# Water lead investors (2026 list) > 21 water lead investors, 81% active in the last 12 months. Led by General Catalyst, Battery Ventures, GEF Capital Partners. Ranked by what they funded. Source: https://millionrounds.com/lists/water-lead-investors (Millionrounds; every figure on the page links to its filing or article) [Investor Lists](https://millionrounds.com/lists) # Water lead investors Updated 7 November 2026 Firms we have watched lead a round raised by a water company in the last two years. Leading is rarer than taking part, and it is the role a founder most needs filled. [See all 21 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fwater-lead-investors)The top 21 **21** investors on the list No change this week **337** cheques in 12 months *+16%* against the market **$6.8M** median round they joined *-15%* against the market median **81%** wrote a cheque in 12 months **100%** have led a round ## The Top 21 Ordered by cheques observed, never by anything anyone paid for Deploying now (17) - 1 [General Catalyst](https://millionrounds.com/fund/general-catalyst) *Deploying now* VC firm · United States **1,387** **$27M** median round **Nov 2026** last seen - 2 [Battery Ventures](https://millionrounds.com/fund/battery-ventures) *Deploying now* VC firm · United States **658** **$32M** median round **Nov 2026** last seen - 3 [GEF Capital Partners](https://millionrounds.com/fund/gef-capital-partners) *Deploying now* Private equity · United States **7** **$66M** median round **Aug 2026** last seen - 4 [Interlagos](https://millionrounds.com/fund/interlagos) *Deploying now* VC firm · United States **6** **$58M** median round **Oct 2026** last seen - 5 [Semilla Climate Capital](https://millionrounds.com/fund/semilla-climate-capital) *Deploying now* VC firm · United States **6** **$2M** median round **Jun 2026** last seen - 6 [Init 6](https://millionrounds.com/fund/init-6) quiet VC firm · Indonesia **5** **$2.3M** median round **May 2025** last seen - 7 [Burnt Island Ventures](https://millionrounds.com/fund/burnt-island-ventures) *Deploying now* VC firm · United States **4** **$4.3M** median round **Oct 2026** last seen - 8 [Lewis and Clark Partners](https://millionrounds.com/fund/lewis-and-clark-partners) *Deploying now* Corporate VC · United States **4** **$22M** median round **Aug 2026** last seen - 9 [Epic Angels](https://millionrounds.com/fund/epic-angels) *Deploying now* Angel network · Singapore **3** **$2.6M** median round **May 2026** last seen - 10 [Inven Capital](https://millionrounds.com/fund/inven-capital) *Deploying now* VC firm · Czechia **3** **$18M** median round **Sept 2026** last seen - 11 [LIP Ventures](https://millionrounds.com/fund/lip-ventures) *Deploying now* VC firm · Mexico **2** **$23M** median round **Sept 2026** last seen - 12 [Mela Ventures](https://millionrounds.com/fund/mela-ventures) *Deploying now* VC firm · India **2** **$7.9M** median round **Nov 2026** last seen - 13 [Armada Fund VI Ky](https://millionrounds.com/fund/armada-fund-vi-ky) *Deploying now* Investment firm **2** **-** median round **Sept 2026** last seen - 14 [Capricorn Industrial Biotech Fund](https://millionrounds.com/fund/capricorn-industrial-biotech-fund) *Deploying now* Growth equity **2** **$3.5M** median round **Apr 2026** last seen - 15 [Israel Investment Fund Group](https://millionrounds.com/fund/israel-investment-fund-group) *Deploying now* VC firm · United States **1** **$6.8M** median round **Oct 2026** last seen - 16 [Re:cap](https://millionrounds.com/fund/re-cap) *Deploying now* VC firm · Germany **1** **$2M** median round **Nov 2025** last seen - 17 [Viessmann Generations Group](https://millionrounds.com/fund/viessmann-generations-group) quiet Family office · Germany **1** **-** median round **Aug 2025** last seen - 18 [WaterEquity](https://millionrounds.com/fund/waterequity) quiet VC firm **1** **$5M** median round **Sept 2025** last seen - 19 [Hero Enterprise Family Office](https://millionrounds.com/fund/hero-enterprise-family-office) quiet VC firm **1** **$5.5M** median round **Aug 2025** last seen - 20 [Ofwat](https://millionrounds.com/fund/ofwat) *Deploying now* Investment firm **1** **$2M** median round **Jul 2026** last seen - 21 [Treehouse Family Capital LLC](https://millionrounds.com/fund/treehouse-family-capital-llc) *Deploying now* Growth equity **1** **$55M** median round **Aug 2026** last seen ## The Newest Cheques Rounds this list's investors joined most recently - **5** Nov **[altM](https://millionrounds.com/company/altm)** Series A · $10M *Led by* [Mela Ventures](https://millionrounds.com/fund/mela-ventures) - **4** Nov **[Shackleton AI](https://millionrounds.com/company/shackleton-ai)** Seed · $5M *Led by* [Battery Ventures](https://millionrounds.com/fund/battery-ventures) - **4** Nov **[Nooks](https://millionrounds.com/company/nooks)** Growth · $500M *Led by* [General Catalyst](https://millionrounds.com/fund/general-catalyst) - **3** Nov **[Traversal](https://millionrounds.com/company/traversal)** Series B · $120M *With* [Battery Ventures](https://millionrounds.com/fund/battery-ventures) - **2** Nov **[Hypersonica](https://millionrounds.com/company/hypersonica)** Series B · $112M *Led by* [General Catalyst](https://millionrounds.com/fund/general-catalyst) - **2** Nov **[Lumaril](https://millionrounds.com/company/lumaril)** Series A · $66M *With* [General Catalyst](https://millionrounds.com/fund/general-catalyst) ## Stages This Year 331 rounds - Series A **19%** - Seed **16%** - Series B **14%** - Venture **11%** - Other **8%** - Other **31%** ## What They Backed Sectors, last 12 months - AI **180** - Fintech **32** - Healthcare **25** - Software **19** - Biotech **17** - Cloud **16** ## Cheques by Quarter Led Joined 67 Q1 25 79 Q2 25 88 Q3 25 100 Q4 25 89 Q1 26 90 Q2 26 86 Q3 26 32 Q4 26 The last bar is the quarter still running. ## Lists Like This - [AI lead investors 1,723](https://millionrounds.com/lists/ai-lead-investors) - [Lead investors in United States 1,370](https://millionrounds.com/lists/lead-investors-in-united-states) - [Seed lead investors 1,091](https://millionrounds.com/lists/seed-lead-investors) - [Series A lead investors 920](https://millionrounds.com/lists/series-a-lead-investors) - [Fintech lead investors 763](https://millionrounds.com/lists/fintech-lead-investors) - [Series B lead investors 579](https://millionrounds.com/lists/series-b-lead-investors) - [Growth lead investors 555](https://millionrounds.com/lists/growth-lead-investors) - [Robotics lead investors 397](https://millionrounds.com/lists/robotics-lead-investors) - [Pre-seed lead investors 396](https://millionrounds.com/lists/pre-seed-lead-investors) [All investor lists *→*](https://millionrounds.com/lists) ## Quick answers about water lead investors ### Who are the most active water lead investors? By cheques observed, the most active are General Catalyst, Battery Ventures, GEF Capital Partners, Interlagos and Semilla Climate Capital. ### How many water lead investors are there? 21 are on record. 81% made an investment in the last 12 months and 100% have led a round. ### Which stages do water lead investors back? Of the rounds with a named stage in the last 12 months, mostly Series A (25%) and Seed (21%). ### How big are the rounds water lead investors join? The typical (median) round among the leading investors here is $6.8M. ### Which sectors do water lead investors back most? In the last 12 months, mostly AI, Fintech and Healthcare. ### Which water lead investors lead the most rounds? General Catalyst (97 led), Battery Ventures (29 led) and GEF Capital Partners (7 led). ### Where are water lead investors based? Among the most active, most are based in the United States (8), Germany (2) and Indonesia (1). ### What have water lead investors invested in recently? Recent rounds include altM (Series A, Nov 2026, with Mela Ventures), Shackleton AI (Seed, Nov 2026, with Battery Ventures) and Nooks (Growth, Nov 2026, with General Catalyst). Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)