Question 1

How many shares of CALX does RENAISSANCE TECHNOLOGIES LLC own?

Accepted Answer

As of 2026-Q2, RENAISSANCE TECHNOLOGIES LLC holds 548,118 shares of CALX (CALIX INC).

Question 2

What is RENAISSANCE TECHNOLOGIES LLC's CALX position worth?

Accepted Answer

As of 2026-Q2, RENAISSANCE TECHNOLOGIES LLC's CALX position is worth $20.5M.

Question 3

Is RENAISSANCE TECHNOLOGIES LLC buying or selling CALX?

Accepted Answer

In 2026-Q2, RENAISSANCE TECHNOLOGIES LLC increased their CALX position (+0.9% change in shares).

Question 4

When did RENAISSANCE TECHNOLOGIES LLC first buy CALX?

Accepted Answer

Based on available 13F filings, RENAISSANCE TECHNOLOGIES LLC first reported a position in CALX in 2024-Q3. They have held the position across 27 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	548,118	+0.9%	$20.5M	0.0%	$37.32	29
2026-Q1	Increased	543,418	+17.2%	$26.6M	0.0%	$48.99	33
2025-Q4	Increased	463,618	+77.8%	$24.5M	0.0%	$52.93	44
2025-Q3	Increased	260,818	+9.8%	$16M	0.0%	$61.37	31
2025-Q2	Increased	237,618	+125.6%	$12.6M	0.0%	$53.19	45
2025-Q1	Decreased	105,318	-34.4%	$3.7M	0.0%	$35.44	0
2024-Q4	Decreased	160,419	-21.3%	$5.6M	0.0%	$34.87	0
2024-Q3	Increased	203,918	+159.7%	$7.9M	0.0%	$38.79	44