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Foreign Institutional Investors (FIIs) and Domestic Institutional Investors (DIIs) are large organizations that buy and sell stocks in huge amounts every day. FIIs are foreign investors like overseas mutual funds, pension funds, and insurance companies that bring money from other countries to invest in Indian stocks. DIIs are Indian investors like LIC, Indian mutual funds, and banks that invest money within India.​

For the first time in 22 years, Indian investors (DIIs) now own more stocks than foreign investors (FIIs). By March 2025, DIIs owned 17.62 per cent of all companies listed on NSE, while FIIs owned 17.22 per cent. This is a complete flip from 2015 when FIIs controlled 21 per cent and DIIs had only 11 per cent.​

The numbers show a clear pattern. DIIs put in a record Rs 6 lakh crore into Indian stocks in 2025—the most money ever since tracking began in 2007. Just in the March 2025 quarter, DIIs invested Rs 1,89,000 crore.​

On the other side, FIIs pulled out Rs 1,98,103 crore from Indian markets in 2025 (till October 4). September alone saw Rs 27,163 crore leave the country. Over 21 months, FIIs have sold Rs 3,19,313 crore worth of stocks.​

Recent data from October 21, 2025 shows FIIs bought Rs 96.72 crore while DIIs sold Rs 607.01 crore on that single day. But for the full month till October 21, DIIs pumped in Rs 29,922.90 crore while FIIs added only Rs 300.41 crore.​

FIIs bring foreign money into India and make it easier to buy and sell stocks quickly. They usually invest in IT companies, banks, and drug makers. But when FIIs get worried about global problems—like US interest rates going up or problems between countries—they can quickly pull money out, causing stock prices to fall fast.​

DIIs act like shock absorbers for the market. When FIIs sell, DIIs often buy stocks to keep prices from crashing too much. DIIs think long-term and invest in companies that serve Indian customers—like banks, consumer goods, hospitals, and defense companies. Money coming through mutual fund SIPs gives steady support even when markets fall.​

The 2025 data proves that Indian markets now depend less on foreign money and have strong support from Indian investors, which keeps markets stable even when FIIs sell heavily.

Abhay Shukla is a Senior Sub-Editor at Zee Business, where he covers the stock markets, corporate news, personal finance, technology, and auto sectors.

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