Fibrogen Inc (FGEN)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	5,876,976	$3,114,797	0%
2.	Primecap Management Co	4,616,130	$2,444,242	0%
3.	Blackrock, Inc.	2,377,036	$1,258,639	0%
4.	Geode Capital Management, Llc	1,058,348	$560,549	0%
5.	Two Sigma Investments, Lp	604,421	$320,041	0%