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 Q2 2025?

57 institutional investors reported SERA - SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share for Q2 2025. Use the holders table for investor-level position and value details.

CUSIP: 81749D107

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class: Equity / Class A Common Stock, par value $0.0001 per share
Shares outstanding: 38,452,198
Total 13F shares: 18,609,445
Share change: -1,587,341
Total reported value: $51,523,609
Put/Call ratio: 0%
Price per share: $2.77
Number of holders: 57
Value change: -$7,499,389
Number of buys: 27
Number of sells: 48

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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Newer quarter: Q3 2025
Previous quarter: Q1 2025

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
BAKER BROS. ADVISORS LP	13F 13D/G 3/4/5	Company · 10%+ Owner	16% from 13D/G	5,498,170	$20,233,266	—	31 Mar 2025	13F 13D/G 3/4/5
RA CAPITAL MANAGEMENT, L.P.	13F	Company	7.9%	3,032,808	$11,160,733	—	31 Mar 2025	13F
Chione Ltd	13D/G	—	7.6%	2,605,351	$8,727,926	$0	11 Feb 2025	13D/G
Aberdeen Group plc	13D/G 13F	Company	6.1%	2,227,367	$6,325,722	$0	30 Jun 2025	13D/G 13F
Vivo Capital, LLC	13F	Company	4.3%	1,650,440	$6,073,619	—	31 Mar 2025	13F
BlackRock, Inc.	13F	Company	4%	1,538,059	$5,660,058	—	31 Mar 2025	13F
Vivo Capital IX, LLC	13D/G	—	4.5%	1,650,440	$5,528,974	$0	31 Mar 2025	13D/G
VANGUARD GROUP INC	13F	Company	3.3%	1,275,362	$4,693,332	—	31 Mar 2025	13F
AWM Investment Company, Inc.	13F	Company	2.3%	866,837	$3,189,960	—	31 Mar 2025	13F
JPMORGAN CHASE & CO	13F	Company	1.9%	719,224	$2,646,744	—	31 Mar 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.6%	634,252	$2,334,473	—	31 Mar 2025	13F
CITADEL ADVISORS LLC	13F	Company	1.6%	627,407	$2,308,858	—	31 Mar 2025	13F
CAPTRUST FINANCIAL ADVISORS	13F	Company	1.3%	501,911	$1,847,032	—	31 Mar 2025	13F
Gregory C. Critchfield	3/4/5	Director	— mixed-class rows	847,866 mixed-class rows	$1,826,762	—	05 Jun 2025	3/4/5
STATE STREET CORP	13F	Company	1.2%	472,293	$1,738,038	—	31 Mar 2025	13F
Blue Ox Healthcare Partners, LLC	3/4/5	10%+ Owner	— class O/S missing	256,665	$1,339,791	—	18 Jul 2022	3/4/5
Douglas Carl Fisher	3/4/5	Chief Business Officer	— class O/S missing	220,562	$1,151,334	—	10 Jan 2022	3/4/5
NORTHERN TRUST CORP	13F	Company	0.69%	264,942	$974,987	—	31 Mar 2025	13F
PERKINS CAPITAL MANAGEMENT INC	13F	Company	0.39%	150,000	$522,000	—	31 Mar 2025	13F
Bank of New York Mellon Corp	13F	Company	0.35%	135,582	$498,941	—	31 Mar 2025	13F
Ghisallo Capital Management LLC	13F	Company	0.26%	100,000	$368,000	—	31 Mar 2025	13F
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	13F	Company	0.26%	98,764	$363,451	—	31 Mar 2025	13F
SANDERS MORRIS HARRIS LLC	13F	Company	0.24%	94,200	$346,656	—	31 Mar 2025	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.24%	90,705	$333,794	—	31 Mar 2025	13F
UBS Group AG	13F	Company	0.23%	86,784	$319,365	—	31 Mar 2025	13F
MORGAN STANLEY	13F	Company	0.21%	82,327	$302,964	—	31 Mar 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.21%	81,230	$298,926	—	31 Mar 2025	13F
Perigon Wealth Management, LLC	13F	Company	0.19%	72,685	$267,481	—	31 Mar 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.16%	63,027	$231,939	—	31 Mar 2025	13F
Corient Private Wealth LLC	13F	Company	0.15%	57,500	$211,600	—	31 Mar 2025	13F
Requisite Capital Management, LLC	13F	Company	0.14%	55,648	$204,785	—	31 Mar 2025	13F
Jay M. Moyes	3/4/5	Chief Financial Officer	— mixed-class rows	87,430 mixed-class rows	$185,989	—	07 Jun 2023	3/4/5
Ballentine Partners, LLC	13F	Company	0.13%	49,664	$182,764	—	31 Mar 2025	13F
Twelve Points Wealth Management LLC	13F	Company	0.11%	43,388	$159,668	—	31 Mar 2025	13F
HighTower Advisors, LLC	13F	Company	0.11%	43,070	$158,498	—	31 Mar 2025	13F
RHUMBLINE ADVISERS	13F	Company	0.1%	39,970	$147,080	—	31 Mar 2025	13F
Michael R. Foley	3/4/5	Chief Medical Officer	— mixed-class rows	69,700 mixed-class rows	$140,940	—	12 Jul 2023	3/4/5
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.1%	37,699	$138,732	—	31 Mar 2025	13F
Nuveen, LLC	13F	Company	0.1%	37,417	$137,695	—	31 Mar 2025	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.09%	36,429	$133,550	—	31 Mar 2025	13F
Jeffrey Thomas Elliott	3/4/5	Director	— mixed-class rows	77,897 mixed-class rows	$127,021	—	20 Mar 2025	3/4/5
Joshua Phillips	3/4/5	Director	— mixed-class rows	82,005 mixed-class rows	$126,551	—	05 Jun 2025	3/4/5
DEUTSCHE BANK AG\	13F	Company	0.09%	34,027	$125,219	—	31 Mar 2025	13F
Caprock Group, LLC	13F	Company	0.09%	33,523	$123,365	—	31 Mar 2025	13F
Squarepoint Ops LLC	13F	Company	0.09%	32,719	$120,406	—	31 Mar 2025	13F
Equitable Holdings, Inc.	13F	Company	0.08%	32,293	$118,838	—	31 Mar 2025	13F
BARCLAYS PLC	13F	Company	0.08%	31,080	$114,374	—	31 Mar 2025	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.07%	27,455	$101,000	—	31 Mar 2025	13F
Nadia Altomare	3/4/5	Chief Commercial Officer	— mixed-class rows	47,200 mixed-class rows	$95,526	—	09 Jun 2023	3/4/5
MILLENNIUM MANAGEMENT LLC	13F	Company	0.06%	21,550	$79,304	—	31 Mar 2025	13F

Institutional Holders of SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (SERA) as of Q2 2025

As of 30 Jun 2025, SERA PROGNOSTICS, INC. - Class A Common Stock, par value $0.0001 per share (SERA) was held by 57 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 18,609,445 shares. The largest 10 holders included BAKER BROS. ADVISORS LP, Whetstone Capital Advisors, LLC, Aberdeen Group plc, Vivo Capital, LLC, VANGUARD GROUP INC, AWM Investment Company, Inc., CITADEL ADVISORS LLC, CAPTRUST FINANCIAL ADVISORS, GEODE CAPITAL MANAGEMENT, LLC, and SANDERS MORRIS HARRIS LLC. This page lists 58 institutional shareholders reporting positions in this security for the Q2 2025 filing period.

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

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders

Q2 2025 holders

Holder diff

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Investor	Q1 2025 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q1 2025 Value $	Q2 2025 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.