Startups fundraise in 'rounds' as they prove out their business and scale

Seed funding is often the first round of capital that a startup raises

Early-stage startups often try to secure seed funding from investors in order to take their idea from concept to reality.

Angel investors often come together as a syndicate

Startups raise money in different rounds from investors that include their friends and family, angels, and venture capital funds. These types of investors serve different purposes.

Angel investors typically fund a startup at an earlier stage than venture capitalists

Angel investors and venture capitalists both invest in startups, but they differ in a few key ways. Angel investors typically invest earlier and in a smaller amount.

Venture capital is a type of financing that firms and funds use to invest in startups they believe have the potential for long-term growth

Household name companies such as Airbnb and Uber might not exist without venture capital, which is commonly referred to as "VC" for short.

Platforms like AngelList help angel investors find startups to fund

Angel investors leverage their high net worths to fund seed-stage startups. While they could see high returns, investing in such an early company is a risk.

Startup accelerators offer mentorship and seed funding in exchange for equity

Those programs, such as Y Combinator and Techstars, not only offer expert advice to founders, but also seed funding in exchange for equity. The goal is to help young startups learn from successful companies, making it more likely they attract venture capital.

A successful angel investor can multiply their investment by 3 to 10 times.

Startup founders’ equity becomes diluted as they bring in more investors

When an angel investor funds a company in exchange for equity, startups issue new shares to them, rather than giving them existing shares, and boost the company’s valuation.

Unlike small businesses, startups aim to disrupt entire industries

They also differ from small businesses in that startups have a higher level of risk, may take on outside funding from venture capital firms to boost growth, and more.

2025 venture capital funding by destination, visualized

This chart's source, Dealroom, uses "breakout capital" to refer to funding rounds or companies in the $15M to $100M total funding range. It labels the startup stage as under $15M, and the scaleup stage as $100M+.

Angel investors often receive significant equity because of the risk they take

Angel investors fund startups at an early stage, at which time a company’s success is less assured. In exchange, they often ask for a significant equity stake.

Angels invest in a mix of startups from different industries

To diversify their portfolios and mitigate their risk, angels may invest in startups that are at earlier or later stages of development, as well as in various industries.

Global investing in startups hit a record $297B in Q1 2026

The level of startup funding around the world broke all previous records in Q1 2026 by a significant margin: Only $118B was raised in the previous quarter, and Q1's haul outpaced every full year of global VC activity before 2019. The increase was partly due to the enormous funding rounds from AI companies such as OpenAI and Anthropic.

According to some estimates, roughly 75% of venture-backed startups fail, making startups inherently risky ventures.

Angel investors funded startups with nearly $28B in 2024

Statistics about the angel investing market show that billions are spent funding early-stage startups each year. Companies with more angel interest had higher success rates.

Many startup founders pull out-of-the-box stunts to get their businesses off the ground.

In 2023, venture capital firms invested $170B in over 15,000 US companies

That's a significant drop from 2022’s $242B, reflecting market uncertainty but continuing VC’s role in scaling transformative ideas. Rooted in early risk-sharing models, venture capital took off with firms like ARDC in 1946, later evolving into today’s influential players like Sequoia Capital and Andreessen Horowitz.

Early-stage investors say ‘no’ to the vast majority of funding pitches

Angel investor Alicia Syrett details the top reasons investors turn down entrepreneurs. For example, the entrepreneur didn’t do their homework by, for instance, not researching the investor.

Nonprofit VC funds invest in startups, but have donors instead of LPs

Examples include Andreessen Horowitz’s TxO (Talent x Opportunity) Initiative and Fifth Star Funds, which allows donors to write “Friends & Family” checks for Black tech founders.

'Startups' can be defined as small, early-stage companies that are designed to grow fast.

Dive deep into the numbers that shape each YC deal

Y Combinator invests $500K into each company in any given batch. $125K of that investment converts into a fixed 7% in ownership of the startup, and the other $375K is invested on something called an uncapped MFN safe. YC explains what that means and more terms of the deal in a detailed article on their website

Convertible notes represent loans that startups owe investors

In the second part of a two-part series, convertible notes are explained to be a tool angel investors use to ensure they see a return on their investment in a startup.

7 angel investors funded Google in its early days

Entrepreneur Shaan Puri shares how seven strangers acted as Google’s earliest angel investors. The first gave Google $100K without even putting his equity agreement in writing. The investors on “Shark Tank” use their personal funds to support startups, but they’re often more predatory about terms than typical angels.

80% of a VC firm's returns come from 20% of the deals, per VC's 'power law'

Early-stage startups are highly risky investments. Many companies in a VC portfolio will not provide any significant return.

An initial public offering is how a private company becomes public.

Ride along on one coffee company's journey through the stock market to better understand how a company goes from private to public.

It's difficult for individual investors to purchase IPO shares

Although the process of going public means the general public can invest in a company, the initial investment period is different. Before individual investors get in on the action, investment bankers sell the shares to larger financial institutions who can afford the asking price and risk associated with an IPO.

The 50-100-500 rule: when a startup is no longer a startup

According to startup expert Alex Wilhelm, a company cannot be considered a startup if it generates revenue exceeding $50M, employs more than 100 people, and has a valuation of $500M or more. However, Wilhelm modified the rule in 2018 to $100M in revenue, over 500 employees, and a valuation of $2.5B or more.

Startup accelerators that include more training activities, such as pitch competitions, tend to have better long-term success rates

That's according to a new study from Wharton. Y-Combinator, perhaps the most famous startup accelerator, currently has 16 alumni companies trading on the public market. But not every entrepreneur who joins a startup accelerator makes it big.

The term 'startup'—which is typically used to describe private companies in their early stages of operation that focus on innovating new products or services to meet a market gap—can be traced back to a 1976 Forbes article.

See the anatomy of a venture capital firm

Venture capital firms get the money they use to invest in companies from limited partners, also called LPs. It’s the general partner’s job to manage that money and invest it in the right startups.

SPACs, explained

Special purpose acquisition companies make it easy for mature unicorns (companies valued at over $1B) to receive growth capital by going public. This process effectively skips the work of a traditional initial public offering, and its time-intensive investor negotiations. Typically, a well-known investor with expertise in a certain industry sponsors a SPAC with the intent to acquire a startup. Learn how it works and the risks involved here.

Explore the differences between private equity, venture capital, and hedge funds

Private equity firms focus on buying and improving private companies with the intent to sell them for profit or take them public. Venture capital is technically a form of private equity in which investors focus on startups and generally don't seek majority control of the company. Hedge funds are pooled investments for sophisticated investors that pursue a wide range of often complex strategies.

Companies pay multiple fees as part of the IPO process

When a company decides to approach IPO, it typically hires investment bankers—who earn about 7% of the IPO’s gross proceeds—to help set the organization’s target valuation range and schedule an IPO date. But that isn't the only fee associated with the IPO process.

More than $3.5B has been invested through AngelList

AngelList was created to connect startups and angel investors. It’s evolved since its 2010 founding and has been used by companies like Uber and OpenSea.

How venture capital firms came to be

The venture capital firm that kickstarted an industry.

The term ‘angel investor’ is thought to have originated with Broadway plays

The first so-called angel investors funded theatrical productions. Now, angels invest in startups at an early stage, hoping their investment will pay off in the future.

Investing in mutual funds can give you access to a wide range of securities, such as stocks and bonds, with just a single investment.

More than 400 investors turned Peloton down in its initial funding rounds

Peloton founder John Foley said investors rejected the company's initial funding requests because there was no clear indication of what the market for at-home fitness classes looked like. Ultimately, more than 200 angel investors gave the company its first round of cash. (Some users may experience a paywall.)

Many investment bankers work on IPOs

When a company undertakes an IPO, investment banks often buy many of the organization’s shares directly from the company, in order to sell the shares on the stock market. The bank stands to profit after marking up the shares.

The Y Combinator startup directory includes every company YC has funded

The startup accelerator has funded more than 5,000 companies over the years. This YC-specific search engine lets you look up any company to find out if it's a YC alum.

Cyan Banister, once homeless, was an angel investor in Uber, SpaceX, and DeepMind.

Companies go public via an initial public offering (IPO) to raise large amounts of capital, helping them expand, invest in new ventures, hire more staff, or pay off debts.

‘Demo days’ are when founders at Y Combinator pitch their startup ideas

Investors sit in the audience, waiting to hear what this season’s batch of YC founders have cooked up. YC argues that going through the process of a demo day can help founders get a better understanding of their startup themselves.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public

A prospectus typically contains information about the company's operations, including details about its management team and their compensation, financial statements, how it intends to use any capital raised by the IPO, and more. While these documents can be dense and lengthy, experts say that some of the most important sections of a prospectus for investors to look at include the risk factors section and the use of proceeds section.

The cryptocurrency equivalent of going public

An initial coin offering (ICO) is cryptocurrency's version of an initial public offering (IPO). Similar to the way a company offers shares on the stock market for the first time, ICOs occur when a cryptocurrency company seeks to raise funding for a new coin, app, or service. If you're entering the field, get the details on how it all works.

An S-1 reveals financial and other details to the public, often for the first time, when filing for an IPO

To file for an IPO, a company must file a registration form called an S-1 or prospectus with the US Securities and Exchange Commission. S-1s detail a company's current business model, competitive landscape, and other financial information.

The world’s top 20 cities for startups include San Francisco

In 2023, Singapore had the highest venture capital funding per capita in the world. But that doesn’t necessarily mean it’s the best place to have a startup. In 2023, PitchBook analyzed data to determine the world’s best startup city, including fundraising activity, venture capital deals, and exit value. San Francisco ranked as No. 1. See which other locales landed in the top 20 with this graphic.

Stanford and Harvard are among the universities producing the most startup founders

Not all startup founders are created equal. This data visualization of the universities that produce the most startup founders is based on the number of alumni who have raised venture capital funding for their companies. That means these alums had to do much more than put "entrepreneur" in their LinkedIn bio to be considered startup founders.

Working at a startup isn't for everyone, and is often more fast-paced than a run-of-the-mill job

Some argue that ideal startup employees have to be better than the average worker at managing uncertainty, acting with an "ownership" mindset rather than being a cog in the machine, and pushing limits.