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Notable Holders of Cogent Communication (CCOI)

  |   Expand Research on CCOI   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
FRONTIER CAPITAL MANAGEMENT CO LLC COM 4,090,294 8.92% 13F
PENINSULA CAPITAL ADVISORS LLC COM NEW 3,800,000 8.29% 13F
Fidelity Investments COM NEW 3,593,598 7.84% 13F
MORGAN STANLEY COM 2,799,937 6.11% 13F
COLUMBIA WANGER ASSET MANAGEMENT LLC COM 2,547,000 5.56% 13F
VANGUARD GROUP INC COM NEW 2,371,021 5.17% 13F
TOCQUEVILLE ASSET MANAGEMENT LP COM 1,757,693 3.83% 13F
Century Capital Management, LLC COM 1,415,437 3.09% 13F
BlackRock Institutional Trust Company, N.A. COM NEW 1,328,680 2.90% 13F
Harvest Capital Strategies LLC COM NEW 1,025,000 2.24% 13F
BlackRock Fund Advisors COM NEW 910,624 1.99% 13F
ALGER FRED MANAGEMENT INC COMMON 903,643 1.97% 13F
Brenner West Capital Advisors, LLC COM NEW 730,410 1.59% 13F
PRICE T ROWE ASSOCIATES INC /MD/ COMM STK 633,800 1.38% 13F
NORTHERN TRUST CORP COM 631,446 1.38% 13F
TURNER INVESTMENT PARTNERS INC COM NEW 601,315 1.31% 13F
KLEINHEINZ CAPITAL PARTNERS, INC. COM NEW 600,000 1.31% 13F
WELLS FARGO & CO/MN EQUITY 452,652 0.99% 13F
SCHRODER INVESTMENT MANAGEMENT GROUP COM 425,500 0.93% 13F
DIMENSIONAL FUND ADVISORS LP COM 408,068 0.89% 13F
FIL Ltd COM NEW 333,200 0.73% 13F
TCS CAPITAL MANAGEMENT LLC COM NEW 332,000 0.72% 13F
TEACHERS ADVISORS INC COM NEW 257,537 0.56% 13F
SCHWAB CHARLES INVESTMENT MANAGEMENT INC COM NEW 228,954 0.50% 13F
TIAA CREF INVESTMENT MANAGEMENT LLC COM NEW 219,735 0.48% 13F
MOORE CAPITAL MANAGEMENT, LP COM NEW 158,000 0.34% 13F
LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC COM 148,720 0.32% 13F
PineBridge Investments Ltd COM 147,400 0.32% 13F
GEODE CAPITAL MANAGEMENT LLC COM NEW 141,086 0.31% 13F
Platte River Capital LLC COM NEW 137,850 0.30% 13F
BlackRock Investment Management, LLC COM NEW 136,698 0.30% 13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM * COGENT COMM GROUP 98,666 0.22% 13F
Goldman Sachs Asset Management, L.P. CMN 90,104 0.20% 13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ COM NEW 82,050 0.18% 13F
AQR CAPITAL MANAGEMENT LLC COM NEW 76,500 0.17% 13F
Invesco Ltd. COMMON 76,435 0.17% 13F
BMO FINANCIAL CORP COM NEW 71,560 0.16% 13F
DEUTSCHE BANK AG\ COM NEW 53,841 0.12% 13F
CREDIT SUISSE AG/ COM NEW 52,387 0.11% 13F
FIRST MERCANTILE TRUST CO COMMON STOCK USD.001 50,900 0.11% 13F
UNITED SERVICES AUTOMOBILE ASSOCIATION COMMON 44,703 0.10% 13F
BATTERYMARCH FINANCIAL MANAGEMENT INC COM NEW 44,700 0.10% 13F
Boston Advisors COM 40,616 0.09% 13F
Manulife Asset Management (North America) Ltd COM NEW 37,098 0.08% 13F
ARROWSTREET CAPITAL LIMITED PARTNERSHIP COM 36,457 0.08% 13F
AMERICAN INTERNATIONAL GROUP INC COM 33,577 0.07% 13F
BLACKROCK ADVISORS LLC COM NEW 32,638 0.07% 13F
JPMORGAN CHASE & CO COMMON 32,009 0.07% 13F
ING INVESTMENT MANAGEMENT CO COM NEW 30,600 0.07% 13F
GUGGENHEIM CAPITAL LLC COM NEW 27,755 0.06% 13F
CAXTON ASSOCIATES LP COM NEW 26,365 0.06% 13F
PARAMETRIC PORTFOLIO ASSOCIATES Common Stock 24,256 0.05% 13F
BARCLAYS PLC (CALL) OPT 22,200 0.05% 13F
PARADIGM ASSET MANAGEMENT CO LLC COM 21,300 0.05% 13F
RENAISSANCE TECHNOLOGIES LLC COM NEW 20,400 0.04% 13F
PRINCIPAL FINANCIAL GROUP INC COM NEW 14,721 0.03% 13F
PEAK6 Investments, L.P. COM NEW 13,847 0.03% 13F
SAC Capital COMMON 13,458 0.03% 13F
GSA CAPITAL PARTNERS LLP COM NEW 13,000 0.03% 13F
BlackRock Group LTD COM NEW 10,028 0.02% 13F
PNC FINANCIAL SERVICES GROUP INC COM NEW 9,503 0.02% 13F
Spot Trading L.L.C (PUT) COM NEW 7,500 0.02% 13F
AMERIPRISE FINANCIAL INC COM 4,715 0.01% 13F