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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, Q1 2023

Institutional positions in Magnachip Semiconductor Corp as of Mar 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
116
+1 vs. Q4 2022
Shares held
29.9M
−945.6K (−3.1%) vs. Q4 2022
Total value
$279.9M
−$9.67M (−3.3%) vs. Q4 2022
New holders
16
40 more added
Sold out
15
37 more reduced

3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 116 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 heldQ1 2023: $279.9M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Magnachip Semiconductor Corp; share changes are against Q4 2022.

Institutions holding MX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Alliancebernstein L.P.3,006,706$27.9M0.01%−184,200−5.8%Reduced
Toronado Partners, LLC2,731,584$25.3M9.27%+39,323+1.5%Added
Oaktree Capital Management LPSuperinvestorOaktree Capital2,300,000$21.3M0.24%00.0%Unchanged
Systematic Financial Management LP2,225,693$20.7M0.68%+38,241+1.7%Added
Rubric Capital Management LP1,683,462$15.6M0.62%−266,638−13.7%Reduced
Dimensional Fund Advisors LP1,496,116$13.9M0.00%+217,723+17.0%Added
Clearline Capital LP1,199,412$11.1M1.68%+66,996+5.9%Added
Quinn Opportunity Partners LLC860,867$7.99M0.85%00.0%Unchanged
Thompson Siegel & Walmsley LLC818,734$7.60M0.12%−122,631−13.0%Reduced
Morgan Stanley766,375$7.11M0.00%+162,394+26.9%Added
State of Wisconsin Investment Board689,351$6.40M0.02%−370.0%Reduced
S Squared Technology, LLC673,620$6.25M3.71%+10,000+1.5%Added
Kite Lake Capital Management (UK) LLP646,107$6.00M6.41%−94,893−12.8%Reduced
B. Riley Asset Management, LLC634,606$5.89M2.44%+101,206+19.0%Added
Water Island Capital LLC593,222$5.51M0.45%−20,006−3.3%Reduced
Goldman Sachs Group Inc500,478$4.64M0.00%+8,341+1.7%Added
Ameriprise Financial Inc448,601$4.16M0.00%+11,620+2.7%Added
Vanguard Group Inc441,233$4.09M0.00%−186,449−29.7%Reduced
Two Sigma Advisers, LP405,138$3.76M0.01%−11,000−2.6%Reduced
Kennedy Capital Management, Inc.351,880$3.27M0.10%−36,000−9.3%Reduced
Boothbay Fund Management, LLC348,097$3.23M0.09%+9,584+2.8%Added
AQR Capital Management LLC332,183$3.08M0.01%−153,997−31.7%Reduced
Gabelli Funds LLC298,110$2.77M0.02%+13,150+4.6%Added
Bridgeway Capital Management, LLC297,115$2.76M0.07%+42,115+16.5%Added
Walleye Capital LLC287,780$2.67M0.05%+262,261+1,027.7%Added
Two Sigma Investments, LP281,935$2.62M0.01%−20,510−6.8%Reduced
Susquehanna International Group, LLP272,484$2.53M0.00%+6,936+2.6%Added
Man Group plc–$2.50M0.01%––
Millennium Management LLC261,694$2.43M0.00%−209,191−44.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund235,900$2.19M0.01%00.0%Unchanged
Rice Hall James & Associates, LLC227,689$2.11M0.12%−4,522−1.9%Reduced
BlackRock Inc.221,287$2.05M0.00%−48,207−17.9%Reduced
Silverback Asset Management LLC220,000$2.04M0.33%00.0%Unchanged
Gabelli & Co Investment Advisers, Inc.216,679$2.01M0.39%+52,900+32.3%Added
Polunin Capital Partners Ltd211,712$1.96M0.41%00.0%Unchanged
Balyasny Asset Management LLC182,452$1.69M0.01%+182,452New
D. E. Shaw & Co., Inc.181,318$1.68M0.00%+58,229+47.3%Added
Citadel Advisors LLC175,647$1.63M0.00%+54,648+45.2%Added
Fisher Asset Management, LLC148,401$1.38M0.00%00.0%Unchanged
CenterBook Partners LP137,060$1.27M0.18%+44,074+47.4%Added
Renaissance Technologies LLC136,587$1.27M0.00%+108,744+390.6%Added
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial125,000$1.16M0.07%00.0%Unchanged
Invesco Ltd.122,346$1.14M0.00%+52,023+74.0%Added
State Street Corp117,105$1.09M0.00%−4,207−3.5%Reduced
Charles Schwab Investment Management Inc108,885$1.01M0.00%+108,885New
First Republic Investment Management, Inc.100,346$931.2K0.00%−37,955−27.4%Reduced
Yakira Capital Management, Inc.98,700$915.9K0.23%−10,000−9.2%Reduced
GWM Asset Management Ltd98,650$915.5K1.86%00.0%Unchanged
Swiss National Bank95,300$884.4K0.00%−12,300−11.4%Reduced
Gsa Capital Partners LLP91,145$846.0K0.08%+91,145New
Group One Trading, L.P.85,117$789.9K0.04%−37,914−30.8%Reduced
Greenwood Capital Associates LLC79,967$742.1K0.11%−1,409−1.7%Reduced
Centiva Capital, LP79,306$736.0K0.04%+9,306+13.3%Added
Marshall Wace, LLP75,189$697.8K0.00%+75,189New
BCK Capital Management LP74,269$689.2K0.60%+10,527+16.5%Added
Brinker Capital Investments, LLC73,692$683.9K0.01%−205−0.3%Reduced
Orion Portfolio Solutions, LLC73,692$683.9K0.01%+73,692New
HighTower Advisors, LLC70,000$650.0K0.00%−52,000−42.6%Reduced
Qube Research & Technologies Ltd66,742$619.4K0.00%−54,653−45.0%Reduced
Natixis62,500$580.0K0.01%−60,000−49.0%Reduced
Cetera Advisors LLC62,082$576.1K0.01%+2,800+4.7%Added
Sather Financial Group Inc53,379$495.4K0.04%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.50,129$465.2K0.00%+12,727+34.0%Added
Bank of America Corp44,551$413.4K0.00%−1,503−3.3%Reduced
PDT Partners, LLC43,894$407.3K0.06%+8,968+25.7%Added
UBS Group AG41,506$385.2K0.00%−1,126−2.6%Reduced
Squarepoint Ops LLC40,201$373.1K0.00%+40,201New
Northern Trust Corp39,316$364.9K0.00%−9,236−19.0%Reduced
California State Teachers Retirement System38,807$360.1K0.00%−209−0.5%Reduced
Caxton Associates LP38,408$356.4K0.06%+19,911+107.6%Added
Covestor Ltd37,813$351.0K0.31%+6,778+21.8%Added
Diametric Capital, LP37,260$345.8K0.17%+6,346+20.5%Added
UBS Asset Management Americas Inc37,071$344.0K0.00%00.0%Unchanged
Credit Suisse AG36,843$341.9K0.00%+3,011+8.9%Added
Y-Intercept (Hong Kong) Ltd35,137$326.1K0.04%+35,137New
Walleye Trading LLC29,563$274.3K0.01%+7,192+32.1%Added
Simplex Trading, LLC26,524$246.0K0.01%−31,779−54.5%Reduced
Wells Fargo & Company20,175$187.2K0.00%−2,763−12.0%Reduced
Cutler Group LP19,503$180.0K0.03%+13,803+242.2%Added
Investors Research Corp19,100$177.2K0.05%00.0%Unchanged
The PNC Financial Services Group, Inc.18,900$175.4K0.00%00.0%Unchanged
Janus Henderson Group PLC18,847$175.0K0.00%+18,847New
Verition Fund Management LLC17,309$160.6K0.00%+17,309New
Quantbot Technologies LP17,152$159.2K0.01%+5,066+41.9%Added
Trexquant Investment LP16,801$155.9K0.00%−2,660−13.7%Reduced
Aristides Capital LLC16,066$149.1K0.09%+16,066New
Citizens Financial Group Inc16,000$148.5K0.01%+16,000New
Prelude Capital Management, LLC15,300$142.0K0.01%−18,156−54.3%Reduced
Atria Wealth Solutions, Inc.14,781$137.2K0.00%00.0%Unchanged
Legal & General Group Plc14,441$134.0K0.00%+1,183+8.9%Added
Arizona State Retirement System12,800$118.8K0.00%+130+1.0%Added
Royal Bank of Canada12,150$113.0K0.00%+4,511+59.1%Added
American Century Companies Inc12,414$113.0K0.00%+2,332+23.1%Added
Jane Street Group, LLC11,910$110.5K0.00%−73,024−86.0%Reduced
Gamco Investors, Inc. Et Al11,350$105.3K0.00%+11,350New
Leonteq Securities AG10,000$92.8K0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)8,224$76.3K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.7,772$72.1K0.00%−6,051−43.8%Reduced
Quent Capital, LLC7,000$63.7K0.01%+4,000+133.3%Added
BNP Paribas Arbitrage, SA6,762$62.8K0.00%+5,508+439.2%Added