Fox Run Management’s Silicon Motion SIMO Stock Holding History

Fox Run Management’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	$675K	Buy	+2,026	New	+$469K	0.11%	354
2026 Q1	–	Sell	-7,047	Closed	-$653K	–	1205
2025 Q4	$653K	Buy	+7,047	New	+$647K	0.1%	384
2024 Q3	–	Sell	-12,024	Closed	-$974K	–	1074
2024 Q2	$974K	Buy	12,024 +7,394	+160%	+$578K	0.18%	196
2024 Q1	$356K	Buy	+4,630	New	+$316K	0.08%	475
2021 Q4	–	Sell	-7,051	Closed	-$486K	–	683
2021 Q3	$486K	Buy	+7,051	New	+$498K	0.31%	86
2020 Q1	–	Sell	-5,515	Closed	-$280K	–	333
2019 Q4	$280K	Buy	+5,515	New	+$237K	0.23%	219
2018 Q4	–	Sell	-10,215	Closed	-$549K	–	701
2018 Q3	$549K	Buy	+10,215	New	+$566K	0.24%	144
2016 Q4	–	Sell	-5,500	Closed	-$285K	–	653
2016 Q3	$285K	Buy	+5,500	New	+$287K	0.17%	272
2016 Q1	–	Sell	-9,800	Closed	-$307K	–	535
2015 Q4	$307K	Buy	+9,800	New	+$307K	0.24%	155

Other funds holding SIMO

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

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

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

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

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 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

Fox Run Management's SIMO Position: Q2 2026 in Review

Fox Run Management opened a new position in Silicon Motion (SIMO) in Q2 2026: 2,026 shares worth $675K. The stake represents 0.11% of the portfolio and ranks #354 among its holdings. This is a return to the name: Fox Run Management previously reported a position in SIMO as recently as Q4 2025.

Fox Run Management first reported a position in SIMO in Q4 2015 and has held it in 9 quarters since. The position peaked at $974K in Q2 2024. 385 funds tracked by Wall St. Rank hold SIMO as of Q2 2026.

Fox Run Management held 2,026 shares of Silicon Motion worth $675K as of Q2 2026.
Silicon Motion was a new Fox Run Management position in Q2 2026.
Silicon Motion made up 0.11% of Fox Run Management's portfolio in Q2 2026, its #354 holding.
Fox Run Management first reported a position in Silicon Motion in Q4 2015 and has held it in 9 quarters since.
Fox Run Management's Silicon Motion position peaked at $974K in Q2 2024.
385 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2026.

Based on Fox Run Management's 13F filing for Q2 2026, filed 4 Aug 2026.