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Hedge Funds Similar to ESSEX INVESTMENT

13F Portfolio OverlapQ1 2026ESSEX INVESTMENT portfolio →
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Most similar hedge funds by 13F overlap

ESSEX INVESTMENT MANAGEMENT CO LLC is an institutional investor managing $632M across 305 U.S. equity positions as of Q1 2026. Based on the overlap of conviction holdings in their latest 13F filings, the hedge funds with portfolios most similar to ESSEX INVESTMENT are Nicholas Investment Partners,, NEXT CENTURY GROWTH INVESTORS, Lisanti Growth,, with shared positions in $KTOS, $INSM, $STRL, $LINC, $MIRM, $GEV. The full ranking of 25 similar funds is below.

#1Nicholas Investment Partners, LPPassive
Notable overlap · 7 shared positions
$KTOS$INSM$STRL$LINC$MIRM$GEV
$1.4B
205 positions
#2NEXT CENTURY GROWTH INVESTORS LLCPassive
Notable overlap · 5 shared positions
$LINC$STRL$MIRM$LGND$MAMA
$1.4B
112 positions
#3Lisanti Capital Growth, LLCPassive
Some overlap · 5 shared positions
$LGND$STRL$AGX$KTOS$AMPX
$397M
103 positions
#4EMERALD ADVISERS, LLCPassive
Some overlap · 6 shared positions
$KTOS$AGX$MIRM$STRL$CECO$TVTX
$3.2B
248 positions
#5EMERALD MUTUAL FUND ADVISERS TRUSTPassive
Some overlap · 6 shared positions
$KTOS$AGX$MIRM$STRL$CECO$TVTX
$2.1B
199 positions
#6THAMES CAPITAL MANAGEMENT LLCPassive
Some overlap · 6 shared positions
$AGX$AMPX$STRL$GEV$PRIM$AIP
$558M
43 positions
#7G2 Investment Partners Management LLCPassive
Some overlap · 4 shared positions
$TSEM$STRL$LYTS$AIP
$406M
71 positions
#8Herald Investment Management LtdActive
Some overlap · 3 shared positions
$TSEM$DRS$AIP
$718M
97 positions
#9Ranger Investment Management, L.P.Active
Some overlap · 4 shared positions
$LGND$STRL$AGX$OII
$1.4B
79 positions
#10Munro PartnersActive
Some overlap · 5 shared positions
$STRL$GEV$DRS$BWXT$PRIM
$3.0B
59 positions
#11Legato Capital Management LLCPassive
Some overlap · 7 shared positions
$AGX$STRL$KTOS$LYTS$LINC$INSM
$1.1B
726 positions
#12NEEDHAM INVESTMENT MANAGEMENT LLCActive
Some overlap · 4 shared positions
$LINC$CECO$TTI$AIP
$2.0B
176 positions
#13Manatuck Hill Partners, LLCActive
Some overlap · 4 shared positions
$LINC$AEM$OII$MAMA
$370M
116 positions
#14TANG CAPITAL MANAGEMENT LLCActive
Some overlap · 3 shared positions
$KNSA$INSM$MIRM
$2.0B
51 positions
#15Rithm Capital Corp.Active
Some overlap · 4 shared positions
$STRL$GEV$PRIM$BWXT
$67M
38 positions
#16Palo Alto Investors LPActive
Some overlap · 4 shared positions
$INSM$MIRM$NVCR$TVTX
$654M
51 positions
#17Gunderson Capital Management Inc.Passive
Some overlap · 3 shared positions
$TSEM$AGX$GEV
$239M
46 positions
#18Palisades Investment Partners, LLCActive
Some overlap · 4 shared positions
$STRL$AMSC$AMPX$TVTX
$255M
51 positions
#19PERRITT CAPITAL MANAGEMENT INC
Some overlap · 4 shared positions
$LINC$CECO$LYTS$ORN
$60M
79 positions
#20Tribune Investment Group LPActive
Some overlap · 4 shared positions
$KTOS$GEV$BWXT$MIR
$261M
30 positions
#21Aperture Investors, LLCPassive
Some overlap · 3 shared positions
$STRL$AGX$TTI
$791M
87 positions
#22EVENTIDE ASSET MANAGEMENT, LLCPassive
Some overlap · 3 shared positions
$MIRM$INSM$GEV
$6.0B
278 positions
#23Riggs Asset Managment Co. Inc.Passive
Some overlap · 3 shared positions
$STRL$GEV$GSAT
$486M
127 positions
#241492 Capital Management LLCPassive
Some overlap · 3 shared positions
$STRL$PRIM$ADPT
$263M
130 positions
#25Future Fund LLCPassive
Some overlap · 4 shared positions
$KTOS$LGND$WMS$BWXT
$284M
127 positions

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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.