# Mithril Capital: portfolio, investments and team > Mithril Capital is an investment firm. 3 investments on record, 1 in the last 12 months, latest Jun 2026. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/mithril-capital (Millionrounds; every figure on the page links to its filing or article) [Investor](https://millionrounds.com/investors) # Mithril Capital Last cheque observed Jun 2026; 3 cheques on record. Email Deploying now Investment firm Growth Series F Follow Mithril Capital and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fmithril-capital) Deploying now **100%** of best year **1** **cheques in 12 months**, 3 on record Since the last cheque **149** days **00** hrs **00** min **00** sec Median round **$425M** Rounds led **0 of 3** Sole investor **1 rounds** Pitch Mithril Capital ## Mithril Capital highlights - 01 1 cheques in the last 12 months - 02 Mostly Growth and Series F: 100% of its rounds - 03 Sole investor in 1 rounds, median $45M ## What they do - **Type:** Investment firm (from a list, unverified) - **Cheque size:** Not stated - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **3 appearances** - **2026** 1 round - **Jun** **[Helion](https://millionrounds.com/company/helion)** Growth · US · TechCrunch **$465M** With 11 others - **2025** 1 round - **Jan** **[Helion Energy](https://millionrounds.com/company/helion-energy)** Series F · US · Crunchbase News **$425M** With 10 others - **2019** 1 round - **Sept** **[InMobi](https://millionrounds.com/company/inmobi)** IN · TechCrunch **$45M** Sole investor 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 cheque Growth Series F Median round joined **$425M** the round, not its cheque Alone, median **$45M** Led 0 of 3 rounds **0%** - **Sole investor:** 1 rounds - **Last cheque:** Jun 2026 Rounds by stage said on their site - Growth *1* - Series F *1* Cheques by month Led Joined Nov 2023 Oct 2026 Often in the room with - [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) 2 - [SoftBank Vision Fund 2](https://millionrounds.com/fund/softbank-vision-fund-2) 2 **Pitching Mithril Capital?** 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 Mithril Capital. A count of rooms they were both in, not a relationship either has claimed. [**Lightspeed Venture Partners** VC firm **2** rounds together](https://millionrounds.com/fund/lightspeed-venture-partners)[**SoftBank Vision Fund 2** Growth equity **2** rounds together](https://millionrounds.com/fund/softbank-vision-fund-2) ## Recently backed The latest companies Mithril Capital put money into. [**Helion Energy** $425M · Jan 2025](https://millionrounds.com/company/helion-energy) ## Mentioned on podcasts Episodes that name Mithril Capital in their description, not their title. - [TBPN](https://millionrounds.com/podcasts/tbpn) 16 May 2025 · 2h 56m OpenAI Launches Codex, Meta Delays Llama 4 Behemoth | Matt Grimm, Kevin Weil, Blake Scholl, Tim Fist, Chris Best, Sean Henry With [Blake Scholl](https://millionrounds.com/person/blake-scholl)[Chris Best](https://millionrounds.com/person/chris-best)[Kevin Weil](https://millionrounds.com/person/kevin-weil) Mentions [Mithril Capital](https://millionrounds.com/fund/mithril-capital)[Mithril Capital Management](https://millionrounds.com/fund/mithril-capital-management) Apple PodcastsShow page - [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) 11 Nov 2024 · 1h 23m 20VC: Anduril Co-Founder on How a Trump Administration Changes the Defence Industry | What Happens Between China vs Taiwan, Israel vs Palestine, Russia vs Ukraine | How Software Changes War & Why TikTok Should Be Banned with Matt Grimm With [Matt Grimm](https://millionrounds.com/person/matt-grimm) Mentions [Mithril Capital](https://millionrounds.com/fund/mithril-capital)[Mithril Capital Management](https://millionrounds.com/fund/mithril-capital-management)[Peter Thiel](https://millionrounds.com/fund/peter-thiel) Apple PodcastsShow page - [The Official SaaStr Podcast](https://millionrounds.com/podcasts/saastr) 5 Sept 2017 · 29 min SaaStr 141: How To Scale & Segment Your Sales Team Efficiently, How To Move Upmarket With Speed & How To Raise Over $50m in an "Unsexy" Industry with Classy Founder, Scot Chisholm Mentions [Scot Chisholm](https://millionrounds.com/fund/scot-chisholm)[Mithril Capital](https://millionrounds.com/fund/mithril-capital)[Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) Apple PodcastsShow page ## Quick answers about Mithril Capital ### What does Mithril Capital invest in? Mithril Capital invests most often at Growth and Series F (100% of the rounds on record). ### How active is Mithril Capital? 3 investments on record, 1 of them in the last 12 months. The most recent was in Jun 2026. ### What has Mithril Capital invested in recently? Its most recent investments on record: Helion (Growth, Jun 2026), Helion Energy (Series F, Jan 2025) and InMobi (Undisclosed round, Sept 2019). ### How big are Mithril Capital's cheques? The median round it joins is $425M. ### Is Mithril Capital investing now? Yes: it is actively investing, with 1 investments in the last 12 months. ### Who does Mithril Capital invest alongside? Most often Lightspeed Venture Partners (2 rounds together) and SoftBank Vision Fund 2 (2 rounds together). ### What kind of investor is Mithril Capital? Mithril Capital is an investment firm. ### Where does this information on Mithril Capital come from? From 6 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night. ## 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. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=mithril-capital) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=mithril-capital)