Hedge Funds Similar to Avidity Partners

13F Portfolio OverlapQ2 2026Avidity Partners portfolio →
Institutional-grade research for retail investors

Most similar hedge funds by 13F overlap

Avidity Partners Management LP is an institutional investor managing $624M across 45 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 Avidity Partners are Fairmount Funds, ACORN ADVISORS, Seven Fleet, with shared positions in $DNTH, $ORKA, $JBIO, $ELVN, $CGON, $KPTI. The full ranking of 25 similar funds is below.

Substantial overlap · 4 shared positions
$1.5B
12 positions
Substantial overlap · 3 shared positions
$366M
20 positions
Substantial overlap · 3 shared positions
$606M
96 positions
Notable overlap · 4 shared positions
$643M
23 positions
Notable overlap · 3 shared positions
$1.1B
27 positions
#6VR Adviser, LLCSmart money
Notable overlap · 4 shared positions
$3.3B
33 positions
Notable overlap · 4 shared positions
$510M
30 positions
Notable overlap · 4 shared positions
$962M
73 positions
Notable overlap · 4 shared positions
$4.2B
54 positions
Notable overlap · 5 shared positions
$935M
31 positions
Notable overlap · 11 shared positions
$4.8B
148 positions
Notable overlap · 4 shared positions
$581M
84 positions
Notable overlap · 5 shared positions
$11.7B
84 positions
#14EcoR1 Capital, LLCSmart money
Notable overlap · 3 shared positions
$2.1B
33 positions
Notable overlap · 5 shared positions
$2.3B
68 positions
Notable overlap · 6 shared positions
$5.4B
129 positions
Notable overlap · 4 shared positions
$813M
19 positions
Some overlap · 6 shared positions
$2.0B
50 positions
Some overlap · 6 shared positions
$604M
59 positions
Some overlap · 4 shared positions
$1.6B
37 positions
Some overlap · 4 shared positions
$2.2B
113 positions
Some overlap · 4 shared positions
$4.3B
68 positions
Some overlap · 7 shared positions
$470M
29 positions
#24BRAIDWELL LPActive
Some overlap · 5 shared positions
$2.7B
86 positions
Some overlap · 3 shared positions
$5.3B
28 positions

Compare Avidity Partners’s portfolio side by side

See the exact shared positions, conviction overlap, sector alignment, and where these funds diverge — and run the same analysis on any of 8,700+ institutions.

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.