Historical shareholding details of Wellington Global Health Care Equity holdings in Upstream Bio Inc. (UPB)

Monthly changes of Wellington Global Health Care Equity 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	Wellington Global Health Care Equity	302,700	0.56%

Jun 30, 2025	Wellington Global Health Care Equity	302,700	0.56%

May 31, 2025	Wellington Global Health Care Equity	302,700	0.56%

Apr 30, 2025	Wellington Global Health Care Equity	302,700	0.56%

Mar 31, 2025	Wellington Global Health Care Equity	302,700	0.56%

Feb 28, 2025	Wellington Global Health Care Equity	302,700	0.56%

Jan 31, 2025	Wellington Global Health Care Equity	302,700	0.56%

Dec 31, 2024	Wellington Global Health Care Equity	302,700	0.56%

Nov 30, 2024	Wellington Global Health Care Equity	302,700	0.56%

Oct 31, 2024	Wellington Global Health Care Equity	302,700	0.56%