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 2026
Institutional positions in Magnachip Semiconductor Corp as of Mar 31, 2026. 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
- 71
- +4 vs. Q4 2025
- Shares held
- 19.6M
- +275.9K (+1.4%) vs. Q4 2025
- Total value
- $54.9M
- +$5.43M (+11.0%) vs. Q4 2025
- New holders
- 14
- 19 more added
- Sold out
- 10
- 22 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Magnachip Semiconductor Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oaktree Capital Management LPSuperinvestorOaktree Capital | 2,849,858 | $7.98M | 0.14% | 00.0% | Unchanged |
| FourWorld Capital Management LLC | 1,657,701 | $4.64M | 2.62% | +1,441,593+667.1% | Added |
| Ameriprise Financial Inc | 1,583,589 | $4.43M | 0.00% | +132,697+9.1% | Added |
| Immersion Corp | 1,383,402 | $3.87M | 2.68% | −495,426−26.4% | Reduced |
| Marshall Wace, LLP | 1,244,622 | $3.48M | 0.00% | −41,210−3.2% | Reduced |
| Clearline Capital LP | 1,114,590 | $3.12M | 0.24% | −346,446−23.7% | Reduced |
| First Wilshire Securities Management Inc | 743,953 | $2.08M | 0.47% | +11,096+1.5% | Added |
| Cygnus Capital Advisors, LLC | 733,954 | $2.06M | 1.40% | +123,176+20.2% | Added |
| Morgan Stanley | 710,444 | $1.99M | 0.00% | −10,186−1.4% | Reduced |
| Acadian Asset Management LLC | 646,684 | $1.80M | 0.00% | +64,828+11.1% | Added |
| Two Sigma Investments, LP | 571,834 | $1.60M | 0.00% | +259,170+82.9% | Added |
| State of Wisconsin Investment Board | 557,617 | $1.56M | 0.00% | −42,400−7.1% | Reduced |
| Dimensional Fund Advisors LP | 549,106 | $1.54M | 0.00% | −278,753−33.7% | Reduced |
| Prelude Capital Management, LLC | 403,627 | $1.13M | 0.09% | +152,000+60.4% | Added |
| Potomac Capital Management, Inc. | 365,000 | $1.02M | 0.89% | −21,900−5.7% | Reduced |
| BNP Paribas Arbitrage, SA | 329,368 | $922.2K | 0.00% | +1,800+0.5% | Added |
| Millennium Management LLC | 292,940 | $820.2K | 0.00% | +4,103+1.4% | Added |
| Gsa Capital Partners LLP | 280,659 | $786.0K | 0.05% | +68,860+32.5% | Added |
| Vanguard Portfolio Management LLC | 239,694 | $671.1K | 0.00% | +239,694 | New |
| Bridgeway Capital Management, LLC | 233,895 | $654.9K | 0.01% | −175,000−42.8% | Reduced |
| Silverback Asset Management LLC | 220,000 | $616.0K | 0.12% | 00.0% | Unchanged |
| Oddo BHF Asset Management SAS | 215,098 | $602.3K | 0.02% | 00.0% | Unchanged |
| BlackRock, Inc. | 208,592 | $584.1K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 207,206 | $580.2K | 0.01% | +180,198+667.2% | Added |
| Goldman Sachs Group Inc | 200,643 | $561.8K | 0.00% | −220,174−52.3% | Reduced |
| Steward Partners Investment Advisory, LLC | 197,002 | $551.6K | 0.00% | +950+0.5% | Added |
| UBS Group AG | 183,446 | $513.6K | 0.00% | +3,751+2.1% | Added |
| D. E. Shaw & Co., Inc. | 159,606 | $446.9K | 0.00% | +21,657+15.7% | Added |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 125,000 | $348.8K | 0.02% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 126,326 | $341.1K | 0.00% | −1,936−1.5% | Reduced |
| Gabelli Funds LLC | 116,802 | $327.0K | 0.00% | −23,750−16.9% | Reduced |
| Yakira Capital Management, Inc. | 98,000 | $274.4K | 0.08% | −700−0.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 96,720 | $270.8K | 0.00% | +96,720 | New |
| Point72 Asset Management, L.P. | 94,209 | $263.8K | 0.00% | +30,714+48.4% | Added |
| Citadel Advisors LLC | 88,074 | $246.6K | 0.00% | +88,074 | New |
| Gabelli & Co Investment Advisers, Inc. | 77,475 | $216.9K | 0.03% | −36,250−31.9% | Reduced |
| American Century Companies Inc | 72,643 | $203.4K | 0.00% | −200−0.3% | Reduced |
| Eurizon Capital SGR S.p.A. | 70,944 | $192.5K | 0.00% | +2,769+4.1% | Added |
| Algert Global LLC | 58,695 | $164.3K | 0.00% | 00.0% | Unchanged |
| Polunin Capital Partners Ltd | 57,011 | $164.0K | 0.04% | −278,137−83.0% | Reduced |
| Jane Street Group, LLC | 49,769 | $139.4K | 0.00% | −54,459−52.2% | Reduced |
| Altfest L J & Co Inc | 47,809 | $133.9K | 0.01% | 00.0% | Unchanged |
| Centiva Capital, LP | 43,372 | $121.4K | 0.01% | −28,066−39.3% | Reduced |
| Renaissance Technologies LLC | 35,500 | $99.4K | 0.00% | +35,500 | New |
| Axq Capital, LP | 32,444 | $90.8K | 0.01% | +32,444 | New |
| State Street Corp | 28,397 | $79.5K | 0.00% | +584+2.1% | Added |
| Federation des caisses Desjardins du Quebec | 24,436 | $68.6K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 24,350 | $68.2K | 0.00% | −94,805−79.6% | Reduced |
| Jump Financial, LLC | 24,124 | $67.5K | 0.00% | −76,327−76.0% | Reduced |
| Group One Trading, L.P. | 23,666 | $66.3K | 0.00% | +11,675+97.4% | Added |
| Quadrature Capital Ltd | 19,169 | $53.7K | 0.00% | −5,251−21.5% | Reduced |
| HRT Financial LP | 19,148 | $53.0K | 0.00% | +19,148 | New |
| HSBC Holdings PLC | 13,097 | $36.3K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 12,700 | $35.6K | 0.00% | +12,700 | New |
| Cetera Investment Advisers | 12,368 | $34.6K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 11,932 | $33.4K | 0.00% | 00.0% | Unchanged |
| Seven Mile Advisory | 10,173 | $28.5K | 0.02% | +10,173 | New |
| Advisor Group Holdings, Inc. | 7,193 | $20.1K | 0.00% | +7,093+7,093.0% | Added |
| Barclays PLC | 5,782 | $16.2K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 4,725 | $13.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,934 | $5.00K | 0.00% | +1,934 | New |
| SBI Securities Co., Ltd. | 1,056 | $2.96K | 0.00% | −15−1.4% | Reduced |
| Jones Financial Companies LLLP | 1,000 | $2.87K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 500 | $1.40K | 0.00% | +500 | New |
| Tower Research Capital LLC (TRC) | 438 | $1.23K | 0.00% | −1,476−77.1% | Reduced |
| Salem Investment Counselors Inc | 300 | $840 | 0.00% | +300 | New |
| Simplex Trading, LLC | 147 | $411 | 0.00% | +147 | New |
| FMR LLC | 37 | $104 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 15 | $42 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 3 | $8 | 0.00% | +3 | New |
| Caitong International Asset Management Co., Ltd | 2 | $6 | 0.00% | +2 | New |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −237,938−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −106,804−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −101,907−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −25,383−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −24,381−100.0% | Sold out |
| Sather Financial Group Inc | 0 | $0 | 0.00% | −20,920−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −15,477−100.0% | Sold out |
| Investors Research Corp | 0 | $0 | 0.00% | −13,500−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −845−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |