0001019056-15-000478.txt : 20150512 0001019056-15-000478.hdr.sgml : 20150512 20150512172622 ACCESSION NUMBER: 0001019056-15-000478 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150331 FILED AS OF DATE: 20150512 DATE AS OF CHANGE: 20150512 EFFECTIVENESS DATE: 20150512 FILER: COMPANY DATA: COMPANY CONFORMED NAME: GAGNON SECURITIES LLC CENTRAL INDEX KEY: 0001125725 IRS NUMBER: 134087058 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-06377 FILM NUMBER: 15855584 BUSINESS ADDRESS: STREET 1: 1370 AVENUE OF THE AMERICAS STREET 2: 24TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10019 BUSINESS PHONE: 2125545000 MAIL ADDRESS: STREET 1: 1370 AVENUE OF THE AMERICAS STREET 2: 24TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10019 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001125725 XXXXXXXX 03-31-2015 03-31-2015 false GAGNON SECURITIES LLC

1370 Avenue Of The Americas 24th Floor New York NY 10019

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