# Mack Weldon funding: rounds and investors > Mack Weldon has raised $5.9M across 3 rounds since 2014. Investors include RiverPark Ventures, Jason Port and Lyrical Partners. Every round with its source. Source: https://millionrounds.com/company/mack-weldon (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Mack Weldon* 3 rounds we have observed, with the 4 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. B2C Funding summary Updated 26 Oct 2026 **$5.9M** raised across 3 rounds since 2014, from 3 sources **$1.9M** Seed **$4.0M** Series A - **Latest round:** Venture Dec 2021 - **Biggest round:** $4.0M Series A · Feb 2015 - **Investors:** 4 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. 2014 2015 2016 2017 2018 2019 2020 2021 **$1.9M** Seed **$4.0M** Series A **?** Venture - **First round:** Seed, $1.9M - **Biggest round:** $4.0M - **Usual gap between rounds:** 6.8 years ## The rounds - **Dec 2021** Venture **Amount undisclosed** *1 returning* [RiverPark Ventures](https://millionrounds.com/fund/riverpark-ventures) Source recorded - **Feb 2015** Series A **$4.0M** *3 new* [RiverPark Ventures](https://millionrounds.com/fund/riverpark-ventures) [Lyrical Partners](https://millionrounds.com/fund/lyrical-partners) [Bridge Venture Fund](https://millionrounds.com/fund/bridge-venture-fund) From a historical funding record SEC filing: $5.5M sold, first sale Oct 2014 - **Jan 2014** Seed **$1.9M** *1 new* [Jason Port](https://millionrounds.com/fund/jason-port) From a historical funding record ## Founders and team From the SEC filings it signed: 1 on the team. - **Brian D. Berger** Executive Officer, Director i On the board, as filed i *Allan D. Karp* *Howard D. Socol* *Jeffrey D. Keswin* ## 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** 2014 **Series A** 2015 **Venture** 2021 [RiverPark Ventures](https://millionrounds.com/fund/riverpark-ventures) [Jason Port](https://millionrounds.com/fund/jason-port) [Lyrical Partners](https://millionrounds.com/fund/lyrical-partners) [Bridge Venture Fund](https://millionrounds.com/fund/bridge-venture-fund) ## Everyone who backed them [RiverPark Ventures](https://millionrounds.com/fund/riverpark-ventures) VC firm **2** rounds [Jason Port](https://millionrounds.com/fund/jason-port) VC firm **1** round [Lyrical Partners](https://millionrounds.com/fund/lyrical-partners) VC firm **1** round [Bridge Venture Fund](https://millionrounds.com/fund/bridge-venture-fund) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=mack-weldon). ## Also claim to have backed them These 3 firms list Mack Weldon as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Mistral Equity Partners](https://millionrounds.com/fund/mistral-equity-partners) Private equity Per its own site [Drumbeat Ventures](https://millionrounds.com/fund/drumbeat-ventures) VC firm Per its own site [RX3 Growth Partners](https://millionrounds.com/fund/rx3-growth-partners) Private equity Per its own site ## Quick answers about Mack Weldon ### Who invested in Mack Weldon? Mack Weldon's investors include RiverPark Ventures, Jason Port, Lyrical Partners and Bridge Venture Fund. ### How much has Mack Weldon raised? Mack Weldon has raised $5.9M across 3 rounds since 2014. One round did not disclose an amount, so the total is a floor. ### When did Mack Weldon last raise? Mack Weldon's most recent round was a Venture in Dec 2021. ### What was Mack Weldon's biggest round? Mack Weldon's largest round on record is $4.0M (Series A), in Feb 2015. ### Who backed Mack Weldon first? Mack Weldon's first round on record, in Jan 2014, was backed by Jason Port. ### What stage is Mack Weldon at? Mack Weldon's latest named round is a Venture, in Dec 2021. ### Where is Mack Weldon based? Mack Weldon is based in the United States. ## Companies like Mack Weldon In the same sector, and raised in the last eighteen months. 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