LEONABIO INC
LONA·04746L203·US·Common Stock·Healthcare - Biotechnology-Activist
LONA (LEONABIO INC) is held by 25 institutional investors as of Q2 2026. Largest holders: Blackstone Inc. ($3M), ADAGE CAPITAL PARTNERS GP, L.L.C. ($2.8M), VANGUARD CAPITAL MANAGEMENT LLC ($2.5M). Net institutional sentiment: Mixed.
25
Holders
(1 Elite)
$12.3M
Total Value
62% (21)
Consensus
13 buying - 8 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Oct 13, 2026 · Insiders Mar 5, 2026 · Activists Aug 31, 2026 · Congress none
ActivistSPSermonix Pharmaceuticals, Inc.36.9%Aug 31, 2026
ActivistPAPerceptive Advisors LLC20.0%Aug 25, 2026
ActivistAHAnders Hove12.1%Aug 20, 2026
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Top Holders
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer