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 Q4 2015?

159 institutional investors reported CCOI - COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock for Q4 2015. Use the holders table for investor-level position and value details.

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

CUSIP: 19239V302

Q4 2015 13F Holders as of 31 Dec 2015

Type / Class: Equity / Common Stock
Shares outstanding: 49,229,841
Total 13F shares: 47,229,392
Share change: +2,370,255
Total reported value: $1,638,447,892
Put/Call ratio: 20%
Price per share: $34.69
Number of holders: 159
Value change: +$84,171,498
Number of buys: 79
Number of sells: 59

Quarterly Holders Quick Answers

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

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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: Q1 2016
Previous quarter: Q3 2015

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	11%	5,226,453	$141,951,000	—	30 Sep 2015	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	7.8%	3,851,849	$104,616,000	—	30 Sep 2015	13F
VANGUARD GROUP INC	13F	Company	6.7%	3,311,019	$89,928,000	—	30 Sep 2015	13F
State of New Jersey Common Pension Fund D	13F	Company	3.5%	1,700,000	$46,172,000	—	30 Sep 2015	13F
D. E. Shaw & Co., Inc.	13F	Company	3.2%	1,588,280	$43,138,000	—	30 Sep 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.1%	1,550,352	$42,108,000	—	30 Sep 2015	13F
BROWN ADVISORY INC	13F	Company	2.6%	1,264,756	$34,351,000	—	30 Sep 2015	13F
RIVULET CAPITAL, LLC	13F	Company	2.4%	1,187,600	$32,255,000	—	30 Sep 2015	13F
BlackRock Fund Advisors	13F	Company	2.4%	1,174,104	$31,889,000	—	30 Sep 2015	13F
TimesSquare Capital Management, LLC	13F	Company	2.3%	1,151,960	$31,287,000	—	30 Sep 2015	13F
Capital World Investors	13F	Company	2.3%	1,135,000	$30,827,000	—	30 Sep 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.2%	1,103,431	$29,969,000	—	30 Sep 2015	13F
Ranger Investment Management, L.P.	13F	Company	2.1%	1,044,870	$28,379,000	—	30 Sep 2015	13F
LMCG INVESTMENTS, LLC	13F	Company	2%	1,007,197	$27,355,000	—	30 Sep 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2%	966,803	$26,258,000	—	30 Sep 2015	13F
CANADA LIFE ASSURANCE Co	13F	Company	2%	965,437	$26,128,000	—	30 Sep 2015	13F
Ulysses Management LLC	13F	Company	1.7%	857,925	$23,301,000	—	30 Sep 2015	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	1.7%	857,880	$23,300,000	—	30 Sep 2015	13F
STATE STREET CORP	13F	Company	1.6%	805,708	$21,884,000	—	30 Sep 2015	13F
JENNISON ASSOCIATES LLC	13F	Company	1.5%	754,147	$20,483,000	—	30 Sep 2015	13F
BlueSpruce Investments, LP	13F	Company	1.4%	699,660	$19,003,000	—	30 Sep 2015	13F
MIG Capital, LLC	13F	Company	1.3%	655,000	$17,790,000	—	30 Sep 2015	13F
NORTHERN TRUST CORP	13F	Company	1.3%	632,729	$17,185,000	—	30 Sep 2015	13F
Herring Creek Capital Management, LLC	13F	Company	1.3%	626,168	$17,007,000	—	30 Sep 2015	13F
REAVES W H & CO INC	13F	Company	1.1%	561,992	$15,264,000	—	30 Sep 2015	13F
Harvest Capital Strategies LLC	13F	Company	1.1%	525,000	$14,259,000	—	30 Sep 2015	13F
Skylands Capital, LLC	13F	Company	1.1%	521,425	$14,162,000	—	30 Sep 2015	13F
Granahan Investment Management, LLC	13F	Company	1.1%	517,589	$14,058,000	—	30 Sep 2015	13F
CAMBIAR INVESTORS LLC	13F	Company	1.1%	517,347	$14,051,000	—	30 Sep 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.94%	464,852	$12,623,000	—	30 Sep 2015	13F
Bank of New York Mellon Corp	13F	Company	0.91%	448,379	$12,179,000	—	30 Sep 2015	13F
RK Capital Management, LLC	13F	Company	0.75%	370,900	$10,074,000	—	30 Sep 2015	13F
LORD, ABBETT & CO. LLC	13F	Company	0.7%	344,552	$9,358,000	—	30 Sep 2015	13F
Hood River Capital Management LLC	13F	Company	0.59%	289,336	$7,858,000	—	30 Sep 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.58%	284,219	$7,718,000	—	30 Sep 2015	13F
WILLIAM HARRIS INVESTORS INC	13F	Company	0.5%	248,197	$6,741,000	—	30 Sep 2015	13F
UNITED SERVICES AUTOMOBILE ASSOCIATION	13F	Company	0.45%	223,655	$6,074,000	—	30 Sep 2015	13F
HARBER ASSET MANAGEMENT LLC	13F	Company	0.45%	222,289	$6,037,000	—	30 Sep 2015	13F
CITADEL ADVISORS LLC	13F	Company	0.44%	215,071	$5,841,000	—	30 Sep 2015	13F
Personal Capital Advisors Corp	13F	Company	0.43%	213,382	$5,795,000	—	30 Sep 2015	13F
NORGES BANK	13F	Company	0.41%	202,472	$5,499,000	—	30 Sep 2015	13F
Tekne Capital Management, LLC	13F	Company	0.39%	193,595	$5,258,000	—	30 Sep 2015	13F
Cortina Asset Management, LLC	13F	Company	0.37%	182,257	$4,950,000	—	30 Sep 2015	13F
MORGAN STANLEY	13F	Company	0.34%	168,541	$4,578,000	—	30 Sep 2015	13F
CWM, LLC	13F	Company	0.33%	162,650	$4,418,000	—	30 Sep 2015	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.33%	162,510	$4,413,000	—	30 Sep 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.31%	154,252	$4,189,000	—	30 Sep 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.31%	153,441	$4,167,000	—	30 Sep 2015	13F
Advisors Asset Management, Inc.	13F	Company	0.29%	143,619	$3,901,000	—	30 Sep 2015	13F
Portolan Capital Management, LLC	13F	Company	0.29%	141,701	$3,849,000	—	30 Sep 2015	13F

Institutional Holders of COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI) as of Q4 2015

As of 31 Dec 2015, COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI) was held by 159 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 47,229,392 shares. The largest 10 holders included FMR LLC, FRONTIER CAPITAL MANAGEMENT CO LLC, VANGUARD GROUP INC, State of New Jersey Common Pension Fund D, RENAISSANCE TECHNOLOGIES LLC, JENNISON ASSOCIATES LLC, BROWN ADVISORY INC, BlackRock Fund Advisors, TimesSquare Capital Management, LLC, and Capital World Investors. This page lists 159 institutional shareholders reporting positions in this security for the Q4 2015 filing period.

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

Compare Q4 2015 vs Q3 2015 Across Filers

Q3 2015 holders

148

Q4 2015 holders

159

Holder diff

Investor	Q3 2015 Shares	Q4 2015 Shares	Share Diff	Share Chg %	Q3 2015 Value $	Q4 2015 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.