Mumbai, July 9 -- Peak XV Partners has clocked nearly a 12 fold return from its partial exit from K12 Techno Services after the company saw a Rs.1,159 crore investment from European private equity firm Vitruvian Partners in a mix of primary and secondary transactions, two people familiar with the matter said.

With this transaction, Vitruvian Partners has acquired a near 16% stake in the company. The filings showed that its investment arm - Eko Tanno Pte Ltd infused Rs.150 crore as primary capital to fund the company's expansion plans. The remaining amount was used to purchase shares from existing investors, including Peak XV Partners, one of the people cited above said.

The deal values the company at a post-money valuation of about Rs.7...