Group One Trading
SIMO icon

Group One Trading’s Silicon Motion SIMO Stock Holding History

Group One Trading’s Portfolio SIMO Stock Details SIMO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$21.3M Buy
63,800
+36,700
+135% +$8.5M 0.03% 516
2026
Q1 		$3.04M Sell
27,100
-4,300
-14% -$522K 0.01% 1698
2025
Q4 		$2.91M Sell
31,400
-88,000
-74% -$8.08M 0.01% 1943
2025
Q3 		$11.3M Sell
119,400
-31,700
-21% -$2.52M 0.02% 832
2025
Q2 		$11.4M Buy
151,100
+125,000
+479% +$7.1M 0.03% 729
2025
Q1 		$1.32M Sell
26,100
-88,100
-77% -$4.76M ﹤0.01% 2215
2024
Q4 		$6.17M Sell
114,200
-12,100
-10% -$678K 0.01% 1011
2024
Q3 		$7.67M Buy
126,300
+66,600
+112% +$4.39M 0.02% 738
2024
Q2 		$4.84M Sell
59,700
-2,400
-4% -$187K 0.02% 821
2024
Q1 		$4.78M Sell
62,100
-291,200
-82% -$19.9M 0.02% 856
2023
Q4 		$21.6M Buy
353,300
+48,600
+16% +$2.78M 0.06% 316
2023
Q3 		$15.6M Buy
304,700
+116,700
+62% +$6.64M 0.05% 314
2023
Q2 		$13.5M Buy
188,000
+89,100
+90% +$5.7M 0.04% 378
2023
Q1 		$6.48M Buy
98,900
+18,800
+23% +$1.23M 0.02% 699
2022
Q4 		$5.21M Buy
80,100
+45,100
+129% +$2.77M 0.01% 1116
2022
Q3 		$2.28M Buy
35,000
+2,400
+7% +$188K ﹤0.01% 1795
2022
Q2 		$2.73M Buy
32,600
+24,400
+298% +$2.06M ﹤0.01% 1766
2022
Q1 		$548K Sell
8,200
-228,700
-97% -$17.8M ﹤0.01% 3711
2021
Q4 		$22.5M Buy
236,900
+68,300
+41% +$5.15M 0.02% 626
2021
Q3 		$11.6M Buy
168,600
+152,900
+974% +$10.8M 0.01% 967
2021
Q2 		$1.01M Buy
15,700
+6,400
+69% +$421K ﹤0.01% 3412
2021
Q1 		$552K Buy
9,300
+4,200
+82% +$239K ﹤0.01% 3924
2020
Q4 		$246K Sell
5,100
-17,900
-78% -$731K ﹤0.01% 3906
2020
Q3 		$869K Buy
23,000
+15,800
+219% +$633K ﹤0.01% 2327
2020
Q2 		$351K Buy
7,200
+5,400
+300% +$239K ﹤0.01% 2913
2020
Q1 		$66K Buy
+1,800
New +$77.7K ﹤0.01% 3561
2019
Q4 		– Sell
-3,000
Closed -$106K – 5561
2019
Q3 		$106K Sell
3,000
-2,000
-40% -$72.5K ﹤0.01% 3517
2019
Q2 		$222K Buy
+5,000
New +$201K ﹤0.01% 2777
2018
Q1 		– Sell
-12,300
Closed -$651K – 5261
2017
Q4 		$651K Buy
12,300
+11,100
+925% +$562K ﹤0.01% 2046
2017
Q3 		$58K Sell
1,200
-100
-8% -$4.43K ﹤0.01% 3554
2017
Q2 		$63K Sell
1,300
-14,000
-92% -$693K ﹤0.01% 3383
2017
Q1 		$715K Sell
15,300
-4,700
-24% -$200K 0.01% 1590
2016
Q4 		$850K Buy
20,000
+4,800
+32% +$219K 0.01% 1423
2016
Q3 		$787K Sell
15,200
-2,100
-12% -$110K 0.01% 1449
2016
Q2 		$827K Sell
17,300
-38,600
-69% -$1.62M 0.01% 1374
2016
Q1 		$2.17M Buy
55,900
+51,100
+1,065% +$1.65M 0.03% 727
2015
Q4 		$151K Sell
4,800
-28,300
-85% -$886K ﹤0.01% 2699
2015
Q3 		$904K Buy
33,100
+21,100
+176% +$565K 0.01% 1320
2015
Q2 		$415K Buy
12,000
+9,100
+314% +$297K 0.01% 1941
2015
Q1 		$78K Sell
2,900
-18,900
-87% -$516K ﹤0.01% 3069
2014
Q4 		$516K Buy
21,800
+5,800
+36% +$139K 0.01% 1537
2014
Q3 		$431K Sell
16,000
-21,600
-57% -$543K 0.01% 1731
2014
Q2 		$768K Buy
37,600
+36,700
+4,078% +$625K 0.01% 1316
2014
Q1 		$15K Sell
900
-6,100
-87% -$98.4K ﹤0.01% 4411
2013
Q4 		$99K Sell
7,000
-5,800
-45% -$79.1K ﹤0.01% 3042
2013
Q3 		$167K Buy
12,800
+2,800
+28% +$31.6K ﹤0.01% 2537
2013
Q2 		$106K Buy
+10,000
New +$110K ﹤0.01% 2760

Other funds holding SIMO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Alkeon Capital Management
Alkeon Capital Management New York $74.1B AUM 71.18% 1-Year Est. Return
HRCM
Hawk Ridge Capital Management Los Angeles, California $3.12B AUM 53.42% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $42.4B AUM 181.11% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
WHCM
Wolf Hill Capital Management Greenwich, Connecticut $1.2B AUM 137.35% 1-Year Est. Return

Group One Trading's SIMO Position: Q2 2025 in Review

Group One Trading sold out of Silicon Motion (SIMO) in Q2 2025, closing a stake of 10,542 shares — an estimated $599K sold.

Group One Trading first reported a position in SIMO in Q2 2013 and held it in 30 quarters. The position peaked at $16M in Q2 2023. 212 funds tracked by Wall St. Rank hold SIMO as of Q2 2025.

  • Group One Trading reported no remaining Silicon Motion position as of Q2 2025 after selling out during the quarter.
  • Group One Trading sold 10,542 Silicon Motion shares in Q2 2025, an estimated $599K.
  • Group One Trading first reported a position in Silicon Motion in Q2 2013 and held it in 30 quarters.
  • Group One Trading's Silicon Motion position peaked at $16M in Q2 2023.
  • 212 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2025.

Based on Group One Trading's 13F filing for Q2 2025, filed 14 Aug 2025.