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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 LLC61.03%5,732,720$54.58MInsider
Joseph Edelman33.16%3,114,805$29.65MInsider
Rtw Investments LP28.41%2,668,913$25.41MInsider
Perceptive Advisors LLC19.79%1,859,322$17.70MInstitution
Adar1 Capital Management LLC7.74%727,481$6.93MInstitution
Acorn Capital Advisors LLC6.76%634,539$6.04MInstitution
Commodore Capital LP4.94%464,398$4.42MInstitution
Tcg Crossover Management LLC4.94%464,398$4.42MInstitution
Nea Management Company LLC4.94%464,398$4.42MInstitution
Spruce Street Capital LP4.19%393,701$3.75MInstitution

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LONA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
LONA34.44%65.56%Net Buying
CYPH6.88%48.16%Net Selling
CSBR1.94%98.06%Net Buying
RNTX13.32%42.00%Net BuyingNet Buying
ACET28.27%71.73%Net Buying
View Top Biotech Stocks

Leonabio Stock Ownership FAQ

Who owns Leonabio?

Leonabio (NASDAQ: LONA) is owned by 68.71% institutional shareholders, 130.82% Leonabio insiders, and 0.00% retail investors. Perceptive Advisors LLC is the largest individual Leonabio shareholder, owning 5.73M shares representing 61.03% of the company. Perceptive Advisors LLC's Leonabio shares are currently valued at $48.90M.

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