How is hedge fund similarity measured?

Similarity is computed from each fund's top conviction holdings in their latest 13F filing. Funds are scored by the overlap of distinctive shared positions (the mega-caps that nearly every fund owns are excluded), so the ranking reflects genuinely shared strategy rather than common index exposure.

Hedge Funds Similar to Impax Asset Group plc

13F Portfolio OverlapQ1 2026Impax Asset Group plc portfolio →

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Most similar hedge funds by 13F overlap

Impax Asset Management Group plc is an institutional investor managing $14.3B across 287 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 Impax Asset Group plc are Foresight Group Ltd Liability Partnership, MIROVA, Mirova US, with shared positions in $XYL, $AWK, $APTV, $VLTO, $ECL, $A. The full ranking of 25 similar funds is below.

#1Foresight Group Ltd Liability PartnershipPassive

Notable overlap · 9 shared positions

$XYL $AWK $APTV $VLTO $ECL $A

$566M

59 positions

#2MIROVAPassive

Notable overlap · 14 shared positions

$ECL $VRT $VLTO $IEX $XYL $KLAC

$2.5B

179 positions

#3Mirova US LLCActive

Notable overlap · 9 shared positions

$XYL $HUBB $VRT $EBAY $VLTO $ECL

$8.8B

42 positions

#4Robeco Schweiz AGActive

Notable overlap · 10 shared positions

$VRT $XYL $MRVL $VLTO $A $ITRI

$4.7B

126 positions

#5Triodos Investment Management BVActive

Notable overlap · 6 shared positions

$KLAC $XYL $VLTO $WMS $EBAY $WTS

$1.3B

49 positions

#6Tribune Investment Group LPActive

Notable overlap · 5 shared positions

$LIN $CTAS $ECL $UNP $CNM

$261M

30 positions

#7ECOFI INVESTISSEMENTS SAPassive

Notable overlap · 9 shared positions

$XYL $VLTO $ECL $EBAY $ZTS $SNPS

$55M

36 positions

#8Liontrust Investment Partners LLPActive

Notable overlap · 7 shared positions

$VLTO $ECL $CTAS $A $WMS $CDNS

$6.7B

204 positions

#9NZS Capital, LLCActive

Notable overlap · 5 shared positions

$LIN $KLAC $MRVL $CDNS $SNPS

$3.0B

58 positions

#10Terra Alpha Investments LLC

Notable overlap · 5 shared positions

$XYL $VLTO $A $AWK $TTEK

$98M

32 positions

#11Ayrshire Capital Management LLCPassive

Notable overlap · 3 shared positions

$LIN $KLAC $ECL

$193M

50 positions

#12NORTHSTAR ASSET MANAGEMENT INCActive

Notable overlap · 3 shared positions

$LIN $XYL $VLTO

$326M

86 positions

#13Northwest & Ethical Investments L.P.Passive

Notable overlap · 9 shared positions

$WCN $LIN $UNP $KLAC $A $HUBB

$4.3B

526 positions

#14EDENTREE ASSET MANAGEMENT LtdActive

Notable overlap · 4 shared positions

$XYL $WCN $WMS $LIN

$332M

65 positions

#15COMGEST GLOBAL INVESTORS S.A.S.Active

Notable overlap · 3 shared positions

$LIN $CTAS $ZTS

$4.6B

52 positions

#16ZEVIN ASSET MANAGEMENT LLCPassive

Notable overlap · 5 shared positions

$LIN $VLTO $ECL $WCN $CDNS

$723M

93 positions

#17MOUNTAIN PACIFIC INVESTMENT ADVISERS LLCActive

Notable overlap · 5 shared positions

$XYL $VRT $ECL $IEX $VLTO

$584M

141 positions

#18ALBERT D MASON INCPassive

Notable overlap · 3 shared positions

$KLAC $LIN $HUBB

$154M

129 positions

#19Sone Capital Management, LLCPassive

Notable overlap · 5 shared positions

$AWK $VLTO $UNP $IEX $ZTS

$1.2B

101 positions

#20NICOLA WEALTH MANAGEMENT LTD.Passive

Some overlap · 5 shared positions

$WCN $LIN $UNP $SNPS $TTEK

$833M

62 positions

#21Walter Public Investments Inc.Passive

Some overlap · 5 shared positions

$HUBB $KLAC $VLTO $CDNS $ZTS

$418M

48 positions

#22ALKEON CAPITAL MANAGEMENT LLCSmart money

Some overlap · 4 shared positions

$KLAC $VRT $CDNS $SNPS

$59.5B

102 positions

#23Aureus Asset Management, LLCPassive

Some overlap · 3 shared positions

$LIN $WCN $AWK

$1.5B

225 positions

#24Rithm Capital Corp.Active

Some overlap · 5 shared positions

$HUBB $VRT $WCN $FELE $ACM

$67M

38 positions

#25McLaughlin Asset Management, Inc.Passive

Some overlap · 5 shared positions

$KLAC $VRT $MRVL $LIN $HUBB

$105M

91 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.