Arrowhead Pharmaceuticals, Inc.

Hood River Capital Management LLC ARWR

Report date

3/31/2026

Quarter

2026 Q1

Filed

5/15/2026

Shares

1,056,534

Value ($000)

66,245

Weight

0.7%

2020 Q2 - 2026 Q1 (12 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	5/15/2026	66,245	0.7%	1,056,534	3/31/2026
2022 Q4	2/14/2023	15,139	0.6%	373,254	12/31/2022
2022 Q3	11/14/2022	12,282	0.5%	371,623	9/30/2022
2022 Q2	8/15/2022	12,795	0.5%	363,379	6/30/2022
2022 Q1	5/16/2022	15,870	0.5%	345,085	3/31/2022
2021 Q4	2/14/2022	22,421	0.7%	338,171	12/31/2021
2021 Q3	11/15/2021	21,147	0.7%	338,734	9/30/2021
2021 Q2	8/13/2021	29,160	0.9%	352,089	6/30/2021
2021 Q1	5/17/2021	23,678	0.8%	357,082	3/31/2021
2020 Q4	2/16/2021	30,175	1.0%	393,263	12/31/2020
2020 Q3	11/16/2020	16,589	0.7%	385,259	9/30/2020
2020 Q2	8/14/2020	18,318	0.8%	424,128	6/30/2020