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Gagnon Advisors, LLC

SEC CIK
0001599466
Latest filing
Aug 4, 2026

Holdings in Q4 2021

Holdings as of Dec 31, 2021, filed Feb 8, 2022. Long positions only; changes compare share counts with Q3 2021.

Institution overview
Positions
34
−1 vs. Q3 2021
Portfolio value
$251.7M
−$356.0K (−0.1%) vs. Q3 2021
Filed
Feb 8, 2022
SEC
Holdings of Gagnon Advisors, LLC in Q4 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
AOSLAlpha & Omega Semiconductor LtdSHS398,569$24.1M9.6%−32,252−7.5%ReducedHistory
PCRXPacira BioSciences, Inc.COM251,140$15.1M6.0%+10,998+4.6%AddedHistory
AMRCAmeresco, Inc.CL A180,260$14.7M5.8%−60,618−25.2%ReducedHistory
NEWRNew Relic, Inc.COM124,589$13.7M5.4%00.0%UnchangedHistory
ALSumisho Air Lease CorpCL A305,043$13.5M5.4%+50,093+19.6%AddedHistory
BLBlackline, Inc.COM123,843$12.8M5.1%00.0%UnchangedHistory
CDNACareDx, Inc.COM277,347$12.6M5.0%+23,357+9.2%AddedHistory
YEXTYext, Inc.COM1,138,253$11.3M4.5%+325,757+40.1%AddedHistory
APENApollo Endosurgery, Inc.COM1,329,354$11.2M4.5%00.0%UnchangedHistory
FIVNFive9, Inc.COM81,266$11.2M4.4%00.0%UnchangedHistory
EVAEnviva, LLCCOM UNIT144,777$10.2M4.0%00.0%UnchangedHistory
NVGSNavigator Holdings Ltd.SHS1,092,564$9.69M3.8%+118,783+12.2%AddedHistory
ETWOE2open Parent Holdings, Inc.COM CL A840,947$9.47M3.8%00.0%UnchangedHistory
EQIXEquinix IncCOM9,171$7.76M3.1%00.0%UnchangedHistory
SCWXSecureWorks CorpCL A468,599$7.48M3.0%00.0%UnchangedHistory
EVBGEverbridge, Inc.COM104,383$7.03M2.8%+24,161+30.1%AddedHistory
LLLL Flooring Holdings, Inc.COM409,756$7.00M2.8%00.0%UnchangedHistory
BLFSBiolife Solutions IncCOM NEW175,275$6.53M2.6%00.0%UnchangedHistory
ZUOZuora IncCOM CL A337,993$6.31M2.5%00.0%UnchangedHistory
EPDEnterprise Products Partners L.P.Stock275,981$6.06M2.4%00.0%UnchangedHistory
SLGCSomaLogic, Inc.CLASS A COM512,968$5.97M2.4%00.0%UnchangedHistory
CSLTCastlight Health, Inc.CL B2,958,279$4.56M1.8%00.0%UnchangedHistory
PROFProfound Medical Corp.COM NEW402,177$4.52M1.8%00.0%UnchangedHistory
WGSGeneDx Holdings Corp.COMMON STOCK739,100$3.30M1.3%+368,690+99.5%AddedHistory
FRSHFreshworks Inc.Stock118,577$3.11M1.2%00.0%UnchangedHistory
Opsens Incorporated683823108Common Stock1,195,840$2.94M1.2%+217,094+22.2%Added–
CNFCNFinance Holdings Ltd.SPON ADS667,825$2.73M1.1%+2570.0%AddedHistory
CELCCelcuity Inc.COM187,873$2.48M1.0%00.0%UnchangedHistory
PSIXPower Solutions International, Inc.Stock626,584$1.88M0.7%00.0%UnchangedHistory
MIROMiromatrix Medical Inc.COM229,802$1.08M0.4%00.0%UnchangedHistory
E2open Parent Holdings, Inc.29788T111*W EXP 02/04/202280,316$813.0K0.3%00.0%Unchanged–
SLGCWSomaLogic, Inc.*W EXP 03/01/202102,594$343.0K0.1%00.0%UnchangedHistory
SEMA4 Holdings Corp81663L119*W EXP 07/22/202246,365$241.0K0.1%+122,896+99.5%Added–
AMWLAmerican Well CorpCL A4,572$64.0K<0.1%+4,572NewHistory

Sold out since Q3 2021 (2)

Positions held at the end of Q3 2021 that are gone from this filing.

Positions of Gagnon Advisors, LLC sold out since Q3 2021
SecurityClassShares in Q3 2021Value in Q3 2021% of portfolio in Q3 2021History
ONTOOnto Innovation Inc.COM71,307$5.15M2.0%History
TFFPTFF Pharmaceuticals, Inc.COM18,565$143.0K0.1%History