Alnylam Pharmaceuticals, Inc.

D. E. Shaw & Co., Inc. ALNY

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

444,493

Value ($000)

176,753

Weight

0.1%

2013 Q4 - 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	176,753	0.1%	444,493	12/31/2025
2025 Q3	11/14/2025	90,934	0.1%	199,417	9/30/2025
2025 Q2	8/14/2025	35,308	0.0%	108,276	6/30/2025
2025 Q1	5/15/2025	78,269	0.1%	289,862	3/31/2025
2024 Q4	2/14/2025	85,438	0.1%	363,085	12/31/2024
2024 Q3	11/14/2024	91,394	0.1%	332,305	9/30/2024
2024 Q2	8/14/2024	67,894	0.1%	279,398	6/30/2024
2023 Q4	2/14/2024	18,288	0.0%	95,544	12/31/2023
2023 Q3	11/14/2023	36,145	0.1%	204,092	9/30/2023
2023 Q2	8/14/2023	47,157	0.1%	248,272	6/30/2023
2023 Q1	5/15/2023	46,343	0.1%	231,345	3/31/2023
2022 Q4	2/14/2023	41,925	0.1%	176,416	12/31/2022
2022 Q3	11/14/2022	30,253	0.1%	151,144	9/30/2022
2022 Q2	8/15/2022	19,824	0.0%	135,923	6/30/2022
2022 Q1	5/16/2022	2,430	0.0%	14,883	3/31/2022
2021 Q4	2/14/2022	7,858	0.0%	46,340	12/31/2021
2021 Q3	11/15/2021	6,243	0.0%	33,063	9/30/2021
2021 Q2	8/16/2021	6,172	0.0%	36,408	6/30/2021
2021 Q1	5/17/2021	10,999	0.0%	77,903	3/31/2021
2020 Q4	2/16/2021	8,383	0.0%	64,501	12/31/2020
2020 Q3	11/16/2020	24,787	0.0%	170,238	9/30/2020
2020 Q2	8/14/2020	16,868	0.0%	113,887	6/30/2020
2020 Q1	5/15/2020	25,096	0.0%	230,553	3/31/2020
2019 Q4	2/14/2020	2,145	0.0%	18,628	12/31/2019
2014 Q1	5/15/2014	5,044	0.0%	75,133	3/31/2014
2013 Q4	2/14/2014	444	0.0%	6,900	12/31/2013