Historical shareholding details of Vanguard Russell 2000 Index Fund holdings in Upstream Bio Inc. (UPB)

Monthly changes of Vanguard Russell 2000 Index Fund shareholding in Upstream Bio Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Jul 31, 2025	Vanguard Russell 2000 Index Fund	166,157	0.31%

Jun 30, 2025	Vanguard Russell 2000 Index Fund	177,438	0.33%

May 31, 2025	Vanguard Russell 2000 Index Fund	89,647	0.17%

Apr 30, 2025	Vanguard Russell 2000 Index Fund	85,533	0.16%

Mar 31, 2025	Vanguard Russell 2000 Index Fund	80,598	0.15%

Feb 28, 2025	Vanguard Russell 2000 Index Fund	78,723	0.15%

Jan 31, 2025	Vanguard Russell 2000 Index Fund	76,818	0.14%

Dec 31, 2024	Vanguard Russell 2000 Index Fund	82,098	0.15%

Nov 30, 2024	Vanguard Russell 2000 Index Fund	3,943	0.01%

Oct 31, 2024	Vanguard Russell 2000 Index Fund	3,943	0.01%