Acadian Asset Management
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Acadian Asset Management’s Magnachip Semiconductor MX Stock Holding History

Acadian Asset Management’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 		$1.8M Buy
646,684
+64,828
+11% +$185K ﹤0.01% 986
2025
Q4 		$1.48M Buy
581,856
+149,900
+35% +$417K ﹤0.01% 1003
2025
Q3 		$1.34M Buy
431,956
+281,388
+187% +$953K ﹤0.01% 983
2025
Q2 		$596K Buy
+150,568
New +$523K ﹤0.01% 1099
2021
Q2 		– Sell
-129,258
Closed -$3.22M – 2146
2021
Q1 		$3.22M Sell
129,258
-193,087
-60% -$3.79M 0.01% 595
2020
Q4 		$4.36M Buy
322,345
+23,453
+8% +$323K 0.02% 535
2020
Q3 		$4.09M Sell
298,892
-205,862
-41% -$2.45M 0.02% 486
2020
Q2 		$5.2M Sell
504,754
-55,942
-10% -$623K 0.02% 477
2020
Q1 		$6.2M Buy
560,696
+136,837
+32% +$1.66M 0.04% 354
2019
Q4 		$4.92M Buy
423,859
+256,719
+154% +$3.01M 0.02% 440
2019
Q3 		$1.7M Buy
167,140
+131,699
+372% +$1.38M 0.01% 735
2019
Q2 		$367K Buy
+35,441
New +$324K ﹤0.01% 1085
2017
Q2 		– Sell
-356,477
Closed -$3.4M – 1530
2017
Q1 		$3.4M Sell
356,477
-393,962
-52% -$3.1M 0.02% 495
2016
Q4 		$4.65M Buy
750,439
+446,747
+147% +$3.04M 0.02% 428
2016
Q3 		$2.53M Buy
+303,692
New +$2.21M 0.01% 491
2015
Q2 		– Sell
-276,544
Closed -$1.51M – 1448
2015
Q1 		$1.51M Sell
276,544
-1,146,953
-81% -$10.8M 0.01% 592
2014
Q4 		$18.5M Hold
1,423,497
– – 0.08% 211
2014
Q3 		$16.7M Buy
1,423,497
+189,659
+15% +$2.48M 0.08% 225
2014
Q2 		$17.4M Buy
1,233,838
+20,272
+2% +$273K 0.08% 239
2014
Q1 		$16.9M Sell
1,213,566
-82,028
-6% -$1.31M 0.09% 190
2013
Q4 		$25.3M Buy
1,295,594
+190,138
+17% +$3.83M 0.14% 147
2013
Q3 		$23.8M Sell
1,105,456
-77,845
-7% -$1.57M 0.15% 143
2013
Q2 		$21.6M Buy
+1,183,301
New +$19.9M 0.15% 143

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
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
I
Immersion Aventura, Florida $145M AUM 17.41% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
CC
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
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
State of Wisconsin Investment Board
State of Wisconsin Investment Board Madison, Wisconsin $43.7B AUM 27.76% 1-Year Est. Return

Acadian Asset Management's MX Position: Q1 2026 in Review

Acadian Asset Management increased its Magnachip Semiconductor (MX) stake by 11% in Q1 2026, buying an estimated $185K and bringing the position to 646,684 shares worth $1.8M. The position accounts for ﹤0.01% of the portfolio, ranked #986.

Acadian Asset Management first reported a position in MX in Q2 2013 and has held it in 23 quarters since. The position peaked at $25.3M in Q4 2013. 71 funds tracked by Wall St. Rank hold MX as of Q1 2026.

  • Acadian Asset Management held 646,684 shares of Magnachip Semiconductor worth $1.8M as of Q1 2026.
  • Acadian Asset Management bought 64,828 Magnachip Semiconductor shares in Q1 2026, an estimated $185K.
  • Magnachip Semiconductor made up ﹤0.01% of Acadian Asset Management's portfolio in Q1 2026, its #986 holding.
  • Acadian Asset Management first reported a position in Magnachip Semiconductor in Q2 2013 and has held it in 23 quarters since.
  • Acadian Asset Management's Magnachip Semiconductor position peaked at $25.3M in Q4 2013.
  • 71 funds tracked by Wall St. Rank held Magnachip Semiconductor as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.