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 		$933K Buy
+2,800
New +$649K ﹤0.01% 2938
2026
Q1 		– Sell
-15,300
Closed -$1.42M – 8632
2025
Q4 		$1.42M Sell
15,300
-7,200
-32% -$661K ﹤0.01% 2580
2025
Q3 		$2.13M Buy
22,500
+4,400
+24% +$350K ﹤0.01% 2256
2025
Q2 		$1.36M Sell
18,100
-7,600
-30% -$432K ﹤0.01% 2487
2025
Q1 		$1.3M Sell
25,700
-8,800
-26% -$476K ﹤0.01% 2225
2024
Q4 		$1.86M Buy
34,500
+27,500
+393% +$1.54M ﹤0.01% 1981
2024
Q3 		$425K Sell
7,000
-80,300
-92% -$5.29M ﹤0.01% 2983
2024
Q2 		$7.07M Buy
87,300
+63,800
+271% +$4.98M 0.03% 615
2024
Q1 		$1.81M Sell
23,500
-104,300
-82% -$7.12M 0.01% 1566
2023
Q4 		$7.83M Sell
127,800
-446,100
-78% -$25.5M 0.02% 839
2023
Q3 		$29.4M Sell
573,900
-306,200
-35% -$17.4M 0.1% 133
2023
Q2 		$63.2M Buy
880,100
+229,600
+35% +$14.7M 0.2% 57
2023
Q1 		$42.6M Buy
650,500
+81,800
+14% +$5.37M 0.15% 73
2022
Q4 		$37M Buy
568,700
+549,400
+2,847% +$33.7M 0.09% 215
2022
Q3 		$1.26M Buy
19,300
+13,100
+211% +$1.03M ﹤0.01% 2327
2022
Q2 		$519K Sell
6,200
-505,700
-99% -$42.6M ﹤0.01% 3383
2022
Q1 		$34.2M Buy
511,900
+505,000
+7,319% +$39.4M 0.03% 377
2021
Q4 		$656K Sell
6,900
-292,600
-98% -$22M ﹤0.01% 3820
2021
Q3 		$20.7M Buy
299,500
+131,100
+78% +$9.26M 0.02% 608
2021
Q2 		$10.8M Buy
168,400
+135,700
+415% +$8.92M 0.01% 1024
2021
Q1 		$1.94M Buy
+32,700
New +$1.86M ﹤0.01% 2498
2020
Q3 		– Sell
-100
Closed -$5K – 6507
2020
Q2 		$5K Buy
+100
New +$4.43K ﹤0.01% 5379
2019
Q4 		– Sell
-100
Closed -$4K – 5562
2019
Q3 		$4K Buy
+100
New +$3.62K ﹤0.01% 4817
2019
Q1 		– Sell
-300
Closed -$10K – 5314
2018
Q4 		$10K Hold
300
– – ﹤0.01% 4278
2018
Q3 		$16K Buy
+300
New +$16.6K ﹤0.01% 4474
2017
Q4 		– Sell
-100
Closed -$5K – 5187
2017
Q3 		$5K Sell
100
-4,700
-98% -$208K ﹤0.01% 4491
2017
Q2 		$232K Sell
4,800
-8,100
-63% -$401K ﹤0.01% 2538
2017
Q1 		$603K Buy
12,900
+9,100
+239% +$387K 0.01% 1718
2016
Q4 		$161K Sell
3,800
-1,200
-24% -$54.8K ﹤0.01% 2566
2016
Q3 		$259K Buy
5,000
+3,900
+355% +$203K ﹤0.01% 2289
2016
Q2 		$53K Buy
1,100
+100
+10% +$4.2K ﹤0.01% 3275
2016
Q1 		$39K Sell
1,000
-1,300
-57% -$42K ﹤0.01% 3402
2015
Q4 		$72K Sell
2,300
-7,500
-77% -$235K ﹤0.01% 3200
2015
Q3 		$268K Buy
9,800
+1,000
+11% +$26.8K ﹤0.01% 2283
2015
Q2 		$305K Sell
8,800
-4,700
-35% -$153K ﹤0.01% 2214
2015
Q1 		$363K Buy
13,500
+6,300
+88% +$172K 0.01% 1874
2014
Q4 		$170K Buy
7,200
+100
+1% +$2.4K ﹤0.01% 2434
2014
Q3 		$191K Buy
7,100
+3,300
+87% +$82.9K ﹤0.01% 2403
2014
Q2 		$78K Buy
3,800
+500
+15% +$8.52K ﹤0.01% 3215
2014
Q1 		$55K Buy
3,300
+2,200
+200% +$35.5K ﹤0.01% 3564
2013
Q4 		$16K Sell
1,100
-1,100
-50% -$15K ﹤0.01% 4374
2013
Q3 		$29K Sell
2,200
-7,400
-77% -$83.5K ﹤0.01% 3940
2013
Q2 		$102K Buy
+9,600
New +$106K ﹤0.01% 2802

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.