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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001037389-19-000158
Filing Date
2019-02-13
Accepted
2019-02-13 10:18:16
Documents
1

Document Format Files

Seq Description Document Type Size
1 ccoi-13g_20181231.txt SC 13G/A 11784
  Complete submission text file 0001037389-19-000158.txt   13426
Mailing Address 800 THIRD AVE NEW YORK NY 10022
Business Address 800 THIRD AVE NEW YORK NY 10022 2124866780
RENAISSANCE TECHNOLOGIES LLC (Filed by) CIK: 0001037389 (see all company filings)

IRS No.: 260385758 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A

Mailing Address 2450 N STREET, NW WASHINGTON DC 20037
Business Address 2450 N STREET, NW WASHINGTON DC 20037 2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Subject) CIK: 0001158324 (see all company filings)

IRS No.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-78106 | Film No.: 19593831
SIC: 4899 Communications Services, NEC
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