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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Sera Prognostics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert Gardner HarrisonChief Information Officer2026-03-11716$2.04
$1.46kSell
Zhenya LindgardtChief Executive Officer2026-03-112,973$2.04
$6.06kSell
Paul KearneyChief Data Officer2026-03-111,396$2.04
$2.85kSell
John J. BonifaceChief Scientific Officer2026-03-111,517$2.04
$3.09kSell
Austin AertsChief Financial Officer2026-03-111,019$2.04
$2.08kSell
Benjamin JacksonGeneral Counsel2026-03-111,027$2.04
$2.10kSell
Austin AertsChief Financial Officer2026-03-106,069$1.90
$11.53kSell
Zhenya LindgardtChief Executive Officer2026-03-1022,639$1.90
$43.01kSell
John J. BonifaceChief Scientific Officer2026-03-093,038$1.96
$5.95kSell
Austin AertsChief Financial Officer2026-03-09674$1.96
$1.32kSell

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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 LP14.05%5,498,170$11.05MInstitution
Baker Bros Advisors LP12.94%5,065,736$10.18MInsider
Whetstone Capital Advisors LLC8.84%3,459,713$6.95MInstitution
Aberdeen Group PLC5.82%2,279,699$4.58MInstitution
Vivo Capital LLC4.22%1,650,440$3.32MInstitution
Gregory C. Critchfield3.71%1,453,698$2.92MInsider
Vanguard Group Inc3.17%1,239,449$2.49MInstitution
Zhenya Lindgardt2.28%892,754$1.79MInsider
Citadel Advisors LLC1.81%707,614$1.42MInstitution
Joshua Phillips1.57%614,021$1.23MInsider

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SERA vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SERA45.32%25.38%Net SellingNet Selling
XGN44.97%47.08%Net SellingNet Buying
DRIO5.02%94.98%Net Buying
STIM55.62%44.38%Net SellingNet Buying
PRPO0.59%99.41%Net BuyingNet Buying
View Top Diagnostic & Research Stocks

Sera Prognostics Stock Ownership FAQ

Who owns Sera Prognostics?

Sera Prognostics (NASDAQ: SERA) is owned by 45.32% institutional shareholders, 25.38% Sera Prognostics insiders, and 29.30% retail investors. Baker Bros Advisors LP is the largest individual Sera Prognostics shareholder, owning 5.07M shares representing 12.94% of the company. Baker Bros Advisors LP's Sera Prognostics shares are currently valued at $10.18M.

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