Question 1

How many shares of CABA does RENAISSANCE TECHNOLOGIES LLC own?

Accepted Answer

As of 2026-Q2, RENAISSANCE TECHNOLOGIES LLC holds 1.5M shares of CABA (Cabaletta Bio, Inc.).

Question 2

What is RENAISSANCE TECHNOLOGIES LLC's CABA position worth?

Accepted Answer

As of 2026-Q2, RENAISSANCE TECHNOLOGIES LLC's CABA position is worth $4.8M.

Question 3

Is RENAISSANCE TECHNOLOGIES LLC buying or selling CABA?

Accepted Answer

In 2026-Q2, RENAISSANCE TECHNOLOGIES LLC decreased their CABA position (-24.6% change in shares).

Question 4

When did RENAISSANCE TECHNOLOGIES LLC first buy CABA?

Accepted Answer

Based on available 13F filings, RENAISSANCE TECHNOLOGIES LLC first reported a position in CABA in 2024-Q4. They have held the position across 21 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	1.5M	-24.6%	$4.8M	0.0%	$3.11	0
2026-Q1	Increased	2M	+33.8%	$5.5M	0.0%	$3.25	35
2025-Q4	Increased	1.5M	+13.7%	$3.3M	0.0%	$2.15	30
2025-Q3	Increased	1.3M	+962.2%	$3.1M	0.0%	$2.38	43
2025-Q2	Increased	126,100	+1056.9%	$191,672	0.0%	$1.57	37
2025-Q1	Decreased	10,900	-95.3%	$15,097	0.0%	$1.55	0
2024-Q4	New	230,161	—	$522,465	0.0%	$2.24	33