# Shelf funding: rounds and investors > Shelf has raised $55M across 2 rounds since 2017. Investors include Tiger Global Management, Insight Partners and Connecticut Innovations. Source: https://millionrounds.com/company/shelf (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Shelf* 2 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. AI Funding summary Updated 26 Oct 2026 **$55M** raised across 2 rounds since 2017, from 2 sources **$2.2M** Seed **$53M** Series B - **Latest round:** Series B, $53M Aug 2021 - **Step-up i:** 23.9× - **Investors:** 8 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2018 2019 2020 2021 **$2.2M** Seed **$53M** Series B - **First round:** Seed, $2.2M - **Biggest round:** $53M - **Between rounds:** 4 years ## The rounds - **Aug 2021** Series B **$53M** *5 new* [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) [Base10 Partners](https://millionrounds.com/fund/base10-partners) [Contour Venture Partners](https://millionrounds.com/fund/contour-venture-partners) Source recorded - **Jul 2017** Seed **$2.2M** *3 new* [Seedinvest](https://millionrounds.com/fund/seedinvest-2) CT Ratan Agarwal Reported by FinSMEs ## Founders and team From Shelf's own website and the SEC filings it signed: 3 on the team. - **Annie Woerner** Manager of Call Center Technology, major cosmetics company - **Mark Comber** Continuous Improvement Manager, international credit management services provider - **Atul Singh** Executive Officer, Director i On the board, as filed i *Lauren Elizabeth Jung* ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Seed** 2017 **Series B** 2021 [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) [Base10 Partners](https://millionrounds.com/fund/base10-partners) [Contour Venture Partners](https://millionrounds.com/fund/contour-venture-partners) [Seedinvest](https://millionrounds.com/fund/seedinvest-2) CT Ratan Agarwal ## Everyone who backed them [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) VC firm **1** round [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) VC firm **1** round [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) Government **1** round [Base10 Partners](https://millionrounds.com/fund/base10-partners) VC firm **1** round [Contour Venture Partners](https://millionrounds.com/fund/contour-venture-partners) VC firm **1** round [Seedinvest](https://millionrounds.com/fund/seedinvest-2) VC firm **1** round CT no record of our own yet **1** round Ratan Agarwal no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=shelf). ## Also claim to have backed them This firm lists Shelf as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Outsiders Fund](https://millionrounds.com/fund/outsiders-fund) VC firm Per its own site ## Quick answers about Shelf ### Who invested in Shelf? Shelf's investors include Tiger Global Management, Insight Partners, Connecticut Innovations, Base10 Partners and Contour Venture Partners, and 3 more on record. ### How much has Shelf raised? Shelf has raised $55M across 2 rounds since 2017. ### When did Shelf last raise? Shelf's most recent round was a Series B of $53M in Aug 2021. ### What was Shelf's biggest round? Its most recent round, $53M in Aug 2021, is also its largest on record. ### Who backed Shelf first? Shelf's first round on record, in Jul 2017, was backed by Seedinvest, CT and Ratan Agarwal. ### What stage is Shelf at? Shelf's latest named round is a Series B, in Aug 2021. ### Where is Shelf based? Shelf is based in the United States. ## Companies like Shelf In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app