Question 1

Does Twin Tree Management own CIEN stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Twin Tree Management holds 5,995 shares of CIEN (Ciena), worth $2.9M.

Question 2

How many shares of CIEN does Twin Tree Management own?

Accepted Answer

As of its Q2 2026 13F, Twin Tree Management holds 5,995 shares of CIEN (Ciena).

Question 3

What is Twin Tree Management's CIEN position worth?

Accepted Answer

As of its Q2 2026 13F, Twin Tree Management's CIEN position is worth $2.9M.

Question 4

Is Twin Tree Management buying or selling CIEN?

Accepted Answer

In Q2 2026, Twin Tree Management increased its CIEN position by 1,422 shares (+31.1%).

Question 5

When did Twin Tree Management first buy CIEN?

Accepted Answer

Twin Tree Management first reported CIEN in its Q1 2019 13F and has listed it in 24 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	5,995	+31.1%	$2.9M	0.1%	$490.56	33
2026-Q1	Decreased	4,573	-92.5%	$1.8M	0.0%	$388.23	0
2025-Q4	Decreased	61,185	-53.5%	$14.3M	0.1%	$233.87	0
2025-Q3	Increased	131,506	+35.5%	$19.2M	0.1%	$145.67	37
2025-Q2	Increased	97,040	+105.6%	$7.9M	0.0%	$81.33	44
2025-Q1	Increased	47,199	+140.8%	$2.9M	0.0%	$60.43	42
2024-Q4	Increased	19,602	+396.6%	$1.7M	0.0%	$84.81	41
2024-Q3	Decreased	3,947	-77.7%	$243,096	0.0%	$61.59	0