Why IDFC First Bank keeps asking for more capital

Earlier this week, IDFC First Bank announced another round of fundraising: a Rs 7,500 crore preferential allotment to Warburg Pincus and Abu Dhabi Investment Authority. The two investors will together own around 15 per cent of the bank.

If this feels familiar, that's because it is. IDFC First Bank has been a regular visitor to the capital markets, tapping investors for capital almost as frequently as its own borrowers apply for top-ups. And for all the talk of transformation and scale, one uncomfortable question remains unanswered: why does a bank that's growing its loan book by 20-25 per cent a year seem to always need more cash?

Why IDFC First Bank keeps asking for more capital

On the face of it, this isn't unusual. Banking is a capital-intensive business. Regulatory norms require that for every Rs 100 lent, a bank must set aside roughly Rs 12-13 of its own capital (capital adequacy ratio). If a bank wants to grow fast, it must grow its capital base just as fast.

There are two ways to do this: generate profits or raise fresh equity. The challenge for IDFC First Bank is that it hasn't been able to do the former. With return on equity stuck in the single digits, the bank has little choice but to keep diluting shareholders. Growth, in its case, has come not from compounding capital—but from issuing more of it.

Between FY20 and Q3 FY25, the bank's net worth rose by over Rs 22,000 crore. But nearly 70 per cent of that came from fresh equity. Just Rs 7,237 crore came from profits. In other words, existing shareholders have been asked to keep footing the bill, while returns on their capital have lagged.

Growing, but not creating value

This brings us to a more fundamental point. Growth in banking is only valuable when it's profitable. IDFC First Bank has grown its loan book more than fourfold since FY18. Yet, book value per share has barely moved—from Rs 44 to Rs 52. That's a telling sign. When a bank grows but per-share value stagnates, it suggests dilution is cancelling out whatever value is being created.

Compare that with Bajaj Finance. It raises capital too—but only when the timing is right (i.e., when valuation is high). And when it does, the new capital delivers more value than it takes away. With ROEs consistently north of 20 per cent, Bajaj Finance compounds capital faster than it dilutes it. Investors welcome the dilution—because it adds to the pie rather than slicing it thinner.

IDFC First Bank's capital raises, by contrast, have been defensive. Without them, the bank's book value might have even declined, thanks to legacy losses and high operating costs.

IDFC First Bank's FY29 pitch: Lofty, but incomplete

To its credit, the bank has laid out ambitious targets: Rs 12,000-13,000 crore in profits and 18-19 per cent ROE by FY29. If achieved, this would be a substantial shift from today's performance. But even this raises a fresh question: what comes after?

To earn Rs 12,000 crore in profits at an 18 per cent ROE, the bank would need a net worth of nearly Rs 70,000 crore—almost double what it has today. Can it get there without further dilution? Not likely, given its current profitability profile. And so, the cycle may repeat itself.

Yes, the market cap might rise. But so will the number of shares. And that's the crux for long-term investors: returns depend on how much of the business they continue to own, not just how big the business becomes.

A strategy built on speed, not stability

Some of this pressure can be traced back to the bank's growth strategy. In a bid to scale quickly, IDFC First Bank offered high rates on deposits, raising its cost of funds. It expanded its branch network aggressively. And in the process, it picked up its share of bruises—first from infrastructure loans, and now from stress in the microfinance segment.

Rather than build a stable, low-cost deposit base and focus on unit economics, the bank opted for speed. In banking, that approach rarely pays off. Capital is a constraint, not a commodity. And stability isn't a milestone—it's the business model.

An old investor returns, but should shareholders cheer?

The current round of capital, led by Warburg Pincus, is being seen by some as a vote of confidence. But it's worth noting that Warburg was also Capital First's early backer before its merger with IDFC Bank, and had exited entirely last year. Their return may signal renewed interest, but it could also be read as revisiting an old file rather than underwriting a new one.

What long-term investors should watch

For investors, the real question isn't whether IDFC First Bank will grow. It clearly will. The question is whether that growth will come with consistent ROEs and without endless dilution. Because until the bank can show that it can compound capital rather than just raise it, shareholders aren't building wealth—they're just sharing the burden.

In banking, as in lending, what matters isn't how much you disburse. It's how reliably you collect.

Before you chase the next big stock, ask: At what cost?

Navigating fast-growing companies like IDFC First Bank can be tricky. Growth numbers may look impressive, but without consistent profitability and strong return on equity, shareholder value can get diluted instead of compounding.

At Value Research Stock Advisor, we help you look beyond the surface—analysing not just growth, but its quality, sustainability, and what it means for your long-term wealth. Our recommendations focus on businesses that grow efficiently and deliver returns without asking shareholders to foot the bill.

Explore Stock Advisor to discover high-conviction stock ideas backed by detailed analysis, data, and decades of investing wisdom.

Also read: The writing was on the wall for AGS Transact's collapse

This article was originally published on April 19, 2025.