$MX

$2.37 -$0.04 (1.66%) Close

$MX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 36.5M shares outstanding

Who owns MX?

By type of holder

Institutions 42.5% Insiders 17.2% Everyone else 40.3%

Concentration Top 10 holders own 43.6%

Byreforge LLC 8.4% · Amoruso Cristiano 8.4%

Institutional ownership

42.5%

-11.3 pts vs last qtr

Institutional holders

+2 vs last qtr

Net shares bought

−4.1M

by institutions in Q2 2026

New / sold out

22 / 20

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

D. E. Shaw & Co., Inc. +1.2M
Two Sigma Investments, LP +929.6K

Biggest sellers in Q2 2026

Ameriprise Financial Inc SOLD OUT −1.6M
Immersion Corp SOLD OUT −1.4M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Magnachip Semiconductor Corp in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+4.0%

+0.43% a year

Each share's claim on the business

−3.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$102M vs $53.6M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years34% 3–5 years13% 1–3 years22% Under 1 year31%

Quarterly turnover

41.2%

of institutional shares changed hands

Top 10 managers, median time held

3.3 years

Super Investors

Investment managers reporting MX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
OC Oaktree Capital Management LP	1.5M	4.11%	−1.3M (−47.4%)	≤2021	0.1%
Shares held by quarter Peak holding2.8M (Q3'24) Change over 8 quarters−1.3M Share of the company4.110% Oaktree Capital Management LP's full portfolio →
FC FourWorld Capital Management LLC	1.6M	4.38%	−57.0K (−3.4%)	Q4 '25	6.9%
Shares held by quarter Peak holding1.7M (Q1'26) Change over 8 quarters+1.6M Share of the company4.380% FourWorld Capital Management LLC's full portfolio →

Oaktree Capital Management LP

1.5M

% of company

4.11%

Change vs last qtr

−1.3M (−47.4%)

Held since

≤2021

FourWorld Capital Management LLC

1.6M

% of company

4.38%

Change vs last qtr

−57.0K (−3.4%)

Held since

Q4 '25

28 more super investors behind a free account

See every manager holding Magnachip Semiconductor Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MX on Form N-PORT; together they hold 7.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
CS Columbia Small Cap Value Discovery Fund Columbia Funds Series Trust I	$4.01M	1.2M	3.23%	0.18%	April 30, 2026
VS Vanguard Strategic Small-Cap Equity Fund Vanguard Horizon Funds	$1.13M	239.7K	0.66%	0.04%	June 30, 2026

Columbia Small Cap Value Discovery Fund

Columbia Funds Series Trust I

Position value

$4.01M

% of company

3.23%

% of the fund

0.18%

As of

April 30, 2026

Vanguard Strategic Small-Cap Equity Fund

Vanguard Horizon Funds

Position value

$1.13M

% of company

0.66%

% of the fund

0.04%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Magnachip Semiconductor Corp and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
B Byreforge LLC 5%+ holder 13D · 8.5%	3.1M	8.42%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company8.420% Disclosed stake13D · 8.5% View the 13D/G filing →
AC Amoruso Cristiano 5%+ holder 13D · 8.5%	3.1M	8.42%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company8.420% Disclosed stake13D · 8.5% View the 13D/G filing →

Byreforge LLC

5%+ holder13D · 8.5%

3.1M

% of company

8.42%

Change vs last qtr

—

Held since

—

Amoruso Cristiano

5%+ holder13D · 8.5%

3.1M

% of company

8.42%

Change vs last qtr

—

Held since

—

10 more holders behind a free account

See every insider and 5%+ holder of Magnachip Semiconductor Corp.

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