Mangrove Partners’s Silicon Motion SIMO Stock Holding History

Mangrove 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 Q2	–	Sell	-95,000	Closed	-$4.8M	–	207
2025 Q1	$4.8M	Hold	95,000	–	–	0.52%	39
2024 Q4	$5.13M	Buy	+95,000	New	+$5.32M	0.57%	45
2023 Q4	–	Sell	-149,290	Closed	-$7.65M	–	187
2023 Q3	$7.65M	Buy	+149,290	New	+$8.49M	0.58%	60
2022 Q4	–	Sell	-741,160	Closed	-$48.3M	–	365
2022 Q3	$48.3M	Buy	741,160 +602,935	+436%	+$47.3M	2.8%	1
2022 Q2	$11.6M	Buy	+138,225	New	+$11.6M	0.57%	37

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

Mangrove Partners's SIMO Position: Q2 2025 in Review

Mangrove Partners sold out of Silicon Motion (SIMO) in Q2 2025, closing a stake of 95,000 shares — an estimated $4.8M sold.

Mangrove Partners first reported a position in SIMO in Q2 2022 and held it in 5 quarters. The position peaked at $48.3M in Q3 2022. 212 funds tracked by Wall St. Rank hold SIMO as of Q2 2025.

Mangrove Partners reported no remaining Silicon Motion position as of Q2 2025 after selling out during the quarter.
Mangrove Partners sold 95,000 Silicon Motion shares in Q2 2025, an estimated $4.8M.
Mangrove Partners first reported a position in Silicon Motion in Q2 2022 and held it in 5 quarters.
Mangrove Partners's Silicon Motion position peaked at $48.3M in Q3 2022.
212 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2025.

Based on Mangrove Partners's 13F filing for Q2 2025, filed 14 Aug 2025.