Question 1

How many shares of PRAX does MARSHALL WACE, LLP own?

Accepted Answer

As of 2026-Q2, MARSHALL WACE, LLP holds 137,008 shares of PRAX (PRAXIS PRECISION MEDICINES I).

Question 2

What is MARSHALL WACE, LLP's PRAX position worth?

Accepted Answer

As of 2026-Q2, MARSHALL WACE, LLP's PRAX position is worth $45.9M.

Question 3

Is MARSHALL WACE, LLP buying or selling PRAX?

Accepted Answer

In 2026-Q2, MARSHALL WACE, LLP increased their PRAX position (+203.5% change in shares).

Question 4

When did MARSHALL WACE, LLP first buy PRAX?

Accepted Answer

Based on available 13F filings, MARSHALL WACE, LLP first reported a position in PRAX in 2024-Q3. They have held the position across 17 quarters.

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%	$318.22	0
2025-Q4	Increased	69,242	+1.6%	$20.4M	0.0%	$297.02	29
2025-Q3	New	68,141	—	$3.6M	0.0%	$52.38	37
2025-Q1	Exited	0	-100.0%	$0	0.0%	$38.66	0
2024-Q4	Decreased	58,305	-65.7%	$4.5M	0.0%	$76.26	0
2024-Q3	Decreased	170,095	-31.5%	$9.8M	0.0%	$57.83	0