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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
Goldman Sachs Group Inc378,775$2.84M0.00%+15,345+4.2%Added
Kennedy Capital Management, Inc.403,382$3.03M0.07%+20,707+5.4%Added
Renaissance Technologies LLC437,688$3.28M0.01%+350,900+404.3%Added
Millennium Management LLC480,355$3.60M0.00%+80,436+20.1%Added
Two Sigma Investments, LP489,735$3.67M0.01%+263,753+116.7%Added
Marshall Wace, LLP498,317$3.74M0.01%+164,044+49.1%Added
Two Sigma Advisers, LP505,438$3.79M0.01%+193,700+62.1%Added
Charles Schwab Investment Management Inc536,305$4.02M0.00%+181,414+51.1%Added
Boothbay Fund Management, LLC537,774$4.03M0.15%+104,382+24.1%Added
Morgan Stanley545,053$4.09M0.00%−220,508−28.8%Reduced
Ameriprise Financial Inc601,935$4.51M0.00%+238,560+65.7%Added
S Squared Technology, LLC689,715$5.17M2.51%00.0%Unchanged
State of Wisconsin Investment Board752,509$5.64M0.02%−1,349−0.2%Reduced
Quinn Opportunity Partners LLC763,619$5.73M0.66%−25,000−3.2%Reduced
Vanguard Group Inc1,020,636$7.65M0.00%−9,181−0.9%Reduced
Toronado Partners, LLC1,168,154$8.76M4.61%−622,821−34.8%Reduced
Clearline Capital LP1,221,688$9.16M1.02%−5,779−0.5%Reduced
B. Riley Asset Management, LLC1,106,602$9.41M3.41%+290,508+35.6%Added
Dimensional Fund Advisors LP1,683,024$12.6M0.00%−107,176−6.0%Reduced
Systematic Financial Management LP2,090,087$15.7M0.47%−88,077−4.0%Reduced
Alliancebernstein L.P.2,278,109$17.1M0.01%−30,888−1.3%Reduced
Oaktree Capital Management LPSuperinvestorOaktree Capital2,849,858$21.4M0.34%00.0%Unchanged
Quent Capital, LLC0$00.00%−7,000−100.0%Sold out
Rubric Capital Management LP0$00.00%−967,867−100.0%Sold out
Water Island Capital LLC0$00.00%−548,784−100.0%Sold out
Maven Securities LTD0$00.00%−350,000−100.0%Sold out
Kepos Capital LP0$00.00%−150,000−100.0%Sold out
PDT Partners, LLC0$00.00%−31,449−100.0%Sold out
Citizens Financial Group Inc0$00.00%−16,000−100.0%Sold out
Aigen Investment Management, LP0$00.00%−14,983−100.0%Sold out
Jane Street Group, LLC0$00.00%−11,804−100.0%Sold out
Leonteq Securities AG0$00.00%−10,000−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−8,716−100.0%Sold out
State of Wyoming0$00.00%−3,168−100.0%Sold out
Huntington National Bank0$00.00%−2,000−100.0%Sold out
US Bancorp0$00.00%−107−100.0%Sold out
First Republic Investment Management, Inc.––––Not filed