SEI Investments’s Magnachip Semiconductor MX Stock Holding History

SEI Investments’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 Q1	–	Sell	-24,381	Closed	-$62.2K	–	3295
2025 Q4	$62.2K	Buy	+24,381	New	+$67.9K	﹤0.01%	3057
2025 Q3	–	Sell	-15,315	Closed	-$61K	–	2876
2025 Q2	$61K	Buy	+15,315	New	+$53.2K	﹤0.01%	2737
2020 Q3	–	Sell	-31,190	Closed	-$321K	–	2471
2020 Q2	$321K	Sell	31,190 -97,297	-76%	-$1.08M	﹤0.01%	2055
2020 Q1	$1.42M	Sell	128,487 -8,204	-6%	-$99.5K	0.01%	1300
2019 Q4	$1.59M	Buy	136,691 +53,220	+64%	+$624K	﹤0.01%	1443
2019 Q3	$846K	Buy	83,471 +24,560	+42%	+$258K	﹤0.01%	1672
2019 Q2	$610K	Hold	58,911	–	–	﹤0.01%	1784
2019 Q1	$436K	Buy	+58,911	New	+$419K	﹤0.01%	1963

Other funds holding MX

OCM

Oaktree Capital Management Los Angeles, California $6.56B AUM 42.97% 1-Year Est. Return

FCM

FourWorld Capital Management New York $196M AUM 42.39% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Immersion Aventura, Florida $145M AUM 17.41% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Clearline Capital New York $1.93B AUM 38.13% 1-Year Est. Return

FWSM

First Wilshire Securities Management Pasadena, California $444M AUM 42.88% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

SEI Investments's MX Position: Q1 2026 in Review

SEI Investments sold out of Magnachip Semiconductor (MX) in Q1 2026, closing a stake of 24,381 shares — an estimated $62.2K sold.

SEI Investments first reported a position in MX in Q1 2019 and held it in 8 quarters. The position peaked at $1.59M in Q4 2019. 71 funds tracked by Wall St. Rank hold MX as of Q1 2026.

SEI Investments reported no remaining Magnachip Semiconductor position as of Q1 2026 after selling out during the quarter.
SEI Investments sold 24,381 Magnachip Semiconductor shares in Q1 2026, an estimated $62.2K.
SEI Investments first reported a position in Magnachip Semiconductor in Q1 2019 and held it in 8 quarters.
SEI Investments's Magnachip Semiconductor position peaked at $1.59M in Q4 2019.
71 funds tracked by Wall St. Rank held Magnachip Semiconductor as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.