Ciena Corp (CIEN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

149,915,385Shares Outstanding

241,952Shares held by institutions

$73,149,348Value of institutional holdings

95.12%Institutional ownership %

10.01%Shares Changed QoQ

796No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Ciena Corp (NYSE:CIEN) is held by 796 institutional firms.

The collective stake of institutional investors in Ciena moved to 95.1% in December 2025, a shift down from the 97.9% reported for September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 10.01%, with a year-over-year an increase of 51.33% in the count of filers.
A review of institutional activity for Ciena shows 470 of 796 filers increasing their positions, while 257 reduced their stake, and 69 remained unchanged.
This class of investors increased its holdings in Ciena to 142.59Mn shares for the 13F-cycle ending December 2025, up by 12.97Mn shares quarter on quarter, and up 1.59Mn shares year over year.
As of December 31, 2025, FMR LLC held Ciena's largest shareholding position with over 21.13Mn shares, representing 14.09% of total outstanding shares.
Among the most significant buyers of Ciena during December 2025 were Elyxium Wealth, LLC (11.75Mn), JPMORGAN CHASE & CO (4.40Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (1.09Mn), BlackRock, Inc. (1.07Mn), VOYA INVESTMENT MANAGEMENT LLC (877.56K).
Leading sellers of Ciena stock in December 2025 included BARROW HANLEY MEWHINNEY & STRAUSS LLC (1.68Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.34Mn), Analog Century Management LP (1.01Mn), BANK OF AMERICA CORP /DE/ (966.97K), Hood River Capital Management LLC (729.43K).
The top 10 institutional holders of Ciena for the quarter ending December 2025 included FMR LLC (21.13Mn), BlackRock, Inc. (16.67Mn), VANGUARD GROUP INC (14.38Mn), Elyxium Wealth, LLC (11.75Mn), JPMORGAN CHASE & CO (10.86Mn), STATE STREET CORP (5.10Mn), GEODE CAPITAL MANAGEMENT, LLC (2.69Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (2.24Mn), BANK OF AMERICA CORP /DE/ (2.16Mn), BNP Paribas Asset Management Holding S.A. (1.97Mn).

796 Institutional Holders

241,952 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	21,128,210	-30,176	-0.14%	$4,941,254,307.00
BlackRock, Inc.	31 Dec, 2025	16,668,830	1,072,719	6.88%	$3,898,339,156.00
VANGUARD GROUP INC	31 Dec, 2025	14,376,579	-692,023	-4.59%	$3,362,250,530.00
Elyxium Wealth, LLC	31 Dec, 2025	11,749,306	11,749,306	0.00%	$11,783,072.00
JPMORGAN CHASE & CO	31 Dec, 2025	10,864,292	4,401,452	68.10%	$2,540,832,224.00
STATE STREET CORP	31 Dec, 2025	5,102,409	750,128	17.24%	$1,193,300,393.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,687,437	145,948	5.74%	$627,567,346.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	2,236,835	1,092,980	95.55%	$523,128,601.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	2,164,447	-966,967	-30.88%	$506,199,208.00
BNP Paribas Asset Management Holding S.A.	31 Dec, 2025	1,973,150	-533,036	-21.27%	$461,478.00
Capital World Investors	31 Dec, 2025	1,868,881	31,900	1.74%	$437,075,199.00
Jericho Capital Asset Management L.P.	31 Dec, 2025	1,656,172	-326,828	-16.48%	$387,328,946.00
Atreides Management, LP	31 Dec, 2025	1,428,230	27,466	1.96%	$334,020,150.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,412,560	-89,908	-5.98%	$330,355,301.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,396,874	-598,825	-30.01%	$326,720,052.00
MORGAN STANLEY	31 Dec, 2025	1,384,972	-356,903	-20.49%	$323,903,769.00
Polar Capital Holdings Plc	31 Dec, 2025	1,289,427	-173,784	-11.88%	$301,558,292.00
NORTHERN TRUST CORP	31 Dec, 2025	1,216,923	33,809	2.86%	$284,601,781.00
Bank of New York Mellon Corp	31 Dec, 2025	1,118,142	57,218	5.39%	$261,499,909.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	1,098,593	-1,342,295	-54.99%	$256,927,945.00

1 - 20 of 796

Research Tools