Weights & Biases stock

Private-market facts for current and former Weights & Biases employees researching their stock.

Latest Round
Series D
Valuation
$1.5B
Founded
2017
Headquarters
San Francisco, CA
Founders
Lukas Biewald, Chris Van Pelt, Shawn Lewis
Status
private

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Overview

MLOps platform providing experiment tracking, model versioning, dataset management, and collaborative tools for machine learning teams to build and deploy models.

Weights & Biases outlook

Equity outlook90% data confidence
1x
Base scenario
2x
Upside scenario

For employees evaluating Weights & Biases equity, a 1x base multiple suggests the stock may be close to fairly valued at current prices. The upside scenario at 2x is relatively close to the base case, suggesting more predictable but narrower range of outcomes.

These estimates reflect modeled return scenarios, not guaranteed outcomes. Actual results depend on company performance, market conditions, share class, and timing.

Illustrative model · v1.0.0 · Not investment advice

Selling Weights & Biases shares

Why shareholders consider selling

Shareholders in Weights & Biases may explore liquidity for a number of reasons — diversifying a concentrated position, funding a personal financial goal, or simply reducing exposure to a single private holding. As a private company, Weights & Biases does not trade on a public exchange, meaning employees and early shareholders cannot simply sell through a brokerage. Extended private timelines can leave shareholders waiting years for an exit event, which is why some choose to explore secondary-market options.

Can you sell Weights & Biases stock?

Whether a shareholder can sell typically depends on what they hold and how it was acquired. Vested and exercised shares are generally more straightforward than unexercised options or unvested RSUs. Most private companies, including those in the Artificial Intelligence sector, impose transfer restrictions such as rights of first refusal or board approval requirements. The specific terms governing Weights & Biases shares would be outlined in the holder's equity agreement or the company's governing documents.

What affects the value of Weights & Biases shares?

The price a buyer is willing to pay for private shares is shaped by several factors: overall demand for the stock, the company's financial performance, broader Artificial Intelligence market conditions, and any recent private-market transaction activity. Data points such as the company's Series D round and its reported $1.5B valuation can help frame expectations, though they do not guarantee a transaction price.

What should holders check before selling

  • The type of security held (common shares, preferred, options, RSUs)
  • Whether the equity is fully vested and, for options, whether it has been exercised
  • Any transfer restrictions, lock-up provisions, or company approval requirements
  • Estimated net proceeds after applicable taxes and transaction fees
  • Whether partial liquidity — selling a portion rather than the full position — may be a better fit

Tools for Weights & Biases shareholders

Exploring equity in Weights & Biases often raises questions about taxes, exercise timing, valuation, and exit outcomes. These tools can help you model different decisions using your own assumptions.

Latest funding round

Weights & Biases most recently raised a Series D round in June 2024. The company was valued at $1.5B. Total funding raised to date is approximately $250M.

Lead investors in this round include Insight Partners and NVIDIA.

Founders & company background

Weights & Biases was founded in 2017 by Lukas Biewald, Chris Van Pelt, Shawn Lewis and is headquartered in San Francisco, CA.

Investors

Industry

Similar private companies

Talk to a Weights & Biases stock specialist

Get personalized guidance on your Weights & Biases shares — including current market activity, pricing context, and liquidity options.

Speak with an expert

Frequently asked questions

Is Weights & Biases still a private company?
Yes, Weights & Biases is currently a private company.
What is Weights & Biases's latest funding round?
Weights & Biases's most recent known round is Series D, raised in June 2024.
What is Weights & Biases's valuation?
Weights & Biases's latest reported valuation is $1.5B.
Who are the investors in Weights & Biases?
Notable investors include Insight Partners, NVIDIA, Tiger Global, Coatue Management.
Can I sell my Weights & Biases stock?
Private company shares can sometimes be sold on secondary markets. Speaking with a specialist who understands Weights & Biases stock can help you evaluate your options.

Related pages

Last verified: 2026-04-13 · Weights & Biases data compiled from funding disclosures, investor announcements, corporate filings, and public records.

Information on this page is compiled from publicly available sources and may be outdated or incomplete. This is not investment advice. Consult a qualified advisor before making financial decisions.