Hedge Funds Similar to O'Brien Greene &

13F Portfolio OverlapQ1 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 $353M across 133 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 O'Brien Greene & are HFR Wealth ,, Forest Hill ,, CapWealth Advisors,, with shared positions in $AMGN, $UNP, $NEE, $DHR, $VLTO, $ADP. The full ranking of 25 similar funds is below.

Notable overlap · 7 shared positions
$407M
49 positions
Notable overlap · 3 shared positions
$152M
19 positions
Notable overlap · 6 shared positions
$1.3B
118 positions
Notable overlap · 8 shared positions
$215M
125 positions
Notable overlap · 3 shared positions
$155M
72 positions
Notable overlap · 7 shared positions
$1.4B
52 positions
Notable overlap · 3 shared positions
$76M
21 positions
Notable overlap · 3 shared positions
$261M
30 positions
Notable overlap · 7 shared positions
$2.1B
1,278 positions
#10Mirova US LLCActive
Notable overlap · 5 shared positions
$8.8B
42 positions
Notable overlap · 4 shared positions
$189M
58 positions
Notable overlap · 3 shared positions
$863M
54 positions
Notable overlap · 3 shared positions
$2.6B
692 positions
Notable overlap · 4 shared positions
$638M
22 positions
Notable overlap · 4 shared positions
$578M
108 positions
Notable overlap · 5 shared positions
$231M
63 positions
Some overlap · 4 shared positions
$506M
75 positions
Some overlap · 3 shared positions
$333M
77 positions
Some overlap · 5 shared positions
$2.1B
122 positions
Some overlap · 7 shared positions
$157M
80 positions
Some overlap · 6 shared positions
$55M
36 positions
Some overlap · 4 shared positions
$483M
65 positions
Some overlap · 4 shared positions
$501M
138 positions
Some overlap · 5 shared positions
$5.0B
201 positions
Some overlap · 7 shared positions
$219M
168 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.