Question 1

Does Engineers Gate Manager own CIEN stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Engineers Gate Manager holds 13,642 shares of CIEN (Ciena), worth $6.7M.

Question 2

How many shares of CIEN does Engineers Gate Manager own?

Accepted Answer

As of its Q2 2026 13F, Engineers Gate Manager holds 13,642 shares of CIEN (Ciena).

Question 3

What is Engineers Gate Manager's CIEN position worth?

Accepted Answer

As of its Q2 2026 13F, Engineers Gate Manager's CIEN position is worth $6.7M.

Question 4

Is Engineers Gate Manager buying or selling CIEN?

Accepted Answer

In Q2 2026, Engineers Gate Manager increased its CIEN position by 7,244 shares (+113.2%).

Question 5

When did Engineers Gate Manager first buy CIEN?

Accepted Answer

Engineers Gate Manager already held CIEN in its Q1 2019 13F, the earliest on record, and has listed it in 25 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	13,642	+113.2%	$6.7M	0.1%	$490.56	44
2026-Q1	Decreased	6,398	-44.5%	$2.5M	0.0%	$388.23	0
2025-Q4	Increased	11,532	+7.8%	$2.7M	0.0%	$233.87	28
2025-Q3	Increased	10,695	+109.5%	$1.6M	0.0%	$145.67	41
2025-Q2	Decreased	5,104	-79.4%	$415,108	0.0%	$81.33	0
2025-Q1	New	24,797	—	$1.5M	0.0%	$60.43	35
2024-Q3	Exited	0	-100.0%	$0	0.0%	$61.59	0