Latest GAGNON SECURITIES LLC Stock Portfolio

$433Million | No. of Holdings #85

GAGNON SECURITIES LLC Performance

2026 Q1-8.88%

YTD-8.88%

2025+2.74%

About GAGNON SECURITIES LLC and 13F Hedge Fund Stock Holdings

On 2026-04-22, the fund reported it's updated stock portfolio. In the 13F Holdings report, GAGNON SECURITIES LLC reported an equity portfolio of $433.2 Millions as of 31 Mar, 2026. <br><br> The top stock holdings of GAGNON SECURITIES LLC are ENSG, CDNA, AMRC. The fund has invested 8.4% of it's portfolio in ENSIGN GROUP INC and 7.1% of portfolio in CAREDX INC. <br><br> The fund managers got completely rid off AIR LEASE CORP (AL), EXACT SCIENCES CORP (EXAS) and TAPESTRY INC (TPR) stocks. They significantly reduced their stock positions in NVIDIA CORPORATION (NVDA), WEAVE COMMUNICATIONS INC (WEAV) and VIAVI SOLUTIONS INC (VIAV). GAGNON SECURITIES LLC opened new stock positions in ISHARES TR (DMXF), HINGE HEALTH INC and DOCUSIGN INC (DOCU). The fund showed a lot of confidence in some stocks as they added substantially to QUIDELORTHO CORP (QDEL), SAVERS VALUE VLG INC (SVV) and COMMVAULT SYS INC (CVLT).

GAGNON SECURITIES LLC Equity Portfolio Value

Last Reported on: 22 Apr, 2026

$433Million

as of Apr 22, 2026

GAGNON SECURITIES LLC Annual Return Estimates Vs S&P 500

Our best estimate is that GAGNON SECURITIES LLC made a return of -8.88% in the last quarter. In trailing 12 months, it's portfolio return was 4.21%.

Performance
S&P 500

New Buys

Ticker	$ Bought
ishares tr	9,331,380
hinge health inc	4,791,080
docusign inc	1,006,610
eog res inc	267,599
planet labs pbc	233,438
electrovaya inc	205,330

New stocks bought by GAGNON SECURITIES LLC

Additions

Ticker	% Inc.
quidelortho corp	153
savers value vlg inc	82.71
commvault sys inc	78.39
treace med concepts inc	67.23
aspen aerogels inc	64.29
amplitude inc	51.65
freshworks inc	40.76
blackstone inc	31.53

Additions to existing portfolio by GAGNON SECURITIES LLC

Reductions

Ticker	% Reduced
nvidia corporation	-82.19
weave communications inc	-51.45
viavi solutions inc	-39.52
marinemax inc	-31.5
ces energy solutions corp	-27.02
starbucks corp	-26.01
alpha & omega semiconductor lt	-22.15
merck & co inc	-17.46

GAGNON SECURITIES LLC reduced stake in above stock

Sold off

Ticker	$ Sold
air lease corp	-31,919,500
exact sciences corp	-17,002,600
goodrx hldgs inc	-119,560
petmed express inc	-135,450
tapestry inc	-2,740,320
exxon mobil corp	-864,041
paypal hldgs inc	-385,074

GAGNON SECURITIES LLC got rid off the above stocks

Sector Distribution

GAGNON SECURITIES LLC has about 32.6% of it's holdings in Healthcare sector.

Healthcare
Technology
Others
Industrials
Consumer Cyclical
Energy
Real Estate

Sector	%
Healthcare	32.6
Technology	16
Others	12.2
Industrials	11.3
Consumer Cyclical	11.1
Energy	5.6
Real Estate	5.5
	4.5

Market Cap. Distribution

GAGNON SECURITIES LLC has about 26.3% of it's portfolio invested in the large-cap and mega-cap stocks.

SMALL-CAP
LARGE-CAP
MID-CAP
UNALLOCATED
MICRO-CAP

Category	%
SMALL-CAP	29.1
LARGE-CAP	26.3
MID-CAP	26.1
UNALLOCATED	12.2
MICRO-CAP	5.3

Stocks belong to which Index?

About 70.1% of the stocks held by GAGNON SECURITIES LLC either belong to S&P 500 or RUSSELL 2000 index.

RUSSELL 2000
Others
S&P 500

Index	%
RUSSELL 2000	53
Others	29.9
S&P 500	17.1

Top 5 Winners (%)		%
PTEN	patterson-uti energy inc	73.1 %
VIAV	viavi solutions inc	69.6 %
GNRC	generac hldgs inc	43.0 %
	ces energy solutions corp	41.0 %
DVN	devon energy corp	37.3 %

Top 5 Winners ($)		$
ENSG	ensign group inc	4.9 M
GNRC	generac hldgs inc	4.4 M
EQIX	equinix inc	3.6 M
EPD	enterprise prods partners l p	3.0 M
NVGS	navigator hldgs ltd	1.8 M

Top 5 Losers (%)		%
SMFR	genedx holdings corp	-48.5 %
APPS	digital turbine inc	-42.4 %
NCNO	ncino inc	-40.6 %
TMCI	treace med concepts inc	-39.8 %
VERX	vericel corp	-37.7 %

Top 5 Losers ($)		$
SMFR	genedx holdings corp	-18.3 M
FRSH	freshworks inc	-6.2 M
BL	blackline inc	-5.3 M
TMCI	treace med concepts inc	-4.6 M
AMPL	amplitude inc	-4.2 M

GAGNON SECURITIES LLC Holdings Map

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

Current Stock Holdings of GAGNON SECURITIES LLC

GAGNON SECURITIES LLC has 85 stocks in it's portfolio. About 47.1% of the portfolio is in top 10 stocks. SMFR proved to be the most loss making stock for the portfolio. ENSG was the most profitable stock for GAGNON SECURITIES LLC last quarter.

$433.21MTotal Value

92.00Positions

22 Apr, 2026Last Reported

Current holdings of Current Stock Holdings of GAGNON SECURITIES LLC, last reported on 22 Apr, 2026. Select a row with a linked ticker to view its historical trend.
Holdingsorted ascending	% Portfolio	Shares Held	$ Value	% Change
AKAM Akamai Technologies Inc Akamai Technologies IncAKAM GAGNON SECURITIES LLC's holding in Akamai Technologies Inc over time	0.08%	2,896	$332.6K 0.08%	increased 14.92 percentadded

AL Air Lease Corp Air Lease CorpAL GAGNON SECURITIES LLC's holding in Air Lease Corp over time	0%	0.00	$0.00 0%	decreased 100 percentsold off

ALRN Rein Therapeutics Inc Rein Therapeutics IncALRN GAGNON SECURITIES LLC's holding in Rein Therapeutics Inc over time	0.07%	239,520	$311.4K 0.07%	decreased 0.29 percentreduced

AMPL Amplitude Inc Amplitude IncAMPL GAGNON SECURITIES LLC's holding in Amplitude Inc over time	1.67%	1,059,840	$7.23M 1.67%	increased 51.65 percentadded

AMRC Ameresco Inc Ameresco IncAMRC GAGNON SECURITIES LLC's holding in Ameresco Inc over time	4.94%	840,063	$21.42M 4.94%	increased 0.86 percentadded

AOSL Alpha & Omega Semiconductor Lt Alpha & Omega Semiconductor LtAOSL GAGNON SECURITIES LLC's holding in Alpha & Omega Semiconductor Lt over time	0.86%	167,874	$3.72M 0.86%	decreased 22.15 percentreduced

APPS Digital Turbine Inc Digital Turbine IncAPPS GAGNON SECURITIES LLC's holding in Digital Turbine Inc over time	0.05%	81,839	$235.7K 0.05%	unchanged 0 percentunchanged

ASPN Aspen Aerogels Inc Aspen Aerogels IncASPN GAGNON SECURITIES LLC's holding in Aspen Aerogels Inc over time	1.47%	1,861,850	$6.37M 1.47%	increased 64.29 percentadded

ATNM Actinium Pharmaceuticals Inc Actinium Pharmaceuticals IncATNM GAGNON SECURITIES LLC's holding in Actinium Pharmaceuticals Inc over time	0.05%	201,300	$200.4K 0.05%	decreased 0.25 percentreduced

BL Blackline Inc Blackline IncBL GAGNON SECURITIES LLC's holding in Blackline Inc over time	2.53%	296,424	$10.97M 2.53%	increased 6.09 percentadded

BLFS Biolife Solutions Inc Biolife Solutions IncBLFS GAGNON SECURITIES LLC's holding in Biolife Solutions Inc over time	2.36%	536,512	$10.24M 2.36%	increased 0.4 percentadded

BX Blackstone Inc Blackstone IncBX GAGNON SECURITIES LLC's holding in Blackstone Inc over time	0.05%	1,940	$223.1K 0.05%	increased 31.53 percentadded

CAKE Cheesecake Factory Inc Cheesecake Factory IncCAKE GAGNON SECURITIES LLC's holding in Cheesecake Factory Inc over time	2.84%	225,048	$12.32M 2.84%	decreased 0.68 percentreduced

CARG Cargurus Inc Cargurus IncCARG GAGNON SECURITIES LLC's holding in Cargurus Inc over time	2.13%	271,524	$9.25M 2.13%	increased 0.26 percentadded

CDNA Caredx Inc Caredx IncCDNA GAGNON SECURITIES LLC's holding in Caredx Inc over time	7.06%	1,761,870	$30.59M 7.06%	decreased 0.73 percentreduced

CELC Celcuity Inc Celcuity IncCELC GAGNON SECURITIES LLC's holding in Celcuity Inc over time	1.41%	53,342	$6.09M 1.41%	decreased 0.11 percentreduced

CGNX Cognex Corp Cognex CorpCGNX GAGNON SECURITIES LLC's holding in Cognex Corp over time	0.11%	9,780	$479.1K 0.11%	increased 0.08 percentadded

CMG Chipotle Mexican Grill Inc Chipotle Mexican Grill IncCMG GAGNON SECURITIES LLC's holding in Chipotle Mexican Grill Inc over time	1.17%	157,849	$5.05M 1.17%	increased 0.56 percentadded

CNF Cnfinance Hldgs Ltd Cnfinance Hldgs Ltd CNF GAGNON SECURITIES LLC's holding in Cnfinance Hldgs Ltd over time	0.28%	313,938	$1.23M 0.28%	decreased 0.92 percentreduced

CTRE Caretrust Reit Inc Caretrust Reit IncCTRE GAGNON SECURITIES LLC's holding in Caretrust Reit Inc over time	1.13%	133,046	$4.88M 1.13%	decreased 0.02 percentreduced