−53.3%Reduced
BlackRock Inc.142,532$2.53M0.00%+2,024+1.4%Added
Harber Asset Management LLC139,788$2.48M0.60%−187,989−57.4%Reduced
Credit Suisse AG131,660$2.34M0.00%−8,064−5.8%Reduced
Qube Research & Technologies Ltd122,574$2.18M0.03%+36,917+43.1%Added
Rice Hall James & Associates, LLC119,624$2.13M0.08%−109−0.1%Reduced
Ramius Advisors LLC118,636$2.11M1.30%+118,636New
Barclays PLC110,380$1.96M0.00%+11,511+11.6%Added
HRT Financial LP104,439$1.85M0.01%−6,851−6.2%Reduced
Weiss Asset Management LP104,390$1.85M0.05%+41,700+66.5%Added
State Street Corp103,774$1.84M0.00%+6,789+7.0%Added
First Republic Investment Management, Inc.99,151$1.76M0.00%+7,231+7.9%Added
HighTower Advisors, LLC97,541$1.73M0.00%+62,480+178.2%Added
Verition Fund Management LLC95,246$1.69M0.03%+57,484+152.2%Added
Winton Group Ltd94,152$1.67M0.09%+18,913+25.1%Added
Balyasny Asset Management LLC93,207$1.66M0.01%+78,532+535.1%Added
D. E. Shaw & Co., Inc.91,760$1.63M0.00%−34,295−27.2%Reduced
Swiss National Bank91,500$1.63M0.00%00.0%Unchanged
1492 Capital Management LLC88,555$1.57M0.81%−6,850−7.2%Reduced
Clear Harbor Asset Management, LLC85,240$1.51M0.18%+63,040+284.0%Added
UBS Group AG81,377$1.45M0.00%+58,265+252.1%Added
HSBC Holdings PLC81,759$1.44M0.00%−579−0.7%Reduced
Segantii Capital Management Ltd75,000$1.33M0.05%+75,000New
Jane Street Group, LLC69,023$1.23M0.00%−18,533−21.2%Reduced
Greenwood Capital Associates LLC68,750$1.22M0.19%+12,483+22.2%Added
Caption Management, LLC65,000$1.15M0.08%+65,000New
BCK Capital Management LP60,945$1.08M0.65%00.0%Unchanged
Natixis60,000$1.07M0.00%00.0%Unchanged
Ionic Capital Management LLC59,000$1.05M0.16%00.0%Unchanged
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial56,200$998.0K0.03%00.0%Unchanged
Marshall Wace, LLP52,134$926.0K0.00%−20,644−28.4%Reduced
Privium Fund Management (UK) Ltd51,854$921.0K0.99%−7,237−12.2%Reduced
American Century Companies Inc50,392$895.0K0.00%−12,453−19.8%Reduced
DLD Asset Management, LP50,000$888.0K0.07%−50,000−50.0%Reduced
Lombard Odier Asset Management (USA) Corp50,000$888.0K0.13%+20,000+66.7%Added
GWM Asset Management Ltd49,700$883.0K0.54%+19,700+65.7%Added
HAP Trading, LLC45,161$802.0K0.06%+45,161New
Invesco Ltd.44,703$794.0K0.00%+1,383+3.2%Added
Northern Trust Corp42,157$748.0K0.00%+6,534+18.3%Added
Springowl Associates LLC40,582$721.0K3.16%00.0%Unchanged
Bluefin Capital Management, LLC39,788$707.0K0.08%+39,788New
Prelude Capital Management, LLC39,030$693.0K0.04%+19,099+95.8%Added
Renaissance Group LLC38,755$688.0K0.03%+4,232+12.3%Added
Centiva Capital, LP37,111$659.0K0.05%−17,432−32.0%Reduced
Schonfeld Strategic Advisors LLC37,000$657.0K0.01%−7,369−16.6%Reduced
Susquehanna International Group, LLP35,524$631.0K0.00%−38,519−52.0%Reduced
California State Teachers Retirement System34,110$606.0K0.00%+34,110New
Franklin Resources Inc32,600$579.0K0.00%+32,600New
Equitec Proprietary Markets, LLC30,500$542.0K0.29%−4,400−12.6%Reduced
Brinker Capital Investments, LLC22,196$530.0K0.01%00.0%Unchanged
Parametric Portfolio Associates LLC29,351$521.0K0.00%+6,541+28.7%Added
ARS Investment Partners, LLC27,100$481.0K0.05%+9,000+49.7%Added
UBS Asset Management Americas Inc24,676$438.2K0.00%00.0%Unchanged
Gsa Capital Partners LLP24,599$437.0K0.04%−4,077−14.2%Reduced
Sather Financial Group Inc23,874$424.0K0.04%+11,249+89.1%Added