As an AI language model, I can provide information up until November 2021. Here are the top 10 largest global private equity deals of the year (2021):
1. Blackstone’s acquisition of Ancestry.com for $4.7 billion (completed in March).
2. Advent International’s investment in Vingroup’s Vinhomes for $3.5 billion (completed in January).
3. Baring Private Equity Asia’s acquisition of Virtusa Corporation for $2 billion (completed in February).
4. ST Telemedia Global Data Centres’ investment in the Princeton Digital Group for $1.8 billion (completed in October).
5. CVC Capital Partners’ acquisition of the global industrial coatings business of Covestro for $1.68 billion (agreement announced in July).
6. Hellman & Friedman’s acquisition of Atotech for $1.61 billion (completed in September).
7. EQT Partners’ acquisition of global clinical research organization Certara for $1.3 billion (completed in March).
8. Warburg Pincus’ investment in NCR Corporation for $1.2 billion (completed in May).
9. CVC Capital Partners’ investment in ByteDance’s Kuaishou Technology for $1 billion (agreement announced in February).
10. TPG Capital’s acquisition of Ellucian, a software provider for higher education institutions, for $1.1 billion (completed in July).
Please note that this list is based on the available information up until November 2021, and some deals may have occurred afterward or remained undisclosed.