Magnachip SemiconductorMX
13F holders, Q1 2026 (March 31)71holders +2
13new positions
9sold out
7famous investors
$2.80avg. 13F price*
At the end of Q1 2026, 71 institutions reported holding Magnachip Semiconductor Corp. (MX) in their 13F filings, up 2 from Q4 2025. 13 opened new positions and 9 sold out. The largest holders were Oaktree Capital Management ($8.0M), FourWorld Capital Management LLC ($4.6M) and Ameriprise Financial Inc. ($4.4M). 7 famous investors held it, including Howard Marks (0.2% of Oaktree Capital Management's portfolio), Prem Watsa (0.0% of Fairfax Financial Holdings's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Magnachip Semiconductor Corp.
- CUSIP
- 55933J203
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 13 | $832K |
| Exits | 9 | $789K |
All 13F filers, Q4 2025 → Q1 2026: 2,816,359 shares bought and 2,542,184 shares sold, net +274,175 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 71 holders
| Oaktree Capital Management | 0.19% | No change | 2,849,858 | $8.0M |
| FourWorld Capital Management LLC | 2.62% | Add +667.1% | 1,657,701 | $4.6M |
| Ameriprise Financial Inc. | 0.00% | Add +9.2% | 1,583,589 | $4.4M |
| Immersion Corp. | 2.68% | Reduce -26.4% | 1,383,402 | $3.9M |
| Marshall Wace, LLP | 0.00% | Reduce -3.2% | 1,244,622 | $3.5M |
| Clearline Capital LP | 0.24% | Reduce -23.7% | 1,114,590 | $3.1M |
| First Wilshire Securities Management Inc. | 0.47% | Add +1.5% | 743,953 | $2.1M |
| Cygnus Capital Advisors, LLC | 1.40% | Add +20.2% | 733,954 | $2.1M |
| Morgan Stanley | 0.00% | Reduce -1.4% | 710,444 | $2.0M |
| Acadian Asset Management LLC | 0.00% | Add +11.1% | 646,684 | $1.8M |
| Two Sigma Investments, LP | 0.00% | Add +82.9% | 571,834 | $1.6M |
| State of Wisconsin Investment Board | 0.00% | Reduce -7.1% | 557,617 | $1.6M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -33.7% | 549,106 | $1.5M |
| Prelude Capital Management, LLC | 0.09% | Add +60.4% | 403,627 | $1.1M |
| Potomac Capital Management, Inc. | 0.89% | Reduce -5.7% | 365,000 | $1.0M |
| BNP Paribas Financial Markets | 0.00% | Add +0.6% | 329,368 | $922K |
| Millennium Management | 0.00% | Add +1.4% | 292,940 | $820K |
| Gsa Capital Partners LLP | 0.05% | Add +32.5% | 280,659 | $786K |
| Vanguard Portfolio Management LLC | 0.00% | — | 239,694 | $671K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -42.8% | 233,895 | $655K |
| Silverback Asset Management LLC | 2.30% | No change | 220,000 | $616K |
| Oddo BHF Asset Management Sas | 0.02% | No change | 215,098 | $602K |
| BlackRock, Inc. | 0.00% | No change | 208,592 | $584K |
| Boothbay Fund Management, LLC | 0.01% | Add +667.2% | 207,206 | $580K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -52.3% | 200,643 | $562K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +0.5% | 197,002 | $552K |
| UBS Group AG | 0.00% | Add +2.1% | 183,446 | $514K |
| D. E. Shaw & Co. | 0.00% | Add +15.7% | 159,606 | $447K |
| Fairfax Financial Holdings | 0.02% | No change | 125,000 | $349K |
| JPMorgan Chase & Co. | 0.00% | Reduce -1.5% | 126,326 | $341K |
| Gabelli Funds LLC | 0.00% | Reduce -16.9% | 116,802 | $327K |
| Yakira Capital Management, Inc. | 0.08% | Reduce -0.7% | 98,000 | $274K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 96,720 | $271K |
| Point72 Asset Management | 0.00% | Add +48.4% | 94,209 | $264K |
| Citadel Advisors | 0.00% | New | 88,074 | $247K |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.03% | Reduce -31.9% | 77,475 | $217K |
| American Century Companies Inc. | 0.00% | Reduce -0.3% | 72,643 | $203K |
| Eurizon Capital SGR S.p.A. | 0.00% | Add +4.1% | 70,944 | $192K |
| Algert Global LLC | 0.00% | No change | 58,695 | $164K |
| Polunin Capital Partners Ltd | 0.04% | Reduce -83.0% | 57,011 | $164K |
| Jane Street Group, LLC | 0.00% | Reduce -52.3% | 49,769 | $139K |
| Altfest L J & Co. Inc. | 0.01% | No change | 47,809 | $134K |
| Centiva Capital, LP | 0.01% | Reduce -39.3% | 43,372 | $121K |
| Renaissance Technologies | 0.00% | New | 35,500 | $99K |
| Axq Capital, LP | 0.01% | New | 32,444 | $91K |
| State Street Corp. | 0.00% | Add +2.1% | 28,397 | $80K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 24,436 | $69K |
| Susquehanna International Group, LLP | 0.00% | Reduce -79.6% | 24,350 | $68K |
| Jump Financial, LLC | 0.00% | Reduce -76.0% | 24,124 | $68K |
| Group One Trading LLC | 0.00% | Add +97.4% | 23,666 | $66K |
| Quadrature Capital Ltd | 0.00% | Reduce -21.5% | 19,169 | $54K |
| HRT Financial LP | 0.00% | New | 19,148 | $53K |
| HSBC Holdings PLC | 0.00% | No change | 13,097 | $36K |
| Prudential Financial Inc. | 0.00% | New | 12,700 | $36K |
| Cetera Investment Advisers | 0.00% | No change | 12,368 | $35K |
| LPL Financial LLC | 0.00% | No change | 11,932 | $33K |
| Seven Mile Advisory | 0.02% | New | 10,173 | $28K |
| Osaic Holdings, Inc. | 0.00% | Add +7093.0% | 7,193 | $20K |
| Barclays PLC | 0.00% | No change | 5,782 | $16K |
| NFSG Corp | 0.00% | No change | 4,725 | $13K |
| Royal Bank of Canada | 0.00% | New | 1,934 | $5K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -1.4% | 1,056 | $3K |
| Jones Financial Companies LLLP | 0.00% | No change | 1,000 | $3K |
| Advisory Services Network, LLC | 0.00% | New | 500 | $1K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -77.1% | 438 | $1K |
| Salem Investment Counselors Inc. | 0.00% | New | 300 | $840 |
| Simplex Trading, LLC | 0.00% | New | 147 | $411 |
| FMR LLC | 0.00% | No change | 37 | $104 |
| Cwm, LLC | 0.00% | No change | 15 | $42 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 3 | $8 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 2 | $6 |
"% of holder's portfolio" is MX's weight in each manager's 13F, not the share of Magnachip Semiconductor Corp. the manager owns.