How to Buy Arrowhead Research Corporation (ARWR) Stock

Where to buy ARWR

13 brokers in our matrix offer ARWR. Verify availability and current fees with each broker before trading.

Broker	Commission	Fractional	Extended	Overnight	Options	OTC access
Charles Schwab (thinkorswim)Review	$0	Schwab Stock Slices, S&P 500 only, ≥ $5/slice, up to 30 at once		~1,130	$0.65	Most (3/5)
E*TRADE (Morgan Stanley)Review	$0 listed			~20	$0.65	Most (4/5)
FidelityReview	$0	Stocks by the Slice, 7,000+ stocks/ETFs, from $1			$0.65	Partial (2+0)
FirstradeReview	$0	~4,000+ tickers, ≥ $5		~1,200	$0	Most (4/5)
Interactive BrokersReview	$0 (Lite) / per-share (Pro)			~10,000	per-contract pricing	Full
Merrill EdgeReview	$0				$0.65	Most (3/5)
MoomooReview	$0				$0	Limited only
Public.comReview	$0				rebate model	Limited only
RobinhoodReview	$0	≥ $1 stocks, market cap ≥ $25M		~1,134	$0	None
SoFi Active InvestingReview	$0				$0	Partial (1+2)
tastytradeReview	$0 stocks				$1.00 open, $0 close (capped at $10 per leg)	Limited only
TradeStationReview	$0 listed				$0.50 / $0.60	Most (4/5)
WebullReview	$0				$0	Limited only

24-Hour / Overnight trading

ARWR may be eligible for overnight trading via Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), Webull, Moomoo, Firstrade. Each broker maintains its own eligibility list — confirm before placing an order.

About Arrowhead Research Corporation

Arrowhead Pharmaceuticals Inc is an American biotechnology company. Its main target is the development of medicine to treat diseases with a genetic origin, characterized by the overproduction of one or more proteins. Its medical solutions are aimed at the genes that trigger the diseases. Its portfolio includes drugs targeting cardiovascular, Cardiometabolic, Central Nervous System, Pulmonary, Liver, Muscular, and Complement Mediated Disease. It majority products are liver disease curable.

Sector

PHARMACEUTICAL PREPARATIONS

Employees

711

Headquarters

PASADENA, CA

Listed

1995-02-01

Market cap

$10.87B

Frequently asked

Where can I buy Arrowhead Research Corporation (ARWR)?

ARWR is offered by 13 brokers in our matrix, including Charles Schwab (thinkorswim), E*TRADE (Morgan Stanley), Fidelity, Firstrade, Interactive Brokers. Compare commissions, fractional eligibility, and overnight availability in the broker matrix above.

Can I buy ARWR after hours or overnight?

Yes. ARWR is on the 24-hour eligibility list for Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), and others. Overnight sessions route through ATSs with wider spreads and limit-orders only.

Does Robinhood offer ARWR?

Yes. Robinhood offers ARWR as a regular exchange-listed security.

Does Fidelity offer ARWR?

Yes. Fidelity offers ARWR as a regular exchange-listed security.

Does Webull offer ARWR?

Yes. Webull offers ARWR as a regular exchange-listed security.

Is ARWR optionable?

Yes. ARWR has listed options contracts. Per-contract pricing varies by broker — see the Options column in the matrix.

Is there a tokenized version of ARWR?

Not in our current dataset. The tokenized stock universe (Kraken xStocks, Binance Alpha/Ondo, Robinhood EU, Hyperliquid HIP-3) is expanding quickly — we refresh quarterly.

Can I buy a fractional share of ARWR?

Yes. Multiple brokers in the matrix support fractional shares for ARWR — see the Fractional column above for per-broker eligibility and minimums.