Hedge Funds Similar to PSP Research

13F Portfolio OverlapQ2 2026PSP Research portfolio →
Institutional-grade research for retail investors

Most similar hedge funds by 13F overlap

PSP Research LLC is an institutional investor managing $188M across 75 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 PSP Research are RTW INVESTMENTS, Vestal Point, Rock Springs, with shared positions in $ARGX, $RARE, $PTCT, $NBIX, $TARS, $ACAD. The full ranking of 25 similar funds is below.

Notable overlap · 12 shared positions
$11.7B
84 positions
Notable overlap · 11 shared positions
$4.3B
68 positions
Notable overlap · 12 shared positions
$2.0B
104 positions
Notable overlap · 11 shared positions
$439M
147 positions
Notable overlap · 8 shared positions
$6.9B
67 positions
Notable overlap · 8 shared positions
$1.6B
37 positions
Notable overlap · 8 shared positions
$962M
73 positions
Notable overlap · 8 shared positions
$532M
39 positions
Notable overlap · 8 shared positions
$8.2B
333 positions
Notable overlap · 9 shared positions
$1.9B
57 positions
Notable overlap · 8 shared positions
$724M
52 positions
Notable overlap · 9 shared positions
$4.6B
41 positions
Notable overlap · 7 shared positions
$162M
52 positions
#14Siren, L.L.C.Active
Notable overlap · 9 shared positions
$4.9B
117 positions
Notable overlap · 8 shared positions
$4.8B
148 positions
Notable overlap · 7 shared positions
$4.2B
54 positions
Notable overlap · 10 shared positions
$635M
39 positions
Notable overlap · 8 shared positions
$2.3B
68 positions
Notable overlap · 7 shared positions
$1.7B
33 positions
Notable overlap · 8 shared positions
$542M
48 positions
Notable overlap · 7 shared positions
$398M
35 positions
Notable overlap · 8 shared positions
$214M
72 positions
Notable overlap · 8 shared positions
$1.1B
58 positions
Notable overlap · 12 shared positions
$20.0B
84 positions
Notable overlap · 7 shared positions
$767M
105 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.