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Hedge Funds Similar to INVESTOR AB

13F Portfolio OverlapQ1 2026INVESTOR AB portfolio →
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Most similar hedge funds by 13F overlap

INVESTOR AB is an institutional investor managing $15.1B across 10 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 INVESTOR AB are SPHERA FUNDS LTD., with shared positions in $AZN, $CLBT, $BMRN. The full ranking of 1 similar funds is below.

#1SPHERA FUNDS MANAGEMENT LTD.Passive
Slight overlap · 3 shared positions
$AZN$CLBT$BMRN
$630M
96 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.