Regeneron Pharmaceuticals, Inc.

BLAIR WILLIAM & CO/IL REGN

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

1,298

Value ($000)

1,002

Weight

0.0%

2014 Q1 - 2025 Q4 (26 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/17/2026	1,002	0.0%	1,298	12/31/2025
2025 Q3	11/12/2025	714	0.0%	1,269	9/30/2025
2025 Q2	7/24/2025	660	0.0%	1,257	6/30/2025
2025 Q1	5/9/2025	813	0.0%	1,282	3/31/2025
2024 Q4	2/12/2025	894	0.0%	1,255	12/31/2024
2024 Q3	11/12/2024	2,148	0.0%	2,043	9/30/2024
2024 Q2	8/12/2024	2,086	0.0%	1,985	6/30/2024
2024 Q1	5/9/2024	1,948	0.0%	2,024	3/31/2024
2023 Q4	2/12/2024	1,771	0.0%	2,016	12/31/2023
2023 Q3	11/9/2023	1,284	0.0%	1,560	9/30/2023
2023 Q2	8/11/2023	1,283	0.0%	1,785	6/30/2023
2023 Q1	5/12/2023	1,617	0.0%	1,968	3/31/2023
2022 Q4	2/10/2023	1,718	0.0%	2,381	12/31/2022
2022 Q3	11/9/2022	860	0.0%	1,248	9/30/2022
2022 Q2	8/10/2022	666	0.0%	1,127	6/30/2022
2022 Q1	5/13/2022	999	0.0%	1,431	3/31/2022
2021 Q4	2/14/2022	764	0.0%	1,209	12/31/2021
2021 Q3	11/12/2021	1,037	0.0%	1,714	9/30/2021
2021 Q2	8/12/2021	1,029	0.0%	1,842	6/30/2021
2021 Q1	5/13/2021	844	0.0%	1,783	3/31/2021
2020 Q4	2/9/2021	604	0.0%	1,251	12/31/2020
2020 Q3	11/6/2020	851	0.0%	1,521	9/30/2020
2020 Q2	8/12/2020	841	0.0%	1,348	6/30/2020
2020 Q1	5/11/2020	591	0.0%	1,210	3/31/2020
2019 Q4	2/13/2020	415	0.0%	1,106	12/31/2019
2014 Q1	5/6/2014	373	0.0%	1,243	3/31/2014