Sera Prognostics Inc. (SERA)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	1,538,059	$5,660,058	0%
2.	Vanguard Group Inc	1,275,362	$4,693,332	0%
3.	Perkins Capital Management Inc	150,000	$522,000	0.55%
4.	Bank Of New York Mellon Corp	135,582	$498,941	0%
5.	Wealth Enhancement Advisory Services, Llc	98,764	$363,451	0%