Historical shareholding details of Vanguard Health Care Index Fund holdings in Amphastar Pharmaceuticals Inc (AMPH)

Monthly changes of Vanguard Health Care Index Fund shareholding in Amphastar Pharmaceuticals Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Feb 28, 2025	Vanguard Health Care Index Fund	122,306	0.26%

Jan 31, 2025	Vanguard Health Care Index Fund	124,297	0.26%

Dec 31, 2024	Vanguard Health Care Index Fund	126,733	0.26%

Nov 30, 2024	Vanguard Health Care Index Fund	128,037	0.27%

Oct 31, 2024	Vanguard Health Care Index Fund	129,907	0.27%

Sep 30, 2024	Vanguard Health Care Index Fund	130,251	0.27%

Aug 31, 2024	Vanguard Health Care Index Fund	130,638	0.27%

Jul 31, 2024	Vanguard Health Care Index Fund	130,767	0.27%

Jun 30, 2024	Vanguard Health Care Index Fund	131,450	0.27%

May 31, 2024	Vanguard Health Care Index Fund	131,665	0.27%

Apr 30, 2024	Vanguard Health Care Index Fund	130,239	0.27%

Mar 31, 2024	Vanguard Health Care Index Fund	130,533	0.27%

Feb 29, 2024	Vanguard Health Care Index Fund	130,747	0.27%

Jan 31, 2024	Vanguard Health Care Index Fund	132,126	0.27%

Dec 31, 2023	Vanguard Health Care Index Fund	131,202	0.27%

Nov 30, 2023	Vanguard Health Care Index Fund	132,137	0.28%

Oct 31, 2023	Vanguard Health Care Index Fund	132,471	0.28%

Sep 30, 2023	Vanguard Health Care Index Fund	134,247	0.27%

Aug 31, 2023	Vanguard Health Care Index Fund	134,166	0.27%

Jul 31, 2023	Vanguard Health Care Index Fund	133,290	0.27%

Jun 30, 2023	Vanguard Health Care Index Fund	132,101	0.27%

May 31, 2023	Vanguard Health Care Index Fund	133,824	0.28%

Apr 30, 2023	Vanguard Health Care Index Fund	134,849	0.28%