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

Q: What does CUSIP 81749D107 represent in this 13F holders report?

CUSIP 81749D107 is the security identifier for SERA - SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held SERA - SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share in Q1 2023?

35 institutional investors reported SERA - SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share for Q1 2023. Use the holders table for investor-level position and value details.

CUSIP: 81749D107

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Class A Common Stock, par value $0.0001 per share
Shares outstanding: 38,452,198
Total 13F shares: 9,529,218
Share change: +2,486,570
Total reported value: $36,496,581
Reported price per share: $3.83
Number of holders: 35
Value change: +$11,033,423
Number of buys: 24
Number of sells: 11

Security key

81749D107

Report period

Q1 2023

Institutions

Top holders

SERA full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2023 Previous quarter: Q4 2022 SERA PROGNOSTICS, INC. SEC filings SERA PROGNOSTICS, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 81749D107

Newer quarter: Q2 2023 Previous quarter: Q4 2022

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of SERA - SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

INTERWEST VENTURE MANAGEM...

13D/G signal

—

Evidence rows

Latest as of

31 Dec 2022

13F Lead comparable stake: 6.3% Showing 1-6 of 15 holder rows.

Rank 1 holder

INTERWEST VENTURE MANAGEMENT CO

13F

Ownership: 6.3%
Position: $3.04M

13F

Rank 2 holder

Vivo Capital, LLC

13F

Ownership: 4.8%
Position: $2.34M

13F

Rank 3 holder

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
INTERWEST VENTURE MANAGEMENT CO	13F Company 13F	6.3%	$3,044,464 2,416,241 shares	—	31 Dec 2022
Vivo Capital, LLC	13F Company 13F	4.8%	$2,339,000 1,856,011 shares	—	31 Dec 2022
Fosun International Ltd	13F Company 13F	1.4%	$698,226 554,148 shares	—	31 Dec 2022
CAPTRUST FINANCIAL ADVISORS	13F Company 13F	0.99%	$477,839 379,237 shares	—	31 Dec 2022
Skye Global Management LP	13F Company 13F	0.86%	$418,950 332,500 shares	—	31 Dec 2022
WELLS FARGO & COMPANY/MN	13F Company 13F	0.81%	$393,441 312,255 shares	—	31 Dec 2022

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

9,529,218

Rows available

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

^* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q1 2023 vs Q4 2022 Across Filers

Q4 2022 holders

Q1 2023 holders

Holder diff

Investor	Q4 2022 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q4 2022 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend