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Latest Gagnon Advisors, LLC Stock Portfolio

Gagnon Advisors, LLC Performance:
2025 Q4: -1.05%YTD: -1.04%2024: 34.45%

Performance for 2025 Q4 is -1.05%, and YTD is -1.04%, and 2024 is 34.45%.

About Gagnon Advisors, LLC and 13F Hedge Fund Stock Holdings

On 2026-02-13, the fund reported it's updated stock portfolio. In the 13F Holdings report, Gagnon Advisors, LLC reported an equity portfolio of $157.5 Millions as of 31 Dec, 2025.

The top stock holdings of Gagnon Advisors, LLC are SMFR, AMRC, AL. The fund has invested 10.5% of it's portfolio in GENEDX HOLDINGS CORP and 8.8% of portfolio in AMERESCO INC.

The fund managers got completely rid off ASPEN AEROGELS INC (ASPN) stocks. They significantly reduced their stock positions in FRESHWORKS INC (FRSH) and DOUBLEVERIFY HLDGS INC (DV). The fund showed a lot of confidence in some stocks as they added substantially to FIVE9 INC (FIVN), TREACE MED CONCEPTS INC (TMCI) and AMPLITUDE INC (AMPL).

Gagnon Advisors, LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Gagnon Advisors, LLC made a return of -1.05% in the last quarter. In trailing 12 months, it's portfolio return was -1.04%.
  • Performance
  • S&P 500

New Buys

No new stocks were added by Gagnon Advisors, LLC

Additions

Ticker% Inc.
five9 inc100
treace med concepts inc58.4
amplitude inc29.53
marinemax inc28.08
pacira biosciences inc22.26
profound med corp7.31
caredx inc0.66

Additions to existing portfolio by Gagnon Advisors, LLC

Reductions

Ticker% Reduced
freshworks inc-50.00
doubleverify hldgs inc-30.00

Gagnon Advisors, LLC reduced stake in above stock

Sold off

Ticker$ Sold
aspen aerogels inc-3,936,370

Gagnon Advisors, LLC got rid off the above stocks

Sector Distribution

Gagnon Advisors, LLC has about 27.7% of it's holdings in Technology sector.

Sector%
Technology27.7
Healthcare19.1
Industrials16.8
Others10.8
10.5
Energy6.9
Real Estate5.2
Consumer Cyclical3

Market Cap. Distribution

Gagnon Advisors, LLC has about 14.1% of it's portfolio invested in the large-cap and mega-cap stocks.

Category%
SMALL-CAP39
MID-CAP30.4
LARGE-CAP12.1
UNALLOCATED10.8
MICRO-CAP5.7
MEGA-CAP2

Stocks belong to which Index?

About 53.4% of the stocks held by Gagnon Advisors, LLC either belong to S&P 500 or RUSSELL 2000 index.

Index%
Others46.6
RUSSELL 200046.2
S&P 5007.2
Top 5 Winners (%)%
PROF
profound med corp
57.7 %
CNF
cnfinance hldgs ltd
44.4 %
CDNA
caredx inc
29.4 %
SMFR
genedx holdings corp
20.7 %
KLTR
kaltura inc
13.9 %
Top 5 Winners ($)$
SMFR
genedx holdings corp
2.8 M
PROF
profound med corp
2.8 M
CDNA
caredx inc
2.3 M
NVGS
navigator hldgs ltd
0.9 M
FRSH
freshworks inc
0.4 M
Top 5 Losers (%)%
TMCI
treace med concepts inc
-58.6 %
AOSL
alpha & omega semiconductor lt
-29.1 %
OSUR
orasure technologies inc
-24.6 %
VERX
vertex inc
-19.4 %
FIVN
five9 inc
-13.4 %
Top 5 Losers ($)$
TMCI
treace med concepts inc
-5.3 M
AMRC
ameresco inc
-2.0 M
VERX
vertex inc
-1.1 M
FIVN
five9 inc
-1.0 M
AOSL
alpha & omega semiconductor lt
-1.0 M

Gagnon Advisors, LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of Gagnon Advisors, LLC

Gagnon Advisors, LLC has 23 stocks in it's portfolio. About 65.2% of the portfolio is in top 10 stocks. TMCI proved to be the most loss making stock for the portfolio. SMFR was the most profitable stock for Gagnon Advisors, LLC last quarter.

Last Reported on: 13 Feb, 2026
TickerNamesorted ascending% PortfolioShares Held$ ValueType% ChangeOptions