Jane Street’s Magnachip Semiconductor MX Stock Holding History

Jane Street’s Portfolio MX Stock Details MX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$367K	Buy	+77,500	New	+$376K	﹤0.01%	8746
2024 Q4	–	Sell	-100,000	Closed	-$467K	–	10150
2024 Q3	$467K	Buy	+100,000	New	+$486K	﹤0.01%	7306
2022 Q4	–	Sell	-12,100	Closed	-$124K	–	9771
2022 Q3	$124K	Sell	12,100 -70,200	-85%	-$921K	﹤0.01%	8529
2022 Q2	$1.2M	Sell	82,300 -8,500	-9%	-$146K	﹤0.01%	5142
2022 Q1	$1.53M	Buy	90,800 +3,300	+4%	+$59.3K	﹤0.01%	5254
2021 Q4	$1.83M	Buy	87,500 +27,800	+47%	+$514K	﹤0.01%	4650
2021 Q3	$1.06M	Sell	59,700 -66,300	-53%	-$1.32M	﹤0.01%	5800
2021 Q2	$3.01M	Sell	126,000 -142,300	-53%	-$3.49M	﹤0.01%	3568
2021 Q1	$6.68M	Buy	+268,300	New	+$5.26M	﹤0.01%	2006
2019 Q1	–	Sell	-100,000	Closed	-$621K	–	5403
2018 Q4	$621K	Buy	+100,000	New	+$779K	﹤0.01%	3185
2017 Q3	–	Sell	-45,600	Closed	-$447K	–	4860
2017 Q2	$447K	Sell	45,600 -300,000	-87%	-$2.68M	﹤0.01%	3169
2017 Q1	$3.3M	Buy	+345,600	New	+$2.72M	0.01%	969

Other funds holding MX

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

FCM

FourWorld Capital Management New York $110M AUM 44.07% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

OCM

Oaktree Capital Management Los Angeles, California $7.21B AUM 45.97% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $52.8B AUM 58.98% 1-Year Est. Return

Jane Street's MX Position: Q2 2026 in Review

Jane Street increased its Magnachip Semiconductor (MX) stake by 334% in Q2 2026, buying an estimated $805K and bringing the position to 215,877 shares worth $1.02M. The position accounts for ﹤0.01% of the portfolio, ranked #6507.

Jane Street first reported a position in MX in Q2 2013 and has held it in 28 quarters since. The position peaked at $2.09M in Q2 2021. 76 funds tracked by Wall St. Rank hold MX as of Q2 2026.

Jane Street held 215,877 shares of Magnachip Semiconductor worth $1.02M as of Q2 2026.
Jane Street bought 166,108 Magnachip Semiconductor shares in Q2 2026, an estimated $805K.
Magnachip Semiconductor made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #6507 holding.
Jane Street first reported a position in Magnachip Semiconductor in Q2 2013 and has held it in 28 quarters since.
Jane Street's Magnachip Semiconductor position peaked at $2.09M in Q2 2021.
76 funds tracked by Wall St. Rank held Magnachip Semiconductor as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.