Cupid, Knowledge Marine, and 3 Other Stocks in Which Promoters Bought Stakes This Week

Synopsis: Promoters increased their stakes in multiple companies across sectors this week through market purchases, indicating continued insider accumulation in these stocks.

Promoter activity picked up across several listed companies this week, with multiple insider purchases seen across sectors such as consumer healthcare, marine engineering, fertilisers, PVC manufacturing, and financial services. These transactions were largely in the form of open market acquisitions, reflecting continued participation by promoter groups in strengthening their ownership positions.

The buying activity was spread across both single and consecutive trading sessions, indicating sustained accumulation in select counters rather than one-off trades. From healthcare and industrial names to capital market-focused companies, promoter entities were seen increasing their stakes, signalling confidence in long-term business prospects and operational visibility across these firms. Here are the stocks in which promoter bought a stake this week

Cupid Ltd

Cupid Ltd is engaged in the manufacturing and export of male and female condoms, water-based lubricants, and IVD kits. The company has a strong presence in both domestic and international markets, supported by exports to multiple countries. It benefits from steady demand in healthcare and preventive products segment.

With a market capitalization of Rs. 17,366 crore, the shares of the company were currently trading at Rs. 129 per share. On 2nd June 2026, Aditya Kumar Halwasiya, part of the Promoter category, acquired 2,600,000 shares, increasing its holding to 445,525,475 shares (33.13 percent). 

Knowledge Marine & Engineering Works Ltd

Knowledge Marine & Engineering Works Ltd operates in the dredging and marine engineering services space. The company provides dredging, vessel chartering, and marine infrastructure maintenance services. It primarily caters to ports, waterways, and coastal infrastructure projects, benefiting from rising investments in India’s port-led development and inland water transport expansion.

With a market capitalization of Rs. 4,397 crore, the shares of the company were currently trading at Rs. 1,799 per share. On 2nd June 2026, Saurabh Daswani, part of the Promoter and Director category, acquired 1,111 shares through a market purchase at an average price of around Rs 1,790 per share, taking the total transaction value to Rs 19.89 lakh. Post this acquisition, his total holding increased to 2,571,781 shares, representing a 10.52 percent stake in the company. 

On the same day, Pinkesh Kewalramani, belonging to the Promoter Group, bought 1,410 shares via market purchase at an average price of about Rs 1,773.19 per share, with a total transaction value of nearly Rs 25.00 lakh. After this purchase, his shareholding rose to 2,563,410 shares, translating to a 10.49 percent ownership in the company.

Also, Sujay Kewalramani from the Promoter Group acquired 2,805 shares through a market transaction at an average price of approximately Rs 1,779.43 per share, amounting to a total value of around Rs 49.91 lakh. Following this acquisition, his holding stood at 18,655 shares, equivalent to a 0.08 percent stake in the company.

Premier Polyfilm Ltd

Premier Polyfilm Ltd manufactures PVC film and sheet products used in flooring, packaging, and other industrial applications. The company serves both domestic and export markets. It benefits from demand in construction, automotive interiors, and packaging sectors, supported by increasing use of PVC-based flexible and durable materials.

With a market capitalization of Rs. 596 crore, the shares of the company were currently trading at Rs. 57 per share. On 2nd June 2026, D L Millar & Co Ltd, part of the Promoter Group of Premier Polyfilm Ltd, acquired 210,000 shares at an average price of Rs 54.7 per share, amounting to a total transaction value of around Rs 1.15 crore. Following this acquisition, the entity’s post-transaction holding stood at 15,341,027 shares, representing a 14.45 percent stake in the company. 

Paradeep Phosphates Ltd

Paradeep Phosphates Ltd is a major fertilizer manufacturer producing phosphatic fertilizers such as DAP and NPK. The company supports India’s agricultural sector by supplying key crop nutrients. It operates large manufacturing facilities and benefits from government subsidy policies and seasonal demand driven by monsoon-dependent farming cycles.

With a market capitalization of Rs. 13,060 crore, the shares of the company were currently trading at Rs. 126 per share. On 3rd June 2026, Zuari Maroc Phosphates Private Limited, classified under the Promoter category of Paradeep Phosphates Ltd, acquired 80,000 shares at an average price of Rs 127.1 per share, resulting in a total transaction value of around Rs 1.02 crore. Following this acquisition, the promoter’s post-transaction holding increased to 522,826,697 shares, representing a 50.36 percent stake in the company.

A K Capital Services Ltd

A K Capital Services Ltd operates in the financial services sector, offering investment banking, fixed income advisory, and debt capital market solutions. The company caters to corporates and institutions, assisting in fundraising and structuring financial instruments. It benefits from growth in India’s corporate debt and structured finance markets.

With a market capitalization of Rs. 1,165 crore, the shares of the company were currently trading at Rs. 1,769.95 per share. On 2nd June 2026, A. K. Mittal, part of the Promoter and Director group of AK Capital Services Ltd., increased his stake through a market purchase of 1,180 shares at an average price of Rs 1,703.5 per share, worth about Rs 20.10 lakh in total. After this transaction, his holding rose to 1,168,622 shares, equal to a 17.71 percent stake in the company.

This comes after another buy made on 1st June 2026, when he picked up 1,100 shares at an average price of Rs 1,666.8 per share, amounting to nearly Rs 18.33 lakh. Following that earlier purchase, his holding stood at 1,167,442 shares, representing 17.69 percent ownership

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