Question 1

How many shares of CIEN does CAPSTONE INVESTMENT ADVISORS, LLC own?

Accepted Answer

CAPSTONE INVESTMENT ADVISORS, LLC previously held 0 shares of CIEN (CIENA CORP) before exiting the position in 2026-Q1.

Question 2

What is CAPSTONE INVESTMENT ADVISORS, LLC's CIEN position worth?

Accepted Answer

CAPSTONE INVESTMENT ADVISORS, LLC's CIEN position was last reported at $0 in 2026-Q1 before the exit.

Question 3

Is CAPSTONE INVESTMENT ADVISORS, LLC buying or selling CIEN?

Accepted Answer

In 2026-Q1, CAPSTONE INVESTMENT ADVISORS, LLC exited their CIEN position entirely (-100.0% change in shares).

Question 4

When did CAPSTONE INVESTMENT ADVISORS, LLC first buy CIEN?

Accepted Answer

Based on available 13F filings, CAPSTONE INVESTMENT ADVISORS, LLC first reported a position in CIEN in 2025-Q2. They have held the position across 6 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$388.23	0
2025-Q4	Decreased	856	-71.1%	$200,193	0.0%	$233.87	0
2025-Q3	Decreased	2,966	-74.1%	$432,057	0.0%	$145.67	0
2025-Q2	New	11,434	—	$929,927	0.0%	$81.33	35