Perkins Capital Management’s Ciena CIEN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$785K	Sell	9,650 -4,500	-32%	-$366K	0.79%	39
2025 Q1	$855K	Hold	14,150	–	–	0.9%	37
2024 Q4	$1.2M	Sell	14,150 -600	-4%	-$50.9K	1.06%	31
2024 Q3	$908K	Sell	14,750 -2,000	-12%	-$123K	0.85%	39
2024 Q2	$807K	Hold	16,750	–	–	0.76%	41
2024 Q1	$828K	Sell	16,750 -500	-3%	-$24.7K	0.69%	46
2023 Q4	$776K	Hold	17,250	–	–	0.66%	49
2023 Q3	$815K	Hold	17,250	–	–	0.81%	39
2023 Q2	$733K	Sell	17,250 -750	-4%	-$31.9K	0.64%	47
2023 Q1	$945K	Hold	18,000	–	–	0.89%	41
2022 Q4	$918K	Hold	18,000	–	–	0.97%	37
2022 Q3	$728K	Hold	18,000	–	–	0.81%	39
2022 Q2	$823K	Hold	18,000	–	–	0.85%	43
2022 Q1	$1.09M	Sell	18,000 -250	-1%	-$15.2K	0.89%	43
2021 Q4	$1.41M	Hold	18,250	–	–	0.95%	38
2021 Q3	$937K	Hold	18,250	–	–	0.58%	52
2021 Q2	$1.04M	Hold	18,250	–	–	0.59%	51
2021 Q1	$999K	Hold	18,250	–	–	0.58%	53
2020 Q4	$965K	Hold	18,250	–	–	0.63%	47
2020 Q3	$724K	Buy	+18,250	New	+$724K	0.67%	46
2020 Q1	$766K	Sell	19,250 -1,000	-5%	-$39.8K	0.93%	41
2019 Q4	$864K	Sell	20,250 -4,000	-16%	-$171K	0.77%	44
2019 Q3	$951K	Hold	24,250	–	–	0.82%	48
2019 Q2	$997K	Sell	24,250 -3,500	-13%	-$144K	0.7%	42
2019 Q1	$1.04M	Sell	27,750 -2,500	-8%	-$93.3K	0.68%	46
2018 Q4	$1.03M	Buy	+30,250	New	+$1.03M	0.8%	36