To run an industry deep dive on a sector you have never covered, start with how money flows through it, not with the biggest companies. Then read what insiders say in earnings calls and company reports, find the smaller companies that matter, and decide early what "done" looks like.
By
Bigdata team
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KEY TAKEAWAYS
Start an industry deep dive with how money moves, not with the biggest names.
Earnings calls and annual reports teach you more than summaries do.
The companies that matter are often the ones big companies mention.
Decide what "done" looks like before you start.
When new sources stop changing your view, it is time to talk to experts.
Where do you start when researching a new sector with no prior coverage?
Before you start digging into company reports, work out how money moves through the industry: who pays, what they pay for, who sits in the middle, and where most of the profit ends up.
You probably will not get everything right the first time, but that is not the point. The aim is to create a rough picture that you can correct as you learn more.
Try not to begin an industry deep dive with the biggest companies in the market. They can tell you a lot about what success looks like today, but they do not always explain how the whole industry works. If you start with them, it is easy to see the market only from their side.
A better place to begin is with a simple definition of the industry and what falls within it. The US government’s NAICS codes can help you set those boundaries. Then draw a basic map showing the path from the first supplier to the final customer, including the companies involved and how each one gets paid.
Keep that map open while you research. Some sources will confirm what you already have, while others will show that part of it is wrong or missing. Just update it as you go.
It also helps to keep a list of terms you do not understand and questions you still cannot answer. Cross them off as you find the answers and whatever remains at the end gives you a useful list of things to ask someone who knows the industry firsthand.
Which sources describe how an industry actually works?
Once you have a rough money map, turn to sources created by people inside the industry. Earnings calls, annual reports, industry groups and industry magazines usually reveal more than the general summaries most sector research starts with, particularly around pricing, margins, demand and competition.
Earnings calls are especially useful because analysts can question management directly after each quarterly update. These discussions often highlight the issues that matter most, although companies may still control who gets to ask questions, as NYU’s research guide explains. Annual reports provide a clearer picture of what a company sells, who its customers are and what risks it faces. For US-listed companies, these reports are available through the SEC’s EDGAR database.
Industry magazines can help you understand day-to-day changes, while general news is useful for spotting developments that require further research. Read broader industry reports after creating your initial map so you can test their conclusions against your own. Bigdata.com’s data catalog brings news, filings and earnings transcripts together in one place. When two sources disagree, keep both and note it as an open question, because the difference is often worth investigating.
Four steps of an industry deep dive
Step | What to do | Where to look | Move on when |
|---|---|---|---|
1. Map the money | Sketch who pays, who sits in the middle and who keeps the profit | Company reports, industry overviews | You have a rough one-page map |
2. Read what insiders say | Check each part of the map against what companies say | Earnings calls, annual reports, investor days | Most of the map is confirmed or redrawn |
3. Follow the names | Add every supplier, customer and rival the big companies mention | Earnings calls, annual reports | Every step on the map has named companies |
4. Know when to stop | Test yourself against the finish line you set | Your notes and open questions | New sources stop changing your view |
Use these four rows as your plan, and come back to them whenever you are not sure what to read next.
How do you find the companies that matter beyond the obvious names?
Let the biggest companies lead you to the ones that are easier to miss. When they mention an important supplier, a major customer or a competitor gaining ground, add that company to your list.
The best-known names rarely tell the whole story. A smaller supplier providing a critical component, or a distributor controlling access to customers, may have more influence than its size suggests. Some may also be privately owned or classified under a different industry, making them harder to find through a simple search.
On earnings calls and in annual reports, listen for three kinds of mentions:
A supplier they depend on.
A customer driving growth.
A rival taking business.
Note every new name and why it was mentioned. If the same company appears across several sources, it is usually worth investigating further.
Then return to your money map. Any stage where you cannot name the main players is a sign that more companies are still missing. Keep private businesses on the map too, even if their financial information is limited, so you do not mistake the stock market for the entire industry.
How do you know when an industry deep dive is finished?
You are close to finishing when new sources stop changing your understanding of the industry. By that point, you should be able to explain how the market works, how money moves through it, where profits are made and which companies matter at each stage. You should also understand the main risks, competitive pressures and questions likely to come up on the next earnings call.
Every industry research method needs a clear finish line, because there will always be another report, company or market development to examine. Early in the process, almost every source adds something new or challenges part of your original view. Later, most of what you read simply confirms what you already know. That is a useful sign that your research is reaching a natural end.
When your money map is complete, the same names keep appearing and your remaining questions cannot be answered through public information, it is time to stop reading. Take those unanswered questions to people who work in the industry, who can add the practical context that reports and transcripts often leave out.
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