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Hedge Funds Similar to WESTFIELD

13F Portfolio OverlapQ2 2026WESTFIELD portfolio →
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Most similar hedge funds by 13F overlap

WESTFIELD CAPITAL MANAGEMENT CO LP is an institutional investor managing $30.6B across 278 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 WESTFIELD are ZEVENBERGEN INVESTMENTS, TimesSquare, 4D Advisors, with shared positions in $AXON, $SNOW, $VRT, $PWR, $ANET, $RKLB. The full ranking of 25 similar funds is below.

#1ZEVENBERGEN CAPITAL INVESTMENTS LLCActive
Notable overlap · 9 shared positions
$AXON$SNOW$VRT$PWR$ANET$RKLB
$4.4B
109 positions
#2TimesSquare Capital Management, LLCActive
Notable overlap · 7 shared positions
$FIX$AXON$SNOW$MKSI$VRT$RRX
$6.8B
158 positions
#34D Advisors, LLCPassive
Notable overlap · 4 shared positions
$AXON$FTAI$FIX$MKSI
$260M
37 positions
#4RH Tailwind Management, LLCActive
Some overlap · 6 shared positions
$FIX$HWM$VRT$PWR$MS$CRS
$1.0B
58 positions
#5Aubrey Capital Management LtdPassive
Some overlap · 7 shared positions
$FIX$VRT$APG$WWD$ANET$NTRA
$160M
39 positions
#6TREMBLANT CAPITAL GROUPActive
Some overlap · 6 shared positions
$FTAI$HWM$MKSI$GH$RKLB$NET
$3.5B
58 positions
#7POINCIANA ADVISORS GROUP, LLCActive
Some overlap · 6 shared positions
$HWM$FIX$VRT$TPR$ANET$NTRA
$135M
113 positions
#8NAVELLIER & ASSOCIATES INCPassive
Some overlap · 5 shared positions
$FIX$HWM$VRT$PWR$CRS
$1.3B
322 positions
#9SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLCPassive
Some overlap · 6 shared positions
$SNOW$MKSI$VRT$FIX$GH$NTRA
$5.7B
155 positions
#10PRAKASH INVESTMENT ADVISORS LLCPassive
Some overlap · 4 shared positions
$FIX$AXON$VRT$NOW
$174M
92 positions
#11Dorsey Wright & AssociatesPassive
Some overlap · 5 shared positions
$FIX$HWM$TPR$PWR$CRS
$590M
131 positions
#12Yorktown Management & Research Co IncPassive
Some overlap · 6 shared positions
$FIX$FTAI$GH$ANET$WWD$AXON
$163M
249 positions
#13DEEPWATER ASSET MANAGEMENT, LLCPassive
Some overlap · 4 shared positions
$AXON$SNOW$VRT$NET
$220M
35 positions
#14ITHAKA GROUP LLCActive
Some overlap · 5 shared positions
$HWM$AXON$VRT$NOW$ANET
$551M
40 positions
#15KANE INVESTMENT MANAGEMENT, INC.Active
Some overlap · 5 shared positions
$FIX$HWM$TPR$PWR$VRT
$235M
100 positions
#16Granahan Investment Management, LLCPassive
Some overlap · 4 shared positions
$FTAI$AXON$LTH$CRS
$2.8B
150 positions
#17KR Capital LPActive
Some overlap · 6 shared positions
$SNOW$AXON$MKSI$LTH$LPLA$AS
$1.0B
79 positions
#18Sycale Advisors (NY) LLCActive
Some overlap · 4 shared positions
$AXON$SNOW$APG$NOW
$326M
24 positions
#19Hel Ved Capital Management LtdActive
Some overlap · 4 shared positions
$FIX$SNOW$MKSI$HWM
$1.4B
72 positions
#20PREVAIL INNOVATIVE WEALTH ADVISORS, LLCPassive
Some overlap · 6 shared positions
$MKSI$FTAI$VRT$PWR$ANET$CRS
$671M
197 positions
#21Capital Investment Services of America, Inc.Active
Some overlap · 6 shared positions
$SNOW$AXON$APG$PWR$NOW$IOT
$1.0B
83 positions
#22Williamson Legacy Group, LLCPassive
Some overlap · 5 shared positions
$HWM$MKSI$VRT$TPR$GH
$201M
75 positions
#23O'Neil Global Advisors, Inc.Active
Some overlap · 5 shared positions
$FTAI$SNOW$FIX$MS$MKSI
$447M
62 positions
#24Themes Management Co LLCPassive
Some overlap · 5 shared positions
$HWM$AXON$SNOW$FTAI$RKLB
$151M
120 positions
#25Retireful, LLCPassive
Some overlap · 4 shared positions
$FIX$MKSI$VRT$ANET
$107M
81 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.