Arrowhead Pharmaceuticals, Inc.

RTW INVESTMENTS, LP ARWR

Report date

3/31/2026

Quarter

2026 Q1

Filed

5/15/2026

Shares

585,682

Value ($000)

36,722

Weight

0.4%

2021 Q4 - 2026 Q1 (3 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	36,722	0.4%	585,682	3/31/2026
2025 Q4	2/17/2026	38,819	0.4%	584,716	12/31/2025
2021 Q4	2/14/2022	22,996	0.3%	346,842	12/31/2021