Question 1

Does Ubs own ATRA stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Ubs holds 3,979 shares of ATRA (Atara Biotherapeutics), worth $45,679.

Question 2

How many shares of ATRA does Ubs own?

Accepted Answer

As of its Q2 2026 13F, Ubs holds 3,979 shares of ATRA (Atara Biotherapeutics).

Question 3

What is Ubs' ATRA position worth?

Accepted Answer

As of its Q2 2026 13F, Ubs' ATRA position is worth $45,679.

Question 4

Is Ubs buying or selling ATRA?

Accepted Answer

In Q2 2026, Ubs reduced its ATRA position by 46,091 shares (-92.1%).

Question 5

When did Ubs first buy ATRA?

Accepted Answer

Ubs already held ATRA in its Q2 2024 13F, the earliest on record, and has listed it in 9 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	3,979	-92.0%	$45,679	0.0%	$11.48	0
2026-Q1	Increased	50,070	+3484.1%	$236,831	0.0%	$4.73	25
2025-Q4	Decreased	1,397	-91.9%	$25,271	0.0%	$18.09	0
2025-Q3	Increased	17,268	+105.9%	$247,451	0.0%	$14.33	25
2025-Q2	Decreased	8,385	-65.5%	$64,732	0.0%	$7.72	0
2025-Q1	Increased	24,334	+2817.8%	$144,544	0.0%	$5.94	25
2024-Q4	Increased	834	+107.5%	$11,101	0.0%	$13.31	19
2024-Q3	Decreased	402	-0.3%	$3,268	0.0%	$8.13	0
2024-Q2	New	403	-	$3,426	0.0%	$8.50	21

ATRA9 quarters

ATRA
9 quarters