Jim Simons’s Magnachip Semiconductor MX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $99.4K | Buy |
+35,500
| New | +$101K | ﹤0.01% | 3029 |
|
|
2025
Q4 | – | Sell |
-97,900
| Closed | -$306K | – | 3574 |
|
|
2025
Q3 | $306K | Buy |
+97,900
| New | +$332K | ﹤0.01% | 2984 |
|
|
2025
Q2 | – | Sell |
-18,900
| Closed | -$64.8K | – | 3780 |
|
|
2025
Q1 | $64.8K | Sell |
18,900
-219,000
| -92% | -$922K | ﹤0.01% | 3257 |
|
|
2024
Q4 | $956K | Buy |
237,900
+44,546
| +23% | +$190K | ﹤0.01% | 2526 |
|
|
2024
Q3 | $903K | Buy |
+193,354
| New | +$940K | ﹤0.01% | 2504 |
|
|
2024
Q2 | – | Sell |
-16,788
| Closed | -$94K | – | 3803 |
|
|
2024
Q1 | $94K | Sell |
16,788
-420,900
| -96% | -$2.69M | ﹤0.01% | 3382 |
|
|
2023
Q4 | $3.28M | Buy |
437,688
+350,900
| +404% | +$2.56M | 0.01% | 1624 |
|
|
2023
Q3 | $721K | Sell |
86,788
-27,400
| -24% | -$239K | ﹤0.01% | 2516 |
|
|
2023
Q2 | $1.28M | Sell |
114,188
-22,399
| -16% | -$219K | ﹤0.01% | 2314 |
|
|
2023
Q1 | $1.27M | Buy |
136,587
+108,744
| +391% | +$1.08M | ﹤0.01% | 2317 |
|
|
2022
Q4 | $261K | Buy |
+27,843
| New | +$269K | ﹤0.01% | 3292 |
|
|
2022
Q1 | – | Sell |
-92,288
| Closed | -$1.94M | – | 4340 |
|
|
2021
Q4 | $1.94M | Buy |
+92,288
| New | +$1.71M | ﹤0.01% | 2175 |
|
|
2021
Q1 | – | Sell |
-187,831
| Closed | -$2.54M | – | 3572 |
|
|
2020
Q4 | $2.54M | Buy |
187,831
+48,600
| +35% | +$670K | ﹤0.01% | 1975 |
|
|
2020
Q3 | $1.91M | Sell |
139,231
-236,000
| -63% | -$2.81M | ﹤0.01% | 2164 |
|
|
2020
Q2 | $3.87M | Buy |
375,231
+268,501
| +252% | +$2.99M | ﹤0.01% | 1804 |
|
|
2020
Q1 | $1.18M | Sell |
106,730
-56,301
| -35% | -$683K | ﹤0.01% | 2345 |
|
|
2019
Q4 | $1.89M | Sell |
163,031
-26,200
| -14% | -$307K | ﹤0.01% | 2355 |
|
|
2019
Q3 | $1.92M | Buy |
189,231
+106,000
| +127% | +$1.11M | ﹤0.01% | 2304 |
|
|
2019
Q2 | $861K | Buy |
+83,231
| New | +$761K | ﹤0.01% | 2752 |
|
|
2018
Q1 | – | Sell |
-268,131
| Closed | -$2.67M | – | 3499 |
|
|
2017
Q4 | $2.67M | Sell |
268,131
-25,493
| -9% | -$287K | ﹤0.01% | 2176 |
|
|
2017
Q3 | $3.33M | Sell |
293,624
-217,818
| -43% | -$2.41M | ﹤0.01% | 2014 |
|
|
2017
Q2 | $5.01M | Buy |
511,442
+100,311
| +24% | +$898K | 0.01% | 1714 |
|
|
2017
Q1 | $3.93M | Buy |
411,131
+183,000
| +80% | +$1.44M | 0.01% | 1838 |
|
|
2016
Q4 | $1.41M | Buy |
228,131
+200,100
| +714% | +$1.36M | ﹤0.01% | 2393 |
|
|
2016
Q3 | $234K | Buy |
+28,031
| New | +$204K | ﹤0.01% | 3027 |
|
|
2014
Q3 | – | Sell |
-279,942
| Closed | -$3.95M | – | 2903 |
|
|
2014
Q2 | $3.95M | Sell |
279,942
-378,089
| -57% | -$5.09M | 0.01% | 1368 |
|
|
2014
Q1 | $9.17M | Buy |
658,031
+391,200
| +147% | +$6.25M | 0.02% | 915 |
|
|
2013
Q4 | $5.2M | Sell |
266,831
-148,800
| -36% | -$3M | 0.01% | 1175 |
|
|
2013
Q3 | $8.95M | Buy |
415,631
+65,400
| +19% | +$1.32M | 0.02% | 861 |
|
|
2013
Q2 | $6.4M | Buy |
+350,231
| New | +$5.89M | 0.02% | 958 |
|
Other funds holding MX
OCM
FCM
I
CC
FWSM
Jim Simons's MX Position: Q1 2026 in Review
Jim Simons opened a new position in Magnachip Semiconductor (MX) in Q1 2026: 35,500 shares worth $99.4K. The stake represents ﹤0.01% of the portfolio and ranks #3029 among its holdings. This is a return to the name: Jim Simons previously reported a position in MX as recently as Q3 2025.
Jim Simons first reported a position in MX in Q2 2013 and has held it in 30 quarters since. The position peaked at $9.17M in Q1 2014. 71 funds tracked by Wall St. Rank hold MX as of Q1 2026.
- Jim Simons held 35,500 shares of Magnachip Semiconductor worth $99.4K as of Q1 2026.
- Magnachip Semiconductor was a new Jim Simons position in Q1 2026.
- Magnachip Semiconductor made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #3029 holding.
- Jim Simons first reported a position in Magnachip Semiconductor in Q2 2013 and has held it in 30 quarters since.
- Jim Simons's Magnachip Semiconductor position peaked at $9.17M in Q1 2014.
- 71 funds tracked by Wall St. Rank held Magnachip Semiconductor as of Q1 2026.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.