Question 1

Does Guggenheim Capital own CIEN stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Guggenheim Capital holds 15,150 shares of CIEN (Ciena), worth $7.4M.

Question 2

How many shares of CIEN does Guggenheim Capital own?

Accepted Answer

As of its Q2 2026 13F, Guggenheim Capital holds 15,150 shares of CIEN (Ciena).

Question 3

What is Guggenheim Capital's CIEN position worth?

Accepted Answer

As of its Q2 2026 13F, Guggenheim Capital's CIEN position is worth $7.4M.

Question 4

Is Guggenheim Capital buying or selling CIEN?

Accepted Answer

In Q2 2026, Guggenheim Capital reduced its CIEN position by 4,047 shares (-21.1%).

Question 5

When did Guggenheim Capital first buy CIEN?

Accepted Answer

Guggenheim Capital already held CIEN in its Q1 2019 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	15,150	-21.1%	$7.4M	0.0%	$490.56	0
2026-Q1	Decreased	19,197	-1.8%	$7.5M	0.1%	$388.23	0
2025-Q4	Increased	19,550	+4.1%	$4.6M	0.0%	$233.87	28
2025-Q3	Increased	18,782	+1.1%	$2.7M	0.0%	$145.67	26
2025-Q2	Increased	18,573	+27.9%	$1.5M	0.0%	$81.33	32
2025-Q1	Increased	14,520	+12.8%	$877,444	0.0%	$60.43	28
2024-Q4	Decreased	12,876	-86.1%	$1.1M	0.0%	$84.81	0
2024-Q3	Decreased	92,850	-14.9%	$5.7M	0.0%	$61.59	0