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$37.55MInsider
Joseph Edelman78.98%3,114,805$20.40MInsider
Rtw Investments LP67.67%2,668,913$17.48MInsider
Perceptive Advisors LLC13.70%540,296$3.54MInstitution
Bml Capital Management LLC8.19%323,066$2.12MInstitution
Glenna Mileson4.06%159,930$1.05MInsider
John M. Fluke Jr.3.94%155,346$1.02MInsider
Vanguard Group Inc3.90%153,789$1.01MInstitution
Propel Bio Management LLC3.79%149,279$977.78kInstitution
Simplify Asset Management Inc3.79%149,279$977.78kInstitution

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LONA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
LONA12.29%87.71%Net BuyingNet Buying
SER1.15%98.85%Net BuyingNet Buying
INTS4.93%3.52%Net BuyingNet Buying
NRSN1.13%0.00%
HYPD3.61%96.39%Net BuyingNet Buying

Leonabio Stock Ownership FAQ

Who owns Leonabio?

Leonabio (NASDAQ: LONA) is owned by 43.52% 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 $37.49M.

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