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 2025
Institutional positions in Magnachip Semiconductor Corp as of Dec 31, 2025. 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
- 69
- −5 vs. Q3 2025
- Shares held
- 19.6M
- −3.03M (−13.4%) vs. Q3 2025
- Total value
- $50.1M
- −$20.7M (−29.2%) vs. Q3 2025
- New holders
- 13
- 15 more added
- Sold out
- 18
- 25 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 75 | $73.9M |
| Q1 2026 | 71 | $54.9M |
| Q4 2025 | 69 | $50.1M |
| Q3 2025 | 75 | $70.9M |
| Q2 2025 | 91 | $93.5M |
| Q1 2025 | 88 | $78.3M |
| Q4 2024 | 82 | $95.5M |
| Q3 2024 | 88 | $103.9M |
| Q2 2024 | 89 | $109.8M |
| Q1 2024 | 103 | $130.9M |
| Q4 2023 | 122 | $214.7M |
| Q3 2023 | 117 | $242.3M |
| Q2 2023 | 115 | $334.5M |
| Q1 2023 | 116 | $279.9M |
| Q4 2022 | 118 | $292.1M |
| Q3 2022 | 129 | $317.3M |
| Q2 2022 | 127 | $452.1M |
| Q1 2022 | 121 | $525.1M |
| Q4 2021 | 131 | $666.7M |
| Q3 2021 | 132 | $613.2M |
| Q2 2021 | 147 | $822.1M |
| Q1 2021 | 134 | $978.5M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Magnachip Semiconductor Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oaktree Capital Management LPSuperinvestorOaktree Capital | 2,849,858 | $7.27M | 0.12% | 00.0% | Unchanged |
| Immersion Corp | 1,878,828 | $4.79M | 3.28% | −864,747−31.5% | Reduced |
| Clearline Capital LP | 1,461,036 | $3.73M | 0.28% | −439,140−23.1% | Reduced |
| Ameriprise Financial Inc | 1,450,892 | $3.70M | 0.00% | +18,049+1.3% | Added |
| Marshall Wace, LLP | 1,285,832 | $3.28M | 0.00% | +412,098+47.2% | Added |
| Dimensional Fund Advisors LP | 827,859 | $2.11M | 0.00% | −184,731−18.2% | Reduced |
| First Wilshire Securities Management Inc | 732,857 | $1.87M | 0.47% | +256,211+53.8% | Added |
| Morgan Stanley | 720,630 | $1.84M | 0.00% | +38,463+5.6% | Added |
| Cygnus Capital Advisors, LLC | 610,778 | $1.56M | 1.14% | +610,778 | New |
| State of Wisconsin Investment Board | 600,017 | $1.53M | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 581,856 | $1.48M | 0.00% | +149,900+34.7% | Added |
| Goldman Sachs Group Inc | 420,817 | $1.07M | 0.00% | −68,270−14.0% | Reduced |
| Bridgeway Capital Management, LLC | 408,895 | $1.04M | 0.02% | −80,000−16.4% | Reduced |
| Polunin Capital Partners Ltd | 335,148 | $1.01M | 0.16% | −12,947−3.7% | Reduced |
| Potomac Capital Management, Inc. | 386,900 | $986.6K | 0.83% | +386,900 | New |
| BNP Paribas Arbitrage, SA | 327,568 | $835.3K | 0.00% | +11,836+3.7% | Added |
| Two Sigma Investments, LP | 312,664 | $797.3K | 0.00% | +17,359+5.9% | Added |
| Millennium Management LLC | 288,837 | $736.5K | 0.00% | +34,582+13.6% | Added |
| Prelude Capital Management, LLC | 251,627 | $641.6K | 0.05% | +251,627 | New |
| Vanguard Group Inc | 239,694 | $611.2K | 0.00% | −790,330−76.7% | Reduced |
| Two Sigma Advisers, LP | 237,938 | $606.7K | 0.00% | −52,800−18.2% | Reduced |
| Silverback Asset Management LLC | 220,000 | $561.0K | 0.08% | 00.0% | Unchanged |
| FourWorld Capital Management LLC | 216,108 | $551.1K | 0.52% | +216,108 | New |
| Oddo BHF Asset Management SAS | 215,098 | $548.5K | 0.02% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 211,799 | $540.0K | 0.05% | −73,246−25.7% | Reduced |
| BlackRock, Inc. | 208,592 | $531.9K | 0.00% | −2,782−1.3% | Reduced |
| Steward Partners Investment Advisory, LLC | 196,052 | $499.9K | 0.00% | −6,800−3.4% | Reduced |
| UBS Group AG | 179,695 | $458.2K | 0.00% | −1,975−1.1% | Reduced |
| Gabelli Funds LLC | 140,552 | $358.4K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 137,949 | $351.8K | 0.00% | −26,491−16.1% | Reduced |
| JPMorgan Chase & Co | 128,262 | $327.1K | 0.00% | +8,130+6.8% | Added |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 125,000 | $316.3K | 0.02% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 119,155 | $303.8K | 0.00% | +84,577+244.6% | Added |
| Gabelli & Co Investment Advisers, Inc. | 113,725 | $290.0K | 0.04% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 106,804 | $272.4K | 0.01% | +1,253+1.2% | Added |
| Jane Street Group, LLC | 104,228 | $265.8K | 0.00% | −759−0.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 101,907 | $259.9K | 0.00% | −160,466−61.2% | Reduced |
| Jump Financial, LLC | 100,451 | $256.1K | 0.00% | +36,719+57.6% | Added |
| Yakira Capital Management, Inc. | 98,700 | $251.7K | 0.08% | 00.0% | Unchanged |
| American Century Companies Inc | 72,843 | $185.8K | 0.00% | −3,469−4.5% | Reduced |
| Centiva Capital, LP | 71,438 | $182.2K | 0.01% | −4,279−5.7% | Reduced |
| Eurizon Capital SGR S.p.A. | 68,175 | $177.7K | 0.00% | +68,175 | New |
| Point72 Asset Management, L.P. | 63,495 | $161.9K | 0.00% | +63,495 | New |
| Algert Global LLC | 58,695 | $149.7K | 0.00% | +29,240+99.3% | Added |
| Altfest L J & Co Inc | 47,809 | $121.9K | 0.01% | 00.0% | Unchanged |
| State Street Corp | 27,813 | $70.9K | 0.00% | −438−1.6% | Reduced |
| Boothbay Fund Management, LLC | 27,008 | $68.9K | 0.00% | +27,008 | New |
| XTX Topco Ltd | 25,383 | $64.7K | 0.00% | +25,383 | New |
| Quadrature Capital Ltd | 24,420 | $62.3K | 0.00% | +8,863+57.0% | Added |
| Federation des caisses Desjardins du Quebec | 24,436 | $62.2K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 24,381 | $62.2K | 0.00% | +24,381 | New |
| Sather Financial Group Inc | 20,920 | $53.3K | 0.00% | −8,000−27.7% | Reduced |
| Citigroup Inc | 15,477 | $39.5K | 0.00% | +15,477 | New |
| Investors Research Corp | 13,500 | $34.4K | 0.01% | −1,300−8.8% | Reduced |
| HSBC Holdings PLC | 13,097 | $33.7K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 12,368 | $31.5K | 0.00% | −342−2.7% | Reduced |
| Group One Trading, L.P. | 11,991 | $30.6K | 0.00% | −3,587−23.0% | Reduced |
| LPL Financial LLC | 11,932 | $30.4K | 0.00% | +11,932 | New |
| Barclays PLC | 5,782 | $14.7K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 4,725 | $12.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,914 | $4.88K | 0.00% | −930−32.7% | Reduced |
| CIBC Private Wealth Group, LLC | 1,481 | $3.78K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,071 | $2.73K | 0.00% | +20+1.9% | Added |
| Jones Financial Companies LLLP | 1,000 | $2.55K | 0.00% | +1,000 | New |
| Bank of America Corp | 845 | $2.15K | 0.00% | −27−3.1% | Reduced |
| Advisor Group Holdings, Inc. | 100 | $255 | 0.00% | −200−66.7% | Reduced |
| MAI Capital Management | 100 | $255 | 0.00% | +100 | New |
| FMR LLC | 37 | $94 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 15 | $0 | 0.00% | 00.0% | Unchanged |
| Lepercq De Neuflize Asset Management LLC | 0 | $0 | 0.00% | −1,027,093−100.0% | Sold out |
| Quinn Opportunity Partners LLC | 0 | $0 | 0.00% | −730,468−100.0% | Sold out |
| S Squared Technology, LLC | 0 | $0 | 0.00% | −510,514−100.0% | Sold out |
| Systematic Financial Management LP | 0 | $0 | 0.00% | −197,446−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −183,005−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −97,900−100.0% | Sold out |
| BCK Capital Management LP | 0 | $0 | 0.00% | −68,876−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −54,831−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −41,760−100.0% | Sold out |
| PFG Investments, LLC | 0 | $0 | 0.00% | −34,250−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −31,743−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −19,361−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −18,745−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −11,713−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −11,200−100.0% | Sold out |
| Founders Capital Management | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −1,410−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |