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 |
|---|---|---|---|---|---|
| CWM, LLC | 15 | $0 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 37 | $94 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 100 | $255 | 0.00% | −200−66.7% | Reduced |
| MAI Capital Management | 100 | $255 | 0.00% | +100 | New |
| Bank of America Corp | 845 | $2.15K | 0.00% | −27−3.1% | Reduced |
| Jones Financial Companies LLLP | 1,000 | $2.55K | 0.00% | +1,000 | New |
| SBI Securities Co., Ltd. | 1,071 | $2.73K | 0.00% | +20+1.9% | Added |
| CIBC Private Wealth Group, LLC | 1,481 | $3.78K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,914 | $4.88K | 0.00% | −930−32.7% | Reduced |
| Newbridge Financial Services Group, Inc. | 4,725 | $12.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 5,782 | $14.7K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 11,932 | $30.4K | 0.00% | +11,932 | New |
| Group One Trading, L.P. | 11,991 | $30.6K | 0.00% | −3,587−23.0% | Reduced |
| Cetera Investment Advisers | 12,368 | $31.5K | 0.00% | −342−2.7% | Reduced |
| HSBC Holdings PLC | 13,097 | $33.7K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 13,500 | $34.4K | 0.01% | −1,300−8.8% | Reduced |
| Citigroup Inc | 15,477 | $39.5K | 0.00% | +15,477 | New |
| Sather Financial Group Inc | 20,920 | $53.3K | 0.00% | −8,000−27.7% | Reduced |
| SEI Investments Co | 24,381 | $62.2K | 0.00% | +24,381 | New |
| Federation des caisses Desjardins du Quebec | 24,436 | $62.2K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 24,420 | $62.3K | 0.00% | +8,863+57.0% | Added |
| XTX Topco Ltd | 25,383 | $64.7K | 0.00% | +25,383 | New |
| Boothbay Fund Management, LLC | 27,008 | $68.9K | 0.00% | +27,008 | New |
| State Street Corp | 27,813 | $70.9K | 0.00% | −438−1.6% | Reduced |
| Altfest L J & Co Inc | 47,809 | $121.9K | 0.01% | 00.0% | Unchanged |
| Algert Global LLC | 58,695 | $149.7K | 0.00% | +29,240+99.3% | Added |
| Point72 Asset Management, L.P. | 63,495 | $161.9K | 0.00% | +63,495 | New |
| Eurizon Capital SGR S.p.A. | 68,175 | $177.7K | 0.00% | +68,175 | New |
| Centiva Capital, LP | 71,438 | $182.2K | 0.01% | −4,279−5.7% | Reduced |
| American Century Companies Inc | 72,843 | $185.8K | 0.00% | −3,469−4.5% | Reduced |
| Yakira Capital Management, Inc. | 98,700 | $251.7K | 0.08% | 00.0% | Unchanged |
| Jump Financial, LLC | 100,451 | $256.1K | 0.00% | +36,719+57.6% | Added |
| Arrowstreet Capital, Limited Partnership | 101,907 | $259.9K | 0.00% | −160,466−61.2% | Reduced |
| Jane Street Group, LLC | 104,228 | $265.8K | 0.00% | −759−0.7% | Reduced |
| Kennedy Capital Management, Inc. | 106,804 | $272.4K | 0.01% | +1,253+1.2% | Added |
| Gabelli & Co Investment Advisers, Inc. | 113,725 | $290.0K | 0.04% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 119,155 | $303.8K | 0.00% | +84,577+244.6% | Added |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 125,000 | $316.3K | 0.02% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 128,262 | $327.1K | 0.00% | +8,130+6.8% | Added |
| D. E. Shaw & Co., Inc. | 137,949 | $351.8K | 0.00% | −26,491−16.1% | Reduced |
| Gabelli Funds LLC | 140,552 | $358.4K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 179,695 | $458.2K | 0.00% | −1,975−1.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 196,052 | $499.9K | 0.00% | −6,800−3.4% | Reduced |
| BlackRock, Inc. | 208,592 | $531.9K | 0.00% | −2,782−1.3% | Reduced |
| Gsa Capital Partners LLP | 211,799 | $540.0K | 0.05% | −73,246−25.7% | Reduced |
| Oddo BHF Asset Management SAS | 215,098 | $548.5K | 0.02% | 00.0% | Unchanged |
| FourWorld Capital Management LLC | 216,108 | $551.1K | 0.52% | +216,108 | New |
| Silverback Asset Management LLC | 220,000 | $561.0K | 0.08% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 237,938 | $606.7K | 0.00% | −52,800−18.2% | Reduced |
| Vanguard Group Inc | 239,694 | $611.2K | 0.00% | −790,330−76.7% | Reduced |
| Prelude Capital Management, LLC | 251,627 | $641.6K | 0.05% | +251,627 | New |
| Millennium Management LLC | 288,837 | $736.5K | 0.00% | +34,582+13.6% | Added |
| Two Sigma Investments, LP | 312,664 | $797.3K | 0.00% | +17,359+5.9% | Added |
| BNP Paribas Arbitrage, SA | 327,568 | $835.3K | 0.00% | +11,836+3.7% | Added |
| Potomac Capital Management, Inc. | 386,900 | $986.6K | 0.83% | +386,900 | New |
| Polunin Capital Partners Ltd | 335,148 | $1.01M | 0.16% | −12,947−3.7% | Reduced |
| Bridgeway Capital Management, LLC | 408,895 | $1.04M | 0.02% | −80,000−16.4% | Reduced |
| Goldman Sachs Group Inc | 420,817 | $1.07M | 0.00% | −68,270−14.0% | Reduced |
| Acadian Asset Management LLC | 581,856 | $1.48M | 0.00% | +149,900+34.7% | Added |
| State of Wisconsin Investment Board | 600,017 | $1.53M | 0.00% | 00.0% | Unchanged |
| Cygnus Capital Advisors, LLC | 610,778 | $1.56M | 1.14% | +610,778 | New |
| Morgan Stanley | 720,630 | $1.84M | 0.00% | +38,463+5.6% | Added |
| First Wilshire Securities Management Inc | 732,857 | $1.87M | 0.47% | +256,211+53.8% | Added |
| Dimensional Fund Advisors LP | 827,859 | $2.11M | 0.00% | −184,731−18.2% | Reduced |
| Marshall Wace, LLP | 1,285,832 | $3.28M | 0.00% | +412,098+47.2% | Added |
| Ameriprise Financial Inc | 1,450,892 | $3.70M | 0.00% | +18,049+1.3% | Added |
| Clearline Capital LP | 1,461,036 | $3.73M | 0.28% | −439,140−23.1% | Reduced |
| Immersion Corp | 1,878,828 | $4.79M | 3.28% | −864,747−31.5% | Reduced |
| Oaktree Capital Management LPSuperinvestorOaktree Capital | 2,849,858 | $7.27M | 0.12% | 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 |