Historical shareholding details of Northwestern Mutual Wealth Management Co holdings in CIENA Corp. (CIEN)

Monthly changes of Northwestern Mutual Wealth Management Co shareholding in CIENA Corp. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Northwestern Mutual Wealth Management Co	16,034	0.01%

Sep 30, 2024	Northwestern Mutual Wealth Management Co	1,196	0.00%

Jun 30, 2024	Northwestern Mutual Wealth Management Co	1,597	0.00%

Mar 31, 2024	Northwestern Mutual Wealth Management Co	1,771	0.00%

Dec 31, 2023	Northwestern Mutual Wealth Management Co	1,635	0.00%

Sep 30, 2023	Northwestern Mutual Wealth Management Co	2,071	0.00%

Jun 30, 2023	Northwestern Mutual Wealth Management Co	2,736	0.00%

Mar 31, 2023	Northwestern Mutual Wealth Management Co	1,950	0.00%

Dec 31, 2022	Northwestern Mutual Wealth Management Co	2,675	0.00%