ARROWHEAD PHARMACEUTICALS IN

Ticker: ARWR CUSIP: 04280A100 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 2,087,953 Value ($000) $138,619 Avg Close $49.01 Range $34.38 - $72.36

Q3 2025

Shares 2,081,689 Value ($000) $71,797 Avg Close $21.98 Range $14.30 - $34.61

Q2 2025

Shares 64,200 Value ($000) $1,014 Avg Close $14.35 Range $9.57 - $17.49

Q4 2019

Shares 470,679 Value ($000) $29,855 Avg Close $49.62 Range $27.11 - $73.72

Q1 2019

Shares 215,536 Value ($000) $3,955 Avg Close $16.50 Range $11.67 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,087,953	$138,619	$49.01	$34.38 - $72.36
Q3 2025	2,081,689	$71,797	$21.98	$14.30 - $34.61
Q2 2025	64,200	$1,014	$14.35	$9.57 - $17.49
Q4 2019	470,679	$29,855	$49.62	$27.11 - $73.72
Q1 2019	215,536	$3,955	$16.50	$11.67 - $20.60