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How to Buy Arthur J. Gallagher & Co. (AJG) Stock

Compare 13 brokers offering AJG, check 24-hour trading availability, see options pricing, and find fractional-share eligibility.

$192.00−$5.40 (−2.74%)
Day range
$190.84 – $198.50
52-week range
$190.75 – $351.23
Volume
2.12M
Market cap
$50.72B
Exchange
XNYS
Asset class
common
Optionable
Yes
24-hour trading
Yes
Fractional eligible
Yes
Tokenized
No
Market cap tier
large

Where to buy AJG

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

BrokerCommissionFractionalExtendedOvernightOptionsOTC access
Charles Schwab (thinkorswim) logoCharles Schwab (thinkorswim)$0
Schwab Stock Slices, S&P 500 only, ≥ $5/slice, up to 30 at once
~1,130
$0.65Most (3/5)
E*TRADE (Morgan Stanley) logoE*TRADE (Morgan Stanley)$0 listed
~20
$0.65Most (4/5)
Fidelity logoFidelity$0
Stocks by the Slice, 7,000+ stocks/ETFs, from $1
$0.65Partial (2+0)
Firstrade logoFirstrade$0
~4,000+ tickers, ≥ $5
~1,200
$0Most (4/5)
Interactive Brokers logoInteractive Brokers$0 (Lite) / per-share (Pro)
~10,000
per-contract pricingFull
Merrill Edge logoMerrill Edge$0
$0.65Most (3/5)
Moomoo logoMoomoo$0
$0Limited only
Public.com logoPublic.com$0
rebate modelLimited only
Robinhood logoRobinhood$0
≥ $1 stocks, market cap ≥ $25M
~1,134
$0None
SoFi Active Investing logoSoFi Active Investing$0
$0Partial (1+2)
tastytrade logotastytrade$0 stocks
$1.00 open, $0 close (capped at $10 per leg)Limited only
TradeStation logoTradeStation$0 listed
$0.50 / $0.60Most (4/5)
Webull logoWebull$0
$0Limited only

24-Hour / Overnight trading

AJG 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.

Overnight sessions route through ATSs, typically have wider spreads, accept limit orders only, and offer no guaranteed fills.

About Arthur J. Gallagher & Co.

Founded in 1927 as a one-person agency, Gallagher's primary business is insurance brokerage, with a focus on serving middle-market companies. The company's risk management segment provides third-party claims adjustment to companies that choose to self-insure. Gallagher has about 72,000 employees and generates about a third of its revenue internationally, primarily in Australia, Canada, New Zealand, and the UK.
Sector
INSURANCE AGENTS, BROKERS & SERVICE
Employees
72,000
Headquarters
ROLLING MEADOWS, IL
Listed
1984-06-20
Market cap
$50.72B

Frequently asked

Where can I buy Arthur J. Gallagher & Co. (AJG)?

AJG 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 AJG after hours or overnight?

Yes. AJG 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 AJG?

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

Does Fidelity offer AJG?

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

Does Webull offer AJG?

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

Is AJG optionable?

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

Is there a tokenized version of AJG?

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 AJG?

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