SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (SERA)

Historical Holders from Q3 2021 to Q3 2025

Symbol
SERA on Nasdaq
CUSIP
81749D107
Type / Class
Equity / Class A Common Stock, par value $0.0001 per share
Shares outstanding
36.7M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
18.2M
Holdings value
$55.6M
% of all portfolios
0%
Grand Portfolio weight change
0%
Number of holders
61
Number of buys
27
Number of sells
-19
Average Value change %
0%
Average buys %
+0%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (SERA)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BAKER BROS. ADVISORS LP 16.1% $17.9M 5.5M Baker Bros. Advisors LP Feb 12, 2025
Whetstone Capital Advisors, LLC 9.9% $9.44M 3.63M Whetstone Capital Advisors, LLC Jun 30, 2025
Chione Ltd 7.6% $8.47M 2.61M Chione Ltd. Feb 11, 2025
Aberdeen Group plc 6.07% $4.94M 2.23M Aberdeen Group plc Jun 30, 2025
Vivo Capital IX, LLC 4.5% $5.36M 1.65M Vivo Capital IX, LLC Mar 31, 2025

Institutional Holders of SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (SERA)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 18.2M $55.6M -$1.35M $3.06 61
2025 Q2 18.6M $51.5M -$7.5M $2.77 57
2025 Q1 20.2M $74.4M +$7.36M $3.68 70
2024 Q4 18.1M $147M +$674K $8.14 71
2024 Q3 18M $140M +$11.1M $7.80 59
2024 Q2 16.6M $98.2M +$11.5M $5.92 65
2024 Q1 14.4M $131M +$32M $9.10 51
2023 Q4 10.9M $65.3M +$31.8M $5.98 45
2023 Q3 8.86M $16.5M -$2.04M $1.86 27
2023 Q2 9.52M $31.4M -$107K $3.30 32
2023 Q1 9.53M $36.5M +$11M $3.83 35
2022 Q4 7.04M $8.86M -$2.4M $1.26 29
2022 Q3 8.7M $13.9M +$64K $1.60 31
2022 Q2 8.65M $14.2M -$4.56M $1.64 26
2022 Q1 9.63M $36.5M +$1.33M $3.79 38
2021 Q4 9.27M $63.8M -$395K $6.87 35
2021 Q3 8.65M $96.1M +$96.1M $11.11 35