Hood River Capital Management LLC

Position in ARWR — Arrowhead Pharmaceuticals, Inc.

CIK 1578177 PALM BEACH GARDENS, FL

Position in ARWR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$91,352,087

+$25,107,406 QoQ

Shares Held

1,120,747

+6.1% QoQ

Ownership

0.793%

of shares outstanding

% of Portfolio

0.66%

of 13F equity value

Holder Rank

#22

of 499 holders

Holding Since

Jun 2020

13 quarters on record

Voting authority Sole 97% Shared 0% None 3%

Healthcare · as of Jun 30, 2026

Hood River Capital Management LLC holds $1,664,762,065 across 20 Biotechnology names. ARWR ranks #9 (5.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KRYS	Krystal Biotech, Inc.	663,375	$246,556,586
2	PRAX	Praxis Precision Medicines, Inc.	425,167	$142,341,659
3	PTCT	Ptc Therapeutics, Inc.	1,738,613	$141,818,662
4	SRRK	Scholar Rock Holding Corp	2,224,788	$122,363,340
5	INSM	INSMED Inc	1,056,871	$112,683,586
6	PTGX	Protagonist Therapeutics, Inc	882,738	$108,206,024
7	BBIO	BridgeBio Pharma, Inc.	1,347,535	$100,364,406
8	AXSM	Axsome Therapeutics, Inc.	402,678	$98,563,494

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$91,352,087	1,120,747	+6.1%	Shares	Sole	2026-08-14
2026-03-31	$66,244,681	1,056,534	+183.1%	Shares	Sole	2026-05-15
2022-12-31	$15,139,182	373,254	+0.4%	Shares	Sole	2023-02-14
2022-09-30	$12,282,140	371,623	+2.3%	Shares	Sole	2022-11-14
2022-06-30	$12,794,574	363,379	+5.3%	Shares	Sole	2022-08-15
2022-03-31	$15,870,459	345,085	+2.0%	Shares	Sole	2022-05-16
2021-12-31	$22,420,737	338,171	-0.2%	Shares	Sole	2022-02-14
2021-09-30	$21,147,163	338,734	-3.8%	Shares	Sole	2021-11-15
2021-06-30	$29,160,010	352,089	-1.4%	Shares	Sole	2021-08-13
2021-03-31	$23,678,107	357,082	-9.2%	Shares	Sole	2021-05-17
2020-12-31	$30,175,069	393,263	+2.1%	Shares	Sole	2021-02-16
2020-09-30	$16,589,252	385,259	-9.2%	Shares	Sole	2020-11-16
2020-06-30	$18,318,088	424,128	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.