As an AI language model, my responses are based on available data up until September 2021. The list of the top 10 largest Initial Public Offerings (IPOs) can vary as new IPOs take place. However, here are the largest IPOs in the world so far this year:
1. Ant Group – Raised $34.5 billion in October 2020 but was halted.
2. Saudi Aramco – Raised $29.4 billion in December 2019 (considered for 2020 listings).
3. JD Health International Inc – Raised $3.5 billion in December 2020.
4. Kuaishou Technology – Raised $2.5 billion in February 2021.
5. Baidu – Raised $2.4 billion in March 2021.
6. KakaoBank – Raised $2.2 billion in June 2021.
7. Krafton – Raised $1.8 billion in July 2021.
8. Full Truck Alliance – Raised $1.6 billion in June 2021.
9. DIDI Global – Raised $1.6 billion in July 2021.
10. Vingroup’s Vinhomes JSC – Raised $1.4 billion in May 2021.
Please note that the amounts raised are approximate figures as they are subject to change due to factors such as the exercise of over-allotment options. Additionally, this list does not include listing vehicles such as special purpose acquisition companies (SPACs).