megacap

English

Alternative forms

• mega cap, mega-cap, MegaCap

Etymology

From mega- +‎ cap (“capitalization”).

Adjective

megacap (not comparable)

1. (finance): Having a market capitalization among the very largest.

Noun

megacap (plural megacaps)

1. (finance) The stock of a public company with a very high market capitalization, typically over $200 billion.

   a megacap tech company

   • 1997 March, Beth Terrana, quotee, “The Key Facts on the 21 funds in this year's portfolios”, in Kiplinger's Personal Finance Magazine‎^[1], page 55:

     Owning anything but megacap stocks really hurt performance

   • 2025 August 23, Emily Herbert, “Investors look to S&P’s ‘forgotten 493’ stocks as megacap tech wobbles”, in Financial Times‎^[2], London: The Financial Times Ltd., →ISSN, →OCLC:

     This was largely due to the biggest stocks today — such as Nvidia or Tesla — being more volatile than the megacap stocks of the past, such as banks or energy companies, said Laurent De Greef, head of portfolio strategy at D.E. Shaw Investment Management.

     (Can we archive this URL?)

   • 2026 March 1, Graeme Wearden, “AI-resistant ‘halo’ stocks drive UK and EU markets to record highs”, in The Guardian‎^[3], →ISSN:

     While US mega-cap tech companies have had a rough start to 2026, the Halo trade helped to push UK and EU stock markets to record levels by the end of February.

   • 2026 June 5, Jeremy Hsu, “S&P 500 rejects SpaceX, also blocking entry for OpenAI and Anthropic”, in Ars Technica‎^[4]:

     Those proposed changes included shortening the “seasoning period” for new IPOs from 12 months to six months, waiving the investable weight factor (IWF) requirement for MegaCap companies to make at least 10 percent of their shares publicly available, and waiving the requirements for MegaCap companies to demonstrate profitability in the latest quarter of the financial year along with the previous four quarters.

Coordinate terms

• microcap
• small-cap
• midcap
• large cap

See also

• megacorp