The share buybacks by Zydus Lifesciences, Dhanuka Agritech as well as CyberTech Systems and Software are closing on Wednesday, offering the last chance for investors to tender shares in the offers cumulatively worth around Rs 1,185 crore. Buyback refers to a corporate action where a company repurchases its own shares from existing shareholders, mostly at a premium to the market price. The record date for these three buybacks lapsed in May, hence investors taking fresh positions in the stocks today will not be eligible to tender shares in the buybacks.Zydus Lifesciences share buybackZydus Lifesciences is buying back 87.3 lakh equity shares at a buyback price of Rs 1,260 apiece. This implies a premium of 14% over the stock’s previous closing price of Rs 1,105.6 apiece on NSE. The total buyback size stands at Rs 1,100 crore.Under the pharma company’s buyback offer, eligible shareholders in the reserved category for small shareholders are entitled to tender 5 equity shares for every 49 equity shares held as on the record date. For shareholders falling under the general category, the buyback entitlement has been fixed at 7 equity shares for every 937 equity shares held on the record date.Also Read | Wipro's Rs 15,000 crore buyback opens tomorrow: Should retail investors tender shares?Notably, this is the biggest-ever share buyback announced by Zydus Lifesciences. Before the buyback announcement, the promoter and promoter group held nearly a 75% stake in Zydus Lifesciences as of May 15, 2026, while retail investors and mutual funds held around 5% each. Foreign portfolio investors owned nearly 7% of the company, while insurance companies held slightly over 6%.Dhanuka Agritech share buybackDhanuka Agritech is buying back up to 5 lakh shares at a price of Rs 1,400 per share, taking the total buyback size to Rs 70 crore via the tender route. The buyback price implies a premium of nearly 29% from the stock’s previous closing price of Rs 1,087.10 apiece on NSE.Under the fertiliser and pesticide manufacturer’s buyback offer, eligible shareholders in the reserved category for small shareholders are entitled to tender 1 equity share for every 15 equity shares held as on the record date. For shareholders falling under the general category, the buyback entitlement has been fixed at 5 equity shares for every 518 equity shares held on the record date.CyberTech Systems & SoftwareCyberTech Systems & Software is repurchasing 8.5 lakh shares, representing 9.81% of its total stake, at a buyback price of Rs 170 per share for an aggregate amount not exceeding Rs 14.45 crore. This implies a premium of more than 23% from the stock’s previous closing price of Rs 137.71 apiece on NSE.Under the company’s buyback offer, eligible shareholders in the reserved category for small shareholders as well as the general category are entitled to tender 12 equity shares for every 277 equity shares held as on the record date. (Disclaimer: Recommendations, suggestions, views and opinions given by the experts are their own. These do not represent the views of The Economic Times)