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How to Buy 908 Devices Inc. Common Stock (MASS) Stock

Compare 13 brokers offering MASS, check which offer overnight sessions, see options pricing, and compare fractional-share terms.

MASS
$11.45−$0.0750 (−0.65%)
Day range
$11.15 – $12.00
52-week range
$5.03 – $11.72
Volume
255.8K
Market cap
$472.86M
Exchange
XNAS
Asset class
common
Optionable
Yes
24-hour trading
7 brokers — verify symbol
Fractional shares
10 brokers — verify symbol
Tokenized
No
Market cap tier
small

Where to buy MASS

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

BrokerCommissionFractionalExtendedOvernightOptionsOTC access
Charles Schwab (thinkorswim) logoCharles Schwab (thinkorswim)Review$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)Review$0 listed
~20
$0.65Most (4/5)
Fidelity logoFidelityReview$0
Stocks by the Slice, 7,000+ stocks/ETFs, from $1
$0.65Partial (2+0)
Firstrade logoFirstradeReview$0
~4,000+ tickers, ≥ $5
~1,200
$0Most (4/5)
Interactive Brokers logoInteractive BrokersReview$0 (Lite) / per-share (Pro)
~10,000
per-contract pricingFull
Merrill Edge logoMerrill EdgeReview$0
$0.65Most (3/5)
Moomoo logoMoomooReview$0
$0Limited only
Public.com logoPublic.comReview$0
rebate modelLimited only
Robinhood logoRobinhoodReview$0
≥ $1 stocks, market cap ≥ $25M
~1,134
$0None
SoFi Active Investing logoSoFi Active InvestingReview$0
$0Partial (1+2)
tastytrade logotastytradeReview$0 stocks
$1.00 open, $0 close (capped at $10 per leg)Limited only
TradeStation logoTradeStationReview$0 listed
$0.50 / $0.60Most (4/5)
Webull logoWebullReview$0
$0Limited only

24-Hour / Overnight trading

These brokers run an overnight session: Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), Webull, Moomoo, Firstrade. Each publishes its own list of symbols admitted to that session, and those lists are typically limited to large-cap index members. We do not track them per symbol, so check whether MASSis on your broker’s list before planning an overnight order.

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

About 908 Devices Inc. Common Stock

908 Devices Inc develops a suite of purpose-built handheld devices for point-of-need chemical analysis. Leveraging mass spectrometry, optical spectroscopy, analytics and machine learning technologies, the company makes devices that are smaller and more accessible than conventional laboratory instruments. Its devices, including MX908, ThreatID, XplorIR and VipIR, are used to analyze unknown materials and provide actionable answers in health, safety and defense technology applications, addressing the fentanyl and illicit drug crisis, toxic carcinogen exposure and security threats. The company reimagines mass spectrometry technology by developing smaller, lower-cost and simpler-to-operate devices compared to conventional instruments, and generates maximum revenue from the United States.
Sector
LABORATORY ANALYTICAL INSTRUMENTS
Employees
172
Headquarters
BURLINGTON, MA
Listed
2020-12-18
Market cap
$472.86M

Frequently asked

Where can I buy 908 Devices Inc. Common Stock (MASS)?

MASS 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 MASS after hours or overnight?

Most brokers in the matrix support pre-market (4 AM–9:30 AM ET) and after-hours (4–8 PM ET) sessions. A true overnight session is offered by Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), and others, but each admits only its own list of symbols — usually large-cap index members — so confirm MASS is eligible with your broker. Overnight sessions route through ATSs with wider spreads and limit orders only.

Does Robinhood offer MASS?

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

Does Fidelity offer MASS?

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

Does Webull offer MASS?

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

Is MASS optionable?

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

Is there a tokenized version of MASS?

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 MASS?

10 brokers in the matrix offer fractional shares, but each restricts the feature to its own symbol universe — Schwab to the S&P 500, Robinhood to stocks above a market-cap floor, Fidelity to a 7,000-name list. Check the Fractional column above for each broker's scope and minimum, then confirm MASS qualifies.

Related reading

Background on the trading features that apply to MASS.