Question 1

Does Group One Trading own SIMO stock?

Accepted Answer

No. Group One Trading exited its SIMO (Silicon Motion Technology) position in Q2 2025. Its Q1 2025 13F listed 10,542 shares worth $533,004.

Question 2

How many shares of SIMO does Group One Trading own?

Accepted Answer

None since Q2 2025, when Group One Trading exited the position. Its Q1 2025 13F listed 10,542 shares worth $533,004.

Question 3

What is Group One Trading's SIMO position worth?

Accepted Answer

Group One Trading's SIMO position was worth $533,004 in its Q1 2025 13F, before the exit in Q2 2025.

Question 4

Is Group One Trading buying or selling SIMO?

Accepted Answer

In Q2 2025, Group One Trading exited its entire SIMO position.

Question 5

When did Group One Trading first buy SIMO?

Accepted Answer

Group One Trading already held SIMO in its Q4 2018 13F, the earliest on record, and listed it in 11 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q2 Latest	Exited	0	-100.0%	$0	0.0%	$73.66	0
2025-Q1	New	10,542	—	$533,004	0.0%	$49.08	34
2024-Q3	Exited	0	-100.0%	$0	0.0%	$57.87	0