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 |
|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 2 | $6 | 0.00% | +2 | New |
| Northwestern Mutual Wealth Management Co | 3 | $8 | 0.00% | +3 | New |
| CWM, LLC | 15 | $42 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 37 | $104 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 147 | $411 | 0.00% | +147 | New |
| Salem Investment Counselors Inc | 300 | $840 | 0.00% | +300 | New |
| Tower Research Capital LLC (TRC) | 438 | $1.23K | 0.00% | −1,476−77.1% | Reduced |
| Advisory Services Network, LLC | 500 | $1.40K | 0.00% | +500 | New |
| Jones Financial Companies LLLP | 1,000 | $2.87K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,056 | $2.96K | 0.00% | −15−1.4% | Reduced |
| Royal Bank of Canada | 1,934 | $5.00K | 0.00% | +1,934 | New |
| Newbridge Financial Services Group, Inc. | 4,725 | $13.2K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 5,782 | $16.2K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,193 | $20.1K | 0.00% | +7,093+7,093.0% | Added |
| Seven Mile Advisory | 10,173 | $28.5K | 0.02% | +10,173 | New |
| LPL Financial LLC | 11,932 | $33.4K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 12,368 | $34.6K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 12,700 | $35.6K | 0.00% | +12,700 | New |
| HSBC Holdings PLC | 13,097 | $36.3K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 19,148 | $53.0K | 0.00% | +19,148 | New |
| Quadrature Capital Ltd | 19,169 | $53.7K | 0.00% | −5,251−21.5% | Reduced |
| Group One Trading, L.P. | 23,666 | $66.3K | 0.00% | +11,675+97.4% | Added |
| Jump Financial, LLC | 24,124 | $67.5K | 0.00% | −76,327−76.0% | Reduced |
| Susquehanna International Group, LLP | 24,350 | $68.2K | 0.00% | −94,805−79.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 24,436 | $68.6K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 28,397 | $79.5K | 0.00% | +584+2.1% | Added |
| Axq Capital, LP | 32,444 | $90.8K | 0.01% | +32,444 | New |
| Renaissance Technologies LLC | 35,500 | $99.4K | 0.00% | +35,500 | New |
| Centiva Capital, LP | 43,372 | $121.4K | 0.01% | −28,066−39.3% | Reduced |
| Altfest L J & Co Inc | 47,809 | $133.9K | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 49,769 | $139.4K | 0.00% | −54,459−52.2% | Reduced |
| Polunin Capital Partners Ltd | 57,011 | $164.0K | 0.04% | −278,137−83.0% | Reduced |
| Algert Global LLC | 58,695 | $164.3K | 0.00% | 00.0% | Unchanged |
| Eurizon Capital SGR S.p.A. | 70,944 | $192.5K | 0.00% | +2,769+4.1% | Added |
| American Century Companies Inc | 72,643 | $203.4K | 0.00% | −200−0.3% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 77,475 | $216.9K | 0.03% | −36,250−31.9% | Reduced |
| Citadel Advisors LLC | 88,074 | $246.6K | 0.00% | +88,074 | New |
| Point72 Asset Management, L.P. | 94,209 | $263.8K | 0.00% | +30,714+48.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 96,720 | $270.8K | 0.00% | +96,720 | New |
| Yakira Capital Management, Inc. | 98,000 | $274.4K | 0.08% | −700−0.7% | Reduced |
| Gabelli Funds LLC | 116,802 | $327.0K | 0.00% | −23,750−16.9% | Reduced |
| JPMorgan Chase & Co | 126,326 | $341.1K | 0.00% | −1,936−1.5% | Reduced |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 125,000 | $348.8K | 0.02% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 159,606 | $446.9K | 0.00% | +21,657+15.7% | Added |
| UBS Group AG | 183,446 | $513.6K | 0.00% | +3,751+2.1% | Added |
| Steward Partners Investment Advisory, LLC | 197,002 | $551.6K | 0.00% | +950+0.5% | Added |
| Goldman Sachs Group Inc | 200,643 | $561.8K | 0.00% | −220,174−52.3% | Reduced |
| Boothbay Fund Management, LLC | 207,206 | $580.2K | 0.01% | +180,198+667.2% | Added |
| BlackRock, Inc. | 208,592 | $584.1K | 0.00% | 00.0% | Unchanged |
| Oddo BHF Asset Management SAS | 215,098 | $602.3K | 0.02% | 00.0% | Unchanged |
| Silverback Asset Management LLC | 220,000 | $616.0K | 0.12% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 233,895 | $654.9K | 0.01% | −175,000−42.8% | Reduced |
| Vanguard Portfolio Management LLC | 239,694 | $671.1K | 0.00% | +239,694 | New |
| Gsa Capital Partners LLP | 280,659 | $786.0K | 0.05% | +68,860+32.5% | Added |
| Millennium Management LLC | 292,940 | $820.2K | 0.00% | +4,103+1.4% | Added |
| BNP Paribas Arbitrage, SA | 329,368 | $922.2K | 0.00% | +1,800+0.5% | Added |
| Potomac Capital Management, Inc. | 365,000 | $1.02M | 0.89% | −21,900−5.7% | Reduced |
| Prelude Capital Management, LLC | 403,627 | $1.13M | 0.09% | +152,000+60.4% | Added |
| Dimensional Fund Advisors LP | 549,106 | $1.54M | 0.00% | −278,753−33.7% | Reduced |
| State of Wisconsin Investment Board | 557,617 | $1.56M | 0.00% | −42,400−7.1% | Reduced |
| Two Sigma Investments, LP | 571,834 | $1.60M | 0.00% | +259,170+82.9% | Added |
| Acadian Asset Management LLC | 646,684 | $1.80M | 0.00% | +64,828+11.1% | Added |
| Morgan Stanley | 710,444 | $1.99M | 0.00% | −10,186−1.4% | Reduced |
| Cygnus Capital Advisors, LLC | 733,954 | $2.06M | 1.40% | +123,176+20.2% | Added |
| First Wilshire Securities Management Inc | 743,953 | $2.08M | 0.47% | +11,096+1.5% | Added |
| Clearline Capital LP | 1,114,590 | $3.12M | 0.24% | −346,446−23.7% | Reduced |
| Marshall Wace, LLP | 1,244,622 | $3.48M | 0.00% | −41,210−3.2% | Reduced |
| Immersion Corp | 1,383,402 | $3.87M | 2.68% | −495,426−26.4% | Reduced |
| Ameriprise Financial Inc | 1,583,589 | $4.43M | 0.00% | +132,697+9.1% | Added |
| FourWorld Capital Management LLC | 1,657,701 | $4.64M | 2.62% | +1,441,593+667.1% | Added |
| Oaktree Capital Management LPSuperinvestorOaktree Capital | 2,849,858 | $7.98M | 0.14% | 00.0% | Unchanged |
| 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 |