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

Insider buying vs selling

Have Leonabio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mark James LittonPresident and CEO2026-01-022,586$6.88
$17.79kSell
Mark WorthingtonGeneral Counsel and CCO2026-01-02876$6.88
$6.03kSell
Martin Javier SanCHIEF MEDICAL OFFICER2026-01-021,644$6.88
$11.31kSell
Kevin ChurchCHIEF SCIENTIFIC OFFICER2026-01-02876$6.88
$6.03kSell
Robert RenningerChief Financial Officer2026-01-02297$6.88
$2.04kSell
Perceptive Advisors LLCDirector2025-12-23329,756$6.35
$2.09MBuy
Perceptive Advisors LLCDirector2025-12-23989,270$6.35
$6.28MBuy
Robert RenningerChief Financial Officer2025-11-181,000$2.31
$2.31kBuy
Kevin ChurchCHIEF SCIENTIFIC OFFICER2025-11-181,000$2.31
$2.31kBuy
Robert RenningerSVP Finance and Accounting2025-07-012,897$0.29
$848.82Sell

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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$33.31MInsider
Joseph Edelman78.98%3,114,805$18.10MInsider
Rtw Investments LP67.67%2,668,913$15.51MInsider
Perceptive Advisors LLC47.14%1,859,322$10.80MInstitution
Acorn Capital Advisors LLC12.72%501,739$2.92MInstitution
Commodore Capital LP11.78%464,398$2.70MInstitution
Nea Management Company LLC11.78%464,398$2.70MInstitution
Tcg Crossover Management LLC11.78%464,398$2.70MInstitution
Adar1 Capital Management LLC9.98%393,701$2.29MInstitution
Spruce Street Capital LP9.98%393,701$2.29MInstitution

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LONA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
LONA33.15%66.85%Net BuyingNet Buying
NRSN1.41%0.00%
APLM0.40%0.00%
CUE27.67%7.60%Net BuyingNet Buying
NNVC5.60%94.40%

Leonabio Stock Ownership FAQ

Who owns Leonabio?

Leonabio (NASDAQ: LONA) is owned by 154.10% institutional shareholders, 310.70% 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 $32.22M.

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