Magnachip Semiconductor Corp

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Magnachip Semiconductor Corp
TickerMX
CIK #0001325702
CUSIP55933J203
SectorManufacturing - Semiconductors & Related Devices
Addressc/o Magnachip Semiconductor Sa 74, Rue de Merl, Luxembourg, L-2146
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Magnachip Semiconductor LLC 2009-11-10 39.5 M Exemption: 506 · Duration: One year or less · Revenue: Over $100,000,000
CIK Filing 2011 - 2026
[0001325702] 10-K
[0001325702] 10-Q
[0001325702] 3
[0001325702] 4
[0001325702] 8-K
[0001325702] SC 13D
[0001325702] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Systematic Financial Management LP Magnachip Semiconductor Corp [2026-02-11] 0.0
Byreforge LLC Magnachip Semiconductor Corp [2025-11-20] 0.0
Systematic Financial Management LP Magnachip Semiconductor Corp [2025-02-13] 0.0
Clearline Capital LP Magnachip Semiconductor Corp [2025-02-12] 0.0
Toro 18 Holdings LLC Magnachip Semiconductor Corp [2025-01-02] 0.0
Systematic Financial Management LP Magnachip Semiconductor Corp [2024-02-13] 5.27
Oaktree Capital Management LP Magnachip Semiconductor Corp [2023-05-15] 6.7
AllianceBernstein LP Magnachip Semiconductor Corp [2023-02-14] 7.2
Federated Hermes Inc Magnachip Semiconductor Corp [2021-02-12] 8.33
Toronado Partners LLC Magnachip Semiconductor Corp [2020-10-16] 5.21
Assenagon Asset Management Sa Magnachip Semiconductor Corp [2020-04-17] 2.2
Assenagon Asset Management Sa Magnachip Semiconductor Corp [2020-04-17] 6.88
Morgan Stanley Magnachip Semiconductor Corp [2019-08-01] 5.0
Wolverine Asset Management LLC Magnachip Semiconductor Corp [2018-02-14] 5.1
Rubric Capital Management LP Magnachip Semiconductor Corp [2018-02-14] 6.6
Evermore Global Advisors LLC Magnachip Semiconductor Corp [2018-01-23] 1.0
Hood River Capital Management LLC Magnachip Semiconductor Corp [2018-01-05] 6.06
Oaktree Capital Management LP Magnachip Semiconductor Corp [2017-08-24] 6.9
Pleasant Lake Partners LLC Magnachip Semiconductor Corp [2016-08-08] 9.99
Pleasant Lake Partners LLC Magnachip Semiconductor Corp [2016-02-16] 9.8
North Run Capital LP Magnachip Semiconductor Corp [2016-02-12] 9.8
Capital World Investors Magnachip Semiconductor Corp [2016-02-12] 6.8
Cypress Funds LLC Magnachip Semiconductor Corp [2015-12-21] 5.8
Engaged Capital LLC Magnachip Semiconductor Corp [2015-07-28] 2.6
Pleasant Lake Partners LLC Magnachip Semiconductor Corp [2015-06-10] 7.7
Pleasant Lake Partners LLC Magnachip Semiconductor Corp [2015-05-11] 5.0
Rubric Capital Management LLC Magnachip Semiconductor Corp [2015-02-18] 5.1
Canton Holdings LLC Magnachip Semiconductor Corp [2015-02-17] 5.5
Brigade Capital Management LP Magnachip Semiconductor Corp [2014-09-29] 5.5
FMR LLC Magnachip Semiconductor Corp [2014-04-10] 0.0
Putnam Investments LLC Magnachip Semiconductor Corp [2014-02-14] 9.6
Lakewood Capital Management LP Magnachip Semiconductor Corp [2013-09-19] 5.4
AllianceBernstein LP Magnachip Semiconductor Corp [2012-02-14] 5.3
Avenue Capital Management II LP Magnachip Semiconductor Corp [2012-02-09] 2.9
Southpaw Credit Opportunity Master Fund LP Magnachip Semiconductor Corp [2012-01-23] 5.9
Form 3/4/5 Filer 2011 - 2026
Lee CHAE
Magnachip Semiconductor Corp
Park Shinyoung
Lee Seunghoon
Nathan Gilbert E
Amoruso Cristiano
Chung Kyo-Hwa Liz
Martino Camillo
Lee Ilbok
Kim Young-Joon
Yang Jinseok
Kim Theodore S
Lee Woung Moo
Park Chan Ho
Keating Melvin L
Tanner Gary W
Woo Young Soo
Morgan Donald E III
Brigade Capital Management GP LLC
Brigade Capital Management LP
Brigade Leveraged Capital Structures Fund Ltd
Nader Tavakoli
Kim Jonathan W
Lee Tae Jong
Brigade Leveraged Capital Structures Offshore Ltd
Klein Randal T
Avenue Capital Management II GenPar LLC
Avenue International Ltd
Avenue International Master GenPar Ltd
Avenue International Master LP
Avenue Capital Management II LP
Avenue Partners LLC
Lasry Marc
Welling Glenn W
Engaged Capital LLC
Engaged Capital II LP
Engaged Capital Flagship Master Fund LP
Engaged Capital Holdings LLC
Engaged Capital Flagship Fund Ltd
Elkins Michael D
Pleasant Lake Onshore GP LLC
Pleasant Lake Partners LLC
Pleasant Lake Offshore Master Fund LP
Lennon Jonathan
PLP MM LLC
Engaged Capital I Offshore Ltd
Engaged Capital I LP
Engaged Capital Master Feeder I LP
Norby R Douglas
Avenue US/Europe Distressed Segregated Portfolio A Segregat
Avenue PPF Opportunities Fund LP
Avenue PPF Opportunities Fund GenPar LLC
Avenue Special Situations Fund V LP
Avenue Special Situations Fund IV LP
Avenue CDP Global Opportunities Fund LP
McFarland John
GL Partners IV LLC
Avenue Capital Partners IV LLC
Avenue Capital Partners V LLC
GL Partners V LLC
Hwang Tae Young
Avenue Investments LP
Sakai Margaret
Rowe Brent
Park Sang
Kim Heung Kyu
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Nathan Gilbert E
Common Stock
2026-03-16 Buy 21,994 $2.87 63,123
Nathan Gilbert E
Common Stock
2026-03-13 Buy 13,006 $2.79 36,287
Nathan Gilbert E
Common Stock
2026-03-12 Buy 25,000 $2.75 68,750
Amoruso Cristiano
Common Stock
2026-02-15 Grant 28,628 $0.00
Nathan Gilbert E
Common Stock
2026-02-15 Grant 1,478 $0.00
Chung Kyo-Hwa Liz
Common Stock
2026-02-15 Grant 2,946 $0.00
Park Shinyoung
Common Stock
2025-12-31 Tax withheld 12,234 $2.55 31,197
Lee Seunghoon
Common Stock
2025-12-31 Tax withheld 3,333 $2.55 8,499
Lee Seunghoon
Common Stock
2025-12-31 Tax withheld 4,761 $2.55 12,141
Lee Seunghoon
Common Stock
2025-12-31 Grant 7,000 $2.55 17,850
Lee Seunghoon
Common Stock
2025-12-31 Tax withheld 2,778 $2.55 7,084
Park Shinyoung
Common Stock
2025-12-31 Tax withheld 17,977 $2.55 45,841
Lee Seunghoon
Common Stock
2025-12-31 Tax withheld 4,880 $2.55 12,444
Park Shinyoung
Common Stock
2025-12-31 Tax withheld 6,121 $2.55 15,609
Chung Kyo-Hwa Liz
Common Stock
2025-11-15 Grant 3,160 $0.00
Nathan Gilbert E
Common Stock
2025-11-15 Grant 6,320 $0.00
Martino Camillo
Common Stock
2025-10-01 Grant 105,484 $0.00
Common Stock
2025-08-25 Buy 10,000 $2.87 28,700
Common Stock
2025-08-22 Buy 30,000 $2.84 85,200
Lee Seunghoon
Common Stock
2025-08-15 Grant 30,750 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 71 18,930,094
2025-12-31 70 18,698,438
2025-09-30 75 22,436,934
2025-06-30 92 23,276,463
2025-03-31 89 22,648,014
2024-12-31 84 23,701,535
2024-09-30 89 23,376,922
2024-06-30 91 23,859,405
2024-03-31 104 25,068,396
2023-12-31 125 29,092,730
2023-09-30 120 28,438,382
2023-06-30 117 29,310,131
Form 13F Holdings
Firm Period DFND Voting Shares
Polunin Capital Partners Ltd [2026-06-30] SOLE 59,811 59,811
Accurate Wealth Management LLC [2026-06-30] SOLE 0 15,000
C2P Capital Advisory Group LLC DBA Prosperity Capital Ad [2026-06-30] SOLE 0 11,475
Salem Investment Counselors Inc [2026-06-30] SOLE 300 300
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