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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
Paul KearneyChief Data Officer2026-03-111,396$2.04
$2.85kSell
Zhenya LindgardtChief Executive Officer2026-03-112,973$2.04
$6.06kSell
Austin AertsChief Financial Officer2026-03-111,019$2.04
$2.08kSell
Benjamin JacksonGeneral Counsel2026-03-111,027$2.04
$2.10kSell
John J. BonifaceChief Scientific Officer2026-03-111,517$2.04
$3.09kSell
Austin AertsChief Financial Officer2026-03-106,069$1.90
$11.53kSell
Zhenya LindgardtChief Executive Officer2026-03-1022,639$1.90
$43.01kSell
Benjamin JacksonGeneral Counsel2026-03-093,119$1.96
$6.11kSell
Robert Gardner HarrisonChief Information Officer2026-03-093,360$1.96
$6.59kSell

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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 LP14.04%5,498,170$9.57MInstitution
Baker Bros Advisors LP12.94%5,065,736$8.81MInsider
Whetstone Capital Advisors LLC8.44%3,306,889$5.75MInstitution
Aberdeen Group PLC6.51%2,550,775$4.44MInstitution
Psp Research LLC6.12%2,396,685$4.17MInstitution
Vivo Capital LLC4.21%1,650,440$2.87MInstitution
Gregory C. Critchfield3.71%1,453,698$2.53MInsider
Vanguard Capital Management LLC3.07%1,204,115$2.10MInstitution
Zhenya Lindgardt2.28%892,754$1.55MInsider
Joshua Phillips1.57%614,021$1.07MInsider

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SERA vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SERA51.19%25.37%Net SellingNet Selling
DRIO5.71%94.29%Net Buying
STIM54.69%45.31%Net SellingNet Buying
QUCY2.06%12.45%Net Buying
XGN40.04%46.87%Net SellingNet Buying
View Top Diagnostic & Research Stocks

Sera Prognostics Stock Ownership FAQ

Who owns Sera Prognostics?

Sera Prognostics (NASDAQ: SERA) is owned by 51.19% institutional shareholders, 25.37% Sera Prognostics insiders, and 23.44% 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 $8.92M.

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