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, Q3 2025
Institutional positions in Magnachip Semiconductor Corp as of Sep 30, 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
- 75
- −16 vs. Q2 2025
- Shares held
- 22.6M
- −839.1K (−3.6%) vs. Q2 2025
- Total value
- $70.9M
- −$22.6M (−24.2%) vs. Q2 2025
- New holders
- 6
- 23 more added
- Sold out
- 22
- 25 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Magnachip Semiconductor Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oaktree Capital Management LPSuperinvestorOaktree Capital | 2,849,858 | $8.92M | 0.15% | 00.0% | Unchanged |
| Immersion Corp | 2,743,575 | $8.59M | 5.30% | −470,391−14.6% | Reduced |
| Clearline Capital LP | 1,900,176 | $5.95M | 0.51% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 1,432,843 | $4.48M | 0.00% | +208,417+17.0% | Added |
| Vanguard Group Inc | 1,030,024 | $3.22M | 0.00% | +6,519+0.6% | Added |
| Lepercq De Neuflize Asset Management LLC | 1,027,093 | $3.21M | 1.86% | +1,027,093 | New |
| Dimensional Fund Advisors LP | 1,012,590 | $3.17M | 0.00% | −11,668−1.1% | Reduced |
| Marshall Wace, LLP | 873,734 | $2.73M | 0.00% | +174,209+24.9% | Added |
| Quinn Opportunity Partners LLC | 730,468 | $2.29M | 0.17% | 00.0% | Unchanged |
| Morgan Stanley | 682,167 | $2.14M | 0.00% | +93,806+15.9% | Added |
| State of Wisconsin Investment Board | 600,017 | $1.88M | 0.00% | 00.0% | Unchanged |
| S Squared Technology, LLC | 510,514 | $1.60M | 0.61% | −100,000−16.4% | Reduced |
| Goldman Sachs Group Inc | 489,087 | $1.53M | 0.00% | +830.0% | Added |
| Bridgeway Capital Management, LLC | 488,895 | $1.53M | 0.03% | +52,000+11.9% | Added |
| First Wilshire Securities Management Inc | 476,646 | $1.49M | 0.40% | +15,922+3.5% | Added |
| Acadian Asset Management LLC | 431,956 | $1.34M | 0.00% | +281,388+186.9% | Added |
| Polunin Capital Partners Ltd | 348,095 | $1.11M | 0.16% | −10,400−2.9% | Reduced |
| BNP Paribas Arbitrage, SA | 315,732 | $988.2K | 0.00% | +5,764+1.9% | Added |
| Two Sigma Investments, LP | 295,305 | $924.3K | 0.00% | −5,183−1.7% | Reduced |
| Two Sigma Advisers, LP | 290,738 | $910.0K | 0.00% | −36,200−11.1% | Reduced |
| Gsa Capital Partners LLP | 285,045 | $892.0K | 0.07% | +13,294+4.9% | Added |
| Arrowstreet Capital, Limited Partnership | 262,373 | $821.2K | 0.00% | −9,008−3.3% | Reduced |
| Millennium Management LLC | 254,255 | $795.8K | 0.00% | −53,660−17.4% | Reduced |
| Silverback Asset Management LLC | 220,000 | $688.6K | 0.09% | 00.0% | Unchanged |
| Oddo BHF Asset Management SAS | 215,098 | $673.3K | 0.03% | 00.0% | Unchanged |
| BlackRock, Inc. | 211,374 | $661.6K | 0.00% | −3,680−1.7% | Reduced |
| Steward Partners Investment Advisory, LLC | 202,852 | $634.9K | 0.00% | +3,175+1.6% | Added |
| Systematic Financial Management LP | 197,446 | $618.0K | 0.02% | −1,744,410−89.8% | Reduced |
| Citadel Advisors LLC | 183,005 | $572.8K | 0.00% | −31,783−14.8% | Reduced |
| UBS Group AG | 181,670 | $568.6K | 0.00% | −32,880−15.3% | Reduced |
| D. E. Shaw & Co., Inc. | 164,440 | $514.7K | 0.00% | +118,276+256.2% | Added |
| Gabelli Funds LLC | 140,552 | $439.9K | 0.00% | 00.0% | Unchanged |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 125,000 | $391.3K | 0.02% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 120,132 | $376.0K | 0.00% | −10,278−7.9% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 113,725 | $356.0K | 0.06% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 105,551 | $330.4K | 0.01% | +40,959+63.4% | Added |
| Jane Street Group, LLC | 104,987 | $328.6K | 0.00% | +92,240+723.6% | Added |
| Yakira Capital Management, Inc. | 98,700 | $308.9K | 0.12% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 97,900 | $306.4K | 0.00% | +97,900 | New |
| American Century Companies Inc | 76,312 | $238.9K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 75,717 | $237.0K | 0.02% | +75,717 | New |
| BCK Capital Management LP | 68,876 | $215.6K | 0.23% | −5,392−7.3% | Reduced |
| Jump Financial, LLC | 63,732 | $199.5K | 0.00% | −6,095−8.7% | Reduced |
| Charles Schwab Investment Management Inc | 54,831 | $171.6K | 0.00% | −43,091−44.0% | Reduced |
| Altfest L J & Co Inc | 47,809 | $149.6K | 0.02% | 00.0% | Unchanged |
| Invesco Ltd. | 41,760 | $130.7K | 0.00% | −62,406−59.9% | Reduced |
| Susquehanna International Group, LLP | 34,578 | $108.2K | 0.00% | −64,252−65.0% | Reduced |
| PFG Investments, LLC | 34,250 | $107.2K | 0.01% | +1,725+5.3% | Added |
| Oxford Asset Management LLP | 31,743 | $99.4K | 0.03% | +31,743 | New |
| Cubist Systematic Strategies, LLC | 29,676 | $92.9K | 0.00% | −34,169−53.5% | Reduced |
| Algert Global LLC | 29,455 | $92.2K | 0.00% | +9,100+44.7% | Added |
| Sather Financial Group Inc | 28,920 | $90.5K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 28,251 | $88.4K | 0.00% | +5,043+21.7% | Added |
| Federation des caisses Desjardins du Quebec | 24,436 | $76.5K | 0.00% | +14,308+141.3% | Added |
| ProShare Advisors LLC | 19,361 | $60.6K | 0.00% | +1,004+5.5% | Added |
| Simplex Trading, LLC | 18,745 | $58.0K | 0.00% | −8,258−30.6% | Reduced |
| Quadrature Capital Ltd | 15,557 | $48.8K | 0.00% | +15,557 | New |
| Group One Trading, L.P. | 15,578 | $48.8K | 0.00% | +13,220+560.6% | Added |
| Investors Research Corp | 14,800 | $46.3K | 0.01% | 00.0% | Unchanged |
| HSBC Holdings PLC | 13,097 | $41.5K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 12,710 | $39.8K | 0.00% | +12,710 | New |
| Engineers Gate Manager LP | 11,713 | $36.7K | 0.00% | −47,935−80.4% | Reduced |
| Royal Bank of Canada | 11,200 | $35.0K | 0.00% | +10,700+2,140.0% | Added |
| Founders Capital Management | 6,000 | $18.8K | 0.01% | 00.0% | Unchanged |
| Barclays PLC | 5,782 | $18.1K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 4,725 | $14.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,844 | $8.90K | 0.00% | +2,280+404.3% | Added |
| CIBC Private Wealth Group, LLC | 1,481 | $4.64K | 0.00% | +100+7.2% | Added |
| Wells Fargo & Company | 1,410 | $4.41K | 0.00% | −4,983−77.9% | Reduced |
| SBI Securities Co., Ltd. | 1,051 | $3.29K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 872 | $2.73K | 0.00% | −1,346−60.7% | Reduced |
| Advisor Group Holdings, Inc. | 300 | $943 | 0.00% | −2,031−87.1% | Reduced |
| Salem Investment Counselors Inc | 300 | $939 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 37 | $116 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 15 | $0 | 0.00% | −50−76.9% | Reduced |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −192,019−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −89,071−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −24,141−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −20,343−100.0% | Sold out |
| Canandaigua National Bank & Trust Co | 0 | $0 | 0.00% | −19,216−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −18,551−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −16,240−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −15,644−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −15,400−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −15,315−100.0% | Sold out |
| Resources Investment Advisors, LLC. | 0 | $0 | 0.00% | −11,974−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −10,066−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −6,299−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −3,839−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −1,507−100.0% | Sold out |
| Shell Asset Management Co | 0 | $0 | 0.00% | −1,325−100.0% | Sold out |
| Strategic Wealth Partners, Ltd. | 0 | $0 | 0.00% | −1,175−100.0% | Sold out |
| Comerica Bank | 0 | $0 | 0.00% | −484−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −450−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| MCF Advisors LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |