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 Q1 2017?

191 institutional investors reported CCOI - COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock for Q1 2017. Use the holders table for investor-level position and value details.

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

CUSIP: 19239V302

Q1 2017 13F Holders as of 31 Mar 2017

Type / Class: Equity / Common Stock
Shares outstanding: 49,229,841
Total 13F shares: 43,382,929
Share change: +4,277,251
Total reported value: $1,867,431,716
Put/Call ratio: 155%
Price per share: $43.05
Number of holders: 191
Value change: +$185,608,131
Number of buys: 90
Number of sells: 89

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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Explore More Reporting Periods

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

Newer quarter: Q2 2017
Previous quarter: Q4 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
VANGUARD GROUP INC	13F	Company	9.5%	4,697,638	$194,247,000	—	31 Dec 2016	13F
BlackRock Fund Advisors	13F	Company	6.6%	3,232,056	$133,646,000	—	31 Dec 2016	13F
FMR LLC	13F	Company	6%	2,945,225	$121,785,000	—	31 Dec 2016	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	5.8%	2,855,908	$118,092,000	—	31 Dec 2016	13F
BROWN ADVISORY INC	13F	Company	3.8%	1,855,206	$76,713,000	—	31 Dec 2016	13F
JENNISON ASSOCIATES LLC	13F	Company	3.5%	1,729,147	$71,500,000	—	31 Dec 2016	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.3%	1,626,100	$67,239,000	—	31 Dec 2016	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.5%	1,235,867	$51,103,000	—	31 Dec 2016	13F
MIG Capital, LLC	13F	Company	2.3%	1,148,100	$47,474,000	—	31 Dec 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.2%	1,069,112	$44,208,000	—	31 Dec 2016	13F
FIRST TRUST ADVISORS LP	13F	Company	2.1%	1,020,577	$42,201,000	—	31 Dec 2016	13F
TimesSquare Capital Management, LLC	13F	Company	2.1%	1,016,975	$42,052,000	—	31 Dec 2016	13F
STATE STREET CORP	13F	Company	1.9%	946,478	$39,134,000	—	31 Dec 2016	13F
Bank of New York Mellon Corp	13F	Company	1.9%	911,838	$37,704,000	—	31 Dec 2016	13F
State of New Jersey Common Pension Fund D	13F	Company	1.6%	800,000	$33,080,000	—	31 Dec 2016	13F
LOOMIS SAYLES & CO L P	13F	Company	1.5%	762,728	$31,539,000	—	31 Dec 2016	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	1.4%	709,993	$29,358,000	—	31 Dec 2016	13F
EMERALD ADVISERS, LLC	13F	Company	1.3%	636,567	$26,322,000	—	31 Dec 2016	13F
FIL Ltd	13F	Company	1.3%	635,085	$26,261,000	—	31 Dec 2016	13F
NORTHERN TRUST CORP	13F	Company	1.2%	579,176	$23,949,000	—	31 Dec 2016	13F
Ranger Investment Management, L.P.	13F	Company	1.2%	574,786	$23,767,000	—	31 Dec 2016	13F
Capital World Investors	13F	Company	1.1%	565,000	$23,363,000	—	31 Dec 2016	13F
CANADA LIFE ASSURANCE Co	13F	Company	1%	513,450	$21,273,000	—	31 Dec 2016	13F
Tekne Capital Management, LLC	13F	Company	1%	514,195	$21,262,000	—	31 Dec 2016	13F
Granahan Investment Management, LLC	13F	Company	0.95%	468,089	$19,355,000	—	31 Dec 2016	13F
Skylands Capital, LLC	13F	Company	0.9%	443,906	$18,356,000	—	31 Dec 2016	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.9%	443,128	$18,323,000	—	31 Dec 2016	13F
Personal Capital Advisors Corp	13F	Company	0.77%	380,818	$15,747,000	—	31 Dec 2016	13F
LORD, ABBETT & CO. LLC	13F	Company	0.74%	362,617	$14,994,000	—	31 Dec 2016	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.66%	326,550	$13,503,000	—	31 Dec 2016	13F
NORGES BANK	13F	Company	0.66%	323,436	$13,374,000	—	31 Dec 2016	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.65%	322,263	$13,325,000	—	31 Dec 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.65%	317,929	$13,146,000	—	31 Dec 2016	13F
ROYAL BANK OF CANADA	13F	Company	0.64%	316,319	$13,080,000	—	31 Dec 2016	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.59%	289,609	$11,976,000	—	31 Dec 2016	13F
BOSTON FINANCIAL MANGEMENT LLC	13F	Company	0.55%	271,505	$11,227,000	—	31 Dec 2016	13F
ASTURIAS CAPITAL LLC	13F	Company	0.54%	266,049	$11,001,000	—	31 Dec 2016	13F
RK Capital Management, LLC	13F	Company	0.51%	250,429	$10,355,000	—	31 Dec 2016	13F
Ulysses Management LLC	13F	Company	0.46%	226,682	$9,373,000	—	31 Dec 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.43%	211,770	$8,757,000	—	31 Dec 2016	13F
D. E. Shaw & Co., Inc.	13F	Company	0.41%	200,483	$8,290,000	—	31 Dec 2016	13F
TCW GROUP INC	13F	Company	0.4%	195,776	$8,095,000	—	31 Dec 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.35%	173,947	$7,193,000	—	31 Dec 2016	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.33%	160,658	$6,644,000	—	31 Dec 2016	13F
MORGAN STANLEY	13F	Company	0.32%	155,624	$6,434,000	—	31 Dec 2016	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.3%	149,397	$6,178,000	—	31 Dec 2016	13F
BANK OF MONTREAL /CAN/	13F	Company	0.33%	163,125	$6,109,000	—	31 Dec 2016	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.29%	145,135	$6,001,000	—	31 Dec 2016	13F
AMERICAN NATIONAL INSURANCE CO	13F	Company	0.28%	136,255	$5,634,000	—	31 Dec 2016	13F
Century Capital Management, LLC	13F	Company	0.26%	126,690	$5,239,000	—	31 Dec 2016	13F

Institutional Holders of COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI) as of Q1 2017

As of 31 Mar 2017, COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI) was held by 191 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 43,382,929 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, FMR LLC, FRONTIER CAPITAL MANAGEMENT CO LLC, RENAISSANCE TECHNOLOGIES LLC, BROWN ADVISORY INC, JENNISON ASSOCIATES LLC, DIMENSIONAL FUND ADVISORS LP, MIG Capital, LLC, and FIRST TRUST ADVISORS LP. This page lists 191 institutional shareholders reporting positions in this security for the Q1 2017 filing period.

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

Compare Q1 2017 vs Q4 2016 Across Filers

Q4 2016 holders

196

Q1 2017 holders

191

Holder diff

-5

Investor	Q4 2016 Shares	Q1 2017 Shares	Share Diff	Share Chg %	Q4 2016 Value $	Q1 2017 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.