Magnachip Semiconductor MX Institutional Ownership

NYSE MX

$3.31 +0.03 (+0.91%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

71 Institutions

Increased 34 47.9%

Unchanged 14 19.7%

Reduced 23 32.4%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

61.72%

▼-1.00 pp QoQ

Shares Held by Institutions

22.47Mn

of 36.41Mn outstanding

▲+16.84% QoQ

Shares Outstanding

36.41Mn

13.94Mn held outside 13F filers

Institutional Investors

filed 13F for Mar 2026

▲+1 vs prior quarter

Net Shares Added (QoQ)

+3.24Mn

accumulated since last quarter

Value of Holdings

$76.40Mn

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

Quarter ending 31 Mar, 2026

MAGNACHIP SEMICONDUCTOR Corp (NYSE:MX) has 71 institutional investors that have filed 13F reports for the period ending March 2026.

Collectively, these holders controlled 61.7% of Magnachip Semiconductor's outstanding shares in March 2026, down from 62.7% in December 2025.
Their total shares held in MX increased 16.84% quarter over quarter, and separately, investors owning Magnachip Semiconductor decreased 21.11% from a year ago.
Of these 71 funds, 34 grew their exposure to Magnachip Semiconductor, 23 cut back, and 14 maintained positions.
The aggregate institutional position in Magnachip Semiconductor amounted to 22.47Mn shares as of March 2026, up by 3.24Mn shares quarter on quarter, and down 1.6Mn shares year over year.
OAKTREE CAPITAL MANAGEMENT LP leads ownership in MX with 5.7Mn shares as of March 31, 2026, equal to 15.66% of outstanding shares.
The biggest buyers of Magnachip Semiconductor for the quarter ending March 2026 included OAKTREE CAPITAL MANAGEMENT LP (2.85Mn), FourWorld Capital Management LLC (1.44Mn), TWO SIGMA INVESTMENTS, LP (259.17K), VANGUARD PORTFOLIO MANAGEMENT LLC (239.69K), BOOTHBAY FUND MANAGEMENT, LLC (180.2K).
The largest sales of MX for the quarter ending March 2026 came from Goldman Sachs Group Inc (640.99K), Immersion Corp (495.43K), Clearline Capital LP (346.45K), DIMENSIONAL FUND ADVISORS LP (278.75K), Polunin Capital Partners Ltd (278.14K).
According to Business Quant data, leading holders of MX for March 2026 are OAKTREE CAPITAL MANAGEMENT LP (5.7Mn), FourWorld Capital Management LLC (1.66Mn), Ameriprise Financial Inc (1.58Mn), Immersion Corp (1.38Mn), MARSHALL WACE, LLP (1.24Mn), Clearline Capital LP (1.11Mn), FIRST WILSHIRE SECURITIES MANAGEMENT INC (743.95K), Cygnus Capital Advisors, LLC (733.95K), Morgan Stanley (710.44K), ACADIAN ASSET MANAGEMENT LLC (646.68K).

Form 13F Holdings

71 Institutional Holders

Report period 31 Mar, 2026

Total shares held 22.47Mn

Of outstanding 61.72%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	OAKTREE CAPITAL MANAGEMENT LP	0000949509	5,699,716	15.66%	▲2,849,858	+100.00%	$15.96Mn
2	FourWorld Capital Management LLC	0001770525	1,657,701	4.55%	▲1,441,593	+667.07%	$4.64Mn
3	Ameriprise Financial Inc	0000820027	1,583,589	4.35%	▲132,697	+9.15%	$4.43Mn
4	Immersion Corp	0001058811	1,383,402	3.80%	▼495,426	-26.37%	$3.87Mn
5	MARSHALL WACE, LLP	0001318757	1,244,622	3.42%	▼41,210	-3.20%	$3.48Mn
6	Clearline Capital LP	0001600136	1,114,590	3.06%	▼346,446	-23.71%	$3.12Mn
7	FIRST WILSHIRE SECURITIES MANAGEMENT INC	0000732847	743,953	2.04%	▲11,096	+1.51%	$2.08Mn
8	Cygnus Capital Advisors, LLC	0002114319	733,954	2.02%	▲123,176	+20.17%	$2.06K
9	Morgan Stanley	0000895421	710,444	1.95%	▼10,186	-1.41%	$1.99Mn
10	ACADIAN ASSET MANAGEMENT LLC	0000916542	646,684	1.78%	▲64,828	+11.14%	$1.80K
11	TWO SIGMA INVESTMENTS, LP	0001179392	571,834	1.57%	▲259,170	+82.89%	$1.60Mn
12	STATE OF WISCONSIN INVESTMENT BOARD	0000854157	557,617	1.53%	▼42,400	-7.07%	$1.56Mn
13	DIMENSIONAL FUND ADVISORS LP	0000354204	549,106	1.51%	▼278,753	-33.67%	$1.54Mn
14	PRELUDE CAPITAL MANAGEMENT, LLC	0001387508	403,627	1.11%	▲152,000	+60.41%	$1.13Mn
15	Potomac Capital Management, Inc.	0001418746	365,000	1.00%	▼21,900	-5.66%	$1.02Mn
16	BNP PARIBAS FINANCIAL MARKETS	0001166588	329,368	0.90%	▲1,800	+0.55%	$922.23K
17	MILLENNIUM MANAGEMENT LLC	0001273087	292,940	0.80%	▲4,103	+1.42%	$820.23K
18	GSA CAPITAL PARTNERS LLP	0001362033	280,659	0.77%	▲68,860	+32.51%	$786
19	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	239,694	0.66%	▲239,694	0.00%	$671.14K
20	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	233,895	0.64%	▼175,000	-42.80%	$654.91K

Showing 1 to 20 of 71 holders