Weave Bio is an AI-native, cloud-based life sciences platform that automates regulatory workflows for drug development. Its flagship module, AutoIND, streamlines preparation of Investigational New Drug (IND) applications by automatically drafting sections from a company's own data, public information, and current regulatory guidelines. The platform serves pharmaceutical companies, biotech firms, CROs, and regulatory consultants across data extraction, authoring, review, publishing, and health-authority responses. Founded in 2022 by Ari Caroline, Shlomo Klapper, and Umut Eser, Weave won the 2024 BioTech AI Innovation of the Year award and partnered with Parexel in 2025. It has raised roughly $36M, including a $20M Series A.
Weave is publicly traded
IPO'd on Nov 11, 2021
This company is no longer available on our private secondary market. Shares can be traded publicly under WEAV.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
2022
Employees
11–50
Total Funding
$265.12M
7 rounds
Last Private Valuation
$1.5B
Nov 11, 2021
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Total raised $265.12M across 7 rounds
Last updated 06-25-2026
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| Nov 11, 2021 | IPO (NYSE: WEAV) | $120M | $1.5B | Morgan Stanley, J.P. Morgan, Bank of America |
| Oct 24, 2019 | Series D Press release | $70M | $0.97B | Tiger Global Management |
| Dec 2018 | Series C Press release | $37.5M | — | Lead Edge Capital |
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Entry · Series D
$970M
Oct 2019
Weave today
$1.5B
Nov 2021 · latest mark
Weave multiple
1.5x
valuation uplift since first round
Y-axis is logarithmic. Hollow dots = estimated valuations. Does not represent realized investor returns.
Yes, Weave is publicly traded under the ticker symbol WEAV on the NYSE. The company went public in Nov 11, 2021.
Weave trades under the ticker symbol WEAV on the NYSE. It began trading in Nov 11, 2021.
Weave (WEAV on the NYSE) shares can be purchased through any standard brokerage account — including Fidelity, Charles Schwab, TD Ameritrade, and online platforms like Robinhood or E*TRADE. Search for the ticker WEAV to place an order.
Weave went public in Nov 11, 2021 via ipo, with an offering valuation of approximately $1.5B. Weave Communications completed its initial public offering on November 11, 2021, trading on the NYSE under ticker WEAV. The IPO priced 5 million shares at $24 per share, raising $120 million. Current stock price as of May 2026 is approximately $4.91 with a market cap of $397.25M.
Weave raised $265.12M across 7 disclosed funding rounds prior to its public listing.
Weave was co-founded by Ari Caroline, Shlomo Klapper, and Umut Eser in 2022.
Weave is headquartered in New Haven, Connecticut, United States.
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