Sera Prognostics, Inc.

Historical 13F Holders

Symbol
SERA
CUSIP
81749D107
All holders as of
Q2 2026
Type
Equity
Class
CLASS A COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 81749D107 since 12/18/2024, largest first.

Filer % of Class Filed
Baker Bros. Advisors LP 13D
16.1% 2/14/2025
Event 2/12/2025
Whetstone Capital Advisors, LLC 13G/A
8.6% 5/1/2026
Event 3/31/2026
Chione Ltd 13D/A
7.6% 2/14/2025
Event 2/11/2025
Aberdeen Group plc 13G/A
7.2% 7/15/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
Vivo Capital IX, LLC 13G/A 4.5% 5/15/2025
Event 3/31/2025
RA Capital Management, L.P. 13G/A
0% 8/14/2025
Event 6/30/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 1 255 $533.00
2026 Q2 47 17.1 M $31.0 M
2026 Q1 57 19.9 M $40.5 M
2025 Q4 58 17.7 M $52.4 M
2025 Q3 63 18.2 M $55.6 M
2025 Q2 63 18.6 M $51.5 M
2025 Q1 74 20.2 M $74.4 M
2024 Q4 78 18.1 M $147 M
2024 Q3 64 18.9 M $147 M
2024 Q2 70 16.8 M $99.7 M
2024 Q1 56 14.8 M $134 M
2023 Q4 50 11.1 M $67.3 M
2023 Q3 29 8.86 M $16.5 M
2023 Q2 34 9.52 M $31.4 M
2023 Q1 36 9.53 M $36.5 M
2022 Q4 30 7.04 M $8.86 M
2022 Q3 36 8.70 M $13.9 M
2022 Q2 31 8.66 M $14.2 M
2022 Q1 46 9.66 M $36.6 M
2021 Q4 38 9.28 M $63.8 M
2021 Q3 37 8.65 M $96.1 M