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NASDAQ: LONA
Leonabio Inc Stock Ownership - Who owns Leonabio?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Leonabio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Martin Javier SanCHIEF MEDICAL OFFICER2026-03-041,720$5.37
$9.24kSell
Robert RenningerCHIEF FINANCIAL OFFICER2026-03-04906$5.37
$4.87kSell
Kevin ChurchCHIEF SCIENTIFIC OFFICER2026-03-041,359$5.37
$7.30kSell
Mark WorthingtonGENERAL COUNSEL and CCO2026-03-041,328$5.37
$7.13kSell
Mark James LittonPRESIDENT and CEO2026-03-045,156$5.37
$27.69kSell
Mark WorthingtonGeneral Counsel and CCO2026-01-02876$6.88
$6.03kSell
Mark James LittonPresident and CEO2026-01-022,586$6.88
$17.79kSell
Kevin ChurchCHIEF SCIENTIFIC OFFICER2026-01-02876$6.88
$6.03kSell
Robert RenningerChief Financial Officer2026-01-02297$6.88
$2.04kSell
Martin Javier SanCHIEF MEDICAL OFFICER2026-01-021,644$6.88
$11.31kSell

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Net Insider Buy/Sell (L12M) Ownership

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LONA Shareholders

What type of owners hold Leonabio Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Perceptive Advisors LLC60.85%5,732,720$35.34MInsider
Joseph Edelman33.06%3,114,805$19.20MInsider
Rtw Investments LP28.33%2,668,913$16.45MInsider
Glenna Mileson1.70%159,930$985.97kInsider
John M. Fluke Jr.1.65%155,346$957.71kInsider
Andrew Gengos1.04%97,532$601.28kInsider
Hans Moebius0.97%91,482$563.99kInsider
Kelly A. Romano0.86%80,715$497.61kInsider
Mark James Litton0.64%59,894$369.25kInsider
Grant Pickering0.27%25,783$158.95kInsider

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LONA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
LONA0.06%99.94%Net Buying
XLO0.01%99.99%Net Selling
PLRX0.08%42.31%Net Selling
TENX0.08%39.07%Net BuyingNet Buying
VRCA0.02%99.98%Net BuyingNet Buying
View Top Biotech Stocks

Leonabio Stock Ownership FAQ

Who owns Leonabio?

Leonabio (NASDAQ: LONA) is owned by 0.08% institutional shareholders, 130.43% Leonabio insiders, and 0.00% retail investors. Perceptive Advisors LLC is the largest individual Leonabio shareholder, owning 5.73M shares representing 60.85% of the company. Perceptive Advisors LLC's Leonabio shares are currently valued at $36.86M.

If you're new to stock investing, here's how to buy Leonabio stock.
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