Arrowhead Pharmaceuticals, Inc.

ARWR

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0000879407

SEC filings (opens in a new tab)

In the last 90 days, Arrowhead Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 2 sales; 501 institutions reported holding it in 13F filings for Q2 2026, worth $9.73B in total; no superinvestor holds it.

Q1 2024 vs. Q4 2023

How the institutions holding Arrowhead Pharmaceuticals, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024 All holders in Q4 2023

13F holders of ARWR: Q4 2023 compared with Q1 2024
Measure	Q4 2023	Of which not filed for Q1 2024	Q1 2024	Change
Holders	266	3	273	+10
Shares	77.5M	26.9K	96.7M	+19.2M (+24.8%)
Value	$2.37B	$822.8K	$2.76B	+$392.6M (+16.6%)

3 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (40)

Institutions that held Arrowhead Pharmaceuticals, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to ARWR in Q1 2024
Institution	Shares	Value	% of portfolio
T. Rowe Price Investment Management, Inc.	1,758,883	$50.3M	0.03%
Millennium Management LLC	326,971	$9.35M	0.01%
Octagon Capital Advisors LP	250,000	$7.15M	0.87%
Natixis	204,000	$5.83M	0.03%
Susquehanna Fundamental Investments, LLC	128,083	$3.66M	0.17%
Affinity Asset Advisors, LLC	120,000	$3.43M	0.56%
Essex Investment Management Co LLC	72,299	$2.07M	0.41%
ExodusPoint Capital Management, LP	68,647	$1.96M	0.02%
Exome Asset Management LLC	55,700	$1.59M	1.36%
Erste Asset Management GmbH	47,000	$1.35M	0.02%
Ghost Tree Capital, LLC	35,000	$1.00M	0.32%
TD Asset Management Inc	28,400	$812.2K	0.00%
Fox Run Management, L.L.C.	28,098	$803.6K	0.17%
EFG Asset Management (North America) Corp.	27,745	$792.5K	0.14%
NVWM, LLC	27,581	$788.8K	0.22%
Bayesian Capital Management, LP	25,303	$723.7K	0.07%
Mariner, LLC	22,199	$634.9K	0.00%
Resona Asset Management Co.,Ltd.	21,162	$605.2K	0.00%
Franklin Resources Inc	20,770	$594.0K	0.00%
Myecfo, LLC	18,497	$529.0K	0.31%
Scientech Research LLC	15,230	$435.6K	0.23%
Prelude Capital Management, LLC	12,700	$363.2K	0.02%
Cetera Investment Advisers	12,370	$353.8K	0.00%
Gratus Wealth Advisors, LLC	12,250	$277.0K	0.05%
HSBC Holdings PLC	9,521	$272.3K	0.00%
Oxford Asset Management LLP	9,520	$272.3K	0.29%
Virtu Financial LLC	9,411	$269.0K	0.02%
Graham Capital Management, L.P.	7,983	$228.3K	0.01%
Mackenzie Financial Corp	7,299	$208.8K	0.00%
CIBC Private Wealth Group, LLC	1,100	$31.1K	0.00%
Rise Advisors, LLC	714	$20.4K	0.01%
Chilton Capital Management LLC	600	$17.2K	0.00%
Harbour Investments, Inc.	350	$10.0K	0.00%
New Covenant Trust Company, N.A.	269	$7.69K	0.01%
Meeder Asset Management Inc	72	$2.06K	0.00%
Global Assets Advisory, LLC	40,242	$1.43K	0.07%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	48	$1.37K	0.00%
Umb Bank N A	28	$801	0.00%
Riggs Asset Managment Co. Inc.	14	$401	0.00%
Rothschild Investment LLC	10	$286	0.00%

Sold out (30)

Institutions that held Arrowhead Pharmaceuticals, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.

Institutions that sold out of ARWR in Q1 2024
Institution	Shares, Q4 2023	Value, Q4 2023
First Manhattan Co	743,721	$22.8M
Avidity Partners Management LP	714,000	$21.8M
Eagle Asset Management Inc	553,860	$16.9M
Neuberger Berman Group LLC	167,847	$5.14M
Sphera Funds Management Ltd.	144,899	$4.43M
Vivo Capital, LLC	137,411	$4.20M
Renaissance Technologies LLC	122,000	$3.73M
Voloridge Investment Management, LLC	115,372	$3.53M
Healthcare of Ontario Pension Plan Trust Fund	95,000	$2.91M
Susquehanna Portfolio Strategies, LLC	81,332	$2.49M
StemPoint Capital LP	59,038	$1.81M
Fiera Capital Corp	58,036	$1.78M
Edgestream Partners, L.P.	49,489	$1.51M
D. E. Shaw & Co., Inc.	45,474	$1.39M
CI Private Wealth, LLC	41,386	$1.27M
Dark Forest Capital Management LP	38,573	$1.18M
Driehaus Capital Management LLC	29,493	$902.5K
Glenmede Trust Co NA	16,190	$495.4K
Walleye Capital LLC	12,154	$371.9K
Landscape Capital Management, L.L.C.	10,957	$335.3K
Envestnet Asset Management Inc	8,989	$275.1K
Teza Capital Management LLC	8,521	$260.7K
HRT Financial LP	8,091	$247.0K
Captrust Financial Advisors	6,748	$206.5K
Group One Trading, L.P.	5,960	$182.4K
Atlantic Private Wealth, LLC	3,000	$91.8K
Walleye Trading LLC	1,812	$55.4K
Itau Unibanco Holding S.A.	143	$4.38K
Bessemer Group Inc	87	$3.00K
Institutional & Family Asset Management, LLC	20	$612

Not filed for Q1 2024 yet (3)

Institutions that held Arrowhead Pharmaceuticals, Inc. at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ARWR in Q4 2023 that haven't filed for Q1 2024
Institution	Shares, Q4 2023	Value, Q4 2023
Putnam Investments LLC	18,098	$553.8K
NinePointTwo Capital	7,458	$228.0K
Neo Ivy Capital Management	1,337	$41.0K