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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 2023

Institutional positions in Magnachip Semiconductor Corp as of Sep 30, 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
117
+3 vs. Q2 2023
Shares held
29.2M
−617.1K (−2.1%) vs. Q2 2023
Total value
$242.3M
−$90.5M (−27.2%) vs. Q2 2023
New holders
12
34 more added
Sold out
9
36 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 117 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 2023: $242.3M
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 2023

Shares, value and share of portfolio for each institution holding Magnachip Semiconductor Corp; share changes are against Q2 2023.

Institutions holding MX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Oaktree Capital Management LPSuperinvestorOaktree Capital2,849,858$23.7M0.36%00.0%Unchanged
Alliancebernstein L.P.2,308,997$19.2M0.01%−709,106−23.5%Reduced
Systematic Financial Management LP2,178,164$18.1M0.58%−38,223−1.7%Reduced
Toronado Partners, LLC1,790,975$14.9M8.44%−254,187−12.4%Reduced
Dimensional Fund Advisors LP1,790,200$14.9M0.00%+41,226+2.4%Added
Clearline Capital LP1,227,467$10.2M1.01%+27,101+2.3%Added
Vanguard Group Inc1,029,817$8.56M0.00%+30,750+3.1%Added
Rubric Capital Management LP967,867$8.04M0.34%00.0%Unchanged
B. Riley Asset Management, LLC816,094$6.78M2.70%+186,200+29.6%Added
Thompson Siegel & Walmsley LLC794,323$6.60M0.11%+95,231+13.6%Added
Quinn Opportunity Partners LLC788,619$6.55M0.87%+9,752+1.3%Added
Morgan Stanley765,561$6.36M0.00%−17,719−2.3%Reduced
State of Wisconsin Investment Board753,858$6.26M0.02%+1,805+0.2%Added
S Squared Technology, LLC689,715$5.73M3.09%00.0%Unchanged
Water Island Capital LLC548,784$4.56M0.41%−38,414−6.5%Reduced
Boothbay Fund Management, LLC433,392$3.60M0.13%+76,200+21.3%Added
Walleye Capital LLC400,194$3.33M0.05%−75,381−15.9%Reduced
Millennium Management LLC399,919$3.32M0.00%+185,502+86.5%Added
Kennedy Capital Management, Inc.382,675$3.18M0.08%+13,920+3.8%Added
Goldman Sachs Group Inc363,430$3.02M0.00%−121,099−25.0%Reduced
Ameriprise Financial Inc363,375$3.02M0.00%−40,914−10.1%Reduced
Charles Schwab Investment Management Inc354,891$2.95M0.00%+136,122+62.2%Added
Maven Securities LTD350,000$2.91M0.32%+350,000New
Marshall Wace, LLP334,273$2.78M0.01%−32,098−8.8%Reduced
Bridgeway Capital Management, LLC315,375$2.62M0.06%+13,114+4.3%Added
Two Sigma Advisers, LP311,738$2.59M0.01%−68,700−18.1%Reduced
AQR Capital Management LLC308,940$2.57M0.01%+106,437+52.6%Added
Gabelli Funds LLC298,110$2.48M0.02%00.0%Unchanged
BlackRock Inc.269,761$2.24M0.00%−11,414−4.1%Reduced
Healthcare of Ontario Pension Plan Trust Fund235,900$1.96M0.01%00.0%Unchanged
Norges Bank226,700$1.88M0.00%00.0%Unchanged
Two Sigma Investments, LP225,982$1.88M0.01%−137,913−37.9%Reduced
Silverback Asset Management LLC220,000$1.83M0.25%00.0%Unchanged
Polunin Capital Partners Ltd217,812$1.81M0.41%00.0%Unchanged
Gabelli & Co Investment Advisers, Inc.216,679$1.80M0.29%00.0%Unchanged
Susquehanna International Group, LLP215,864$1.79M0.00%−3,126−1.4%Reduced
Rice Hall James & Associates, LLC204,255$1.70M0.11%−570.0%Reduced
BNP Paribas Arbitrage, SA188,572$1.57M0.00%+88,155+87.8%Added
Empowered Funds, LLC160,375$1.33M0.04%+13,114+8.9%Added
Kepos Capital LP150,000$1.25M0.22%00.0%Unchanged
Fisher Asset Management, LLC148,401$1.23M0.00%00.0%Unchanged
Balyasny Asset Management LLC142,341$1.18M0.00%00.0%Unchanged
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial125,000$1.04M0.06%00.0%Unchanged
Invesco Ltd.122,423$1.02M0.00%+960+0.8%Added
State Street Corp116,125$965.0K0.00%+600+0.5%Added
Yakira Capital Management, Inc.98,700$820.2K0.22%00.0%Unchanged
Swiss National Bank92,500$768.7K0.00%00.0%Unchanged
Renaissance Technologies LLC86,788$721.0K0.00%−27,400−24.0%Reduced
D. E. Shaw & Co., Inc.85,763$712.7K0.00%−51,804−37.7%Reduced
Greenwood Capital Associates LLC84,221$699.9K0.10%−93−0.1%Reduced
Algert Global LLC81,625$678.3K0.03%+48,090+143.4%Added
Brinker Capital Investments, LLC77,103$640.7K0.01%+4,150+5.7%Added
Orion Portfolio Solutions, LLC77,103$640.7K0.01%+4,150+5.7%Added
BCK Capital Management LP74,268$617.2K0.31%+18,566+33.3%Added
Northern Trust Corp72,403$601.7K0.00%−1,079−1.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.68,276$567.4K0.00%−27,910−29.0%Reduced
Bank of America Corp65,852$547.2K0.00%+25,823+64.5%Added
Credit Suisse AG64,862$539.0K0.00%−2,272−3.4%Reduced
CenterBook Partners LP61,709$512.8K0.06%+13,691+28.5%Added
Cetera Advisors LLC56,966$473.4K0.01%−3,141−5.2%Reduced
Sather Financial Group Inc54,964$456.8K0.04%+1,585+3.0%Added
JPMorgan Chase & Co49,850$414.3K0.00%+49,610+20,670.8%Added
Trexquant Investment LP48,572$403.6K0.01%−9,424−16.2%Reduced
UBS Group AG47,223$392.4K0.00%+5,960+14.4%Added
Covestor Ltd44,696$371.0K0.28%+6,307+16.4%Added
Diametric Capital, LP41,168$342.1K0.14%+41,168New
HighTower Advisors, LLC40,000$332.0K0.00%−2,500−5.9%Reduced
California State Teachers Retirement System37,356$310.4K0.00%−41−0.1%Reduced
UBS Asset Management Americas Inc37,071$308.1K0.00%00.0%Unchanged
PDT Partners, LLC31,449$261.3K0.03%00.0%Unchanged
Group One Trading, L.P.29,785$247.5K0.01%−40,590−57.7%Reduced
First Republic Investment Management, Inc.29,389$244.2K0.00%−4,461−13.2%Reduced
American Century Companies Inc28,872$239.9K0.00%+7,273+33.7%Added
Legal & General Group Plc28,778$239.1K0.00%00.0%Unchanged
Caxton Associates LP21,784$181.0K0.03%00.0%Unchanged
Squarepoint Ops LLC20,256$168.3K0.00%−22,416−52.5%Reduced
Jump Financial, LLC20,200$167.9K0.01%−15,800−43.9%Reduced
Centiva Capital, LP20,000$166.2K0.01%00.0%Unchanged
Investors Research Corp19,100$158.7K0.04%00.0%Unchanged
The PNC Financial Services Group, Inc.18,900$157.1K0.00%00.0%Unchanged
Janus Henderson Group PLC18,847$156.8K0.00%00.0%Unchanged
Wells Fargo & Company18,525$153.9K0.00%−1,848−9.1%Reduced
Citadel Advisors LLC16,434$136.6K0.00%−18,360−52.8%Reduced
Prelude Capital Management, LLC16,294$135.4K0.01%+16,294New
Citizens Financial Group Inc16,000$133.0K0.01%00.0%Unchanged
Aigen Investment Management, LP14,983$124.5K0.02%+14,983New
Atria Wealth Solutions, Inc.12,875$107.0K0.00%+1,400+12.2%Added
Arizona State Retirement System12,034$100.0K0.00%+93+0.8%Added
Jane Street Group, LLC11,804$98.1K0.00%+11,804New
Gamco Investors, Inc. Et Al11,350$94.3K0.00%00.0%Unchanged
Moran Wealth Management, LLC10,387$86.3K0.00%+10,387New
Leonteq Securities AG10,000$83.1K0.01%00.0%Unchanged
Royal Bank of Canada9,147$76.0K0.00%00.0%Unchanged
Qube Research & Technologies Ltd8,716$72.4K0.00%−5,292−37.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)8,224$68.3K0.00%00.0%Unchanged
Barclays PLC7,745$64.4K0.00%+91+1.2%Added
Quent Capital, LLC7,000$58.2K0.01%00.0%Unchanged
Deutsche Bank AG4,641$38.6K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.4,300$35.7K0.02%00.0%Unchanged
Quantbot Technologies LP4,284$35.6K0.00%+4,284New