Universe · entity

GAGNON SECURITIES LLC

Institutional manager (13F) · CIK 1125725
13F holdings · as of 2026-03-31 · top 50 · reported portfolio $419M
#IssuerValueShares
1ENSIGN GROUP INC$36M179,671
2CAREDX INC$31M1,761,874
3AMERESCO INC$21M840,063
4GENEDX HOLDINGS CORP$19M303,149
5ENTERPRISE PRODS PARTNERS L P$19M514,257
6NAVIGATOR HLDGS LTD$17M886,631
7EQUINIX INC$17M16,951
8GENERAC HLDGS INC$15M74,913
9INTUITIVE SURGICAL INC$15M31,619
10PACIRA BIOSCIENCES INC$14M617,510
11FRESHWORKS INC$14M1,731,367
12CARMAX INC$13M309,699
13PROFOUND MED CORP$13M1,944,324
14CHEESECAKE FACTORY INC$12M225,048
15BLACKLINE INC$11M296,424
16BIOLIFE SOLUTIONS INC$10M536,512
17FIVE9 INC$9M622,064
18ISHARES TR$9M92,702
19CARGURUS INC$9M271,524
20AMPLITUDE INC$7M1,059,836
21TREACE MED CONCEPTS INC$7M5,201,886
22QUIDELORTHO CORP$7M403,325
23ASPEN AEROGELS INC$6M1,861,851
24PROTO LABS INC$6M110,889
25CELCUITY INC$6M53,342
26MarineMax Inc$6M220,610
27VERICEL CORP$6M468,220
28OraSure Technologies Inc$5M1,714,391
29CHIPOTLE MEXICAN GRILL INC$5M157,849
30WHITECAP RES INC$5M435,418
31CARETRUST REIT INC$5M133,046
32HINGE HEALTH INC$5M124,250
33DOUBLEVERIFY HLDGS INC$5M488,462
34PENNANT GROUP INC$4M137,484
35KALTURA INC$4M3,278,936
36ICU MED INC$4M29,743
37ALPHA & OMEGA SEMICONDUCTOR LT$4M167,874
38PATTERSON-UTI ENERGY INC$3M314,646
39MICROCHIP TECHNOLOGY INC.$2M26,838
40BOSTON BEER INC$2M7,239
41GLOBAL NET LEASE INC$2M170,125
42GENTEX CORP$1M56,933
43PFIZER INC$1M44,260
44CNFINANCE HLDGS LTD$1M313,938
45NCINO INC$1M79,520
46DOCUSIGN INC$1M21,232
47NINTENDO LTD$996k69,697
48FLAGSTAR BANK NATIONAL ASSOC$984k74,711
49DEVON ENERGY CORP$959k19,066
50SL GREEN RLTY CORP$955k25,862
All filings on EDGAR ↗

Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.