Historical shareholding details of SEI Investments Co holdings in Ionis Pharmaceuticals Inc (IONS)

Monthly changes of SEI Investments Co shareholding in Ionis Pharmaceuticals Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Jun 30, 2025	Sei Investments Co	98,348	0.06%

Mar 31, 2025	Sei Investments Co	71,558	0.04%

Dec 31, 2024	Sei Investments Co	70,091	0.04%

Sep 30, 2024	Sei Investments Co	189,837	0.12%

Jun 30, 2024	Sei Investments Co	132,311	0.08%

Mar 31, 2024	Sei Investments Co	79,887	0.05%

Dec 31, 2023	Sei Investments Co	70,173	0.05%

Sep 30, 2023	Sei Investments Co	64,711	0.04%

Jun 30, 2023	Sei Investments Co	15,310	0.01%

Mar 31, 2023	Sei Investments Co	45,924	0.03%

Dec 31, 2022	Sei Investments Co	45,941	0.03%