NASDAQ: SERA
Sera Prognostics Inc Stock Ownership - Who owns Sera Prognostics?

Insider buying vs selling

Have Sera Prognostics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Zhenya LindgardtChief Executive Officer2025-12-104,155$3.31
$13.75kSell
John J. BonifaceChief Scientific Officer2025-12-101,332$3.31
$4.41kSell
Benjamin JacksonGeneral Counsel2025-12-10892$3.31
$2.95kSell
Paul KearneyChief Data Officer2025-12-101,213$3.31
$4.02kSell
Robert Gardner HarrisonChief Information Officer2025-12-10616$3.31
$2.04kSell
Austin AertsChief Financial Officer2025-12-10873$3.31
$2.89kSell
Austin AertsChief Financial Officer2025-12-095,232$3.04
$15.91kSell
Zhenya LindgardtChief Executive Officer2025-12-0928,215$3.04
$85.77kSell
Sandra Aj LawrenceDirector2025-12-081,560$3.05
$4.76kSell
Mansoor Raza MirzaDirector2025-12-05292$3.05
$890.60Sell

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Net Insider Buy/Sell (L12M) Ownership

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SERA Shareholders

What type of owners hold Sera Prognostics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Baker Bros Advisors LP14.25%5,498,170$19.52MInstitution
Baker Bros Advisors LP13.13%5,065,736$17.98MInsider
Whetstone Capital Advisors LLC9.41%3,632,371$12.89MInstitution
Aberdeen Group PLC5.91%2,279,699$8.09MInstitution
Vivo Capital LLC4.28%1,650,440$5.86MInstitution
Gregory C. Critchfield3.77%1,453,698$5.16MInsider
Vanguard Group Inc3.15%1,217,190$4.32MInstitution
Zhenya Lindgardt1.98%763,926$2.71MInsider
Citadel Advisors LLC1.69%653,746$2.32MInstitution
Joshua Phillips1.59%614,021$2.18MInsider

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SERA vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SERA47.04%25.17%Net SellingNet Selling
XGN39.94%49.06%Net SellingNet Selling
IMDX16.58%83.42%Net BuyingNet Selling
FONR44.16%3.58%
STIM30.87%31.60%Net Selling

Sera Prognostics Stock Ownership FAQ

Who owns Sera Prognostics?

Sera Prognostics (NASDAQ: SERA) is owned by 47.04% institutional shareholders, 25.17% Sera Prognostics insiders, and 27.79% retail investors. Baker Bros Advisors LP is the largest individual Sera Prognostics shareholder, owning 5.07M shares representing 13.13% of the company. Baker Bros Advisors LP's Sera Prognostics shares are currently valued at $17.98M.

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