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Ciena Corp

Institutional holders · 13F as of Mar 31, 2026

Holder	Value ↓	Shares	% of shares
JANUS HENDERSON GROUP PLC	$96.75M	249,204	0.18%
RHUMBLINE ADVISERS	$95.62M	246,308	0.17%
Neuberger Berman Group LLC	$90.63M	387,168	0.27%
Swiss National Bank	$90.37M	386,432	0.27%
Whale Rock Capital Management LLC	$89.78M	231,267	0.16%
RAYMOND JAMES FINANCIAL INC	$83.55M	356,943	0.25%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	$81.41M	209,689	0.15%
LPL Financial LLC	$80.68M	164,458	0.12%
Munro Partners	$71.20M	304,430	0.22%
Sumitomo Mitsui Trust Group, Inc.	$67.99M	290,727	0.21%
WELLS FARGO & COMPANY/MN	$67.79M	289,873	0.20%
Senvest Management, LLC	$67.14M	172,926	0.12%
Zurcher Kantonalbank (Zurich Cantonalbank)	$66.89M	172,289	0.12%
TD ASSET MANAGEMENT INC	$65.97M	169,916	0.12%
Stephens Investment Management Group LLC	$64.51M	166,171	0.12%
Zurich Insurance Group Ltd/FI	$64.13M	165,181	0.12%
LMR Partners LLP	$63.61M	272,000	0.19%
AMERIPRISE FINANCIAL INC	$63.06M	269,638	0.19%
Principal Financial Group Inc	$60.92M	156,922	0.11%
ENVESTNET ASSET MANAGEMENT INC	$60.88M	260,295	0.18%
FOUNDATIONS INVESTMENT ADVISORS, LLC	$60.40M	258,283	0.18%
AMERICAN CENTURY COMPANIES INC	$59.11M	252,751	0.18%
CITIGROUP INC	$58.84M	251,595	0.18%
SEI INVESTMENTS CO	$58.33M	249,395	0.18%
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	$56.35M	240,967	0.17%
Bridgewater Associates, LP	$55.85M	143,846	0.10%
Williams Jones Wealth Management, LLC.	$54.26M	232,005	0.16%
CI INVESTMENTS INC.	$49.94M	128,643	0.09%
National Pension Service	$49.68M	212,421	0.15%
Rokos Capital Management LLP	$49.24M	210,676	0.15%
Barclays PLC	$49.00M	209,508	0.15%
MARSHALL WACE, LLP	$48.91M	125,977	0.09%
BECKER CAPITAL MANAGEMENT INC	$46.87M	200,424	0.14%
Amanah Holdings Trust	$46.77M	200,000	0.14%
ADAGE CAPITAL PARTNERS GP, L.L.C.	$45.11M	116,200	0.08%
12th Street Asset Management Company, LLC	$42.00M	179,584	0.13%
ThornTree Capital Partners LP	$41.78M	178,657	0.13%
Allianz Asset Management GmbH	$40.51M	173,209	0.12%
Retirement Systems of Alabama	$39.59M	169,290	0.12%
TITAN GLOBAL CAPITAL MANAGEMENT USA LLC	$39.19M	167,569	0.12%
DigitalBridge Group, Inc.	$38.83M	166,032	0.12%
Renaissance Technologies LLC	$37.97M	97,800	0.07%
AVIVA PLC	$37.44M	96,431	0.07%
CPPIB Crestone Peak Resources Canada Inc.	$35.79M	92,200	0.07%
Millennium Management LLC	$35.22M	90,716	0.06%
Loomis, Sayles & Co., L.P.	$34.14M	145,982	0.10%
NATIXIS	$34.06M	87,743	0.06%
Gotham Asset Management, LLC	$31.88M	136,304	0.10%
Steadfast Capital Management LP	$31.71M	81,670	0.06%
WT Asset Management Ltd	$31.27M	133,700	0.09%