Manatuck Hill Partners’s Silicon Motion SIMO Stock Holding History

Manatuck Hill Partners’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
2025 Q3	–	Sell	-20,000	Closed	-$1.5M	–	141
2025 Q2	$1.5M	Buy	+20,000	New	+$1.14M	0.57%	57
2024 Q4	–	Sell	-20,000	Closed	-$1.21M	–	145
2024 Q3	$1.21M	Buy	20,000 +10,000	+100%	+$659K	0.45%	58
2024 Q2	$810K	Sell	10,000 -35,000	-78%	-$2.73M	0.34%	73
2024 Q1	$3.46M	Buy	45,000 +15,000	+50%	+$1.02M	1.52%	20
2023 Q4	$1.84M	Buy	+30,000	New	+$1.72M	0.77%	35
2022 Q1	–	Sell	-40,000	Closed	-$3.8M	–	145
2021 Q4	$3.8M	Buy	+40,000	New	+$3.01M	1.44%	24
2020 Q3	–	Sell	-14,800	Closed	-$722K	–	108
2020 Q2	$722K	Buy	+14,800	New	+$656K	0.42%	52

Other funds holding SIMO

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Pertento Partners London, United Kingdom $1.86B AUM 53.86% 1-Year Est. Return

Lord, Abbett & Co Jersey City, New Jersey $34.9B AUM 72.7% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Lazard Asset Management New York $66.1B AUM 33.53% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Manatuck Hill Partners's SIMO Position: Q3 2025 in Review

Manatuck Hill Partners sold out of Silicon Motion (SIMO) in Q3 2025, closing a stake of 20,000 shares — an estimated $1.5M sold.

Manatuck Hill Partners first reported a position in SIMO in Q2 2020 and held it in 7 quarters. The position peaked at $3.8M in Q4 2021. 219 funds tracked by Wall St. Rank hold SIMO as of Q3 2025.

Manatuck Hill Partners reported no remaining Silicon Motion position as of Q3 2025 after selling out during the quarter.
Manatuck Hill Partners sold 20,000 Silicon Motion shares in Q3 2025, an estimated $1.5M.
Manatuck Hill Partners first reported a position in Silicon Motion in Q2 2020 and held it in 7 quarters.
Manatuck Hill Partners's Silicon Motion position peaked at $3.8M in Q4 2021.
219 funds tracked by Wall St. Rank held Silicon Motion as of Q3 2025.

Based on Manatuck Hill Partners's 13F filing for Q3 2025, filed 14 Nov 2025.