GAGNON SECURITIES, LLC
CRD #103727 SEC #801-64836 NEW YORK, NY 212-554-5000
SEC Registered Broker-Dealer Disclosures
Total AUM
$545.3M
Discretionary
$545.3M
Employees
20
Clients
0
Accounts
1,203
AUM Over Time
| Date | Total AUM | Discretionary | Non-Disc. | Employees | Clients |
|---|---|---|---|---|---|
| Aug 2025 | $545.3M | $545.3M | $0 | 20 | 1 |
| Jun 2025 | $545.3M | $545.3M | $0 | 20 | 1 |
| Mar 2025 | $545.3M | $545.3M | $0 | 20 | 1 |
| Mar 2024 | $438M | $438M | $0 | 22 | 1 |
| Mar 2024 | $438M | $438M | $0 | 22 | 1 |
| May 2023 | $461.4M | $461.4M | $0 | 23 | 1 |
| May 2023 | $461.4M | $461.4M | $0 | 23 | 1 |
| Mar 2023 | $461.4M | $461.4M | $0 | 24 | 1 |
| Nov 2022 | $710.1M | $710.1M | $0 | 23 | 1 |
| Feb 2022 | $710.1M | $710.1M | $0 | 23 | 1 |
| Oct 2021 | $784.6M | $784.6M | $0 | 23 | 1 |
| Aug 2021 | $784.6M | $784.6M | $0 | 23 | 1 |
| Mar 2021 | $689.4M | $689.4M | $0 | 23 | 0 |
| Aug 2020 | $388.1M | $388.1M | $0 | 22 | 0 |
| Jun 2020 | $388.1M | $388.1M | $0 | 22 | 0 |
| Jun 2020 | $388.1M | $388.1M | $0 | 22 | 0 |
| Mar 2020 | $383.2M | $383.2M | $0 | 22 | 0 |
| Mar 2020 | $383.2M | $383.2M | $0 | 22 | 0 |
| Mar 2019 | $340.4M | $340.4M | $0 | 25 | 0 |
| Oct 2018 | $408.9M | $408.9M | $0 | 26 | 0 |
| May 2018 | $224.4M | $224.4M | $0 | 26 | 0 |
| Mar 2018 | $224.4M | $224.4M | $0 | 26 | 0 |
| Jan 2018 | $186.3M | $186.3M | $0 | 26 | 1,100 |
| Mar 2017 | $186.3M | $186.3M | $0 | 26 | 700 |
| Mar 2016 | $191.9M | $191.9M | $0 | 26 | 700 |
| May 2015 | $265M | $265M | $0 | 26 | 700 |
| Mar 2015 | $265M | $265M | $0 | 26 | 700 |
| Oct 2014 | $353.2M | $353.2M | $0 | 27 | 700 |
| Mar 2014 | $353.2M | $353.2M | $0 | 27 | 700 |
| Mar 2013 | $261.3M | $261.3M | $0 | 22 | 700 |
| Nov 2012 | $140.3M | $140.3M | $0 | 22 | 700 |
| Mar 2012 | $140.3M | $140.3M | $0 | 11 | 700 |
| Feb 2012 | $140.3M | $140.3M | $0 | 11 | 700 |
| Dec 2011 | $137.8M | $137.8M | $0 | 11 | 700 |
| Jul 2011 | $1.3B | $408.7M | $884.1M | -- | -- |
| Jun 2011 | $1.3B | $408.7M | $884.1M | -- | -- |
| Mar 2009 | $288.3M | $119.5M | $168.8M | -- | -- |
| Mar 2007 | $553.8M | $215.5M | $338.3M | -- | -- |
| Mar 2006 | $554.3M | $229.7M | $324.6M | -- | -- |
| Oct 2005 | $527.7M | $273M | $254.7M | -- | -- |
DateAug 2025
Total AUM$545.3M
Discretionary$545.3M
Non-Disc.$0
Employees20
Clients1
DateJun 2025
Total AUM$545.3M
Discretionary$545.3M
Non-Disc.$0
Employees20
Clients1
DateMar 2025
Total AUM$545.3M
Discretionary$545.3M
Non-Disc.$0
Employees20
Clients1
DateMar 2024
Total AUM$438M
Discretionary$438M
Non-Disc.$0
Employees22
Clients1
DateMar 2024
Total AUM$438M
Discretionary$438M
Non-Disc.$0
Employees22
Clients1
DateMay 2023
Total AUM$461.4M
Discretionary$461.4M
Non-Disc.$0
Employees23
Clients1
DateMay 2023
Total AUM$461.4M
Discretionary$461.4M
Non-Disc.$0
Employees23
Clients1
DateMar 2023
Total AUM$461.4M
Discretionary$461.4M
Non-Disc.$0
Employees24
Clients1
DateNov 2022
Total AUM$710.1M
Discretionary$710.1M
Non-Disc.$0
Employees23
Clients1
DateFeb 2022
Total AUM$710.1M
Discretionary$710.1M
Non-Disc.$0
Employees23
Clients1
DateOct 2021
Total AUM$784.6M
Discretionary$784.6M
Non-Disc.$0
Employees23
Clients1
DateAug 2021
Total AUM$784.6M
Discretionary$784.6M
Non-Disc.$0
Employees23
Clients1
DateMar 2021
Total AUM$689.4M
Discretionary$689.4M
Non-Disc.$0
Employees23
Clients0
DateAug 2020
Total AUM$388.1M
Discretionary$388.1M
Non-Disc.$0
Employees22
Clients0
DateJun 2020
Total AUM$388.1M
Discretionary$388.1M
Non-Disc.$0
Employees22
Clients0
DateJun 2020
Total AUM$388.1M
Discretionary$388.1M
Non-Disc.$0
Employees22
Clients0
DateMar 2020
Total AUM$383.2M
Discretionary$383.2M
Non-Disc.$0
Employees22
Clients0
DateMar 2020
Total AUM$383.2M
Discretionary$383.2M
Non-Disc.$0
Employees22
Clients0
DateMar 2019
Total AUM$340.4M
Discretionary$340.4M
Non-Disc.$0
Employees25
Clients0
DateOct 2018
Total AUM$408.9M
Discretionary$408.9M
Non-Disc.$0
Employees26
Clients0
DateMay 2018
Total AUM$224.4M
Discretionary$224.4M
Non-Disc.$0
Employees26
Clients0
DateMar 2018
Total AUM$224.4M
Discretionary$224.4M
Non-Disc.$0
Employees26
Clients0
DateJan 2018
Total AUM$186.3M
Discretionary$186.3M
Non-Disc.$0
Employees26
Clients1,100
DateMar 2017
Total AUM$186.3M
Discretionary$186.3M
Non-Disc.$0
Employees26
Clients700
DateMar 2016
Total AUM$191.9M
Discretionary$191.9M
Non-Disc.$0
Employees26
Clients700
DateMay 2015
Total AUM$265M
Discretionary$265M
Non-Disc.$0
Employees26
Clients700
DateMar 2015
Total AUM$265M
Discretionary$265M
Non-Disc.$0
Employees26
Clients700
DateOct 2014
Total AUM$353.2M
Discretionary$353.2M
Non-Disc.$0
Employees27
Clients700
DateMar 2014
Total AUM$353.2M
Discretionary$353.2M
Non-Disc.$0
Employees27
Clients700
DateMar 2013
Total AUM$261.3M
Discretionary$261.3M
Non-Disc.$0
Employees22
Clients700
DateNov 2012
Total AUM$140.3M
Discretionary$140.3M
Non-Disc.$0
Employees22
Clients700
DateMar 2012
Total AUM$140.3M
Discretionary$140.3M
Non-Disc.$0
Employees11
Clients700
DateFeb 2012
Total AUM$140.3M
Discretionary$140.3M
Non-Disc.$0
Employees11
Clients700
DateDec 2011
Total AUM$137.8M
Discretionary$137.8M
Non-Disc.$0
Employees11
Clients700
DateJul 2011
Total AUM$1.3B
Discretionary$408.7M
Non-Disc.$884.1M
Employees--
Clients--
DateJun 2011
Total AUM$1.3B
Discretionary$408.7M
Non-Disc.$884.1M
Employees--
Clients--
DateMar 2009
Total AUM$288.3M
Discretionary$119.5M
Non-Disc.$168.8M
Employees--
Clients--
DateMar 2007
Total AUM$553.8M
Discretionary$215.5M
Non-Disc.$338.3M
Employees--
Clients--
DateMar 2006
Total AUM$554.3M
Discretionary$229.7M
Non-Disc.$324.6M
Employees--
Clients--
DateOct 2005
Total AUM$527.7M
Discretionary$273M
Non-Disc.$254.7M
Employees--
Clients--