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GAGNON SECURITIES LLC

Q2 2026 13F filing

Updated 36 days ago

85 disclosed positions worth $518.8M

Portfolio value
$518.8M
Total holdings
85
New positions
4
Closed positions
6
Increased
25
Decreased
46
Turnover
11.8%
Filed
2026-08-05

Full holdings

Every line item disclosed in Q2 2026

C

CAREDX INC

+0.5%
Value
$50.5M
Shares
1.77M
% Port
9.73%
W

GENEDX HOLDINGS CORP

+73.1%
Value
$36M
Shares
524.9K
% Port
6.94%
E

ENSIGN GROUP INC

-3.2%
Value
$27.9M
Shares
173.9K
% Port
5.37%
A

AMERESCO INC

-1.6%
Value
$22.8M
Shares
826.6K
% Port
4.40%
G

GENERAC HLDGS INC

-2.3%
Value
$21.4M
Shares
73.2K
% Port
4.13%
E

ENTERPRISE PRODS PARTNERS L P

-0.7%
Value
$18.8M
Shares
510.6K
% Port
3.62%
Q

QUIDELORTHO CORP

+155.5%
Value
$18M
Shares
1.03M
% Port
3.48%
C

CHEESECAKE FACTORY INC

-1.4%
Value
$17.6M
Shares
221.8K
% Port
3.40%
E

EQUINIX INC

-1.4%
Value
$17.4M
Shares
16.7K
% Port
3.36%
K
10.KMX

CARMAX INC

+5.1%
Value
$17.2M
Shares
325.4K
% Port
3.32%
F
11.FRSH

FRESHWORKS INC

-9.7%
Value
$15.8M
Shares
1.56M
% Port
3.05%
P
12.PCRX

PACIRA BIOSCIENCES INC

-1.4%
Value
$15.4M
Shares
608.6K
% Port
2.98%
F
13.FIVN

FIVE9 INC

+16.2%
Value
$15.4M
Shares
722.7K
% Port
2.97%
H
14.HNGE

HINGE HEALTH INC

+47.3%
Value
$15.2M
Shares
183.0K
% Port
2.93%
B
15.BLFS

BIOLIFE SOLUTIONS INC

-0.1%
Value
$15.1M
Shares
535.9K
% Port
2.92%
P
16.PROF

PROFOUND MED CORP

+0.8%
Value
$13M
Shares
1.96M
% Port
2.51%
C
17.CARG

CARGURUS INC

+35.2%
Value
$12.5M
Shares
367.1K
% Port
2.41%
T
18.TMCI

TREACE MED CONCEPTS INC

-41.8%
Value
$12.1M
Shares
3.03M
% Port
2.32%
I
19.ISRG

INTUITIVE SURGICAL INC

-7.8%
Value
$11.6M
Shares
29.1K
% Port
2.23%
F
20.FERG

NAVIGATOR HLDGS LTD

Value
$11.4M
Shares
612.3K
% Port
2.20%
B
21.BL

BLACKLINE INC

+26.8%
Value
$10.5M
Shares
375.8K
% Port
2.03%
A
22.ASPN

ASPEN AEROGELS INC

-17.5%
Value
$9.7M
Shares
1.54M
% Port
1.88%
P
23.PRLB

PROTO LABS INC

+4.9%
Value
$9.5M
Shares
116.3K
% Port
1.83%
V
24.VRTX

VERTEX INC

+62.5%
Value
$8.7M
Shares
761.0K
% Port
1.68%
A
25.AMPL

AMPLITUDE INC

-0.4%
Value
$8.1M
Shares
1.06M
% Port
1.56%
H
26.HZO

MarineMax Inc

-4.1%
Value
$7.7M
Shares
211.5K
% Port
1.49%
O
27.OSUR

OraSure Technologies Inc

-7.1%
Value
$7.1M
Shares
1.59M
% Port
1.37%
D
28.DV

DOUBLEVERIFY HLDGS INC

+7.1%
Value
$5.7M
Shares
523.3K
% Port
1.09%
C
29.CELC

CELCUITY INC

-0.2%
Value
$5.6M
Shares
53.2K
% Port
1.07%
C
30.CMG

CHIPOTLE MEXICAN GRILL INC

-1.5%
Value
$5.3M
Shares
155.5K
% Port
1.02%
C
31.CTRE

CARETRUST REIT INC

-2.3%
Value
$5.2M
Shares
130.0K
% Port
1.01%
P
32.PNTG

PENNANT GROUP INC

-1.8%
Value
$5M
Shares
135.0K
% Port
0.96%
W

WHITECAP RES INC

-0.1%
Value
$4.5M
Shares
435.1K
% Port
0.87%
I
34.ICUI

ICU MED INC

-1.1%
Value
$4.3M
Shares
29.4K
% Port
0.83%
K
35.KLTR

KALTURA INC

-0.4%
Value
$4.2M
Shares
3.27M
% Port
0.82%
M

MICROCHIP TECHNOLOGY INC.

-2.3%
Value
$2.4M
Shares
26.2K
% Port
0.46%
G
37.GNTX

GENTEX CORP

+0.4%
Value
$1.4M
Shares
57.2K
% Port
0.28%
G

GLOBAL NET LEASE INC

-5.6%
Value
$1.4M
Shares
160.6K
% Port
0.28%
S

SL GREEN RLTY CORP

Unchanged
Value
$1.3M
Shares
25.9K
% Port
0.26%
S
40.SAM

BOSTON BEER INC

+0.6%
Value
$1.3M
Shares
7.3K
% Port
0.25%
N
41.NCNO

NCINO INC

-5.3%
Value
$1.2M
Shares
75.3K
% Port
0.24%
?
42.N/A

FLAGSTAR BANK NATIONAL ASSOCIA

-0.3%
Value
$1.1M
Shares
74.5K
% Port
0.21%
?
43.N/A

DIGITAL TURBINE INC

Unchanged
Value
$1.1M
Shares
81.8K
% Port
0.20%
D
44.DOCU

DOCUSIGN INC

-1.5%
Value
$929K
Shares
20.9K
% Port
0.18%
C
45.CNF

CNFINANCE HLDGS LTD

+5.9%
Value
$921K
Shares
332.3K
% Port
0.18%
G

ALPHABET INC

Unchanged
Value
$913K
Shares
2.6K
% Port
0.18%
M
47.MRVL

MARVELL TECHNOLOGY INC

-57.2%
Value
$871K
Shares
2.9K
% Port
0.17%
T
48.TECH

Bio-Techne Corp

+23.8%
Value
$864K
Shares
12.2K
% Port
0.17%
D
49.DVN

DEVON ENERGY CORP

-0.2%
Value
$786K
Shares
19.0K
% Port
0.15%
M
50.MU

MICRON TECHNOLOGY INC

-37.0%
Value
$784K
Shares
679
% Port
0.15%