Hero MotoCorp, the motorcycle manufacturer said in a disclosure to the National Stock Exchange on Monday.
The board of Hero MotoCorp passed a resolution to invest Rs 550 crore via Series E2 compulsory convertible preference shares.
The automobile company already owns a 34.2% stake in Ather and is its largest shareholder, according to data from Tracxn. In January last year, Hero partially led a $128 million fundraise into Ather.
The Bengaluru-based firm was last valued at $739 million during a $50 million fundraise in October last year, per Tracxn.
In August, Ather sold 6,835 units, according to Vahan, the government’s portal for automobile registration even as FAME-II subsidies have been pulled back by India.