Sorry, available market cap data for Arrowhead Pharmaceuticals (ARWR) starts on January 2, 1998. Arrowhead Pharmaceuticals (ARWR) has a market capitalization of $5.1B, based on 138.26M shares at a price of $36.92 (down 0.3% yesterday).

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1997	$32.50	$32.50	$32.50	$32.50	3
December 30 1997	$32.50	$39.00	$32.50	$32.50	68
December 29 1997	$45.50	$45.50	$39.00	$45.50	51
December 24 1997	$39.00	$39.00	$39.00	$39.00	4
December 23 1997	$39.00	$39.00	$39.00	$39.00	1
December 22 1997	$52.00	$52.00	$39.00	$52.00	34
December 19 1997	$39.00	$39.00	$39.00	$39.00	3
December 18 1997	$19.50	$19.50	$19.50	$19.50	—
December 17 1997	$39.00	$52.00	$32.50	$39.00	18
December 16 1997	$32.50	$32.50	$32.50	$32.50	2
December 15 1997	$52.00	$52.00	$52.00	$52.00	6
December 11 1997	$32.50	$32.50	$32.50	$32.50	2
December 04 1997	$39.00	$39.00	$39.00	$39.00	4
December 02 1997	$52.00	$52.00	$52.00	$52.00	15
November 25 1997	$40.63	$40.63	$40.63	$40.63	38
November 21 1997	$40.63	$40.63	$40.63	$40.63	1
November 12 1997	$40.63	$40.63	$40.63	$40.63	22
November 11 1997	$40.63	$40.63	$40.63	$40.63	4
November 10 1997	$40.63	$40.63	$40.63	$40.63	1
November 06 1997	$65.00	$65.00	$65.00	$65.00	44
October 29 1997	$65.00	$65.00	$65.00	$65.00	18
October 16 1997	$65.00	$65.00	$65.00	$65.00	8
October 10 1997	$65.00	$65.00	$65.00	$65.00	3
October 02 1997	$65.00	$65.00	$65.00	$65.00	1
September 29 1997	$65.00	$65.00	$65.00	$65.00	1