Question 1

How many shares of ERAS does GROUP ONE TRADING LLC own?

Accepted Answer

GROUP ONE TRADING LLC previously held 0 shares of ERAS (Erasca, Inc.) before exiting the position in 2025-Q4.

Question 2

What is GROUP ONE TRADING LLC's ERAS position worth?

Accepted Answer

GROUP ONE TRADING LLC's ERAS position was last reported at $0 in 2025-Q4 before the exit.

Question 3

Is GROUP ONE TRADING LLC buying or selling ERAS?

Accepted Answer

In 2025-Q4, GROUP ONE TRADING LLC exited their ERAS position entirely (-100.0% change in shares).

Question 4

When did GROUP ONE TRADING LLC first buy ERAS?

Accepted Answer

Based on available 13F filings, GROUP ONE TRADING LLC first reported a position in ERAS in 2024-Q3. They have held the position across 8 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Exited	0	-100.0%	$0	0.0%	$3.54	0
2025-Q3	Increased	3,054	+79.7%	$6,658	0.0%	$2.11	17
2025-Q2	New	1,700	—	$2,159	0.0%	$1.31	18
2024-Q3	Exited	0	-100.0%	$0	0.0%	$2.68	0