Regeneron Pharmaceuticals, Inc.

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP REGN

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

194,695

Value ($000)

150,279

Weight

0.1%

2020 Q3 - 2025 Q4 (12 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	2/13/2026	150,279	0.1%	194,695	12/31/2025
2025 Q3	11/13/2025	108,284	0.1%	192,584	9/30/2025
2025 Q2	8/13/2025	3,183	0.0%	6,063	6/30/2025
2023 Q3	11/14/2023	1,862	0.0%	2,262	9/30/2023
2023 Q2	8/14/2023	1,625	0.0%	2,262	6/30/2023
2022 Q4	2/14/2023	1,198	0.0%	1,661	12/31/2022
2022 Q3	11/14/2022	692	0.0%	1,005	9/30/2022
2022 Q2	8/15/2022	105,542	0.1%	178,542	6/30/2022
2022 Q1	5/13/2022	25,299	0.0%	36,223	3/31/2022
2021 Q4	2/14/2022	2,914	0.0%	4,614	12/31/2021
2020 Q4	2/12/2021	338	0.0%	700	12/31/2020
2020 Q3	11/12/2020	6,829	0.0%	12,200	9/30/2020