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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 2023

Institutional positions in Magnachip Semiconductor Corp as of Dec 31, 2023. 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
122
+6 vs. Q3 2023
Shares held
28.5M
−653.6K (−2.2%) vs. Q3 2023
Total value
$214.7M
−$27.4M (−11.3%) vs. Q3 2023
New holders
20
40 more added
Sold out
14
42 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 122 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 2023: $214.7M
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 2023

Shares, value and share of portfolio for each institution holding Magnachip Semiconductor Corp; share changes are against Q3 2023.

Institutions holding MX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Oaktree Capital Management LPSuperinvestorOaktree Capital2,849,858$21.4M0.34%00.0%Unchanged
Alliancebernstein L.P.2,278,109$17.1M0.01%−30,888−1.3%Reduced
Systematic Financial Management LP2,090,087$15.7M0.47%−88,077−4.0%Reduced
Dimensional Fund Advisors LP1,683,024$12.6M0.00%−107,176−6.0%Reduced
B. Riley Asset Management, LLC1,106,602$9.41M3.41%+290,508+35.6%Added
Clearline Capital LP1,221,688$9.16M1.02%−5,779−0.5%Reduced
Toronado Partners, LLC1,168,154$8.76M4.61%−622,821−34.8%Reduced
Vanguard Group Inc1,020,636$7.65M0.00%−9,181−0.9%Reduced
Quinn Opportunity Partners LLC763,619$5.73M0.66%−25,000−3.2%Reduced
State of Wisconsin Investment Board752,509$5.64M0.02%−1,349−0.2%Reduced
S Squared Technology, LLC689,715$5.17M2.51%00.0%Unchanged
Ameriprise Financial Inc601,935$4.51M0.00%+238,560+65.7%Added
Morgan Stanley545,053$4.09M0.00%−220,508−28.8%Reduced
Boothbay Fund Management, LLC537,774$4.03M0.15%+104,382+24.1%Added
Charles Schwab Investment Management Inc536,305$4.02M0.00%+181,414+51.1%Added
Two Sigma Advisers, LP505,438$3.79M0.01%+193,700+62.1%Added
Marshall Wace, LLP498,317$3.74M0.01%+164,044+49.1%Added
Two Sigma Investments, LP489,735$3.67M0.01%+263,753+116.7%Added
Millennium Management LLC480,355$3.60M0.00%+80,436+20.1%Added
Renaissance Technologies LLC437,688$3.28M0.01%+350,900+404.3%Added
Kennedy Capital Management, Inc.403,382$3.03M0.07%+20,707+5.4%Added
Goldman Sachs Group Inc378,775$2.84M0.00%+15,345+4.2%Added
Polunin Capital Partners Ltd375,495$2.82M0.53%+157,683+72.4%Added
Walleye Capital LLC359,870$2.70M0.04%−40,324−10.1%Reduced
AQR Capital Management LLC354,980$2.66M0.01%+46,040+14.9%Added
Grizzlyrock Capital, LLC328,319$2.46M1.85%+328,319New
BlackRock Inc.307,369$2.31M0.00%+37,608+13.9%Added
Bridgeway Capital Management, LLC306,223$2.30M0.05%−9,152−2.9%Reduced
FMR LLC282,822$2.12M0.00%+282,817+5,656,340.0%Added
Gabelli Funds LLC265,932$1.99M0.02%−32,178−10.8%Reduced
Susquehanna International Group, LLP249,665$1.87M0.00%+33,801+15.7%Added
Healthcare of Ontario Pension Plan Trust Fund235,900$1.77M0.01%00.0%Unchanged
Norges Bank226,700$1.70M0.00%00.0%Unchanged
Silverback Asset Management LLC220,000$1.65M0.24%00.0%Unchanged
BNP Paribas Arbitrage, SA196,838$1.48M0.00%+8,266+4.4%Added
Rice Hall James & Associates, LLC195,378$1.47M0.08%−8,877−4.3%Reduced
Empowered Funds, LLC176,223$1.32M0.03%+15,848+9.9%Added
Gabelli & Co Investment Advisers, Inc.164,345$1.23M0.23%−52,334−24.2%Reduced
Fisher Asset Management, LLC148,401$1.11M0.00%00.0%Unchanged
Balyasny Asset Management LLC142,530$1.07M0.00%+189+0.1%Added
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial125,000$937.5K0.06%00.0%Unchanged
Invesco Ltd.123,783$928.4K0.00%+1,360+1.1%Added
State Street Corp113,917$854.4K0.00%−2,208−1.9%Reduced
Anson Funds Management LP108,147$811.1K0.17%+108,147New
D. E. Shaw & Co., Inc.106,958$802.2K0.00%+21,195+24.7%Added
Citadel Advisors LLC103,631$777.2K0.00%+87,197+530.6%Added
JPMorgan Chase & Co100,196$751.5K0.00%+50,346+101.0%Added
Yakira Capital Management, Inc.98,700$740.3K0.24%00.0%Unchanged
Algert Global LLC85,175$638.8K0.03%+3,550+4.3%Added
Greenwood Capital Associates LLC83,902$629.3K0.08%−319−0.4%Reduced
Bank of America Corp79,514$596.4K0.00%+13,662+20.7%Added
Swiss National Bank79,400$595.5K0.00%−13,100−14.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.77,888$584.2K0.00%+9,612+14.1%Added
Credit Suisse AG76,291$572.2K0.00%+11,429+17.6%Added
BCK Capital Management LP74,268$557.0K0.55%00.0%Unchanged
Jump Financial, LLC68,135$511.0K0.02%+47,935+237.3%Added
Cubist Systematic Strategies, LLC65,827$493.7K0.01%+65,827New
Northern Trust Corp59,796$448.5K0.00%−12,607−17.4%Reduced
Brinker Capital Investments, LLC56,906$418.3K0.00%−20,197−26.2%Reduced
Orion Portfolio Solutions, LLC56,906$418.3K0.00%−20,197−26.2%Reduced
Thompson Siegel & Walmsley LLC55,454$416.0K0.01%−738,869−93.0%Reduced
Squarepoint Ops LLC55,000$412.5K0.00%+34,744+171.5%Added
Dynamic Technology Lab Private Ltd49,917$374.0K0.04%+49,917New
CenterBook Partners LP47,847$358.9K0.04%−13,862−22.5%Reduced
Cetera Advisors LLC46,161$346.2K0.00%−10,805−19.0%Reduced
Covestor Ltd45,898$344.0K0.24%+1,202+2.7%Added
Trexquant Investment LP44,740$335.6K0.01%−3,832−7.9%Reduced
Diametric Capital, LP40,817$306.1K0.19%−351−0.9%Reduced
American Century Companies Inc38,217$286.6K0.00%+9,345+32.4%Added
UBS Asset Management Americas Inc37,071$278.0K0.00%00.0%Unchanged
UBS Group AG36,839$276.3K0.00%−10,384−22.0%Reduced
California State Teachers Retirement System36,563$274.2K0.00%−793−2.1%Reduced
Sather Financial Group Inc36,504$273.8K0.02%−18,460−33.6%Reduced
Gsa Capital Partners LLP34,798$261.0K0.02%+34,798New
River & Mercantile Asset Management LLP33,750$253.3K0.05%+33,750New
Quantbot Technologies LP33,640$252.3K0.01%+29,356+685.2%Added
ExodusPoint Capital Management, LP29,035$218.0K0.00%+29,035New
Legal & General Group Plc28,778$215.8K0.00%00.0%Unchanged
Aristides Capital LLC23,578$176.8K0.09%+23,578New
Quadrature Capital Ltd22,255$167.1K0.00%+22,255New
Altfest L J & Co Inc22,000$165.0K0.02%+22,000New
Verition Fund Management LLC21,902$164.3K0.00%+21,902New
Caxton Associates LP21,784$163.4K0.01%00.0%Unchanged
HighTower Advisors, LLC21,046$158.0K0.00%−18,954−47.4%Reduced
Centiva Capital, LP20,000$150.0K0.01%00.0%Unchanged
Janus Henderson Group PLC18,847$141.4K0.00%00.0%Unchanged
Group One Trading, L.P.18,850$141.4K0.00%−10,935−36.7%Reduced
Investors Research Corp18,800$141.0K0.03%−300−1.6%Reduced
The PNC Financial Services Group, Inc.18,400$138.0K0.00%−500−2.6%Reduced
Simplex Trading, LLC18,158$136.0K0.00%+16,223+838.4%Added
Prelude Capital Management, LLC16,869$126.5K0.01%+575+3.5%Added
Quest Partners LLC15,136$113.5K0.02%+15,136New
XTX Topco Ltd14,394$108.0K0.02%+14,394New
J.W. Cole Advisors, Inc.14,050$105.4K0.01%+14,050New
Moran Wealth Management, LLC11,845$88.8K0.00%+1,458+14.0%Added
Atria Wealth Solutions, Inc.11,423$85.7K0.00%−1,452−11.3%Reduced
Gamco Investors, Inc. Et Al11,350$85.1K0.00%00.0%Unchanged
Arizona State Retirement System11,254$84.4K0.00%−780−6.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)11,248$84.4K0.00%+3,024+36.8%Added
West Tower Group, LLC9,747$73.1K0.15%+9,747New