13F Pro

Hedge Funds Similar to GAGNON SECURITIES

13F Portfolio OverlapQ2 2026GAGNON SECURITIES portfolio →
Institutional-grade research for retail investors

Most similar hedge funds by 13F overlap

GAGNON SECURITIES LLC is an institutional investor managing $519M across 83 U.S. equity positions as of Q2 2026. Based on the overlap of conviction holdings in their latest 13F filings, the hedge funds with portfolios most similar to GAGNON SECURITIES are Gagnon Advisors, Eversept Partners, DISCIPLINED GROWTH INVESTORS, with shared positions in $CDNA, $WGS, $AMRC, $EPD, $EQIX, $FRSH. The full ranking of 25 similar funds is below.

#1Gagnon Advisors, LLCActive
Highly similar · 21 shared positions
$CDNA$WGS$AMRC$EPD$EQIX$FRSH
$157M
23 positions
#2Eversept Partners, LPActive
Some overlap · 4 shared positions
$ENSG$CTRE$PNTG$CELC
$1.9B
120 positions
#3DISCIPLINED GROWTH INVESTORS INC /MNActive
Some overlap · 6 shared positions
$GNRC$PRLB$DV$ISRG$MCHP$GNTX
$5.9B
58 positions
#4Tensile Capital Management LPActive
Some overlap · 3 shared positions
$EQIX$BL$VERX
$724M
22 positions
#5Opti Capital Management, LPActive
Some overlap · 3 shared positions
$FIVN$BL$VERX
$1.6B
46 positions
#6S Squared Technology, LLCActive
Some overlap · 4 shared positions
$FIVN$PRLB$KLTR$AMPL
$322M
33 positions
#7Van Berkom & Associates Inc.Active
Some overlap · 3 shared positions
$ENSG$FIVN$PNTG
$3.1B
67 positions
#8Laurus Global Equity Management Inc.
Some overlap · 3 shared positions
$GNRC$ENSG$DV
$102M
45 positions
#9ASHFORD CAPITAL MANAGEMENT INC
Some overlap · 3 shared positions
$EQIX$WGS$EPD
$933M
107 positions
#10BRAIDWELL LPActive
Some overlap · 3 shared positions
$HNGE$CDNA$ISRG
$2.7B
86 positions
#11Nitorum Capital, L.P.Active
Some overlap · 3 shared positions
$GNRC$ICUI$GNTX
$147M
23 positions
#12Balance Wealth, LLCActive
Some overlap · 5 shared positions
$ISRG$ENSG$CTRE$PNTG$CDNA
$376M
165 positions
#13Zweig-DiMenna Associates LLCActive
Some overlap · 3 shared positions
$WGS$CDNA$MCHP
$1.1B
70 positions
#14Adelante Capital Management LLC
Some overlap · 3 shared positions
$EQIX$CTRE$SLG
$1.5B
42 positions
#15Summit Creek Advisors LLCPassive
Some overlap · 3 shared positions
$BLFS$HNGE$PNTG
$294M
64 positions
#16Ares Systematic Credit LtdPassive
Some overlap · 3 shared positions
$FIVN$CELC$MCHP
$165M
242 positions
#17CENTERSQUARE INVESTMENT MANAGEMENT LLCActive
Some overlap · 3 shared positions
$EQIX$CTRE$SLG
$11.7B
80 positions
#18PARADIGM CAPITAL MANAGEMENT INC/NYActive
Some overlap · 3 shared positions
$ENSG$QDEL$PNTG
$3.7B
115 positions
#19COATUE MANAGEMENT LLCActive
Some overlap · 3 shared positions
$EQIX$ISRG$GNRC
$48.6B
66 positions
#20SHENKMAN CAPITAL MANAGEMENT INCPassive
Some overlap · 3 shared positions
$BL$CELC$MCHP
$721M
80 positions
#21Wellesley Asset ManagementPassive
Some overlap · 3 shared positions
$BL$PCRX$MCHP
$1.1B
64 positions
#22Prosight Management, LPActive
Some overlap · 3 shared positions
$ISRG$WGS$ICUI
$580M
36 positions
#23Scott & Selber, Inc.Active
Some overlap · 3 shared positions
$GNRC$CMG$ISRG
$474M
91 positions
#24Values First Advisors, Inc.Passive
Slight overlap · 3 shared positions
$ENSG$MCHP$GNTX
$219M
187 positions
#25Shellback Capital, LPPassive
Slight overlap · 3 shared positions
$CMG$GNRC$MCHP
$1.1B
89 positions

Compare GAGNON SECURITIES’s portfolio side by side

See the exact shared positions, conviction overlap, sector alignment, and where these funds diverge — and run the same analysis on any of 8,700+ institutions.

View GAGNON SECURITIES’s holdings

Similarity is derived from each fund’s latest 13F-HR filing with the SEC. Funds are ranked by the overlap of distinctive conviction holdings; near-universal mega-cap positions are excluded so the ranking reflects shared strategy, not common index exposure. Data is informational only and not investment advice.