GAGNON SECURITIES LLC
Latest 13F filing data - Q1 2026
Holdings (Top positions)
| Stock | Ticker | ||
|---|---|---|---|
 | TMCI | 5.20M | $6.97M |
 | KLTR | 3.28M | $4.00M |
 | PROF | 1.94M | $12.60M |
 | ASPN | 1.86M | $6.37M |
 | CDNA | 1.76M | $30.59M |
 | FRSH | 1.73M | $13.90M |
 | OSUR | 1.71M | $5.14M |
 | AMPL | 1.06M | $7.23M |
 | NVGS | 887K | $17.14M |
 | AMRC | 840K | $21.42M |
 | FIVN | 622K | $9.44M |
 | PCRX | 618K | $13.96M |
 | BLFS | 537K | $10.24M |
 | EPD | 514K | $19.46M |
 | DV | 488K | $4.64M |
 | VERX | 468K | $5.57M |
 | QDEL | 403K | $6.63M |
 | PTEN | 315K | $3.41M |
 | KMX | 310K | $12.88M |
 | WGS | 303K | $19.47M |
Treace Medical Concepts, Inc.
TMCI
Shares Held
5.20M
Value
$6.97M
Kaltura, Inc.
KLTR
Shares Held
3.28M
Value
$4.00M
Profound Medical Corp.
PROF
Shares Held
1.94M
Value
$12.60M
Aspen Aerogels, Inc.
ASPN
Shares Held
1.86M
Value
$6.37M
CareDx, Inc
CDNA
Shares Held
1.76M
Value
$30.59M
Freshworks Inc.
FRSH
Shares Held
1.73M
Value
$13.90M
OraSure Technologies, Inc.
OSUR
Shares Held
1.71M
Value
$5.14M
Amplitude, Inc.
AMPL
Shares Held
1.06M
Value
$7.23M
Navigator Holdings Ltd.
NVGS
Shares Held
887K
Value
$17.14M
Ameresco, Inc.
AMRC
Shares Held
840K
Value
$21.42M
Five9, Inc.
FIVN
Shares Held
622K
Value
$9.44M
Pacira BioSciences, Inc.
PCRX
Shares Held
618K
Value
$13.96M
BioLife Solutions, Inc.
BLFS
Shares Held
537K
Value
$10.24M
Enterprise Products Partners L.P.
EPD
Shares Held
514K
Value
$19.46M
DoubleVerify Holdings, Inc.
DV
Shares Held
488K
Value
$4.64M
Vertex, Inc.
VERX
Shares Held
468K
Value
$5.57M
QuidelOrtho Corporation
QDEL
Shares Held
403K
Value
$6.63M
Patterson-UTI Energy, Inc.
PTEN
Shares Held
315K
Value
$3.41M
CarMax, Inc.
KMX
Shares Held
310K
Value
$12.88M
GeneDx Holdings Corp.
WGS
Shares Held
303K
Value
$19.47M