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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000812295-14-000019
Filing Date
2014-01-31
Accepted
2014-01-31 15:40:57
Documents
1

Document Format Files

Seq Description Document Type Size
1 13G/A MKTX 1-31-2014 mktx1102014.txt SC 13G/A 5632
  Complete submission text file 0000812295-14-000019.txt   7529
Mailing Address 151 DETROIT ST. DENVER CO 80206-4805
Business Address 151 DETROIT ST. DENVER CO 80206-4805 3033333863
JANUS CAPITAL MANAGEMENT LLC (Filed by) CIK: 0000812295 (see all company filings)

IRS No.: 753019302 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 299 PARK AVENUE, 10TH FLOOR NEW YORK NY 10171
Business Address 299 PARK AVENUE, 10TH FLOOR NEW YORK NY 10171 212-831-6000
MARKETAXESS HOLDINGS INC (Subject) CIK: 0001278021 (see all company filings)

IRS No.: 522230784 | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-80409 | Film No.: 14564653
SIC: 6211 Security Brokers, Dealers & Flotation Companies