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 Q2 2015?

153 institutional investors reported CCOI - COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock for Q2 2015. Use the holders table for investor-level position and value details.

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

CUSIP: 19239V302

Q2 2015 13F Holders as of 30 Jun 2015

Type / Class: Equity / Common Stock
Shares outstanding: 50,110,269
Total 13F shares: 44,345,571
Share change: +570,243
Total reported value: $1,500,873,713
Put/Call ratio: 108%
Price per share: $33.84
Number of holders: 153
Value change: +$16,108,616
Number of buys: 84
Number of sells: 77

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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Newer quarter: Q3 2015
Previous quarter: Q1 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
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	9%	4,496,786	$158,871,000	—	31 Mar 2015	13F
FMR LLC	13F	Company	8.2%	4,119,714	$145,549,000	—	31 Mar 2015	13F
VANGUARD GROUP INC	13F	Company	6.5%	3,260,606	$115,197,000	—	31 Mar 2015	13F
State of New Jersey Common Pension Fund D	13F	Company	3.4%	1,700,000	$60,061,000	—	31 Mar 2015	13F
COLUMBIA WANGER ASSET MANAGEMENT LLC	13F	Company	3.4%	1,690,200	$59,715,000	—	31 Mar 2015	13F
BlackRock Fund Advisors	13F	Company	2.9%	1,428,153	$50,457,000	—	31 Mar 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	2.7%	1,331,000	$47,024,000	—	31 Mar 2015	13F
CANADA LIFE ASSURANCE Co	13F	Company	2.4%	1,226,851	$43,229,000	—	31 Mar 2015	13F
TimesSquare Capital Management, LLC	13F	Company	2.4%	1,203,100	$42,506,000	—	31 Mar 2015	13F
Capital World Investors	13F	Company	2.3%	1,135,000	$40,100,000	—	31 Mar 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.3%	1,131,701	$39,983,000	—	31 Mar 2015	13F
Foxhaven Asset Management, LP	13F	Company	2.1%	1,070,171	$37,809,000	—	31 Mar 2015	13F
JENNISON ASSOCIATES LLC	13F	Company	2%	1,022,169	$36,113,000	—	31 Mar 2015	13F
STATE STREET CORP	13F	Company	1.7%	843,371	$29,799,000	—	31 Mar 2015	13F
Tekne Capital Management, LLC	13F	Company	1.6%	787,816	$27,834,000	—	31 Mar 2015	13F
REAVES W H & CO INC	13F	Company	1.6%	777,380	$27,465,000	—	31 Mar 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.5%	763,209	$26,964,000	—	31 Mar 2015	13F
NORTHERN TRUST CORP	13F	Company	1.4%	714,260	$25,234,000	—	31 Mar 2015	13F
Archer Capital Management, L.P.	13F	Company	1.4%	690,000	$24,378,000	—	31 Mar 2015	13F
WESTFIELD CAPITAL MANAGEMENT CO LP	13F	Company	1.4%	681,330	$24,071,000	—	31 Mar 2015	13F
RS INVESTMENT MANAGEMENT CO LLC	13F	Company	1.3%	639,980	$22,610,000	—	31 Mar 2015	13F
LMCG INVESTMENTS, LLC	13F	Company	1.2%	625,743	$22,109,000	—	31 Mar 2015	13F
Ulysses Management LLC	13F	Company	1.2%	579,573	$20,476,000	—	31 Mar 2015	13F
Nokota Management, LP	13F	Company	1%	520,000	$18,372,000	—	31 Mar 2015	13F
Bank of New York Mellon Corp	13F	Company	1%	515,959	$18,229,000	—	31 Mar 2015	13F
Skylands Capital, LLC	13F	Company	0.98%	490,000	$17,312,000	—	31 Mar 2015	13F
MIG Capital, LLC	13F	Company	0.96%	480,200	$16,965,000	—	31 Mar 2015	13F
Herring Creek Capital Management, LLC	13F	Company	0.91%	456,438	$16,126,000	—	31 Mar 2015	13F
RIVULET CAPITAL, LLC	13F	Company	0.87%	437,700	$15,464,000	—	31 Mar 2015	13F
Allianz Asset Management GmbH	13F	Company	0.76%	383,250	$13,540,000	—	31 Mar 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.76%	380,578	$13,444,000	—	31 Mar 2015	13F
RK Capital Management, LLC	13F	Company	0.75%	373,600	$13,199,000	—	31 Mar 2015	13F
BROWN ADVISORY INC	13F	Company	0.69%	347,363	$12,273,000	—	31 Mar 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.55%	273,788	$9,672,000	—	31 Mar 2015	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.52%	259,555	$9,170,000	—	31 Mar 2015	13F
Cortina Asset Management, LLC	13F	Company	0.5%	249,423	$8,812,000	—	31 Mar 2015	13F
NORGES BANK	13F	Company	0.48%	241,625	$8,537,000	—	31 Mar 2015	13F
ACT II MANAGEMENT, LP	13F	Company	0.46%	231,921	$8,194,000	—	31 Mar 2015	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.46%	231,499	$8,179,000	—	31 Mar 2015	13F
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	13F	Company	0.46%	229,490	$8,108,000	—	31 Mar 2015	13F
Harvest Capital Strategies LLC	13F	Company	0.45%	225,000	$7,949,000	—	31 Mar 2015	13F
Tygh Capital Management, Inc.	13F	Company	0.43%	214,467	$7,577,000	—	31 Mar 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.42%	210,589	$7,440,000	—	31 Mar 2015	13F
D. E. Shaw & Co., Inc.	13F	Company	0.4%	200,015	$7,067,000	—	31 Mar 2015	13F
Granite Investment Partners, LLC	13F	Company	0.39%	197,590	$6,981,000	—	31 Mar 2015	13F
AXA S.A.	13F	Company	0.36%	178,000	$6,289,000	—	31 Mar 2015	13F
BARING ASSET MANAGEMENT Ltd	13F	Company	0.35%	175,212	$6,190,000	—	31 Mar 2015	13F
CITADEL ADVISORS LLC	13F	Company	0.35%	175,069	$6,185,000	—	31 Mar 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.32%	161,874	$5,719,000	—	31 Mar 2015	13F
HIGHBRIDGE CAPITAL MANAGEMENT LLC	13F	Company	0.32%	158,056	$5,584,000	—	31 Mar 2015	13F

Institutional Holders of COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI) as of Q2 2015

As of 30 Jun 2015, COGENT COMMUNICATIONS HOLDINGS, INC. - Common Stock (CCOI) was held by 153 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 44,345,571 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, REAVES W H & CO INC, TimesSquare Capital Management, LLC, BlackRock Fund Advisors, Capital World Investors, and BlackRock Institutional Trust Company, N.A.. This page lists 153 institutional shareholders reporting positions in this security for the Q2 2015 filing period.

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

Compare Q2 2015 vs Q1 2015 Across Filers

Q1 2015 holders

152

Q2 2015 holders

153

Holder diff

Investor	Q1 2015 Shares	Q2 2015 Shares	Share Diff	Share Chg %	Q1 2015 Value $	Q2 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.