NEW DELHI/MUMBAI, Sept. 10 -- Adani Airport Holdings Ltd (AAHL) tapped external equity investors for the first time to raise Rs.9,825 crore (just over $1 billion) to build a war chest ahead of an impending privatisation of 11 airports by the Indian government. Marquee private equity investors Alpha Wave Global, Premji Invest, Temasek and BlackRock-managed funds will invest the capital in three tranches by July 2027 for a 5.54% stake in the private airport company. The transaction values the operator of eight airports including Mumbai and Ahmedabad at $18 billion pre-money, according to a press release issued by Adani on Wednesday. That translates to a post-money valuation of about $19 billion for the company, which is expected to be the next Adani entity to head for a public market listing. Adani Airports is more valuable than marquee operators Aeroport de Paris, valued at $12.5 billion, and Heathrow Airport Holdings, valued at $11.8 billion. The world's most valuable airport operators include Spanish government-owned Aena, which has a market capitalisation of $46 billion, and Thai government-owned Airports of Thailand, valued at $28 billion. Its valuation is almost twice the market capitalization of listed peer GMR Airports Ltd, which stood at just over Rs.1 lakh crore (about $10.8 billion) on Wednesday morning. "The higher valuation for Adani Airport, as compared to rival GMR Airports, comes primarily on account of the sharp growth that the airport operator is expecting from non-aeronautical revenues. This includes the investment that Adani is making in city-side development projects," said Ankita Shah, vice president at brokerage firm Elara Securities. AAHL's first primary equity raise from external investors provides a fresh institutional valuation benchmark for a business that has so far funded its expansion through internal accruals, debt and project-level financing. The investor consortium includes those with aviation exposure. Premji Invest, the investment arm of Azim Premji, is an investor in SNV Aviation-owned Akasa Air, having participated in the airline's 2025 fundraise of $125 million. Its investment in AAHL gives Premji Invest exposure to both an airline and an airport operator. Temasek is the majority shareholder in Singapore Airlines, which owns 25.1% of Air India. "We are privileged to have such marquee, long-term investors alongside us on this journey," said Jeet Adani, non-executive director of AAHL. "India's aviation sector is one of the most powerful multipliers of the country's GDP growth. Every expansion in air connectivity catalyzes trade, tourism, employment and regional development well beyond the airport gate." AAHL, a wholly owned subsidiary of group flagship and incubator Adani Enterprises Ltd, has been a significant debt-funded business. AAHL's airport business had Rs.29,746 crore of debt as of March, of which Rs.29,616 crore is long-term debt, according to AEL's FY26 disclosures. The borrowing has supported the Navi Mumbai airport construction, payments related to acquired airports, new terminals and non-aeronautical capital expenditure. Adani Enterprises' market cap totalled $43.5 billion on Wednesday morning. AAHL's valuation of $19 billion implies that 43% of the flagship company's valuation comes from the airports business. The fresh equity comes after a sharp improvement in AAHL's financial performance. The airports business reported total income of Rs.13,081 crore in FY26, up 28% from Rs.10,224 crore in FY25, while Ebitda rose 55% to Rs.5,394 crore from Rs.3,480 crore. Profit before tax stood at Rs.1,427 crore. Passenger traffic rose to 95.3 million from 94.4 million. The business is trying to increase its dependence on non-aeronautical income. Aero revenue rose 26% in FY26, while non-aero revenue increased 31%, according to AEL. AAHL operates eight airports-Mumbai, Navi Mumbai, Ahmedabad, Jaipur, Lucknow, Guwahati, Mangaluru and Thiruvananthapuram. The company has previously tapped the global debt markets. In June 2025, AAHL raised $750 million through external commercial borrowings to refinance debt and fund infrastructure upgrades, capacity expansion across six airports and its non-aeronautical businesses....