Institutions / Gagnon Securities LLC / Activity

Activity — Gagnon Securities LLC

87 moves.

BiggestNew positionsBiggest addsExits
InsidersInstitutions
DateActionCompanyValueShares ΔPosition afterImpact
Q1 2026
as of
ExitSumisho Air Lease Corp
Common stock
$-31.92M-497K
-100.00%
0
medium
Q1 2026
as of
ExitExact Sciences Corp.
Common stock
$-17.00M-167K
-100.00%
0
medium
Q1 2026
as of
New46436E718
Common stock
$9.33M+93K
92,702
2.15% of portfolio
medium
Q1 2026
as of
NewHinge Health, Inc.
Common stock
$4.79M+124K
124,250
1.11% of portfolio
low
Q1 2026
as of
AddFreshworks Inc.
Common stock
$4.03M+501K
+40.76%
1,731,367
3.21% of portfolio
low
Q1 2026
as of
AddQuidelOrtho Corp
Common stock
$4.01M+244K
+153.38%
403,325
1.53% of portfolio
low
Q1 2026
as of
AddGeneDx Holdings Corp.
Common stock
$3.19M+50K
+19.57%
303,149
4.49% of portfolio
low
Q1 2026
as of
TrimNVIDIA Corp
Common stock
$-2.94M-17K
-82.19%
3,655
0.15% of portfolio
low
Q1 2026
as of
AddTMCI
Treace Medical Concepts, Inc.
Common Stock
$2.80M+2.1M
+67.23%
5,201,886
1.61% of portfolio
low
Q1 2026
as of
TrimMarineMax, Inc.
Common stock
$-2.75M-101K
-31.50%
220,610
1.38% of portfolio
low
Q1 2026
as of
ExitTapestry Inc
Common stock
$-2.74M-21K
-100.00%
0
low
Q1 2026
as of
AddPacira BioSciences Inc
Common stock
$2.63M+116K
+23.20%
617,510
3.22% of portfolio
low
Q1 2026
as of
AddAspen Aerogels Inc
Common stock
$2.49M+729K
+64.29%
1,861,851
1.47% of portfolio
low
Q1 2026
as of
AddAmplitude, Inc.
Common stock
$2.46M+361K
+51.65%
1,059,836
1.67% of portfolio
low
Q1 2026
as of
AddVertex, Inc.
Common stock
$1.23M+104K
+28.41%
468,220
1.29% of portfolio
low
Q1 2026
as of
TrimAlpha & Omega Semiconductor Ltd
Common stock
$-1.06M-48K
-22.15%
167,874
0.86% of portfolio
low
Q1 2026
as of
NewDocusign Inc
Common stock
$1.01M+21K
21,232
0.23% of portfolio
low
Q1 2026
as of
ExitExxon Mobil Corp
Common stock
$-864.0K-7K
-100.00%
0
low
Q1 2026
as of
AddBlackline, Inc.
Common stock
$630.0K+17K
+6.09%
296,424
2.53% of portfolio
low
Q1 2026
as of
Trim96467A200
Common stock
$-570.4K-51K
-10.43%
435,418
1.13% of portfolio
low
Q1 2026
as of
AddKLTR
Kaltura Inc
Common Stock
$509.4K+418K
+14.59%
3,278,936
0.92% of portfolio
low
Q1 2026
as of
TrimEPD
Enterprise Products Partners L.P.
MLP
$-504.9K-13K
-2.53%
514,257
4.49% of portfolio
low
Q1 2026
as of
AddY62132108
Common stock
$478.9K+25K
+2.87%
886,631
3.96% of portfolio
low
Q1 2026
as of
AddOraSure Technologies Inc
Common stock
$433.8K+145K
+9.21%
1,714,391
1.19% of portfolio
low
Q1 2026
as of
TrimCarMax Inc
Common stock
$-431.5K-10K
-3.24%
309,699
2.97% of portfolio
low
Q1 2026
as of
TrimPatterson Uti Energy Inc
Common stock
$-413.0K-38K
-10.81%
314,646
0.79% of portfolio
low
Q1 2026
as of
ExitPayPal Holdings, Inc.
Common stock
$-385.1K-7K
-100.00%
0
low
Q1 2026
as of
TrimViavi Solutions Inc.
Common stock
$-315.5K-9K
-39.52%
14,511
0.11% of portfolio
low
Q1 2026
as of
NewEog Resources Inc
Common stock
$267.6K+2K
1,851
0.06% of portfolio
low
Q1 2026
as of
NewPlanet Labs PBC
Common stock
$233.4K+8K
8,352
0.05% of portfolio
low
Q1 2026
as of
TrimCareDx, Inc.
Common stock
$-226.0K-13K
-0.73%
1,761,874
7.06% of portfolio
low
Q1 2026
as of
New28617B606
Common stock
$205.3K+26K
26,257
0.05% of portfolio
low
Q1 2026
as of
AddBoston Beer Co Inc
Common stock
$203.7K+884
+13.91%
7,239
0.39% of portfolio
low
Q1 2026
as of
TrimEquinix Inc
Common stock
$-187.2K-191
-1.11%
16,951
3.84% of portfolio
low
Q1 2026
as of
AddAmeresco, Inc.
Common stock
$183.1K+7K
+0.86%
840,063
4.94% of portfolio
low
Q1 2026
as of
TrimEnsign Group Inc/The
Common stock
$-176.9K-878
-0.49%
179,671
8.36% of portfolio
low
Q1 2026
as of
TrimWeave Communications, Inc.
Common stock
$-167.6K-36K
-51.45%
34,220
0.04% of portfolio
low
Q1 2026
as of
Trim15713J104
Common stock
$-162.9K-12K
-27.02%
33,350
0.10% of portfolio
low
Q1 2026
as of
AddCommvault Systems Inc
Common stock
$149.8K+2K
+78.39%
4,376
0.08% of portfolio
low
Q1 2026
as of
ExitPETS
Petmed Express Inc
Common Stock
$-135.4K-42K
-100.00%
0
low
Q1 2026
as of
TrimGenerac Holdings Inc.
Common stock
$-132.8K-680
-0.90%
74,913
3.38% of portfolio
low
Q1 2026
as of
TrimStarbucks Corp
Common stock
$-128.2K-1K
-26.01%
4,071
0.08% of portfolio
low
Q1 2026
as of
ExitGoodRx Holdings, Inc.
Common stock
$-119.6K-44K
-100.00%
0
low
Q1 2026
as of
AddnCino Inc.
Common stock
$90.3K+6K
+8.20%
79,520
0.27% of portfolio
low
Q1 2026
as of
AddIcu Medical INC/DE
Common stock
$86.5K+670
+2.30%
29,743
0.89% of portfolio
low
Q1 2026
as of
AddSVV
Savers Value Village, Inc.
Common Stock
$84.7K+11K
+82.71%
25,148
0.04% of portfolio
low
Q1 2026
as of
TrimCheesecake Factory Inc
Common stock
$-84.6K-2K
-0.68%
225,048
2.84% of portfolio
low
Q1 2026
as of
AddMACOM Technology Solutions Holdings, Inc.
Common stock
$83.3K+375
+11.38%
3,670
0.19% of portfolio
low
Q1 2026
as of
TrimIntuitive Surgical Inc
Common stock
$-82.1K-178
-0.56%
31,619
3.36% of portfolio
low
Q1 2026
as of
TrimMerck & Co., Inc.
Common stock
$-81.2K-675
-17.46%
3,192
0.09% of portfolio
low
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