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 Officer2025-09-113,246$3.13
$10.16kSell
Benjamin JacksonGeneral Counsel2025-09-11934$3.13
$2.92kSell
Paul KearneyChief Data Officer2025-09-111,271$3.13
$3.98kSell
John J. BonifaceChief Scientific Officer2025-09-111,395$3.13
$4.37kSell
Robert Gardner HarrisonChief Information Officer2025-09-11645$3.13
$2.02kSell
Austin AertsChief Financial Officer2025-09-11915$3.13
$2.86kSell
Sandra Aj LawrenceDirector2025-09-093,899$3.05
$11.89kSell
Robert Gardner HarrisonChief Information Officer2025-09-092,000$3.05
$6.10kSell
Zhenya LindgardtChief Executive Officer2025-09-0921,158$3.15
$66.65kSell
Sandra Aj LawrenceDirector2025-09-091,560$3.05
$4.76kSell

1 of 10

SERA insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when SERA insiders and whales buy or sell their stock.

SERA Shareholders

What type of owners hold Sera Prognostics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Baker Bros Advisors LP14.45%5,498,170$16.93MInstitution
Baker Bros Advisors LP13.31%5,065,736$15.60MInsider
Whetstone Capital Advisors LLC9.54%3,632,371$11.19MInstitution
Aberdeen Group PLC5.85%2,227,367$6.86MInstitution
Vivo Capital LLC4.34%1,650,440$5.08MInstitution
Gregory C. Critchfield3.82%1,453,698$4.48MInsider
Vanguard Group Inc3.06%1,163,182$3.58MInstitution
Zhenya Lindgardt2.12%807,890$2.49MInsider
Awm Investment Company Inc1.79%680,931$2.10MInstitution
Citadel Advisors LLC1.65%629,007$1.94MInstitution

1 of 3

SERA vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SERA48.89%25.58%Net SellingNet Selling
PRE8.71%0.00%
FONR44.38%3.58%
IMDX15.71%84.29%Net Buying
BNR1.34%0.00%

Sera Prognostics Stock Ownership FAQ

Who owns Sera Prognostics?

Sera Prognostics (NASDAQ: SERA) is owned by 48.89% institutional shareholders, 25.58% Sera Prognostics insiders, and 25.53% retail investors. Baker Bros Advisors LP is the largest individual Sera Prognostics shareholder, owning 5.07M shares representing 13.31% of the company. Baker Bros Advisors LP's Sera Prognostics shares are currently valued at $16.26M.

If you're new to stock investing, here's how to buy Sera Prognostics stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.