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 Q3 2021?

35 institutional investors reported SERA - SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share for Q3 2021. Use the holders table for investor-level position and value details.

CUSIP: 81749D107

Q3 2021 13F Holders as of 30 Sep 2021

Type / Class: Equity / Class A Common Stock, par value $0.0001 per share
Shares outstanding: 38,452,198
Total 13F shares: 8,651,053
Share change: +8,651,053
Total reported value: $96,148,000
Price per share: $11.11
Number of holders: 35
Value change: +$96,147,999
Number of buys: 35

Quarterly Holders Quick Answers

What is CUSIP 81749D107?
CUSIP 81749D107 identifies SERA - SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share in SEC institutional holdings data.

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Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2021

Recent filing periods for CUSIP 81749D107:

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

Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Thomas Garite	3/4/5	VP, Clinical Sciences	— class O/S missing	10,000	—	—	26 Aug 2021	3/4/5

Institutional Holders of SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (SERA) as of Q3 2021

As of 30 Sep 2021, SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (SERA) was held by 35 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 8,651,053 shares. The largest 10 holders included INTERWEST VENTURE MANAGEMENT CO, Vivo Capital, LLC, Parian Global Management LP, Bill & Melinda Gates Foundation, SANDERS MORRIS HARRIS LLC, Skye Global Management LP, AWM Investment Company, Inc., BAKER BROS. ADVISORS LP, Woodline Partners LP, and MILLENNIUM MANAGEMENT LLC. This page lists 35 institutional shareholders reporting positions in this security for the Q3 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q3 2021 vs Q4 2025 Across Filers

Q4 2025 holders

Q3 2021 holders

Holder diff

-21

Investor	Q4 2025 Shares	Q3 2021 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q3 2021 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.