Ionis Pharmaceuticals Inc

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM IONS

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

144,173

Value ($000)

11,406

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	2/17/2026	11,406	0.0%	144,173	12/31/2025
2025 Q3	11/14/2025	9,493	0.0%	145,112	9/30/2025
2025 Q2	8/14/2025	5,733	0.0%	145,104	6/30/2025
2025 Q1	5/15/2025	3,990	0.0%	132,238	3/31/2025
2024 Q4	3/18/2025	4,681	0.0%	133,902	12/31/2024
2024 Q3	4/4/2025	5,055	0.0%	126,180	9/30/2024
2024 Q2	4/8/2025	6,158	0.0%	129,216	6/30/2024
2024 Q1	5/16/2024	5,714	0.0%	131,818	3/31/2024
2023 Q4	2/13/2024	7,008	0.0%	138,532	12/31/2023
2023 Q3	11/14/2023	6,604	0.0%	145,582	9/30/2023
2023 Q2	8/21/2023	6,606	0.0%	160,998	6/30/2023
2023 Q1	5/9/2023	5,904	0.0%	165,180	3/31/2023
2022 Q4	2/14/2023	6,341	0.0%	167,875	12/31/2022
2022 Q3	11/21/2022	7,339	0.0%	165,925	9/30/2022
2022 Q2	8/15/2022	6,272	0.0%	169,414	6/30/2022
2022 Q1	5/16/2022	6,236	0.0%	168,362	3/31/2022
2021 Q4	2/15/2022	5,599	0.0%	184,004	12/31/2021
2021 Q3	11/15/2021	7,580	0.0%	225,991	9/30/2021
2021 Q2	8/16/2021	9,722	0.0%	243,722	6/30/2021
2021 Q1	5/18/2021	11,019	0.0%	245,083	3/31/2021
2020 Q4	2/16/2021	13,717	0.0%	242,615	12/31/2020
2020 Q3	11/17/2020	11,304	0.0%	238,239	9/30/2020
2020 Q2	8/17/2020	14,363	0.0%	243,599	6/30/2020
2020 Q1	5/13/2020	10,503	0.0%	222,147	3/31/2020
2019 Q4	2/14/2020	13,766	0.0%	227,869	12/31/2019