What does CUSIP 19239V302 represent in this 13F holders report?

CUSIP 19239V302 is the security identifier for CCOI - COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held CCOI - COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock in Q3 2016?

183 institutional investors reported CCOI - COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock for Q3 2016. Use the holders table for investor-level position and value details.

COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI)

CUSIP: 19239V302

Q3 2016 13F Holders as of 30 Sep 2016

Type / Class: Equity / Common Stock
Shares outstanding: 49,229,841
Total 13F shares: 44,233,850
Share change: -747,780
Total reported value: $1,627,746,246
Put/Call ratio: 75%
Price per share: $36.81
Number of holders: 183
Value change: -$30,219,832
Number of buys: 81
Number of sells: 98

Quarterly Holders Quick Answers

What is CUSIP 19239V302?
CUSIP 19239V302 identifies CCOI - COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q4 2016
Previous quarter: Q2 2016

Recent filing periods for CUSIP 19239V302:

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

Top shareholders of CCOI - COGENT COMMUNICATIONS HOLDINGS, INC. - 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
FMR LLC	13F	Company	10%	5,060,973	$202,743,000	—	30 Jun 2016	13F
VANGUARD GROUP INC	13F	Company	9%	4,450,687	$178,294,000	—	30 Jun 2016	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	7.8%	3,839,602	$153,814,000	—	30 Jun 2016	13F
BlackRock Fund Advisors	13F	Company	5.6%	2,776,255	$111,217,000	—	30 Jun 2016	13F
JENNISON ASSOCIATES LLC	13F	Company	3.7%	1,810,658	$72,535,000	—	30 Jun 2016	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.1%	1,536,300	$61,544,000	—	30 Jun 2016	13F
BROWN ADVISORY INC	13F	Company	2.7%	1,318,241	$52,809,000	—	30 Jun 2016	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.5%	1,223,181	$48,999,000	—	30 Jun 2016	13F
Capital World Investors	13F	Company	2.3%	1,135,000	$45,468,000	—	30 Jun 2016	13F
LORD, ABBETT & CO. LLC	13F	Company	2.1%	1,014,540	$40,642,000	—	30 Jun 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2%	996,290	$39,911,000	—	30 Jun 2016	13F
TimesSquare Capital Management, LLC	13F	Company	2%	974,975	$39,057,000	—	30 Jun 2016	13F
STATE STREET CORP	13F	Company	1.8%	876,054	$35,088,000	—	30 Jun 2016	13F
LOOMIS SAYLES & CO L P	13F	Company	1.7%	826,030	$33,090,000	—	30 Jun 2016	13F
RIVULET CAPITAL, LLC	13F	Company	1.6%	808,100	$32,372,000	—	30 Jun 2016	13F
Bank of New York Mellon Corp	13F	Company	1.6%	775,366	$31,061,000	—	30 Jun 2016	13F
MIG Capital, LLC	13F	Company	1.5%	719,050	$28,805,000	—	30 Jun 2016	13F
Ranger Investment Management, L.P.	13F	Company	1.4%	701,390	$28,098,000	—	30 Jun 2016	13F
FIL Ltd	13F	Company	1.3%	627,112	$25,122,000	—	30 Jun 2016	13F
NORTHERN TRUST CORP	13F	Company	1.3%	625,430	$25,054,000	—	30 Jun 2016	13F
CANADA LIFE ASSURANCE Co	13F	Company	1.2%	588,453	$23,489,000	—	30 Jun 2016	13F
State of New Jersey Common Pension Fund D	13F	Company	1.1%	540,000	$21,632,000	—	30 Jun 2016	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	1.1%	537,780	$21,543,000	—	30 Jun 2016	13F
Tekne Capital Management, LLC	13F	Company	1%	514,195	$20,599,000	—	30 Jun 2016	13F
Ulysses Management LLC	13F	Company	0.92%	454,925	$18,224,000	—	30 Jun 2016	13F
RK Capital Management, LLC	13F	Company	0.8%	392,800	$15,736,000	—	30 Jun 2016	13F
Granahan Investment Management, LLC	13F	Company	0.75%	369,689	$14,810,000	—	30 Jun 2016	13F
CASTLEARK MANAGEMENT LLC	13F	Company	0.73%	359,509	$14,402,000	—	30 Jun 2016	13F
Invesco Ltd.	13F	Company	0.68%	332,939	$13,338,000	—	30 Jun 2016	13F
Harvest Capital Strategies LLC	13F	Company	0.66%	325,000	$13,020,000	—	30 Jun 2016	13F
BLACKROCK ADVISORS LLC	13F	Company	0.64%	315,082	$12,622,000	—	30 Jun 2016	13F
Skylands Capital, LLC	13F	Company	0.64%	314,000	$12,579,000	—	30 Jun 2016	13F
ROYAL BANK OF CANADA	13F	Company	0.63%	309,854	$12,413,000	—	30 Jun 2016	13F
Personal Capital Advisors Corp	13F	Company	0.62%	305,830	$12,252,000	—	30 Jun 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.61%	299,403	$11,993,000	—	30 Jun 2016	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.6%	295,185	$11,825,000	—	30 Jun 2016	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.57%	279,053	$11,179,000	—	30 Jun 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.56%	275,937	$11,054,000	—	30 Jun 2016	13F
WILLIAM HARRIS INVESTORS INC	13F	Company	0.45%	220,123	$8,818,000	—	30 Jun 2016	13F
Advisors Asset Management, Inc.	13F	Company	0.45%	219,964	$8,812,000	—	30 Jun 2016	13F
NORGES BANK	13F	Company	0.43%	213,651	$8,559,000	—	30 Jun 2016	13F
BANK OF MONTREAL /CAN/	13F	Company	0.38%	185,819	$7,444,000	—	30 Jun 2016	13F
Century Capital Management, LLC	13F	Company	0.36%	179,000	$7,171,000	—	30 Jun 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.36%	178,944	$7,168,000	—	30 Jun 2016	13F
BOSTON FINANCIAL MANGEMENT LLC	13F	Company	0.33%	163,822	$6,563,000	—	30 Jun 2016	13F
BlackRock Group LTD	13F	Company	0.31%	150,605	$6,034,000	—	30 Jun 2016	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.3%	145,285	$5,820,000	—	30 Jun 2016	13F
DEUTSCHE BANK AG\	13F	Company	0.29%	141,612	$5,672,000	—	30 Jun 2016	13F
UBS Group AG	13F	Company	0.28%	136,921	$5,485,000	—	30 Jun 2016	13F
AMERICAN NATIONAL INSURANCE CO	13F	Company	0.28%	136,255	$5,458,000	—	30 Jun 2016	13F

Institutional Holders of COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI) as of Q3 2016

As of 30 Sep 2016, COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI) was held by 183 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 44,233,850 shares. The largest 10 holders included VANGUARD GROUP INC, FMR LLC, FRONTIER CAPITAL MANAGEMENT CO LLC, BlackRock Fund Advisors, JENNISON ASSOCIATES LLC, BROWN ADVISORY INC, RENAISSANCE TECHNOLOGIES LLC, DIMENSIONAL FUND ADVISORS LP, MIG Capital, LLC, and Capital World Investors. This page lists 183 institutional shareholders reporting positions in this security for the Q3 2016 filing period.

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

Compare Q3 2016 vs Q2 2016 Across Filers

Q2 2016 holders

181

Q3 2016 holders

183

Holder diff

Investor	Q2 2016 Shares	Q3 2016 Shares	Share Diff	Share Chg %	Q2 2016 Value $	Q3 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.