AI Portfolio Summary
In 2025 Q4, Gagnon Advisors, LLC maintained a portfolio of 24 distinct positions. They heavily accumulated shares in CAREDX INC, increasing their position by 0.7%. Conversely, Gagnon Advisors, LLC completely exited their position in ASPEN AEROGELS INC.
Total Positions
24
Quarter
2025 Q4
Top Holding
WGS (10.5%)
Top 10 Concentration
65.2%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-24 of 24
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
WGS
GENEDX HOLDINGS...
|
Healthcare | 10.49% | 8.45% |
#1
1
Prev: #2
|
7.0 | no change | no change |
P
S
|
127,062 | $16,525,684 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMRC
AMERESCO INC
|
Industrials | 8.79% | 9.80% |
#2
1
Prev: #1
|
6.0 | no change | no change |
P
S
|
472,798 | $13,848,253 | 2013 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AL
AIR LEASE CORP
|
Industrials | 8.01% | 7.72% |
#3
1
Prev: #4
|
5.2 | no change | no change |
P
S
|
196,479 | $12,619,846 | 2013 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EPD
ENTERPRISE PROD...
|
Energy | 6.92% | 6.56% |
#4
1
Prev: #5
|
4.3 | no change | no change |
P
S
|
339,877 | $10,896,457 | 2019 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CDNA
CAREDX INC
|
Healthcare | 6.37% | 4.75% |
#5
3
Prev: #8
|
3.5 | 3,478 | 0.7% |
P
S
|
532,892 | $10,039,685 | 2014 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVGS
NAVIGATOR HLDGS...
|
Energy | 5.69% | 4.95% |
#6
1
Prev: #7
|
3.3 | no change | no change |
P
S
|
517,066 | $8,955,583 | 2015 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EQIX
EQUINIX INC
|
Real Estate | 5.21% | 5.18% |
#7
1
Prev: #6
|
3.1 | no change | no change |
P
S
|
10,715 | $8,209,404 | 2013 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PROF
PROFOUND MED CO...
|
Healthcare | 4.81% | 2.71% |
#8
7
Prev: #15
|
3.9 | 65,515 | 7.3% |
P
S
|
962,186 | $7,572,404 | 2020 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BL
BLACKLINE INC
|
Technology | 4.56% | 4.26% |
#9
2
Prev: #11
|
2.8 | no change | no change |
P
S
|
130,050 | $7,190,465 | 2018 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FRSH
FRESHWORKS INC
|
Technology | 4.39% | 8.21% |
#10
7
Prev: #3
|
1.8 | -564,879 | -50.0% |
P
S
|
564,879 | $6,919,768 | 2021 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PCRX
PACIRA BIOSCIEN...
|
Healthcare | 4.29% | 3.40% |
#11
3
Prev: #14
|
4.2 | 47,506 | 22.3% |
P
S
|
260,908 | $6,752,299 | 2019 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FIVN
FIVE9 INC
|
Technology | 4.28% | 2.50% |
#12
4
Prev: #16
|
4.7 | 168,891 | 100.9% |
P
S
|
336,277 | $6,742,354 | 2016 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BLFS
BIOLIFE SOLUTIO...
|
Healthcare | 4.21% | 4.32% |
#13
3
Prev: #10
|
2.7 | no change | no change |
P
S
|
274,217 | $6,630,567 | 2020 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMPL
AMPLITUDE INC
|
Technology | 3.36% | 2.34% |
#14
6
Prev: #20
|
3.8 | 104,221 | 29.5% |
P
S
|
457,212 | $5,294,515 | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DV
DOUBLEVERIFY HL...
|
Communication Services | 3.18% | 4.63% |
#15
6
Prev: #9
|
1.3 | -187,731 | -30.0% |
P
S
|
438,039 | $5,011,166 | 2023 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HZO
MarineMax Inc
|
Consumer Cyclical | 2.99% | 2.37% |
#16
3
Prev: #19
|
3.7 | 42,639 | 28.1% |
P
S
|
194,484 | $4,712,347 | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VERX
VERTEX INC
|
Technology | 2.95% | 3.56% |
#17
4
Prev: #13
|
2.2 | no change | no change |
P
S
|
232,479 | $4,642,606 | 2023 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TMCI
TREACE MED CONC...
|
Healthcare | 2.39% | 4.01% |
#18
6
Prev: #12
|
4.0 | 565,570 | 58.4% |
P
S
|
1,534,034 | $3,758,383 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 1.96% | 1.91% |
#19
3
Prev: #22
|
1.8 | no change | no change |
P
S
|
16,555 | $3,087,508 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
OSUR
OraSure Technol...
|
Healthcare | 1.86% | 2.39% |
#20
2
Prev: #18
|
1.7 | no change | no change |
P
S
|
1,207,440 | $2,922,005 | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AOSL
ALPHA & OMEGA S...
|
Technology | 1.51% | 2.08% |
#21
Prev: #21
|
1.6 | no change | no change |
P
S
|
120,196 | $2,381,083 | 2013 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KLTR
KALTURA INC
|
Technology | 1.47% | 1.26% |
#22
1
Prev: #23
|
1.6 | no change | no change |
P
S
|
1,413,010 | $2,317,336 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CNF
CNFINANCE HLDGS...
|
Financial Services | 0.31% | 0.21% |
#23
1
Prev: #24
|
1.1 | no change | no change |
P
S
|
80,359 | $486,172 | 2018 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ASPN
ASPEN AEROGELS ...
|
Industrials | 0.00% | 2.43% |
Sold All 😨
(Was: #17) |
0.0 | -565,570 | -100.0% |
CLOSED
|
— | $— | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-24 of 24 holdings