CIENA CORP (CIEN) is held by 312 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is FMR LLC as of Q1 2026.

Are institutions buying or selling CIEN?

In Q1 2026, 179 institutions opened or increased positions in CIENA CORP while 147 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on CIEN?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for CIENA CORP.

How many hedge funds hold CIEN?

312 institutional investors report holding CIENA CORP (CIEN) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into CIEN?

As of Q1 2026, tracked institutions in CIENA CORP show 179 buyers versus 147 sellers — net inflows.

Are Congress members and hedge funds both buying CIEN?

Yes — in the latest quarter, 5 members of Congress and 179 institutional investors bought CIENA CORP. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

CIENA CORP

CIEN·171779309·US·Common Stock·Technology - Communication Equipment-13D/G

312

Holders

(49 Elite)

$48.6B

Total Value

55% (326)

Consensus

179 buying - 147 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 312 funds

49 elite

Who's Trading

InsiderGDGraff Marc D.Sell $59KJul 1, 2026

InsiderCJCumello JosephSell $740KJun 26, 2026

InsiderGDGraff Marc D.Sell $57KJun 24, 2026

InsiderGBGage BrodieSell $559KJun 15, 2026

Congress

Gilbert CisnerosBuy $1,001 - $15,000May 29, 2026

Congress

Gilbert CisnerosBuy $1,001 - $15,000May 14, 2026

ActivistVAVanguard Capital Management7.5%Apr 29, 2026

ActivistVPVanguard Portfolio Management5.2%Apr 29, 2026

Congress

Rohit KhannaBuy $1,001 - $15,000Mar 30, 2026

Congress

Rohit KhannaBuy $1,001 - $15,000Feb 24, 2026

View all insider trades View all activist filings View all congressional trades

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	21.2M(+0.4%)	$8.2B	0.4%	+435.95%	38
BlackRock, Inc.	Decreased	13.4M(-19.8%)	$5.2B	0.1%	+385.61%	0
JPMORGAN CHASE & CO	Decreased	10.2M(-5.9%)	$3.7B	0.2%	+201.50%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	9.2M	$3.6B	0.1%	+38.33%	44
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	7.4M	$2.9B	0.2%	+38.33%	53
STATE STREET CORP	Increased	6.3M(+23.6%)	$2.4B	0.1%	+271.17%	39
PRICE T ROWE ASSOCIATES INC /MD/	Increased	5.2M(+29.4%)	$2B	0.2%	+120.69%	48
GEODE CAPITAL MANAGEMENT, LLC	Increased	4.1M(+51.3%)	$1.6B	0.1%	+210.42%	44
Capital Research Global Investors	New	2.8M	$1.1B	0.2%	+38.33%	53
BANK OF AMERICA CORP /DE/	Decreased	2M(-9.7%)	$758.8M	0.1%	+443.70%	0
Capital World Investors	Decreased	1.7M(-7.7%)	$669.6M	0.1%	+554.96%	0
JAJericho Capital Asset Management L.P.	Unchanged	1.7M	$643M	9.5%	+350.01%	0
MORGAN STANLEY	Increased	1.6M(+12.8%)	$606.2M	0.0%	+403.10%	35
Invesco Ltd.	Increased	1.5M(+0.8%)	$594.1M	0.1%	+216.77%	32
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	1.4M(-37.9%)	$539M	0.3%	+144.00%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	1.3M(+36.0%)	$493.9M	0.1%	+286.98%	41
VOYA INVESTMENT MANAGEMENT LLC	Increased	1.2M(+27.3%)	$467.9M	0.5%	+85.20%	46
NORTHERN TRUST CORP	Decreased	1.2M(-2.4%)	$460.9M	0.1%	+719.66%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	1.1M(-18.0%)	$444.7M	0.1%	+820.02%	0
BNP Paribas Asset Management Holding S.A.	Decreased	1M(-48.2%)	$396.6M	0.5%	+911.41%	0