Companies

By tier, with the last 12 months of insider, congressional, contract and lobbying activity.

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Tiers

How much of each company the theme explains.

  • Prime contractors6 companies
  • Defense technology6 companies

How this list is chosen

Last reviewed Oct 27, 2026.

A listed company is included when defense customers account for a large share of its business, or defense technology is its stated focus. Membership is reviewed twice a year, in March and September, and every change is logged below.

Change log

  • Oct 27, 2026First list published with 12 companies.

The case commonly made

What supporters of the theme usually argue. Not our view.

  • Supporters point to governments raising defense budgets and replacing older equipment.
  • The case usually made is that defense contracts often run for many years and are hard for new entrants to win.
  • Supporters argue that drones and software are becoming a larger part of how militaries operate.

Risks commonly cited

What critics and cautious investors usually raise. Not our view.

  • Critics note that results depend heavily on government budgets and political decisions.
  • Risks often raised include program delays, cost overruns and contract cancellations.
  • Critics note that smaller defense technology companies often have limited revenue and depend on a few customers.

Funds with an overlapping focus

Shown for reference. Their holdings and rules differ from this theme, and listing them is not an endorsement.

  • ITAiShares U.S. Aerospace & Defense ETF
  • SHLDGlobal X Defense Tech ETF

Ask your AI about this

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  • Using 13F.ai, which companies on the "Defense and drones" list had insider buying or selling, or trades by members of Congress, in the last 90 days? Show the filings.
  • Using 13F.ai, compare the companies on the "Defense and drones" list by federal contracts and lobbying spend over the last 12 months.
  • Using 13F.ai, which big funds added to or trimmed positions in the companies on the "Defense and drones" list in the latest 13F quarter?

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A theme is a list of companies with something in common, chosen under a published rule. It is information, not a recommendation or investment advice. Activity figures come from public filings, each linked on the company's page; none of it predicts what a price will do. Disclaimer.