What hedge funds are most similar to Granahan Investment Management, LLC?

The funds with the most similar 13F portfolios to Granahan Investment Management, LLC are Lisanti Growth, Portolan, G2 Investment Partners, based on overlapping conviction holdings in the latest SEC filings.

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 Granahan Investment

13F Portfolio OverlapQ2 2026Granahan Investment portfolio →

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Most similar hedge funds by 13F overlap

Granahan Investment Management, LLC is an institutional investor managing $2.8B across 150 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 Granahan Investment are Lisanti Growth, Portolan, G2 Investment Partners, with shared positions in $CRS, $SIMO, $MOD, $LGND, $ZETA, $MGNI. The full ranking of 25 similar funds is below.

#1Lisanti Capital Growth, LLCPassive

Notable overlap · 9 shared positions

$CRS $SIMO $MOD $LGND $ZETA $MGNI

$455M

109 positions

#2Portolan Capital Management, LLCPassive

Notable overlap · 7 shared positions

$MOD $TTMI $GENI $PRCH $DAVE $ZETA

$2.7B

148 positions

#3G2 Investment Partners Management LLCPassive

Notable overlap · 7 shared positions

$PRCH $TTMI $MOD $FPS $KRNT $DAVE

$549M

73 positions

#4Ophir Asset Management Pty LtdActive

Notable overlap · 3 shared positions

$SIMO $MRX $MGNI

$1.2B

36 positions

#5NEXT CENTURY GROWTH INVESTORS LLCPassive

Notable overlap · 7 shared positions

$LGND $FTAI $FPS $CRS $FROG $GLBE

$1.9B

113 positions

#6Prospect Capital Advisors, LLCActive

Notable overlap · 3 shared positions

$SIMO $TTMI $DAVE

$220M

30 positions

#74D Advisors, LLCPassive

Notable overlap · 4 shared positions

$FTAI $AXON $ONTO $CWST

$260M

37 positions

#8MOODY NATIONAL BANK TRUST DIVISIONPassive

Notable overlap · 11 shared positions

$PRCH $FPS $SIMO $VCTR $FTAI $MOD

$1.2B

496 positions

#9SCALAR GAUGE MANAGEMENT, LLCActive

Notable overlap · 3 shared positions

$SIMO $ONTO $TTMI

$182M

27 positions

#10Analog Century Management LPActive

Notable overlap · 3 shared positions

$SIMO $ONTO $TTMI

$2.7B

25 positions

#11NEUMEIER POMA INVESTMENT COUNSEL LLCActive

Notable overlap · 3 shared positions

$SIMO $MOD $TTMI

$1.5B

42 positions

#12Herald Investment Management LtdActive

Some overlap · 4 shared positions

$SIMO $FROG $APPS $DSGX

$737M

92 positions

#13SG Capital Management LLCPassive

Some overlap · 5 shared positions

$SIMO $CRS $CWST $ONTO $FTAI

$1.2B

80 positions

#14HAWK RIDGE CAPITAL MANAGEMENT LPActive

Some overlap · 3 shared positions

$SIMO $CRS $MTRN

$3.1B

44 positions

#15P.A.W. CAPITAL CORPPassive

Some overlap · 4 shared positions

$INDI $MGNI $APPS $GENI

$133M

66 positions

#16Pembroke Management, LTDActive

Some overlap · 6 shared positions

$MOD $LGND $VCTR $PRCH $DSGX $LTH

$637M

78 positions

#17Stephens Investment Management Group LLCActive

Some overlap · 7 shared positions

$LGND $RGEN $AXON $GNRC $FPS $FROG

$9.3B

176 positions

#18GENEVA CAPITAL MANAGEMENT LLCActive

Some overlap · 6 shared positions

$ONTO $RGEN $CWST $AXON $RBC $DSGX

$4.4B

119 positions

#191492 Capital Management LLCPassive

Some overlap · 5 shared positions

$CRS $MGNI $ZETA $GENI $INDI

$339M

133 positions

#20Intrinsic Edge Capital Management LLCPassive

Some overlap · 4 shared positions

$CRS $MRX $ONTO $MOD

$967M

120 positions

#21Occam Crest Management LPActive

Some overlap · 3 shared positions

$FTAI $NXT $MGNI

$193M

33 positions

#22Tribune Investment Group LPActive

Some overlap · 4 shared positions

$FTAI $FPS $CRS $RBC

$247M

34 positions

#23Goodlander Investment Management, LLCActive

Some overlap · 3 shared positions

$FPS $NXT $GNRC

$331M

15 positions

#24Wealth High Governance Asset Management Ltda.Active

Some overlap · 3 shared positions

$FPS $NXT $GNRC

$940M

50 positions

#25Wealth High Governance Capital LtdaPassive

Some overlap · 3 shared positions

$FPS $NXT $GNRC

$334M

35 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.