# Walden Catalyst: portfolio, investments and team > Walden Catalyst is a vc firm based in United States. 9 investments on record, 5 in the last 12 months, latest Oct 2026. Source: https://millionrounds.com/fund/walden-catalyst-ventures (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Walden Catalyst Last cheque observed Oct 2026; 9 cheques on record. Email Deploying now New fund $601M, Dec 2021 VC firm Seed Series A Series B Paas IoT Middleware Follow Walden Catalyst and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fwalden-catalyst-ventures) Deploying now **100%** of best year **5** **cheques in 12 months**, 9 on record Since the last cheque **4** days **00** hrs **00** min **00** sec Median round **$44M** Rounds led **5 of 9** Mostly in **United States, 44%** Pitch Walden Catalyst ## Walden Catalyst highlights - 01 5 cheques in the last 12 months - 02 Mostly Series B and Seed: 67% of its rounds - 03 Led 5 rounds ## What they do > We back the bold and the daring, pioneers.... 200+ invested companies. From their own website - **Type:** VC firm (from a list, unverified) - **Cheque size:** Not stated - **Stages:** Seed Series A Series B Growth - **Sectors:** Paas IoT Middleware - **Based in:** San Francisco, United States - **Cold pitches:** Not accepted ## The record Every round we can evidence, newest first **9 appearances** - **2026** 5 rounds - **Oct** **[Hyperbolic](https://millionrounds.com/company/hyperbolic)** Series A · US · AI Funding Tracker **$30M** *Led* - **Sept** **[Snorkel AI](https://millionrounds.com/company/snorkel-ai)** Growth · US · Blumberg Capital **$350M** With 18 others - **Jun** **[Nearfield Instruments](https://millionrounds.com/company/nearfield-instruments)** Series D · NL · Ventureburn **$380M** With 8 others - **May** **[Nace.AI](https://millionrounds.com/company/nace-ai)** Seed · US · Firms' own news pages **$22M** *Led* - **Apr** **[NeoCognition](https://millionrounds.com/company/neocognition)** Seed · US · TechCrunch **$40M** *Led* - **2025** 2 rounds - **Jun** **Speedata** Series B · IL · TechCrunch **$44M** *Led* - **Jan** **[Ati Motors](https://millionrounds.com/company/ati-motors)** Series B · IN · TechCrunch **$20M** *Led* - **2024** 1 round - **Dec** **[Anybotics](https://millionrounds.com/company/anybotics)** Series B · CH · TechCrunch **$60M** With 7 others - **2022** 1 round - **Jul** **AI21 Labs** Series B · IL · Ahren Innovation Capital **$64M** With 5 others An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor. ## The team Named by the firm itself, on a filing, its Form ADV or its company registration **3 named** LB **Lip Bu Tan** Managing Director i Form ADV LT **Lip-Bu Tan** Managing Director i Filing they signed YS **Young Sohn** Managing Director i Filing they signed We also hold **7** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them. ## What the register says From the firm's own filings with the SEC, which it must file accurately by law **$477M** gross assets of its funds Oct 2026 **Exempt** reporting adviser venture or small private funds - **Legal name:** Walden Catalyst Management, LLC - **SEC number:** CRD 315491 New fund on file **$601M** raised in Dec 2021 From its SEC filing, not a journalist: a firm that has just raised has money to deploy. ## The cheque Seed Series A Series B Median round joined **$44M** the round, not its cheque Led 5 of 9 rounds **56%** - **Sole investor:** Never alone - **Last cheque:** Oct 2026 Rounds by stage said on their site - Series B said *4* - Seed said *2* - Growth said *1* - Series A said *1* - Series D *1* Cheques by month Led Joined Nov 2023 Oct 2026 Often in the room with - [Cambium Capital](https://millionrounds.com/fund/cambium-capital) 2 - [General Catalyst](https://millionrounds.com/fund/general-catalyst) 2 - [Lip-Bu Tan](https://millionrounds.com/fund/lip-bu-tan) 2 - [NGP Capital](https://millionrounds.com/fund/ngp-capital) 2 - [Vista Equity Partners](https://millionrounds.com/fund/vista-equity-partners) 2 **Pitching Walden Catalyst?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Who they invest alongside The investors most often in the same rounds as Walden Catalyst. A count of rooms they were both in, not a relationship either has claimed. [**Cambium Capital** VC firm **2** rounds together](https://millionrounds.com/fund/cambium-capital)[**General Catalyst** VC firm **2** rounds together](https://millionrounds.com/fund/general-catalyst)[**Lip-Bu Tan** VC firm **2** rounds together](https://millionrounds.com/fund/lip-bu-tan)[**NGP Capital** VC firm **2** rounds together](https://millionrounds.com/fund/ngp-capital)[**Vista Equity Partners** Private equity **2** rounds together](https://millionrounds.com/fund/vista-equity-partners) ## Recently backed The latest companies Walden Catalyst put money into. [**Hyperbolic** $30M · Oct 2026](https://millionrounds.com/company/hyperbolic)[**Snorkel AI** $350M · Sept 2026](https://millionrounds.com/company/snorkel-ai)[**Nearfield Instruments** $380M · Jun 2026](https://millionrounds.com/company/nearfield-instruments)[**Nace.AI** $22M · May 2026](https://millionrounds.com/company/nace-ai)[**NeoCognition** $40M · Apr 2026](https://millionrounds.com/company/neocognition)[**Anybotics** $60M · Dec 2024](https://millionrounds.com/company/anybotics) ## Quick answers about Walden Catalyst ### What does Walden Catalyst invest in? Walden Catalyst invests most often at Series B and Seed (67% of the rounds on record), in sectors such as Paas, IoT and Middleware. ### How active is Walden Catalyst? 9 investments on record, 5 of them in the last 12 months, and it led 5. The most recent was in Oct 2026. ### What has Walden Catalyst invested in recently? Its most recent investments on record: Hyperbolic (Series A, Oct 2026), Snorkel AI (Growth, Sept 2026) and Nearfield Instruments (Series D, Jun 2026). ### How big are Walden Catalyst's cheques? The median round it joins is $44M. ### Does Walden Catalyst lead rounds? Yes: it led 5 of its 9 investments on record (56%). ### Where does Walden Catalyst invest? Most of the companies it backs are in the United States (44%), Israel (22%) and the Netherlands (11%). ### Is Walden Catalyst investing now? Yes: it is actively investing, with 5 investments in the last 12 months. ### Who does Walden Catalyst invest alongside? Most often Cambium Capital (2 rounds together), General Catalyst (2 rounds together) and Lip-Bu Tan (2 rounds together). ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. 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