Ionis Pharmaceuticals Inc

Robeco Institutional Asset Management B.V. IONS

Report date

3/31/2026

Quarter

2026 Q1

Filed

4/21/2026

Shares

5,660

Value ($000)

425

Weight

0.0%

2019 Q2 - 2026 Q1 (9 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
2026 Q1	4/21/2026	425	0.0%	5,660	3/31/2026
2021 Q1	12/1/2022	227	0.0%	5,038	3/31/2021
2020 Q4	12/1/2022	285	0.0%	5,038	12/31/2020
2020 Q3	1/19/2021	239	0.0%	5,038	9/30/2020
2020 Q2	1/19/2021	297	0.0%	5,038	6/30/2020
2020 Q1	1/19/2021	238	0.0%	5,038	3/31/2020
2019 Q4	1/19/2021	693	0.0%	11,499	12/31/2019
2019 Q3	1/19/2021	747	0.0%	12,459	9/30/2019
2019 Q2	1/19/2021	612	0.0%	9,513	6/30/2019