Question 1

How many shares of CIEN does Polar Capital Holdings Plc own?

Accepted Answer

Polar Capital Holdings Plc previously held 0 shares of CIEN (CIENA CORP) before exiting the position in 2026-Q2.

Question 2

What is Polar Capital Holdings Plc's CIEN position worth?

Accepted Answer

Polar Capital Holdings Plc's CIEN position was last reported at $0 in 2026-Q2 before the exit.

Question 3

Is Polar Capital Holdings Plc buying or selling CIEN?

Accepted Answer

In 2026-Q2, Polar Capital Holdings Plc exited their CIEN position entirely (-100.0% change in shares).

Question 4

When did Polar Capital Holdings Plc first buy CIEN?

Accepted Answer

Based on available 13F filings, Polar Capital Holdings Plc first reported a position in CIEN in 2024-Q3. They have held the position across 10 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Exited	0	-100.0%	$0	0.0%	$490.56	0
2026-Q1	Decreased	798,395	-38.1%	$310M	1.1%	$333.07	0
2025-Q4	Decreased	1.3M	-11.9%	$301.6M	1.2%	$238.36	0
2025-Q3	Increased	1.5M	+13.9%	$213.1M	1.0%	$144.12	55
2025-Q2	Increased	1.3M	+4.0%	$104.5M	0.5%	$82.12	44
2025-Q1	Decreased	1.2M	-43.1%	$74.6M	0.5%	$61.56	0
2024-Q4	Increased	2.2M	+113.7%	$184M	1.0%	$85.01	77
2024-Q3	New	1M	—	$62.5M	0.3%	$61.81	49