Question 1

How many shares of CIEN does VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. own?

Accepted Answer

As of 2026-Q1, VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. holds 55,677 shares of CIEN (CIENA CORP).

Question 2

What is VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.'s CIEN position worth?

Accepted Answer

As of 2026-Q1, VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.'s CIEN position is worth $21.6M.

Question 3

Is VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. buying or selling CIEN?

Accepted Answer

In 2026-Q1, VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. decreased their CIEN position (-12.3% change in shares).

Question 4

When did VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. first buy CIEN?

Accepted Answer

Based on available 13F filings, VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. first reported a position in CIEN in 2024-Q3. They have held the position across 7 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	55,677	-12.3%	$21.6M	0.2%	$333.07	0
2025-Q4	Decreased	63,462	-91.1%	$14.8M	0.1%	$238.36	0
2025-Q3	Decreased	713,696	-42.2%	$104M	0.9%	$144.12	0
2025-Q2	Increased	1.2M	+375.4%	$100.5M	0.9%	$82.12	68
2025-Q1	Decreased	259,904	-67.5%	$15.7M	0.2%	$61.56	0
2024-Q4	Increased	799,546	+21.9%	$67.8M	0.6%	$85.01	50
2024-Q3	New	656,196	—	$40.4M	0.4%	$61.81	48