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Ciena Corporation CIEN

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230.59 USD -41.65 (-15.30%)

Nov 5, 2026, 12:55 PM EST

225.57 Day range 257.51

176.45 52-week range 627.00

YTD: -1.40%
1 year: +17.76%

Funds holding CIEN, by value held
Fund	Value held	Weight in fund
FGCKX	$1.71B	1.70%
VTI	$1.58B	0.07%
VOO	$1.31B	0.08%
VO	$1.07B	0.49%
FXAIX	$647.21M	0.07%
VUG	$624.82M	0.16%
SPY	$524.08M	0.07%
IVV	$516.56M	0.06%
FMAGX	$424.85M	1.16%
IDGT* MX	$422.43M	4.51%
TWCUX	$392.28M	1.47%
VOT	$390.98M	1.18%
VGT	$376.24M	0.21%
NIZ	$346.08M	0.63%
XLK	$311.31M	0.27%
VINIX	$263.41M	0.08%
RU10VATR	$195.22M	0.26%
FZAHX	$190.72M	0.54%
NJG	$184.86M	0.24%
RSP	$176.30M	0.17%

Held by insiders 0.56%

Held by institutions 95.98%

Float held by institutions 96.52%

Institutions 1,628

Top institutional holders
Holder	% held	Shares	Value	Reported
FMR, LLC	13.48%	19,113,538	5.19B	Jun 29, 2026
Blackrock Inc.	8.97%	12,718,494	3.45B	Jun 29, 2026
JPMORGAN CHASE & CO	7.90%	11,206,209	3.04B	Jun 29, 2026
Vanguard Capital Management LLC	6.51%	9,233,803	2.51B	Jun 29, 2026
Vanguard Portfolio Management LLC	5.42%	7,680,665	2.09B	Jun 29, 2026
State Street Corporation	4.71%	6,680,578	1.81B	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund	3.72%	5,279,405	1.43B	Aug 30, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.17%	4,488,946	1.22B	Jun 29, 2026
JPMorgan Trust II-JPMorgan Large Cap Growth Fund	3.04%	4,307,044	1.17B	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund	2.58%	3,663,385	994.70M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund	2.16%	3,063,673	831.86M	Jun 29, 2026
iShares Trust-iShares Core S&P 500 ETF	1.33%	1,886,745	512.30M	Sep 29, 2026

CIEN insiders
Insider	Relation	Latest transaction	Date	Shares held
CLAFLIN BRUCE L	Director	Sale	Sep 23, 2026	0
CUMELLO JOSEPH RONALD	Officer	Sale	Sep 24, 2026	39,570
FITT LAWTON WEHLE	Director	Stock Award(Grant)	Mar 25, 2026	130,033
GALLAGHER PATRICK T.	Director	Stock Award(Grant)	Mar 25, 2026	50,789
GRAFF MARC D.	Chief Financial Officer	Sale	Sep 30, 2026	107,136
KOSARAJU SHEELA	Officer	Sale	Sep 30, 2026	84,065