Question 1

Does Polar Capital Holdings own CIEN stock?

Accepted Answer

No. Polar Capital Holdings exited its CIEN (Ciena) position in Q2 2026. Its Q1 2026 13F listed 798,395 shares worth $310M.

Question 2

How many shares of CIEN does Polar Capital Holdings own?

Accepted Answer

None since Q2 2026, when Polar Capital Holdings exited the position. Its Q1 2026 13F listed 798,395 shares worth $310M.

Question 3

What is Polar Capital Holdings' CIEN position worth?

Accepted Answer

Polar Capital Holdings' CIEN position was worth $310M in its Q1 2026 13F, before the exit in Q2 2026.

Question 4

Is Polar Capital Holdings buying or selling CIEN?

Accepted Answer

In Q2 2026, Polar Capital Holdings exited its entire CIEN position.

Question 5

When did Polar Capital Holdings first buy CIEN?

Accepted Answer

Polar Capital Holdings first reported CIEN in its Q1 2024 13F and listed it in 8 quarterly 13F filings.

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%	$388.23	0
2025-Q4	Decreased	1.3M	-11.9%	$301.6M	1.2%	$233.87	0
2025-Q3	Increased	1.5M	+13.9%	$213.1M	1.0%	$145.67	55
2025-Q2	Increased	1.3M	+4.0%	$104.5M	0.5%	$81.33	44
2025-Q1	Decreased	1.2M	-43.1%	$74.6M	0.5%	$60.43	0
2024-Q4	Increased	2.2M	+113.7%	$184M	1.0%	$84.81	77
2024-Q3	New	1M	—	$62.5M	0.3%	$61.59	49