GS

Gagnon Securities LLC

Diversified strategySector-focusedMomentum follower

Total reported value

$433.2M

Reporting period: 2026-03-31 · Number of holdings: 85

GAGNON SECURITIES LLC disclosed 85 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $433.2M and a quarterly turnover rate of 33.4%.

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Personality snowflake

Concentration
13.6
Portfolio Stability
33.38
Momentum/Contrarian
100
Sector conviction
100
Diversification
100
Sizing Uniformity
86.17

Recent moves

  • Trim WGS

    +19.6%　-$13.5M

  • Add ENSG

    -0.5%　$4.8M

  • Add GNRC

    -0.9%　$4.3M

  • Add EQIX

    -1.1%　$3.5M

  • Add EPD

    -2.5%　$2.5M

  • Add NVGS

    +2.9%　$2.2M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1ENSGEnsign Group Inc/theStock-Healthcare8.36%+1.96%-0.49%
2CDNACaredx INCStock-Other7.06%+0.25%-0.73%
3AMRCAmeresco Inc-cl AStock-Other4.94%-0.03%+0.86%
4WGSGenedx Holdings CORPStock-Other4.49%-2.22%+19.57%
5EPDEnterprise Products PartnersStock-Energy4.49%+1.05%-2.53%
6NVGSNavigator Holdings Ltd.Stock-Other3.96%+0.92%+2.87%
7EQIXEquinix INCStock-Real Estate3.84%+1.17%-1.11%
8GNRCGenerac Holdings INCStock-Industrials3.38%+1.28%-0.90%
9ISRGIntuitive Surgical INCStock-Healthcare3.36%-0.31%-0.56%
10PCRXPacira Biosciences INCStock-Other3.22%+0.58%+23.20%
11FRSHFreshworks Inc-cl AStock-Other3.21%+0.14%+40.76%
12KMXCarmax INCStock-Consumer Disc2.97%+0.45%-3.24%
13PROFProfound Medical CORPStock-Other2.91%-0.21%+0.01%
14CAKECheesecake Factory Inc/theStock-Consumer Disc2.84%+0.51%-0.68%
15BLBlackline INCStock-Tech2.53%-0.62%+6.09%
16BLFSBiolife Solutions INCStock-Other2.36%-0.27%+0.40%
17FIVNFive9 INCStock-Tech2.18%-0.37%-0.59%
18SGOVIshares 0-3 Month Treasury BETF-Gov Bonds2.15%+2.15%NEW
19CARGCargurus INCStock-Consumer Disc2.13%+0.02%+0.26%
20AMPLAmplitude Inc-class AStock-Other1.67%+0.02%+51.65%
21TMCITreace Medical Concepts INCStock-Other1.61%+0.06%+67.23%
22QDELQuidelortho CORPStock-Other1.53%+0.60%+153.38%
23ASPNAspen Aerogels INCStock-Other1.47%+0.82%+64.29%
24PRLBProto Labs INCStock-Other1.46%+0.31%-0.59%
25CELCCelcuity INCStock-Other1.41%+0.33%-0.11%
26HZOMarinemax INCStock-Other1.38%-0.21%-31.50%
27VERXVertex INC - Class AStock-Other1.29%-0.19%+28.41%
28OSUROrasure Technologies INCStock-Other1.19%+0.42%+9.21%
29CMGChipotle Mexican Grill INCStock-Consumer Disc1.17%-0.01%+0.56%
30WCPRFWhitecap Resources INCStock-Other1.13%+0.30%-10.43%
31CTRECaretrust Reit INCStock-Real Estate1.13%—-0.02%
32HNGEHinge Health Inc-aStock-Other1.11%+1.11%NEW
33DVDoubleverify Holdings INCStock-Other1.07%-0.08%-0.65%
34PNTGPennant Group Inc/theStock-Other0.97%+0.18%-0.03%
35KLTRKaltura INCStock-Other0.92%-0.04%+14.59%
36ICUIIcu Medical INCStock-Other0.89%+0.05%+2.30%
37GOOGAlphabet Inc.Stock-Comm Services0.86%-0.01%-22.15%
38PTENPatterson-uti Energy INCStock-Energy0.79%+0.35%-10.81%
39MCHPMicrochip Technology INCStock-Tech0.40%—-1.19%
40SAMBoston Beer Company Inc-aStock-Consumer Staples0.39%+0.13%+13.91%
41GNLGlobal Net Lease INCStock-Real Estate0.37%—-0.23%
42GNTXGentex CORPStock-Consumer Disc0.29%—+2.27%
43PFEPfizer INCStock-Healthcare0.29%—-0.21%
44CNFCnfinance Holdings LTDStock-Other0.28%-0.11%-0.92%
45NCNONcino INCStock-Other0.27%-0.10%+8.20%
46DOCUDocusign INCStock-Tech0.23%+0.23%NEW
47NTDOYNintendo Co Ltd-unspons AdrStock-Other0.23%—-0.89%
48FLGFlagstar Bank NAStock-Financials0.23%—-0.21%
49DVNDevon Energy CORPStock-Energy0.22%+0.08%-0.24%
50SLGSl Green Realty CORPStock-Real Estate0.22%—+0.09%
1–50 of 85

Holding changes this quarter

Gagnon Securities LLC's most significant position changes for 2026-03-31: Sold out: Air Lease CORP (AL); Sold out: Exact Sciences CORP (EXK); New buy: Ishares 0-3 Month Treasury B (SGOV); New buy: Hinge Health Inc-a (HNGE); Sold out: Tapestry INC (TPR).

Position changes disclosed by Gagnon Securities LLC for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1ENSGEnsign Group Inc/the+2%-0.49%Trim
2GNRCGenerac Holdings INC+1.3%-0.90%Trim
3EQIXEquinix INC+1.2%-1.11%Trim
4EPDEnterprise Products Partners+1.1%-2.53%Trim
5NVGSNavigator Holdings Ltd.+0.9%+2.87%Add
6ASPNAspen Aerogels INC+0.8%+64.29%Add
7QDELQuidelortho CORP+0.6%+153.38%Add
8PCRXPacira Biosciences INC+0.6%+23.20%Add
9CAKECheesecake Factory Inc/the+0.5%-0.68%Trim
10KMXCarmax INC+0.5%-3.24%Trim
11OSUROrasure Technologies INC+0.4%+9.21%Add
12PTENPatterson-uti Energy INC+0.4%-10.81%Trim
13CELCCelcuity INC+0.3%-0.11%Trim
14PRLBProto Labs INC+0.3%-0.59%Trim
15WCPRFWhitecap Resources INC+0.3%-10.43%Trim
16CDNACaredx INC+0.3%-0.73%Trim
17PNTGPennant Group Inc/the+0.2%-0.03%Trim
18FRSHFreshworks Inc-cl A+0.1%+40.76%Add
19SAMBoston Beer Company Inc-a+0.1%+13.91%Add
20DVNDevon Energy CORP+0.1%-0.24%Trim
21TMCITreace Medical Concepts INC+0.1%+67.23%Add
22ICUIIcu Medical INC+0.1%+2.30%Add
23CARGCargurus INC0%+0.26%Add
24AMPLAmplitude Inc-class A0%+51.65%Add
25CMGChipotle Mexican Grill INC0%+0.56%Add
26GOOGAlphabet Inc.0%-22.15%Trim
27AMRCAmeresco Inc-cl A0%+0.86%Add
28KLTRKaltura INC0%+14.59%Add
29WEAVWeave Communications INC-0.1%-51.45%Trim
30DVDoubleverify Holdings INC-0.1%-0.65%Trim
31NCNONcino INC-0.1%+8.20%Add
32CNFCnfinance Holdings LTD-0.1%-0.92%Trim
33VERXVertex INC - Class A-0.2%+28.41%Add
34PROFProfound Medical CORP-0.2%+0.01%Add
35HZOMarinemax INC-0.2%-31.50%Trim
36BLFSBiolife Solutions INC-0.3%+0.40%Add
37ISRGIntuitive Surgical INC-0.3%-0.56%Trim
38FIVNFive9 INC-0.4%-0.59%Trim
39BLBlackline INC-0.6%+6.09%Add
40NVDANvidia CORP-0.6%-82.19%Trim
41WGSGenedx Holdings CORP-2.2%+19.57%Add
42ALAir Lease CORP—EXITSold out
43EXKExact Sciences CORP—EXITSold out
44SGOVIshares 0-3 Month Treasury B—NEWNew buy
45HNGEHinge Health Inc-a—NEWNew buy
46TPRTapestry INC—EXITSold out
47DOCUDocusign INC—NEWNew buy
48XOMExxon Mobil CORP—EXITSold out
49PYPLPaypal Holdings INC—EXITSold out
50EOGEog Resources INC—NEWNew buy

FAQ

What is Gagnon Securities LLC and what type of investor is it?
Gagnon Securities LLC is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $433.2M, spread across 85 disclosed positions.
What are Gagnon Securities LLC's largest equity positions?
Based on the latest 13F filing, Gagnon Securities LLC's top holdings by market value are: 1. Ensign Group Inc/the (ENSG) — $36.2M (8.4%) 2. Caredx INC (CDNA) — $30.6M (7.1%) 3. Ameresco Inc-cl A (AMRC) — $21.4M (4.9%) 4. Genedx Holdings CORP (WGS) — $19.5M (4.5%) 5. Enterprise Products Partners (EPD) — $19.5M (4.5%)
What changes did Gagnon Securities LLC make in its most recent portfolio filing?
In the latest reported quarter, Gagnon Securities LLC made 50 notable position adjustments: 4 new positions were initiated, 20 existing holdings were added to, 21 positions were partially reduced, and 5 were completely exited. The largest of these moves: Sold out: Air Lease CORP (AL); Sold out: Exact Sciences CORP (EXK); New buy: Ishares 0-3 Month Treasury B (SGOV); New buy: Hinge Health Inc-a (HNGE); Sold out: Tapestry INC (TPR)
What sectors does Gagnon Securities LLC focus on?
Gagnon Securities LLC is concentrated in the following sectors based on its current disclosed equity portfolio: • Health Care: 53.3% • Communication Services: 21.1% • Consumer Discretionary: 17.8% • Information Technology: 7.7%

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