Thomas Steyer’s Silicon Motion SIMO Stock Holding History

Thomas Steyer’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 Q2	–	Sell	-29,298	Closed	-$1.48M	–	156
2025 Q1	$1.48M	Sell	29,298 -385,702	-93%	-$20.9M	0.01%	89
2024 Q4	$22.4M	Sell	415,000 -99,000	-19%	-$5.54M	0.1%	71
2024 Q3	$31.2M	Sell	514,000 -53,534	-9%	-$3.53M	0.14%	73
2024 Q2	$46M	Sell	567,534 -287,915	-34%	-$22.5M	0.2%	61
2024 Q1	$65.8M	Buy	855,449 +608,949	+247%	+$41.6M	0.28%	53
2023 Q4	$15.1M	Sell	246,500 -798,500	-76%	-$45.7M	0.07%	73
2023 Q3	$53.6M	Buy	1,045,000 +110,000	+12%	+$6.26M	0.25%	56
2023 Q2	$67.2M	Buy	935,000 +230,000	+33%	+$14.7M	0.34%	57
2023 Q1	$46.2M	Sell	705,000 -226,510	-24%	-$14.9M	0.25%	61
2022 Q4	$60.5M	Hold	931,510	–	–	0.36%	60
2022 Q3	$60.7M	Buy	931,510 +155,000	+20%	+$12.1M	0.33%	67
2022 Q2	$65M	Buy	+776,510	New	+$65.4M	0.35%	64

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

FCM

Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 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

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

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

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

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

Thomas Steyer's SIMO Position: Q2 2025 in Review

Thomas Steyer sold out of Silicon Motion (SIMO) in Q2 2025, closing a stake of 29,298 shares — an estimated $1.48M sold.

Thomas Steyer first reported a position in SIMO in Q2 2022 and held it in 12 quarters. The position peaked at $67.2M in Q2 2023. 212 funds tracked by Wall St. Rank hold SIMO as of Q2 2025.

Thomas Steyer reported no remaining Silicon Motion position as of Q2 2025 after selling out during the quarter.
Thomas Steyer sold 29,298 Silicon Motion shares in Q2 2025, an estimated $1.48M.
Thomas Steyer first reported a position in Silicon Motion in Q2 2022 and held it in 12 quarters.
Thomas Steyer's Silicon Motion position peaked at $67.2M in Q2 2023.
212 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2025.

Based on Farallon Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.