Question 1

Does Marshall Wace own ANRO stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Marshall Wace holds 225,503 shares of ANRO (Alto Neuroscience), worth $6M.

Question 2

How many shares of ANRO does Marshall Wace own?

Accepted Answer

As of its Q2 2026 13F, Marshall Wace holds 225,503 shares of ANRO (Alto Neuroscience).

Question 3

What is Marshall Wace's ANRO position worth?

Accepted Answer

As of its Q2 2026 13F, Marshall Wace's ANRO position is worth $6M.

Question 4

Is Marshall Wace buying or selling ANRO?

Accepted Answer

In Q2 2026, Marshall Wace increased its ANRO position by 49,156 shares (+27.9%).

Question 5

When did Marshall Wace first buy ANRO?

Accepted Answer

Marshall Wace already held ANRO in its Q1 2024 13F, the earliest on record, and has listed it in 8 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	225,503	+27.9%	$6M	0.0%	$26.39	34
2026-Q1	Decreased	176,347	-8.7%	$4M	0.0%	$22.48	0
2025-Q4	Decreased	193,109	-76.6%	$3.4M	0.0%	$17.80	0
2025-Q3	Decreased	825,225	-12.0%	$3.3M	0.0%	$4.02	0
2025-Q2	Increased	937,407	+9.9%	$2.1M	0.0%	$2.20	29
2025-Q1	Increased	852,990	+1.9%	$1.8M	0.0%	$2.16	26
2024-Q4	New	837,374	—	$3.5M	0.0%	$4.23	37