Citadel Advisors
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Citadel Advisors’s Magnachip Semiconductor MX Stock Holding History

Citadel Advisors’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 		$247K Buy
+88,074
New +$251K ﹤0.01% 10946
2025
Q4 		– Sell
-183,005
Closed -$509K – 13595
2025
Q3 		$573K Sell
183,005
-31,783
-15% -$108K ﹤0.01% 8800
2025
Q2 		$855K Sell
214,788
-139,429
-39% -$484K ﹤0.01% 7437
2025
Q1 		$1.21M Buy
354,217
+160,875
+83% +$677K ﹤0.01% 6527
2024
Q4 		$777K Buy
193,342
+22,366
+13% +$95.2K ﹤0.01% 7567
2024
Q3 		$798K Sell
170,976
-21,090
-11% -$102K ﹤0.01% 7304
2024
Q2 		$935K Buy
192,066
+22,825
+13% +$115K ﹤0.01% 6721
2024
Q1 		$944K Buy
169,241
+65,610
+63% +$420K ﹤0.01% 7036
2023
Q4 		$777K Buy
103,631
+87,197
+531% +$637K ﹤0.01% 7194
2023
Q3 		$137K Sell
16,434
-18,360
-53% -$160K ﹤0.01% 10500
2023
Q2 		$389K Sell
34,794
-140,853
-80% -$1.38M ﹤0.01% 8473
2023
Q1 		$1.63M Buy
175,647
+54,648
+45% +$541K ﹤0.01% 5753
2022
Q4 		$1.14M Buy
120,999
+66,598
+122% +$644K ﹤0.01% 6560
2022
Q3 		$557K Sell
54,401
-187,272
-77% -$2.46M ﹤0.01% 8221
2022
Q2 		$3.51M Buy
241,673
+165,024
+215% +$2.84M ﹤0.01% 4466
2022
Q1 		$1.3M Sell
76,649
-282,366
-79% -$5.07M ﹤0.01% 7097
2021
Q4 		$7.53M Sell
359,015
-108,426
-23% -$2M ﹤0.01% 3568
2021
Q3 		$8.3M Buy
467,441
+249,394
+114% +$4.97M ﹤0.01% 3391
2021
Q2 		$5.2M Buy
218,047
+132,992
+156% +$3.26M ﹤0.01% 4340
2021
Q1 		$2.12M Buy
85,055
+69,030
+431% +$1.35M ﹤0.01% 6255
2020
Q4 		$217K Sell
16,025
-12,415
-44% -$171K ﹤0.01% 9617
2020
Q3 		$390K Sell
28,440
-27,153
-49% -$323K ﹤0.01% 7710
2020
Q2 		$573K Buy
55,593
+29,157
+110% +$325K ﹤0.01% 6831
2020
Q1 		$292K Sell
26,436
-29,679
-53% -$360K ﹤0.01% 7388
2019
Q4 		$651K Buy
+56,115
New +$658K ﹤0.01% 6370
2019
Q3 		– Sell
-41,229
Closed -$427K – 9555
2019
Q2 		$427K Sell
41,229
-11,034
-21% -$101K ﹤0.01% 7060
2019
Q1 		$387K Sell
52,263
-29,510
-36% -$210K ﹤0.01% 7218
2018
Q4 		$508K Buy
81,773
+14,568
+22% +$113K ﹤0.01% 6368
2018
Q3 		$665K Buy
67,205
+27,670
+70% +$304K ﹤0.01% 6240
2018
Q2 		$405K Buy
39,535
+28,361
+254% +$294K ﹤0.01% 6713
2018
Q1 		$107K Sell
11,174
-61,910
-85% -$654K ﹤0.01% 7686
2017
Q4 		$727K Buy
73,084
+57,619
+373% +$650K ﹤0.01% 5104
2017
Q3 		$176K Sell
15,465
-4,203
-21% -$46.5K ﹤0.01% 6780
2017
Q2 		$193K Buy
+19,668
New +$176K ﹤0.01% 6600
2016
Q4 		– Sell
-17,461
Closed -$146K – 7639
2016
Q3 		$146K Buy
+17,461
New +$127K ﹤0.01% 6489
2016
Q1 		– Sell
-13,274
Closed -$61.8K – 7554
2015
Q4 		$70K Sell
13,274
-4,438
-25% -$25.1K ﹤0.01% 7036
2015
Q3 		$117K Buy
+17,712
New +$147K ﹤0.01% 6805
2015
Q2 		– Sell
-21,419
Closed -$138K – 8945
2015
Q1 		$117K Sell
21,419
-86,987
-80% -$817K ﹤0.01% 6715
2014
Q4 		$1.41M Buy
108,406
+4,357
+4% +$51K ﹤0.01% 3334
2014
Q3 		$1.22M Buy
104,049
+70,044
+206% +$917K ﹤0.01% 3467
2014
Q2 		$480K Buy
+34,005
New +$458K ﹤0.01% 4449

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
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Citadel Advisors's MX Position: Q1 2026 in Review

Citadel Advisors opened a new position in Magnachip Semiconductor (MX) in Q1 2026: 88,074 shares worth $247K. The stake represents ﹤0.01% of the portfolio and ranks #10946 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in MX as recently as Q3 2025.

Citadel Advisors first reported a position in MX in Q2 2014 and has held it in 41 quarters since. The position peaked at $8.3M in Q3 2021. 71 funds tracked by Wall St. Rank hold MX as of Q1 2026.

  • Citadel Advisors held 88,074 shares of Magnachip Semiconductor worth $247K as of Q1 2026.
  • Magnachip Semiconductor was a new Citadel Advisors position in Q1 2026.
  • Magnachip Semiconductor made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #10946 holding.
  • Citadel Advisors first reported a position in Magnachip Semiconductor in Q2 2014 and has held it in 41 quarters since.
  • Citadel Advisors's Magnachip Semiconductor position peaked at $8.3M in Q3 2021.
  • 71 funds tracked by Wall St. Rank held Magnachip Semiconductor as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.