Question 1

Does Renaissance Technologies own CLDX stock?

Accepted Answer

No. Renaissance Technologies exited its CLDX (Celldex Therapeutics) position in Q1 2026. Its Q4 2025 13F listed 118,488 shares worth $3.2M.

Question 2

How many shares of CLDX does Renaissance Technologies own?

Accepted Answer

None since Q1 2026, when Renaissance Technologies exited the position. Its Q4 2025 13F listed 118,488 shares worth $3.2M.

Question 3

What is Renaissance Technologies' CLDX position worth?

Accepted Answer

Renaissance Technologies' CLDX position was worth $3.2M in its Q4 2025 13F, before the exit in Q1 2026.

Question 4

Is Renaissance Technologies buying or selling CLDX?

Accepted Answer

In Q1 2026, Renaissance Technologies exited its entire CLDX position.

Question 5

When did Renaissance Technologies first buy CLDX?

Accepted Answer

Renaissance Technologies already held CLDX in its Q3 2019 13F, the earliest on record, and listed it in 17 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$31.72	0
2025-Q4	Decreased	118,488	-39.1%	$3.2M	0.0%	$27.16	0
2025-Q3	Increased	194,588	+7.3%	$5M	0.0%	$25.87	29
2025-Q2	Increased	181,388	+23.7%	$3.7M	0.0%	$20.35	32
2025-Q1	Increased	146,588	+7.3%	$2.7M	0.0%	$18.15	28
2024-Q4	New	136,588	—	$3.5M	0.0%	$25.27	37
2024-Q3	Exited	0	-100.0%	$0	0.0%	$33.99	0