Historical shareholding details of Vanguard Total World Stock Index Fund holdings in CIENA Corp. (CIEN)

Monthly changes of Vanguard Total World Stock Index Fund shareholding in CIENA Corp. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Feb 28, 2025	Vanguard Total World Stock Index Fund	90,834	0.06%

Jan 31, 2025	Vanguard Total World Stock Index Fund	91,224	0.06%

Dec 31, 2024	Vanguard Total World Stock Index Fund	92,922	0.07%

Nov 30, 2024	Vanguard Total World Stock Index Fund	90,131	0.06%

Oct 31, 2024	Vanguard Total World Stock Index Fund	87,775	0.06%

Sep 30, 2024	Vanguard Total World Stock Index Fund	87,395	0.06%

Aug 31, 2024	Vanguard Total World Stock Index Fund	87,395	0.06%

Jul 31, 2024	Vanguard Total World Stock Index Fund	87,395	0.06%

Jun 30, 2024	Vanguard Total World Stock Index Fund	87,395	0.06%

May 31, 2024	Vanguard Total World Stock Index Fund	87,395	0.06%

Apr 30, 2024	Vanguard Total World Stock Index Fund	87,395	0.06%

Mar 31, 2024	Vanguard Total World Stock Index Fund	87,395	0.06%

Feb 29, 2024	Vanguard Total World Stock Index Fund	91,940	0.06%

Jan 31, 2024	Vanguard Total World Stock Index Fund	89,228	0.06%

Dec 31, 2023	Vanguard Total World Stock Index Fund	86,516	0.06%

Nov 30, 2023	Vanguard Total World Stock Index Fund	84,466	0.06%

Oct 31, 2023	Vanguard Total World Stock Index Fund	83,173	0.06%

Sep 30, 2023	Vanguard Total World Stock Index Fund	83,406	0.06%

Aug 31, 2023	Vanguard Total World Stock Index Fund	81,638	0.06%

Jul 31, 2023	Vanguard Total World Stock Index Fund	80,230	0.05%

Jun 30, 2023	Vanguard Total World Stock Index Fund	80,230	0.05%

May 31, 2023	Vanguard Total World Stock Index Fund	80,230	0.05%

Apr 30, 2023	Vanguard Total World Stock Index Fund	77,625	0.05%