Question 1

Does First Manhattan own CIEN stock?

Accepted Answer

Yes. As of its Q2 2026 13F, First Manhattan holds 32,396 shares of CIEN (Ciena), worth $15.9M.

Question 2

How many shares of CIEN does First Manhattan own?

Accepted Answer

As of its Q2 2026 13F, First Manhattan holds 32,396 shares of CIEN (Ciena).

Question 3

What is First Manhattan's CIEN position worth?

Accepted Answer

As of its Q2 2026 13F, First Manhattan's CIEN position is worth $15.9M.

Question 4

Is First Manhattan buying or selling CIEN?

Accepted Answer

In Q2 2026, First Manhattan reduced its CIEN position by 1,423 shares (-4.2%).

Question 5

When did First Manhattan first buy CIEN?

Accepted Answer

First Manhattan already held CIEN in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q2 Latest	Decreased	32,396	-4.2%	$15.9M	0.0%	$490.56
2026-Q1	Decreased	33,819	-26.7%	$13.1M	0.0%	$388.23
2025-Q4	Decreased	46,141	-2.5%	$10.8M	0.0%	$233.87
2025-Q3	Decreased	47,341	-10.5%	$6.9M	0.0%	$145.67
2025-Q2	Decreased	52,872	-11.6%	$4.3M	0.0%	$81.33
2025-Q1	Decreased	59,827	-28.8%	$3.6M	0.0%	$60.43
2024-Q4	Decreased	84,044	-1.1%	$7.1M	0.0%	$84.81
2024-Q3	Decreased	84,944	-0.3%	$5.2M	0.0%	$61.59