Hedge Funds Similar to O'Brien Greene

13F Portfolio OverlapQ2 2026O'Brien Greene portfolio →
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Most similar hedge funds by 13F overlap

O'Brien Greene & Co. Inc is an institutional investor managing $362M across 141 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 O'Brien Greene are HFR Wealth, St. James Investment Company, Phraction, with shared positions in $AMGN, $UNP, $NEE, $DHR, $VLTO, $ADP. The full ranking of 25 similar funds is below.

Notable overlap · 7 shared positions
$410M
53 positions
Notable overlap · 6 shared positions
$630M
24 positions
Notable overlap · 6 shared positions
$596M
66 positions
Notable overlap · 6 shared positions
$529M
75 positions
Notable overlap · 7 shared positions
$1.3B
54 positions
Notable overlap · 4 shared positions
$385M
51 positions
Notable overlap · 7 shared positions
$108M
52 positions
Notable overlap · 3 shared positions
$763M
51 positions
Notable overlap · 9 shared positions
$239M
126 positions
Notable overlap · 3 shared positions
$71M
21 positions
Notable overlap · 5 shared positions
$1.5B
118 positions
Notable overlap · 3 shared positions
$236M
52 positions
Notable overlap · 4 shared positions
$305M
103 positions
Notable overlap · 3 shared positions
$2.9B
703 positions
Notable overlap · 5 shared positions
$2.1B
131 positions
Notable overlap · 3 shared positions
$130M
21 positions
Notable overlap · 4 shared positions
$1.1B
57 positions
Notable overlap · 3 shared positions
$181M
90 positions
Notable overlap · 5 shared positions
$679M
104 positions
#20Paradiem, LLCPassive
Notable overlap · 4 shared positions
$464M
68 positions
Notable overlap · 5 shared positions
$166M
71 positions
#22Mirova US LLCActive
Notable overlap · 6 shared positions
$9.3B
45 positions
#23CROBANPassive
Notable overlap · 3 shared positions
$227M
81 positions
Notable overlap · 4 shared positions
$814M
61 positions
Some overlap · 5 shared positions
$215M
55 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.