Historical shareholding details of Citadel Investment Advisory, Inc. holdings in Idexx Laboratories, Inc. (IDXX)

Monthly changes of Citadel Investment Advisory, Inc. shareholding in Idexx Laboratories, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Citadel Investment Advisory, Inc.	3,635	0.00%

Dec 31, 2024	Citadel Advisors Llc	78,054	0.10%
Dec 31, 2024	Citadel Investment Advisory, Inc.	3,660	0.00%

Sep 30, 2024	Citadel Advisors Llc	23,100	0.03%
Sep 30, 2024	Citadel Investment Advisory, Inc.	3,685	0.00%

Jun 30, 2024	Citadel Advisors Llc	77,372	0.09%
Jun 30, 2024	Citadel Investment Advisory, Inc.	3,695	0.00%

Mar 31, 2024	Citadel Investment Advisory, Inc.	3,695	0.00%

Dec 31, 2023	Citadel Investment Advisory, Inc.	3,705	0.00%

Sep 30, 2023	Citadel Advisors Llc	45,267	0.05%
Sep 30, 2023	Citadel Investment Advisory, Inc.	3,705	0.00%

Jun 30, 2023	Citadel Advisors Llc	102,934	0.12%
Jun 30, 2023	Citadel Investment Advisory, Inc.	3,705	0.00%

Mar 31, 2023	Citadel Advisors Llc	711,899	0.86%
Mar 31, 2023	Citadel Investment Advisory, Inc.	3,705	0.00%

Dec 31, 2022	Citadel Investment Advisory, Inc.	3,815	0.00%