Question 1

Does Bridgewater Associates own CIEN stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Bridgewater Associates holds 101,038 shares of CIEN (Ciena), worth $49.6M.

Question 2

How many shares of CIEN does Bridgewater Associates own?

Accepted Answer

As of its Q2 2026 13F, Bridgewater Associates holds 101,038 shares of CIEN (Ciena).

Question 3

What is Bridgewater Associates' CIEN position worth?

Accepted Answer

As of its Q2 2026 13F, Bridgewater Associates' CIEN position is worth $49.6M.

Question 4

Is Bridgewater Associates buying or selling CIEN?

Accepted Answer

In Q2 2026, Bridgewater Associates reduced its CIEN position by 42,808 shares (-29.8%).

Question 5

When did Bridgewater Associates first buy CIEN?

Accepted Answer

Bridgewater Associates already held CIEN in its Q4 2018 13F, the earliest on record, and has listed it in 7 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	101,038	-29.8%	$49.6M	0.2%	$490.56	0
2026-Q1	Decreased	143,846	-32.4%	$55.8M	0.2%	$388.23	0
2025-Q4	Increased	212,643	+31.5%	$49.7M	0.2%	$233.87	45
2025-Q3	Increased	161,707	+237.2%	$23.6M	0.1%	$145.67	46
2025-Q2	New	47,956	—	$3.9M	0.0%	$81.33	37