Question 1

Does Group One Trading own ANRO stock?

Accepted Answer

No. Group One Trading exited its ANRO (Alto Neuroscience) position in Q2 2026. Its Q1 2026 13F listed 400 shares worth $8,992.

Question 2

How many shares of ANRO does Group One Trading own?

Accepted Answer

None since Q2 2026, when Group One Trading exited the position. Its Q1 2026 13F listed 400 shares worth $8,992.

Question 3

What is Group One Trading's ANRO position worth?

Accepted Answer

Group One Trading's ANRO position was worth $8,992 in its Q1 2026 13F, before the exit in Q2 2026.

Question 4

Is Group One Trading buying or selling ANRO?

Accepted Answer

In Q2 2026, Group One Trading exited its entire ANRO position.

Question 5

When did Group One Trading first buy ANRO?

Accepted Answer

Group One Trading first reported ANRO in its Q1 2025 13F and listed it in 5 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Exited	0	-100.0%	$0	0.0%	$26.39	0
2026-Q1	Decreased	400	-71.7%	$8,992	0.0%	$22.48	0
2025-Q4	Decreased	1,413	-46.8%	$25,151	0.0%	$17.80	0
2025-Q3	Increased	2,658	+222.2%	$10,685	0.0%	$4.02	19
2025-Q2	Increased	825	+68.0%	$1,815	0.0%	$2.20	11
2025-Q1	New	491	—	$1,061	0.0%	$2.16	17