MAGNACHIP SEMICONDUCTOR Corp (MX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

35,934,406Shares Outstanding

22,104,522Shares held by institutions

$78,250,008Value of institutional holdings

61.51%Institutional ownership %

6.67%Shares Changed QoQ

69No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

MAGNACHIP SEMICONDUCTOR Corp (NYSE:MX) showed up in the 13F filings of 69 institutional investors as of December 2025.

They owned 60.3% of outstanding stock in December 2025, down from 63.3% the prior quarter.
They increased total shares held in MX by 4.62% quarter over quarter, and investors in Magnachip Semiconductor decreased 16.87% from a year ago.
Among the 69 funds, 27 bought more Magnachip Semiconductor shares, 26 sold down, and 16 held their ground.
Institutional investors collectively held 21.67Mn shares in Magnachip Semiconductor as of December 2025, up by 957.66K shares quarter on quarter, and down 2.96Mn shares year over year.
OAKTREE CAPITAL MANAGEMENT LP holds the largest position in MX at 2.85Mn shares as of December 31, 2025, or 7.93% of shares outstanding.
The most significant purchases of MX for the quarter ending December 2025 came from Lepercq De Neuflize Asset Management LLC (1.67Mn), MARSHALL WACE, LLP (412.1K), Potomac Capital Management, Inc. (386.9K), Goldman Sachs Group Inc (352.55K), FIRST WILSHIRE SECURITIES MANAGEMENT INC (256.21K).
Leading sellers of Magnachip Semiconductor shares for the quarter ending December 2025 were Immersion Corp (864.75K), VANGUARD GROUP INC (790.33K), Clearline Capital LP (439.14K), DIMENSIONAL FUND ADVISORS LP (184.73K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (160.47K).
Per Business Quant, the top 10 investors in MX for the quarter ending December 2025 include OAKTREE CAPITAL MANAGEMENT LP (2.85Mn), Lepercq De Neuflize Asset Management LLC (2.69Mn), Immersion Corp (1.88Mn), Clearline Capital LP (1.46Mn), Ameriprise Financial Inc (1.45Mn), MARSHALL WACE, LLP (1.29Mn), Goldman Sachs Group Inc (841.63K), DIMENSIONAL FUND ADVISORS LP (827.86K), FIRST WILSHIRE SECURITIES MANAGEMENT INC (732.86K), Morgan Stanley (720.63K).

69 Institutional Holders

22,104,522 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
OAKTREE CAPITAL MANAGEMENT LP	31 Dec, 2025	2,849,858	0	0.00%	$7,267,137.00
Lepercq De Neuflize Asset Management LLC	31 Dec, 2025	2,694,527	1,667,434	162.34%	$6,871,044.00
Immersion Corp	31 Dec, 2025	1,878,828	-864,747	-31.52%	$4,791,011.00
Clearline Capital LP	31 Dec, 2025	1,461,036	-439,140	-23.11%	$3,725,642.00
Ameriprise Financial Inc	31 Dec, 2025	1,450,892	18,049	1.26%	$3,699,775.00
MARSHALL WACE, LLP	31 Dec, 2025	1,285,832	412,098	47.17%	$3,278,873.00
Goldman Sachs Group Inc	31 Dec, 2025	841,634	352,547	72.08%	$2,146,166.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	827,859	-184,731	-18.24%	$2,111,218.00
FIRST WILSHIRE SECURITIES MANAGEMENT INC	31 Dec, 2025	732,857	256,211	53.75%	$1,868,785.00
Morgan Stanley	31 Dec, 2025	720,630	38,463	5.64%	$1,837,607.00
STATE OF WISCONSIN INVESTMENT BOARD	31 Dec, 2025	600,017	0	0.00%	$1,530,043.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	581,856	149,900	34.70%	$1,477.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	408,895	-80,000	-16.36%	$1,042,682.00
Potomac Capital Management, Inc.	31 Dec, 2025	386,900	386,900	0.00%	$986,595.00
Polunin Capital Partners Ltd	31 Dec, 2025	335,148	-12,947	-3.72%	$1,015.00
BNP PARIBAS FINANCIAL MARKETS	31 Dec, 2025	327,568	11,836	3.75%	$835,298.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	312,664	17,359	5.88%	$797,293.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	288,837	34,582	13.60%	$736,534.00
PRELUDE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	251,627	251,627	0.00%	$641,649.00
VANGUARD GROUP INC	31 Dec, 2025	239,694	-790,330	-76.73%	$611,220.00

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