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 2020?

477 institutional investors reported CIEN - CIENA CORP - Common Stock for Q2 2020. Use the holders table for investor-level position and value details.

CIENA CORP - Common Stock (CIEN)

CUSIP: 171779309

Q2 2020 13F Holders as of 30 Jun 2020

Type / Class: Equity / Common Stock
Shares outstanding: 141,483,681
Total 13F shares: 137,023,504
Share change: -219,542
Total reported value: $7,420,001,250
Put/Call ratio: 119%
Price per share: $54.16
Number of holders: 477
Value change: +$30,338,737
Number of buys: 256
Number of sells: 221

Quarterly Holders Quick Answers

What is CUSIP 171779309?
CUSIP 171779309 identifies CIEN - CIENA CORP - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2020
Previous quarter: Q1 2020

Recent filing periods for CUSIP 171779309:

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

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

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VANGUARD GROUP INC	13F	Company	10%	14,819,764	$589,974,000	—	31 Mar 2020	13F
BlackRock Finance, Inc.	13F	Company	10%	14,700,846	$585,241,000	—	31 Mar 2020	13F
Neuberger Berman Group LLC	13F	Company	3%	4,277,405	$170,264,000	—	31 Mar 2020	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	3%	4,255,893	$169,427,000	—	31 Mar 2020	13F
STATE STREET CORP	13F	Company	2.7%	3,783,454	$150,619,000	—	31 Mar 2020	13F
FIRST TRUST ADVISORS LP	13F	Company	2.3%	3,316,088	$132,013,000	—	31 Mar 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	2.3%	3,310,536	$131,793,000	—	31 Mar 2020	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	2.1%	2,983,621	$118,777,000	—	31 Mar 2020	13F
Bank of New York Mellon Corp	13F	Company	1.9%	2,653,764	$105,647,000	—	31 Mar 2020	13F
Ion Asset Management Ltd.	13F	Company	1.9%	2,625,524	$104,522,000	—	31 Mar 2020	13F
Invesco Ltd.	13F	Company	1.8%	2,586,726	$102,977,000	—	31 Mar 2020	13F
FIL Ltd	13F	Company	1.7%	2,463,656	$98,078,000	—	31 Mar 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.7%	2,434,334	$96,911,000	—	31 Mar 2020	13F
CONGRESS ASSET MANAGEMENT CO	13F	Company	1.7%	2,361,960	$94,030,000	—	31 Mar 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	1.6%	2,310,653	$91,987,000	—	31 Mar 2020	13F
LSV ASSET MANAGEMENT	13F	Company	1.6%	2,193,387	$87,318,000	—	31 Mar 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.5%	2,162,443	$86,088,000	—	31 Mar 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.5%	2,061,017	$82,048,000	—	31 Mar 2020	13F
NORGES BANK	13F	Company	1.5%	2,052,099	$81,694,000	—	31 Mar 2020	13F
Nuveen Asset Management, LLC	13F	Company	1.3%	1,842,311	$73,342,000	—	31 Mar 2020	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	1.1%	1,566,384	$70,534,000	—	31 Mar 2020	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	1.2%	1,695,154	$67,484,000	—	31 Mar 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.2%	1,661,114	$66,140,000	—	31 Mar 2020	13F
JANUS HENDERSON GROUP PLC	13F	Company	1.2%	1,661,065	$66,119,000	—	31 Mar 2020	13F
DEUTSCHE BANK AG\	13F	Company	1.1%	1,621,278	$64,543,000	—	31 Mar 2020	13F
FMR LLC	13F	Company	1.1%	1,566,654	$62,369,000	—	31 Mar 2020	13F
SHAPIRO CAPITAL MANAGEMENT LLC	13F	Company	1.1%	1,541,584	$61,370,459	—	31 Mar 2020	13F
Boston Partners	13F	Company	1.1%	1,533,827	$61,080,000	—	31 Mar 2020	13F
MENORA MIVTACHIM HOLDINGS LTD.	13F	Company	1.1%	1,512,299	$60,205,000	—	31 Mar 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.99%	1,393,910	$55,492,000	—	31 Mar 2020	13F
NORTHERN TRUST CORP	13F	Company	0.93%	1,316,735	$52,419,000	—	31 Mar 2020	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.91%	1,292,967	$51,473,000	—	31 Mar 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.87%	1,224,008	$48,728,000	—	31 Mar 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.74%	1,044,774	$41,594,000	—	31 Mar 2020	13F
BNP Paribas Asset Management Holding S.A.	13F	Company	0.73%	1,038,920	$41,359,000	—	31 Mar 2020	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.69%	975,304	$38,827,000	—	31 Mar 2020	13F
SADOFF INVESTMENT MANAGEMENT LLC	13F	Company	0.62%	878,925	$34,990,000	—	31 Mar 2020	13F
Holocene Advisors, LP	13F	Company	0.61%	860,744	$34,266,000	—	31 Mar 2020	13F
Trinity Street Asset Management LLP	13F	Company	0.58%	823,797	$32,795,000	—	31 Mar 2020	13F
PEREGRINE CAPITAL MANAGEMENT LLC	13F	Company	0.54%	767,594	$30,558,000	—	31 Mar 2020	13F
EMERALD ADVISERS, LLC	13F	Company	0.54%	759,225	$30,225,000	—	31 Mar 2020	13F
BECKER CAPITAL MANAGEMENT INC	13F	Company	0.54%	758,791	$30,207,000	—	31 Mar 2020	13F
Cavalry Management Group, LLC	13F	Company	0.52%	736,669	$29,327,000	—	31 Mar 2020	13F
GLENMEDE TRUST CO NA	13F	Company	0.47%	671,142	$28,651,000	—	31 Mar 2020	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.46%	657,189	$26,163,000	—	31 Mar 2020	13F
LAZARD ASSET MANAGEMENT LLC	13F	Company	0.44%	623,842	$24,835,000	—	31 Mar 2020	13F
ROTHSCHILD & CO ASSET MANAGEMENT US INC.	13F	Company	0.41%	584,017	$23,250,000	—	31 Mar 2020	13F
North Growth Management Ltd.	13F	Company	0.37%	522,000	$20,782,000	—	31 Mar 2020	13F
SMITH ASSET MANAGEMENT GROUP LP	13F	Company	0.36%	510,851	$20,399,000	—	31 Mar 2020	13F
CAPTRUST FINANCIAL ADVISORS	13F	Company	0.36%	509,199	$20,353,000	—	31 Mar 2020	13F

Institutional Holders of CIENA CORP - Common Stock (CIEN) as of Q2 2020

As of 30 Jun 2020, CIENA CORP - Common Stock (CIEN) was held by 477 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 137,023,504 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Inc., FMR LLC, Neuberger Berman Group LLC, STATE STREET CORP, ALLIANCEBERNSTEIN L.P., CONGRESS ASSET MANAGEMENT CO /MA, FIRST TRUST ADVISORS LP, WELLINGTON MANAGEMENT GROUP LLP, and Bank of New York Mellon Corp. This page lists 477 institutional shareholders reporting positions in this security for the Q2 2020 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2020 vs Q1 2020 Across Filers

Q1 2020 holders

407

Q2 2020 holders

477

Holder diff

Investor	Q1 2020 Shares	Q2 2020 Shares	Share Diff	Share Chg %	Q1 2020 Value $	Q2 2020 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.