Magnachip Semiconductor MX Institutional Ownership

NYSE MX

$2.56 +0.00 (+0.00%)

As of: Oct 19, 2026 · 3:59 PM EDT

Institutions by Trading Activity

76 Institutions

Increased 47 61.8%

Unchanged 6 7.9%

Reduced 23 30.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

42.84%

▼-11.01 pp QoQ

Shares Held by Institutions

15.64Mn

of 36.51Mn outstanding

▼-20.29% QoQ

Shares Outstanding

36.51Mn

20.87Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+5 vs prior quarter

Net Shares Added (QoQ)

-3.98Mn

distributed since last quarter

Value of Holdings

$43.01Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Magnachip Semiconductor Corp (NYSE:MX) counted 76 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Collectively, these holders controlled 42.84% of Magnachip Semiconductor's outstanding shares in Q2 2026, down from 53.85% in Q1 2026.
Total holdings of MX shares fell 20.29% from Q1 2026, and the holder count fell 14.61% from Q2 2025.
Of these 76 holders, 47 added to their positions, 23 reduced their stakes and 6 left their positions unchanged.
In total, institutional investors held 15.64Mn shares of Magnachip Semiconductor at the end of Q2 2026, down 3.98Mn from the prior quarter and down 7.03Mn from a year earlier.
Marshall Wace, LLP was the top holder of Magnachip Semiconductor as of June 30, 2026, with 1.62Mn shares, or 4.42% of shares outstanding.
The largest position increases in MX for Q2 2026 were by D. E. Shaw & Co., Inc. (+1.24Mn shares), Two Sigma Investments, LP (+929.6K shares), Renaissance Technologies LLC (+626.1K shares), Marshall Wace, LLP (+370.87K shares) and Acadian Asset Management LLC (+317.08K shares).
Among holders that kept a stake in Magnachip Semiconductor, the biggest sellers in Q2 2026 were Oaktree Capital Management LP (-1.35Mn shares), BlackRock, Inc. (-195.22K shares), Bridgeway Capital Management, LLC (-187.75K shares), Morgan Stanley (-166.32K shares) and Silverback Asset Management LLC (-120K shares).
Per Business Quant data, the 10 largest holders of Magnachip Semiconductor at the end of Q2 2026 were Marshall Wace, LLP (1.62Mn shares), FourWorld Capital Management LLC (1.6Mn shares), Two Sigma Investments, LP (1.5Mn shares), Oaktree Capital Management LP (1.5Mn shares), D. E. Shaw & Co., Inc. (1.4Mn shares), Acadian Asset Management LLC (963.77K shares), Renaissance Technologies LLC (661.6K shares), Morgan Stanley (544.12K shares), Dimensional Fund Advisors LP (475.65K shares) and Connor, Clark & Lunn Investment Management Ltd. (412.85K shares).

Form 13F Holdings

76 Institutional Holders

Report period 30 Jun, 2026

Total shares held 15.64Mn

Of outstanding 42.84%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	MARSHALL WACE, LLP	0001318757	1,615,488	4.42%	▲370,866	+29.80%	$7.64Mn
2	FourWorld Capital Management LLC	0001770525	1,600,695	4.38%	▼57,006	-3.44%	$7.57Mn
3	TWO SIGMA INVESTMENTS, LP	0001179392	1,501,438	4.11%	▲929,604	+162.57%	$7.10Mn
4	OAKTREE CAPITAL MANAGEMENT LP	0000949509	1,500,000	4.11%	▼1,349,858	-47.37%	$7.10Mn
5	D. E. Shaw & Co., Inc.	0001009207	1,397,759	3.83%	▲1,238,153	+775.76%	$6.61Mn
6	ACADIAN ASSET MANAGEMENT LLC	0000916542	963,768	2.64%	▲317,084	+49.03%	$4.55K
7	RENAISSANCE TECHNOLOGIES LLC	0001037389	661,600	1.81%	▲626,100	+1,763.66%	$3.13Mn
8	Morgan Stanley	0000895421	544,125	1.49%	▼166,319	-23.41%	$2.57Mn
9	DIMENSIONAL FUND ADVISORS LP	0000354204	475,648	1.30%	▼73,458	-13.38%	$2.25Mn
10	Connor, Clark & Lunn Investment Management Ltd.	0001596800	412,849	1.13%	▲316,129	+326.85%	$1.95Mn
11	Qube Research & Technologies Ltd	0001729829	382,383	1.05%	▲382,383	0.00%	$1.81Mn
12	Trexquant Investment LP	0001633445	285,909	0.78%	▲285,909	0.00%	$1.35Mn
13	BNP PARIBAS FINANCIAL MARKETS	0001166588	265,146	0.73%	▼64,222	-19.50%	$1.25Mn
14	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	239,694	0.66%	0	0.00%	$1.13Mn
15	MILLENNIUM MANAGEMENT LLC	0001273087	236,422	0.65%	▼56,518	-19.29%	$1.12Mn
16	XTX Topco Ltd	0001828301	222,197	0.61%	▲222,197	0.00%	$1.05Mn
17	JANE STREET GROUP, LLC	0001595888	215,877	0.59%	▲166,108	+333.76%	$1.02Mn
18	ODDO BHF ASSET MANAGEMENT SAS	0001686970	215,098	0.59%	0	0.00%	$1.02Mn
19	BOOTHBAY FUND MANAGEMENT, LLC	0001549230	200,081	0.55%	▼7,125	-3.44%	$946.38K
20	GSA CAPITAL PARTNERS LLP	0001362033	199,954	0.55%	▼80,705	-28.76%	$946

Showing 1 to 20 of 76 holders