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

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

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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 LLC145.36%5,732,720$51.42MInsider
Joseph Edelman78.98%3,114,805$27.94MInsider
Rtw Investments LP67.67%2,668,913$23.94MInsider
Perceptive Advisors LLC47.14%1,859,322$16.68MInstitution
Acorn Capital Advisors LLC12.72%501,739$4.50MInstitution
Commodore Capital LP11.78%464,398$4.17MInstitution
Nea Management Company LLC11.78%464,398$4.17MInstitution
Tcg Crossover Management LLC11.78%464,398$4.17MInstitution
Spruce Street Capital LP9.98%393,701$3.53MInstitution
Kalehua Capital Management LLC9.98%393,701$3.53MInstitution

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LONA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
LONA33.55%66.45%Net BuyingNet Selling
PTN4.34%95.66%Net Buying
NXTC11.68%88.32%
RNTX22.93%77.07%Net Buying
SNSE0.43%99.57%Net Selling

Leonabio Stock Ownership FAQ

Who owns Leonabio?

Leonabio (NASDAQ: LONA) is owned by 157.34% institutional shareholders, 311.58% Leonabio insiders, and 0.00% retail investors. Perceptive Advisors LLC is the largest individual Leonabio shareholder, owning 5.73M shares representing 145.36% of the company. Perceptive Advisors LLC's Leonabio shares are currently valued at $51.42M.

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