Harbour Capital Advisors, LLC

SEC CIK: 0001682501
Latest filing: Jul 15, 2026

SEC filings (opens in a new tab)

CIEN holding history

Ciena Corp in every 13F filed by Harbour Capital Advisors, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CIEN overview All 13F holders of CIEN Full Q2 2026 holdings

Shares (Q2 2026): 38,547
Value: $17.8M
% of portfolio: 3.2%
Quarters held: 22; Since Q1 2021

Holdings of CIEN by Harbour Capital Advisors, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	38,547	$17.8M	3.2%	−470−1.2%	Reduced	Holders
Q1 2026	39,017	$19.5M	3.7%	+49+0.1%	Added	Holders
Q4 2025	38,968	$9.59M	2.0%	−568−1.4%	Reduced	Holders
Q3 2025	39,536	$5.99M	1.2%	−939−2.3%	Reduced	Holders
Q2 2025	40,475	$3.22M	0.7%	−80−0.2%	Reduced	Holders
Q1 2025	40,555	$2.28M	0.6%	+4,845+13.6%	Added	Holders
Q4 2024	35,710	$2.99M	0.7%	+4,235+13.5%	Added	Holders
Q3 2024	31,475	$2.12M	0.5%	+955+3.1%	Added	Holders
Q2 2024	30,520	$1.46M	0.3%	−40−0.1%	Reduced	Holders
Q1 2024	30,560	$1.49M	0.4%	+1,225+4.2%	Added	Holders
Q4 2023	29,335	$1.31M	0.4%	−850−2.8%	Reduced	Holders
Q3 2023	30,185	$1.43M	0.4%	−425−1.4%	Reduced	Holders
Q2 2023	30,610	$1.29M	0.4%	−12,634−29.2%	Reduced	Holders
Q1 2023	43,244	$2.27M	0.7%	−1,890−4.2%	Reduced	Holders
Q4 2022	45,134	$2.29M	0.8%	−568−1.2%	Reduced	Holders
Q3 2022	45,702	$1.82M	0.6%	+50.0%	Added	Holders
Q2 2022	45,697	$2.09M	0.7%	+280+0.6%	Added	Holders
Q1 2022	45,417	$2.75M	0.8%	+220+0.5%	Added	Holders
Q4 2021	45,197	$3.48M	0.9%	+801+1.8%	Added	Holders
Q3 2021	44,396	$2.28M	0.6%	−90−0.2%	Reduced	Holders
Q2 2021	44,486	$2.53M	0.7%	+1,213+2.8%	Added	Holders
Q1 2021	43,273	$2.37M	0.7%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.