Question 1

Does Gilder Gagnon Howe own CALX stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Gilder Gagnon Howe holds 580,323 shares of CALX (Calix), worth $21.7M.

Question 2

How many shares of CALX does Gilder Gagnon Howe own?

Accepted Answer

As of its Q2 2026 13F, Gilder Gagnon Howe holds 580,323 shares of CALX (Calix).

Question 3

What is Gilder Gagnon Howe's CALX position worth?

Accepted Answer

As of its Q2 2026 13F, Gilder Gagnon Howe's CALX position is worth $21.7M.

Question 4

Is Gilder Gagnon Howe buying or selling CALX?

Accepted Answer

In Q2 2026, Gilder Gagnon Howe reduced its CALX position by 198,769 shares (-25.5%).

Question 5

When did Gilder Gagnon Howe first buy CALX?

Accepted Answer

Gilder Gagnon Howe already held CALX in its Q1 2019 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	580,323	-25.5%	$21.7M	0.2%	$37.32	0
2026-Q1	Decreased	779,092	-12.3%	$38.2M	0.5%	$48.99	0
2025-Q4	Decreased	887,927	-1.6%	$47M	0.5%	$52.93	0
2025-Q3	Decreased	902,621	-1.2%	$55.4M	0.6%	$61.37	0
2025-Q2	Increased	913,698	+14.7%	$48.6M	0.5%	$53.19	47
2025-Q1	Increased	796,459	+16.5%	$28.2M	0.4%	$35.44	40
2024-Q4	Decreased	683,878	-28.4%	$23.8M	0.3%	$34.87	0
2024-Q3	Increased	955,668	+18.4%	$37.1M	0.4%	$38.79	41