What does CUSIP 171779309 represent in this 13F holders report?

CUSIP 171779309 is the security identifier for CIEN - CIENA CORP - Common Stock used to aggregate holder disclosures.

How many institutions held CIEN - CIENA CORP - Common Stock in Q2 2022?

440 institutional investors reported CIEN - CIENA CORP - Common Stock for Q2 2022. Use the holders table for investor-level position and value details.

CIENA CORP - Common Stock (CIEN)

CUSIP: 171779309

Q2 2022 13F Holders as of 30 Jun 2022

Type / Class: Equity / Common Stock
Shares outstanding: 141,483,681
Total 13F shares: 135,142,356
Share change: +1,319,503
Total reported value: $6,176,263,763
Put/Call ratio: 82%
Price per share: $45.70
Number of holders: 440
Value change: +$21,390,413
Number of buys: 206
Number of sells: 247

Security key

171779309

Report period

Q2 2022

Institutions

440

Top holders

CIEN full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2022 Previous quarter: Q1 2022 CIENA CORP SEC filings CIENA CORP company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 171779309

Newer quarter: Q3 2022 Previous quarter: Q1 2022

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top shareholders of CIEN - CIENA CORP - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

BlackRock Finance, Inc.

13D/G signal

—

Evidence rows

Latest as of

31 Mar 2022

13F Lead comparable stake: 11% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	11%	$964,436,000 15,906,925 shares	—	31 Mar 2022
VANGUARD GROUP INC	13F Company 13F	10%	$870,493,000 14,357,467 shares	—	31 Mar 2022
FMR LLC	13F Company 13F	6.2%	$534,601,000 8,817,430 shares	—	31 Mar 2022
ALLIANCEBERNSTEIN L.P.	13F Company 13F	3.7%	$318,524,000 5,253,577 shares	—	31 Mar 2022
STATE STREET CORP	13F Company 13F	3%	$255,754,000 4,218,280 shares	—	31 Mar 2022
Neuberger Berman Group LLC	13F Company 13F	2.5%	$214,363,000 3,534,894 shares	—	31 Mar 2022
Nuveen Asset Management, LLC	13F Company 13F	2.4%	$202,794,000 3,421,521 shares	—	31 Mar 2022
CONGRESS ASSET MANAGEMENT CO	13F Company 13F	2.4%	$206,854,000 3,411,750 shares	—	31 Mar 2022

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BANK OF AMERICA CORP /DE/	13F Company 13F	2.1%	$181,314,000 2,990,505 shares	—	31 Mar 2022
Ion Asset Management Ltd.	13F Company 13F	2.1%	$59,235,000 2,971,615 shares	—	31 Mar 2022
Bank of New York Mellon Corp	13F Company 13F	1.9%	$164,308,000 2,710,012 shares	—	31 Mar 2022
THRIVENT FINANCIAL FOR LUTHERANS	13F Company 13F	1.7%	$146,558,000 2,417,248 shares	—	31 Mar 2022
BNP Paribas Asset Management Holding S.A.	13F Company 13F	1.6%	$140,467,000 2,316,791 shares	—	31 Mar 2022
ACADIAN ASSET MANAGEMENT LLC	13F Company 13F	1.5%	$132,597,000 2,187,552 shares	—	31 Mar 2022
DEUTSCHE BANK AG\	13F Company 13F	1.4%	$121,727,000 2,007,700 shares	—	31 Mar 2022
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	1.4%	$121,379,000 2,001,975 shares	—	31 Mar 2022
Holocene Advisors, LP	13F Company 13F	1.3%	$112,733,000 1,859,362 shares	—	31 Mar 2022
Capital World Investors	13F Company 13F	1.3%	$108,564,000 1,790,595 shares	—	31 Mar 2022
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	1.2%	$106,335,000 1,753,752 shares	—	31 Mar 2022
FIRST TRUST ADVISORS LP	13F Company 13F	1.2%	$105,650,000 1,742,542 shares	—	31 Mar 2022
JPMORGAN CHASE & CO	13F Company 13F	1.2%	$102,686,000 1,693,650 shares	—	31 Mar 2022
Clal Insurance Enterprises Holdings Ltd	13F Company 13F	1.1%	$97,008,000 1,600,000 shares	—	31 Mar 2022
NORGES BANK	13F Company 13F	0.99%	$85,304,955 1,406,976 shares	—	31 Mar 2022
SCHRODER INVESTMENT MANAGEMENT GROUP	13F Company 13F	0.9%	$77,702,000 1,266,338 shares	—	31 Mar 2022
PLATINUM INVESTMENT MANAGEMENT LTD	13F Company 13F	0.89%	$76,044,000 1,254,226 shares	—	31 Mar 2022
NORTHERN TRUST CORP	13F Company 13F	0.85%	$73,245,000 1,208,086 shares	—	31 Mar 2022
FORT PITT CAPITAL GROUP, LLC	13F Company 13F	0.75%	$64,100,000 1,057,229 shares	—	31 Mar 2022
GOLDMAN SACHS GROUP INC	13F Company 13F	0.73%	$62,997,000 1,039,054 shares	—	31 Mar 2022
WESTFIELD CAPITAL MANAGEMENT CO LP	13F Company 13F	0.71%	$60,561,000 998,865 shares	—	31 Mar 2022
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.64%	$55,167,000 909,884 shares	—	31 Mar 2022
Senvest Management, LLC	13F Company 13F	0.64%	$55,144,000 909,510 shares	—	31 Mar 2022
MILLENNIUM MANAGEMENT LLC	13F Company 13F	0.62%	$52,811,000 871,034 shares	—	31 Mar 2022
SADOFF INVESTMENT MANAGEMENT LLC	13F Company 13F	0.6%	$51,737,000 853,316 shares	—	31 Mar 2022
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F Company 13F	0.6%	$51,165,000 843,882 shares	—	31 Mar 2022
NATIXIS ADVISORS, LLC	13F Company 13F	0.58%	$49,810,000 821,538 shares	—	31 Mar 2022
LAZARD ASSET MANAGEMENT LLC	13F Company 13F	0.57%	$49,170,000 810,993 shares	—	31 Mar 2022
Invesco Ltd.	13F Company 13F	0.55%	$47,222,000 778,866 shares	—	31 Mar 2022
Stephens Investment Management Group LLC	13F Company 13F	0.48%	$41,521,000 684,834 shares	—	31 Mar 2022
LOOMIS SAYLES & CO L P	13F Company 13F	0.48%	$41,396,000 682,774 shares	—	31 Mar 2022
MORGAN STANLEY	13F Company 13F	0.47%	$39,950,000 658,922 shares	—	31 Mar 2022
GLENMEDE TRUST CO NA	13F Company 13F	0.46%	$39,678,000 654,441 shares	—	31 Mar 2022
Giverny Capital Inc.	13F Company 13F	0.46%	$39,165,000 645,971 shares	—	31 Mar 2022
Boston Common Asset Management, LLC	13F Company 13F	0.43%	$37,153,000 612,777 shares	—	31 Mar 2022
MARSHALL WACE, LLP	13F Company 13F	0.43%	$36,922,000 608,947 shares	—	31 Mar 2022
Alyeska Investment Group, L.P.	13F Company 13F	0.4%	$34,455,000 568,285 shares	—	31 Mar 2022
E. Ohman J:or Asset Management AB	13F Company 13F	0.39%	$33,143,814 546,657 shares	—	31 Mar 2022
PRINCIPAL FINANCIAL GROUP INC	13F Company 13F	0.37%	$31,929,000 526,627 shares	—	31 Mar 2022
AXA S.A.	13F Company 13F	0.36%	$31,227,482 515,050 shares	—	31 Mar 2022
AMERIPRISE FINANCIAL INC	13F Company 13F	0.36%	$30,811,000 508,217 shares	—	31 Mar 2022
Woodline Partners LP	13F Company 13F	0.36%	$30,787,000 507,787 shares	—	31 Mar 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2022

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

440

135,142,356

Rows loaded

441

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. An asterisk next to the price means the price is likely invalid.

Compare Q2 2022 vs Q1 2022 Across Filers

Q1 2022 holders

480

Q2 2022 holders

440

Holder diff

-40

Investor	Q1 2022 Shares	Q2 2022 Shares	Share Diff	Share Chg %	Q1 2022 value	Q2 2022 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend