Rainmatter Capital
Rainmatter Capital is an early-stage venture capital fund affiliated with the Zerodha group, focused on investments in fintech, financial services, climate technology, and health startups in India. Co-founded by Nithin Kamath and Nikhil Kamath and headquartered in Bengaluru, Karnataka, Rainmatter has invested in more than one hundred companies since its establishment and operates as both a financial investor and an ecosystem builder for startups in the sectors adjacent to Zerodha’s core business.
The fund takes a distinctive approach within the Indian venture capital landscape: investments are made primarily from the founders’ own capital rather than from a pooled institutional fund, and the firm operates without the typical limited partner (LP) structure of a conventional venture capital fund. This self-funded approach allows Rainmatter to make long-horizon, patient investments without the liquidity pressure associated with LP-driven fund cycles.
Rainmatter also operates a separate philanthropic vehicle, Rainmatter Foundation, which provides grants and capacity support to non-profit and early-stage organisations working on climate resilience and preventive health.
Origins and establishment
Rainmatter was established informally in the early 2010s as Zerodha began generating significant profits and the founders sought structured channels for deploying capital into adjacent businesses. The initial investments were made on a direct, deal-by-deal basis into companies that could complement Zerodha’s broker ecosystem: analytics tools for traders, options pricing platforms, and tax computation software.
The fund was more formally constituted around 2014-2016 as the investment pace increased and the thematic scope broadened. The name “Rainmatter” reflects a concept of converting knowledge and technology into tangible capital outcomes, a metaphor the founders have used in public communications.
Investment mandate and focus areas
Rainmatter’s investment mandate spans three primary categories:
Financial services and trading ecosystem
The largest segment of Rainmatter’s historical portfolio consists of companies that serve Indian retail investors and traders. Investments in this category include:
- Sensibull, an options analytics and strategy platform that provides payoff visualisation, strategy screeners, and educational content for derivatives traders. Sensibull is integrated within the Kite trading platform as a distribution partner.
- Streak, a no-code strategy backtesting and algo-trading platform for retail traders, also distributed through Kite.
- Smallcase, a thematic investment baskets platform that allows retail investors to invest in curated portfolios of listed equities based on themes or indices. Smallcase became one of Rainmatter’s largest early investments in terms of subsequent valuation.
- Fisdom, a wealth management and robo-advisory platform.
- Tickertape, a stock screener and fundamental analysis platform.
- Goldenpi, a fixed-income securities marketplace.
Insurance and financial wellness
Rainmatter has made investments in insurance distribution and financial health management, reflecting the founders’ belief that the next wave of Indian financial inclusion will extend beyond trading to insurance, loans, and savings.
- Ditto Insurance (Tacterial Consulting Private Limited), an insurance advisory platform (IRDAI corporate agent CA0738) focused on unbiased term and health insurance recommendations through a chat-based advisory model. Ditto is closely affiliated with the Zerodha group and is effectively a portfolio company cum group entity.
Health and climate
Rainmatter has progressively broadened its investment mandate to include climate technology and preventive health, areas that are also represented through the philanthropic Rainmatter Foundation arm. Investments in these categories are made on commercial venture terms rather than grant terms.
Portfolio strategy
Rainmatter positions itself as a patient capital provider with a preference for founders who are solving genuine problems in underserved segments rather than chasing valuation benchmarks. The fund publicly declines to lead large growth-stage rounds and focuses on early-stage, seed, and Series A cheques. Typical ticket sizes have been in the range of one to five crore rupees, with follow-on investments in breakout portfolio companies.
The fund’s affiliation with Zerodha confers a significant distribution advantage for portfolio companies in the trading and investment space. An integration partnership with Kite or Zerodha Console can provide a portfolio company with access to millions of active retail investors virtually overnight. This distribution edge has been cited as a key attraction for fintech founders choosing Rainmatter over other early-stage VCs.
Relationship with Zerodha group entities
Rainmatter Capital is a separate legal entity from Zerodha Broking Limited but shares founders, office infrastructure, and brand identity with the Zerodha group. It is not a subsidiary of Zerodha Broking; rather, it is funded through direct capital contributions from Nithin and Nikhil Kamath and through retained profits channelled from the Zerodha group’s earnings.
Portfolio companies that distribute their products through Zerodha’s platforms enter into commercial distribution agreements with Zerodha Broking. Revenue sharing or referral fee arrangements between Zerodha and Rainmatter portfolio companies are governed by these agreements and are subject to SEBI norms on broker-distributor relationships.
Rainmatter Foundation
The Rainmatter Foundation operates as a distinct entity from Rainmatter Capital, focusing on grants rather than equity investments. It provides non-returnable grants to organisations working on climate adaptation, sustainable agriculture, clean energy access, preventive health infrastructure, and mental health. The Foundation is funded from Zerodha group profits and personal contributions from the Kamath family.
Rainmatter Health and Rainmatter Climate
Within Rainmatter’s broader portfolio, two sub-verticals have been separately identified: Rainmatter Health and Rainmatter Climate. These represent thematic concentrations within the Rainmatter investment and grant ecosystem rather than separately incorporated entities.
Public profile and communications
Nithin Kamath, as the primary spokesperson for Rainmatter Capital, regularly publishes commentary on financial markets, regulation, and startup investing through his blog and social media channels. He has been vocal about systemic issues in the Indian startup ecosystem, including the dangers of growth-at-any-cost capital allocation and the importance of unit economics.
Rainmatter publishes periodic portfolio updates and impact reports, particularly through the Foundation’s activities. The investment team maintains a low public profile relative to many institutional VCs; there are no formal fund marketing materials or LP pitch decks as the fund is self-funded.
See also
- Zerodha
- Zerodha Broking Limited
- Rainmatter Foundation
- Rainmatter Health
- Rainmatter Climate
- Ditto Insurance
- True Beacon
References
- Zerodha. “Rainmatter, Zerodha’s fintech fund.” Zerodha website and blog posts, 2016-2026.
- Kamath, Nithin. “Why we set up Rainmatter.” Zerodha Blog, various dates.
- Ministry of Corporate Affairs. Company master data, Rainmatter Capital. MCA21 portal.
- Smallcase Technologies. “About, Investors.” Smallcase website. Accessed May 2026.
- Sensibull. “About, Investors.” Sensibull website. Accessed May 2026.
- Streak. “About, Investors.” Streak website. Accessed May 2026.
- Economic Times. “Rainmatter fund investments in Indian fintech.” Economic Times, various 2018-2024.
- Forbes India. “Zerodha founders, Rainmatter portfolio.” Forbes India, 2022.