Gagnon Securities LLC

-

Assets, Funds, Holdings

Home | Sign Up | Log In
Message
Happy Holidays!! thanks for using AUM13F!!
List of Funds
Boston Firms
Boston Hedge Funds
Cornell Alumni Firms
CalPERS Portfolio
NYSCRF Portfolio
User Guide
Regulatory AUM vs AUM
LP Portfolios
Related Firms
Build a Portfolio
Comprehensive Search
Gagnon Securities LLC
CRD #103727
SEC #801-64836
CIK #0001125725
AUM $545.3 M (2025-06-03)
Employees 20 (50% Investors, 100% Brokers)
Phone212-554-5000
Address1370 6th Avenue
New York, NY 10019
Source [IAPD] [EDGAR] [Website] [LinkedIn]
Total AUM ($M)
1300104078052026002005201220192026
CIK Period
0001125725
Sector Form 13F Holdings Value ($M)
Air Lease Corp 43.1
Ensign Group Inc 32.2
CareDx Inc 30.3
Intuitive Surgical Inc 29.2
CM Life Sciences Inc 25.0
Power Solutions International Inc 22.1
Cheesecake Factory Inc 16.1
Enterprise Products Partners L P 15.1
Exact Sciences Corp 14.8
Blackline Inc 14.3
Equinix Inc 13.8
Freshworks Inc 13.8
Treace Medical Concepts Inc 13.2
Ameresco Inc 13.2
Navigator Holdings Ltd 12.3
Biolife Solutions Inc 11.6
Aspen Aerogels Inc 11.2
Carmax Inc 11.0
Cargurus Inc 10.9
Five9 Inc 10.8
Profound Medical Corp 10.3
Generac Holdings Inc 9.8
Vertex Inc 9.5
Pacira Pharmaceuticals Inc 8.8
Chipotle Mexican Grill Inc 8.2
Alpha & Omega Semiconductor Ltd 5.5
Doubleverify Holdings Inc 5.5
Orasure Technologies Inc 4.8
Boston Beer Co Inc 4.8
Caretrust REIT Inc 4.6
Prev | Page 1 | Next
AUM Breakdown Accounts AUM ($M)
By Client Type
(a) Individuals (other than high net worth individuals) 1,031 263.0
(b) Individuals (high net worth individuals) 34 224.8
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 0 0.0
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 138 57.6
(n) Other 0 0.0
Total 1,203 545.3
By Discretionary
Discretionary 1,203 545.3
Non-Discretionary 0 0.0
Total 1,203 545.3
By Non-United States Persons
Non-United States Persons 0.9
United States Persons 544.4
Total 1,203 545.3
EDGAR Form CIK 2011 - 2025
13F-HR [0001125725]
SC 13D [0001125725]
SC 13G [0001125725]
Form 13D/13G Filer Form 13D/13G Subject Filed
Gagnon Securities LLC CareDx Inc [2025-07-24]
Gagnon Securities LLC Treace Medical Concepts Inc [2025-05-15]
Gagnon Securities LLC CareDx Inc [2023-03-13]
Gagnon Securities LLC CM Life Sciences II Inc [2021-04-08]
Gagnon Securities LLC Profound Medical Corp [2020-02-13]
Gagnon Securities LLC Alpha & Omega Semiconductor Ltd [2018-05-25]
Gagnon Securities LLC SecureWorks Corp [2017-08-10]
Gagnon Securities LLC General Finance Corp [2017-01-24]
Gagnon Securities LLC Power Solutions International Inc [2015-09-23]
Gagnon Securities LLC Castlight Health Inc [2015-08-12]
View All
Related Firms State AUM ($B)
Gagnon Securities LLC
NY 0.5
Gagnon Advisors LLC
NY 0.2
Comparable Firms State AUM ($B)
Central Family Advisors LLC
NY 0.5
Carlson & Company Financial Services LLC
KS 0.5
Mulholland Wealth Advisors LLC
AZ 0.5
Resource Financial Group Ltd
IL 0.5
Corus Family Wealth Advisors Inc
TX 0.5
Independent Investors Inc
NY 0.5
Ventira Private Wealth Management Ltd
0.5
Hemsley Advisors Ltd
IL 0.5
Dumont & Blake Investment Advisors LLC
NJ 0.5
Planned Solutions Financial & Insurance Services Inc
CA 0.5
Terms | Privacy | Guide
tony@aum13f.com