How to Buy Costamare Bulkers Holdings Limited (CMDB) Stock

Where to buy CMDB

13 brokers in our matrix offer CMDB. 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

CMDB 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 Costamare Bulkers Holdings Limited

Costamare Bulkers Holdings Ltd is an international owner and operator of dry bulk vessels providing transportation of dry bulk commodities globally for a broad range of customers. Its vessels transport a broad range of bulks, such as iron ore, coal and grains and minor bulks, such as bauxite, phosphate fertilizers and steel products, across shipping routes globally. The company's vessel fleet includes Current Dry Bulk Fleet, Chartered-In Vessels Fleet, and Chartered-In Newbuilding Vessels. It operates under one reportable segment, that of operating dry bulk vessels.

Listed

2025-05-01

Market cap

$442.50M

Frequently asked

Where can I buy Costamare Bulkers Holdings Limited (CMDB)?

CMDB 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 CMDB after hours or overnight?

Yes. CMDB 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 CMDB?

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

Does Fidelity offer CMDB?

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

Does Webull offer CMDB?

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

Is CMDB optionable?

No. CMDB does not have listed options contracts at the moment.

Is there a tokenized version of CMDB?

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 CMDB?

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