Billionaire investor Rakesh Jhunjhunwala has trimmed his stake in Tata Motors in the April-June quarter. According to BSE filings, he held 3,77,50,000 equity shares or 1.14% of Tata Motors at June-end, down from 4,27,50,000 shares that he held at March-end. Meanwhile, he has added 75 lakh equity shares of Federal Bank, taking his total tally to 5,47,21,060 equity shares.