How many subsidiaries does MAGNACHIP SEMICONDUCTOR Corp file with the SEC?

9, listed in its most recent exhibit 21. They are incorporated across 8 jurisdictions, led by Luxembourg, The Netherlands, Korea. 2 of them sit in offshore financial centres. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.

Is MAGNACHIP SEMICONDUCTOR Corp financially healthy?

MAGNACHIP SEMICONDUCTOR Corp scores 3 out of 9 on the Piotroski F-score. Its Altman Z-score puts it in the grey zone. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.

Who are the largest institutional holders of MAGNACHIP SEMICONDUCTOR Corp?

Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are RENAISSANCE TECHNOLOGIES LLC (adding), MORGAN STANLEY (trimming), CITADEL ADVISORS LLC (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

MAGNACHIP SEMICONDUCTOR Corp (MX)

NYSE · Common Stock · Semiconductors & Related Devices

One email a week from me: what it filed, which 13F holders added or cut, where its scores stand. Free.

Corporate structure

9 entities across 8 jurisdictions, 2 in offshore financial centres. Read directly from the company’s own 10-K EX-21 filed 2026-03-16 — see the exhibit.

Which other public companies file entities in the same places:

China2 Luxembourg1 The Netherlands1 Korea1 Delaware1 Taiwan1 Japan1 British Virgin Islands1

Subsidiaries of MAGNACHIP SEMICONDUCTOR Corp as disclosed in its SEC filing
Entity	Jurisdiction	Note
MagnaChip Semiconductor S.A.	Luxembourg	offshore centre
MagnaChip Semiconductor B.V.	The Netherlands
Magnachip Semiconductor, Ltd.	Korea
MagnaChip Semiconductor SA Holdings LLC	Delaware
MagnaChip Semiconductor Limited	Taiwan
Magnachip Semiconductor Inc.	Japan
MagnaChip Semiconductor Holding Company Limited	British Virgin Islands	offshore centre
Magnachip Semiconductor (Shanghai) Company Limited	China
Magnachip Technology Company, Ltd.	China

Financial health

Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.

Piotroski F-score

3 / 9

FAILReturn on assets positiveROA -8.5%
FAILOperating cash flow positiveOCF -24M
PASSReturn on assets improving-14.3% → -8.5%
PASSCash flow exceeds earningsOCF -24M vs NI -30M
FAILLong-term debt ratio falling7.2% → 12.7% of assets
FAILCurrent ratio improving4.74 → 4.07
PASSNo share dilution38M → 36M shares
FAILGross margin improving22.4% → 17.6%
FAILAsset turnover improving0.61× → 0.51×

Altman Z-score

2.83grey

Bankruptcy-risk screen combining working capital, retained earnings, operating income, market value against liabilities, and asset turnover. Above 2.99 is the safe zone; below 1.81 is distress.

Six-year record

Year	Revenue	Net income	Free cash flow	Gross margin	Shares
FY2020	$507.1M	$345.0M	−$28.6M	25.3%	46,503,586
FY2021	$474.2M	$56.7M	$55.5M	32.4%	47,709,373
FY2022	$337.7M	−$8.0M	−$18.2M	30.0%	44,850,791
FY2023	$230.1M	−$36.6M	−$10.0M	22.4%	41,013,069
FY2024	$231.7M	−$54.3M	−$17.7M	22.4%	37,774,280

Ownership flow

7 institutions tracked — 3 added, 3 reduced, 1 sold out. Active managers added 650,212 shares while index money cut 194,920.

Institutional holders of MAGNACHIP SEMICONDUCTOR Corp and their share-count change
Manager	Kind	Shares	Change	Value
RENAISSANCE TECHNOLOGIES LLC	Hedge fund	661,600	+626,100	$3.1M
CITADEL ADVISORS LLC	Hedge fund	378,043	+278,169	$1.8M
BlackRock, Inc.	Index	13,377	−195,215	$63,272
MORGAN STANLEY	Active fund	544,125

Capital returned

What the company actually paid out and bought back, as reported — the record behind any yield figure.

Shares repurchased

2026Q1: $176
2025Q1: $1,306
2024Q1: $4.7M
2023Q1: $12.3M
2022Q1: $830,000
2021Q1: $1.5M

Identity

CIK: 0001325702
FIGI: BBG000T5QV18
SIC: 3674 · Semiconductors & Related Devices
Incorporated: DE
Headquarters: CHEONGJU-SI

Ownership

Institutional: 43.3%
Institutions: 89
Insiders: 15.3%

Ownership percentages are a vendor aggregate, not a filing — unlike everything else on this page.

Questions about MAGNACHIP SEMICONDUCTOR Corp

How many subsidiaries does MAGNACHIP SEMICONDUCTOR Corp file with the SEC?: 9, listed in its most recent exhibit 21. They are incorporated across 8 jurisdictions, led by Luxembourg, The Netherlands, Korea. 2 of them sit in offshore financial centres. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.
Is MAGNACHIP SEMICONDUCTOR Corp financially healthy?: MAGNACHIP SEMICONDUCTOR Corp scores 3 out of 9 on the Piotroski F-score. Its Altman Z-score puts it in the grey zone. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.
Who are the largest institutional holders of MAGNACHIP SEMICONDUCTOR Corp?: Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are RENAISSANCE TECHNOLOGIES LLC (adding), MORGAN STANLEY (trimming), CITADEL ADVISORS LLC (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

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The structure map above is the Corporate Blueprint, and in the desktop it is interactive — click any entity to re-centre the map on it and walk the ownership chain. It sits alongside the screener, the scorecard and the filings lab on one desk, on your machine.

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Sourced from SEC EDGAR primary filings. Figures are as reported by the company and are not investment advice. Scores are standard published screens computed from those filings; every input is shown above so you can check the arithmetic.