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 Q4 2016?

292 institutional investors reported CIEN - CIENA CORP - Common Stock for Q4 2016. Use the holders table for investor-level position and value details.

CIENA CORP - Common Stock (CIEN)

CUSIP: 171779309

Q4 2016 13F Holders as of 31 Dec 2016

Type / Class: Equity / Common Stock
Shares outstanding: 140,931,584
Total 13F shares: 142,453,541
Share change: +4,895,382
Total reported value: $3,476,632,626
Put/Call ratio: 52%
Price per share: $24.41
Number of holders: 292
Value change: +$129,800,445
Number of buys: 150
Number of sells: 130

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: Q1 2017
Previous quarter: Q3 2016

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	7.8%	11,007,631	$239,966,000	—	30 Sep 2016	13F
Bank of New York Mellon Corp	13F	Company	7.5%	10,533,182	$229,624,000	—	30 Sep 2016	13F
BlackRock Fund Advisors	13F	Company	5.5%	7,746,132	$168,866,000	—	30 Sep 2016	13F
Invesco Ltd.	13F	Company	5.1%	7,167,613	$156,254,000	—	30 Sep 2016	13F
PARNASSUS INVESTMENTS, LLC	13F	Company	4%	5,700,000	$124,260,000	—	30 Sep 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	3.6%	5,115,370	$111,515,000	—	30 Sep 2016	13F
TEACHERS ADVISORS, LLC	13F	Company	3.5%	4,960,818	$108,146,000	—	30 Sep 2016	13F
STATE STREET CORP	13F	Company	3.1%	4,389,599	$95,690,000	—	30 Sep 2016	13F
Carlson Capital, L.P.	13F	Company	3%	4,200,000	$91,560,000	—	30 Sep 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.9%	4,073,165	$88,795,000	—	30 Sep 2016	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	2.1%	2,904,107	$63,310,000	—	30 Sep 2016	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	2%	2,833,595	$61,772,000	—	30 Sep 2016	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2%	2,768,584	$60,355,000	—	30 Sep 2016	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2%	2,766,727	$60,315,000	—	30 Sep 2016	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	1.8%	2,525,932	$55,065,000	—	30 Sep 2016	13F
NORTHERN TRUST CORP	13F	Company	1.7%	2,411,221	$52,565,000	—	30 Sep 2016	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	1.6%	2,276,813	$49,634,000	—	30 Sep 2016	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.3%	1,902,522	$41,475,000	—	30 Sep 2016	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.3%	1,864,700	$40,650,000	—	30 Sep 2016	13F
ARGENT CAPITAL MANAGEMENT LLC	13F	Company	1.2%	1,683,603	$36,703,000	—	30 Sep 2016	13F
WESTFIELD CAPITAL MANAGEMENT CO LP	13F	Company	1.2%	1,680,066	$36,625,000	—	30 Sep 2016	13F
Neuberger Berman Group LLC	13F	Company	1.2%	1,637,439	$35,696,000	—	30 Sep 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.1%	1,597,923	$34,835,000	—	30 Sep 2016	13F
FMR LLC	13F	Company	1.1%	1,549,169	$33,772,000	—	30 Sep 2016	13F
Alyeska Investment Group, L.P.	13F	Company	1.1%	1,487,213	$32,421,000	—	30 Sep 2016	13F
NORGES BANK	13F	Company	1.1%	1,545,412	$32,178,000	—	30 Sep 2016	13F
HENNESSY ADVISORS INC	13F	Company	0.94%	1,323,900	$28,861,000	—	30 Sep 2016	13F
PEREGRINE CAPITAL MANAGEMENT LLC	13F	Company	0.75%	1,057,194	$23,047,000	—	30 Sep 2016	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.74%	1,048,862	$22,865,000	—	30 Sep 2016	13F
JPMORGAN CHASE & CO	13F	Company	0.73%	1,032,162	$22,500,000	—	30 Sep 2016	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.73%	1,025,370	$22,353,000	—	30 Sep 2016	13F
MASTERS CAPITAL MANAGEMENT LLC	13F	Company	0.71%	1,000,000	$21,800,000	—	30 Sep 2016	13F
BLACKROCK ADVISORS LLC	13F	Company	0.7%	986,284	$21,501,000	—	30 Sep 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.65%	911,013	$19,860,000	—	30 Sep 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.64%	903,364	$19,693,000	—	30 Sep 2016	13F
ROTHSCHILD & CO ASSET MANAGEMENT US INC.	13F	Company	0.59%	832,951	$18,158,000	—	30 Sep 2016	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.59%	829,614	$18,086,000	—	30 Sep 2016	13F
FRIESS ASSOCIATES LLC	13F	Company	0.55%	776,200	$16,921,000	—	30 Sep 2016	13F
EMERALD ADVISERS, LLC	13F	Company	0.55%	768,409	$16,751,000	—	30 Sep 2016	13F
FEDERATED HERMES, INC.	13F	Company	0.53%	750,491	$16,361,000	—	30 Sep 2016	13F
Retirement Systems of Alabama	13F	Company	0.53%	748,463	$16,316,000	—	30 Sep 2016	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.51%	723,086	$15,763,000	—	30 Sep 2016	13F
BROADVIEW ADVISORS LLC	13F	Company	0.49%	695,675	$15,166,000	—	30 Sep 2016	13F
RWC Asset Management LLP	13F	Company	0.46%	654,915	$14,515,000	—	30 Sep 2016	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.47%	657,986	$14,344,000	—	30 Sep 2016	13F
Blackstone Inc.	13F	Company	0.42%	586,755	$12,791,000	—	30 Sep 2016	13F
CITADEL ADVISORS LLC	13F	Company	0.41%	583,984	$12,731,000	—	30 Sep 2016	13F
Fiera Capital Corp	13F	Company	0.41%	577,322	$12,586,000	—	30 Sep 2016	13F
CANADA PENSION PLAN INVESTMENT BOARD	13F	Company	0.4%	559,700	$12,201,000	—	30 Sep 2016	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.39%	546,035	$11,904,000	—	30 Sep 2016	13F

Institutional Holders of CIENA CORP - Common Stock (CIEN) as of Q4 2016

As of 31 Dec 2016, CIENA CORP - Common Stock (CIEN) was held by 292 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 142,453,541 shares. The largest 10 holders included VANGUARD GROUP INC, Bank of New York Mellon Corp, BlackRock Fund Advisors, Invesco Ltd., TIAA CREF INVESTMENT MANAGEMENT LLC, PARNASSUS INVESTMENTS /CA, WELLINGTON MANAGEMENT GROUP LLP, STATE STREET CORP, BlackRock Institutional Trust Company, N.A., and TEACHERS ADVISORS, LLC. This page lists 292 institutional shareholders reporting positions in this security for the Q4 2016 filing period.

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

Compare Q4 2016 vs Q3 2016 Across Filers

Q3 2016 holders

269

Q4 2016 holders

292

Holder diff

Investor	Q3 2016 Shares	Q4 2016 Shares	Share Diff	Share Chg %	Q3 2016 Value $	Q4 2016 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.