Ionis Pharmaceuticals Inc

CHARLES SCHWAB INVESTMENT MANAGEMENT INC IONS

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

1,541,841

Value ($000)

121,975

Weight

0.0%

2019 Q4 - 2025 Q4 (25 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	121,975	0.0%	1,541,841	12/31/2025
2025 Q3	11/10/2025	99,435	0.0%	1,519,951	9/30/2025
2025 Q2	8/12/2025	58,784	0.0%	1,487,818	6/30/2025
2025 Q1	9/15/2025	43,554	0.0%	1,443,629	3/31/2025
2024 Q4	2/6/2025	51,791	0.0%	1,481,440	12/31/2024
2024 Q3	11/12/2024	57,807	0.0%	1,443,020	9/30/2024
2024 Q2	8/12/2024	63,298	0.0%	1,328,106	6/30/2024
2024 Q1	5/9/2024	56,414	0.0%	1,301,368	3/31/2024
2023 Q4	2/6/2024	64,518	0.0%	1,275,319	12/31/2023
2023 Q3	11/8/2023	56,351	0.0%	1,242,307	9/30/2023
2023 Q2	8/10/2023	49,204	0.0%	1,199,220	6/30/2023
2023 Q1	5/12/2023	42,402	0.0%	1,186,393	3/31/2023
2022 Q4	2/13/2023	47,449	0.0%	1,256,268	12/31/2022
2022 Q3	11/14/2022	53,181	0.0%	1,202,346	9/30/2022
2022 Q2	8/15/2022	42,722	0.0%	1,154,025	6/30/2022
2022 Q1	5/13/2022	42,145	0.0%	1,137,827	3/31/2022
2021 Q4	2/11/2022	33,274	0.0%	1,093,439	12/31/2021
2021 Q3	11/16/2021	35,879	0.0%	1,069,732	9/30/2021
2021 Q2	8/16/2021	28,480	0.0%	713,960	6/30/2021
2021 Q1	5/17/2021	31,315	0.0%	696,496	3/31/2021
2020 Q4	2/16/2021	39,093	0.0%	691,409	12/31/2020
2020 Q3	11/13/2020	32,324	0.0%	681,204	9/30/2020
2020 Q2	8/20/2020	36,348	0.0%	616,469	6/30/2020
2020 Q1	5/15/2020	28,874	0.0%	610,699	3/31/2020
2019 Q4	2/7/2020	36,079	0.0%	597,225	12/31/2019