Founder Stack

A year after Groww's acquisition of Smallcase in 2025, the integration path has become clear through 2026: thematic and model-portfolio investing, once Smallcase's entire reason for existing as a standalone company, is steadily folding into Groww's core brokerage app as a built-in feature rather than persisting as an independently branded product distributed across multiple competing brokers. The shift marks the end of a business model Smallcase had spent a decade trying to make work as a broker-neutral layer sitting above India's fragmented brokerage industry. Founded in 2015 by Vasanth Kamath, Rohan Gupta and Anugrah Shrivastava, Smallcase pioneered the idea of thematic stock baskets, curated collections of stocks around an investment idea or sector, that Indian retail investors could buy and rebalance as a single unit rather than picking individual stocks. The product was distributed through partnerships with nearly every major Indian broker, including Zerodha, Groww, Upstox and ICICI Direct, a broker-agnostic distribution strategy that investors including Faering Capital, Sequoia India, now Peak XV Partners, and Blume Ventures backed on the theory that Smallcase's value lay precisely in not being owned by any single brokerage. That theory became structurally harder to sustain once Groww, one of Smallcase's largest distribution partners, became its outright owner. Zerodha and Upstox, both of which still offer Smallcase-powered baskets to their own customers, now find themselves distributing a product owned by a direct competitor, an awkward position that has already prompted quiet conversations within the industry about whether those brokers should build or acquire their own thematic-investing alternatives rather than continue routing customers toward a rival's asset. For Groww, the acquisition makes more sense as a product-integration play than as a stand-alone growth business: folding curated thematic portfolios directly into its own app increases engagement and cross-sell opportunities within its already massive retail user base, even if it means sacrificing the subscription-fee revenue Smallcase previously earned from being distributed broadly across the industry. The revenue model is shifting accordingly, from a fee split with independent portfolio managers and registered investment advisers who created smallcases, toward more of an in-house feature that Groww can bundle into its overall platform economics. What to watch: whether Zerodha or Upstox move to build or acquire a competing thematic-investing product now that Smallcase sits inside a rival brokerage, how much of Smallcase's original independent creator ecosystem, the registered investment advisers and portfolio managers who built smallcases, remains active once the product is deeply integrated into Groww, and whether Groww eventually retires the standalone Smallcase brand altogether.