Question 1

Does Marshall Wace own PRAX stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Marshall Wace holds 137,008 shares of PRAX (Praxis Precision Medicines), worth $45.9M.

Question 2

How many shares of PRAX does Marshall Wace own?

Accepted Answer

As of its Q2 2026 13F, Marshall Wace holds 137,008 shares of PRAX (Praxis Precision Medicines).

Question 3

What is Marshall Wace's PRAX position worth?

Accepted Answer

As of its Q2 2026 13F, Marshall Wace's PRAX position is worth $45.9M.

Question 4

Is Marshall Wace buying or selling PRAX?

Accepted Answer

In Q2 2026, Marshall Wace increased its PRAX position from 45,149 to 137,008 shares.

Question 5

When did Marshall Wace first buy PRAX?

Accepted Answer

Marshall Wace already held PRAX in its Q4 2023 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	Increased	137,008	+203.5%	$45.9M	0.0%	$334.79	47
2026-Q1	Decreased	45,149	-34.8%	$14.5M	0.0%	$322.19	0
2025-Q4	Increased	69,242	+1.6%	$20.4M	0.0%	$294.74	29
2025-Q3	New	68,141	—	$3.6M	0.0%	$53.00	37
2025-Q1	Exited	0	-100.0%	$0	0.0%	$37.87	0
2024-Q4	Decreased	58,305	-65.7%	$4.5M	0.0%	$76.96	0
2024-Q3	Decreased	170,095	-31.5%	$9.8M	0.0%	$57.83	0