Hedge Funds Similar to Rock Springs

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

Rock Springs Capital Management LP is an institutional investor managing $2.0B across 104 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 Rock Springs are First Turn, BAKER BROS. ADVISORS, Integral Health Asset, with shared positions in $RVMD, $MIRM, $XENE, $INSM, $RYTM, $SRRK. The full ranking of 25 similar funds is below.

Substantial overlap · 12 shared positions
$935M
31 positions
Substantial overlap · 9 shared positions
$20.0B
84 positions
Substantial overlap · 10 shared positions
$2.5B
92 positions
Substantial overlap · 8 shared positions
$646M
23 positions
Substantial overlap · 9 shared positions
$11.1B
26 positions
Notable overlap · 12 shared positions
$4.9B
117 positions
Notable overlap · 12 shared positions
$4.8B
148 positions
Notable overlap · 9 shared positions
$542M
48 positions
Notable overlap · 11 shared positions
$11.7B
84 positions
#10BVF INC/ILActive
Notable overlap · 4 shared positions
$3.9B
44 positions
Notable overlap · 4 shared positions
$390M
6 positions
Notable overlap · 8 shared positions
$524M
88 positions
Notable overlap · 12 shared positions
$606M
96 positions
Notable overlap · 8 shared positions
$813M
19 positions
Notable overlap · 6 shared positions
$5.3B
28 positions
Notable overlap · 9 shared positions
$372M
39 positions
Notable overlap · 8 shared positions
$603M
27 positions
Notable overlap · 11 shared positions
$724M
52 positions
Notable overlap · 12 shared positions
$188M
75 positions
#20Casdin Capital, LLCSmart money
Notable overlap · 4 shared positions
$2.0B
43 positions
Notable overlap · 9 shared positions
$2.3B
68 positions
$9.6B
82 positions
Notable overlap · 6 shared positions
$131M
25 positions
Notable overlap · 12 shared positions
$439M
147 positions
Notable overlap · 11 shared positions
$136M
41 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.