What category of investors have lock-in period in an IPO?

Anchor Investors : 50% of the allotted shares are locked in for 30 days and remaining 50% are locked in for 90 days from the date of allotment.

Promoters: 

• Minimum promoter contribution: At least 20% of the post-IPO share capital held by promoters is locked in for 3 years from the date of allotment.
• Remaining promoter shareholding: Any promoter shareholding above the mandatory 20% is locked in for 1 year from the date of allotment.

Non-Promoter Pre-IPO Investors: Locked in for 6 months from listing date