5 most-bought mid-cap stocks by mutual funds in August 2025

Which mid caps saw the sharpest jump in institutional ownership this August? Let's find out.

Last updated: 29-Sep-2025•Ujjal Das and Aditya Gupta

5 most-bought mid-cap stocks by mutual funds in August 2025 Aditya Roy/AI-Generated Image

Summary: In August 2025, mutual funds ramped up their bets on mid-cap stocks across sectors—from speciality chemicals to digital infrastructure and pharma outsourcing. This story highlights the five companies that saw the sharpest rise in fund holdings.

Mutual funds were active buyers in the mid-cap space this August, with several companies witnessing a notable rise in institutional holdings. From speciality chemicals to digital infrastructure, pharma outsourcing to electronics and engineering, the buying interest spanned diverse sectors.

Let’s take a look at the five mid-cap stocks that saw the highest increase in mutual fund ownership last month and what makes them stand out.

Company	Stock Rating	Mutual fund stake (August 2025)	Mutual fund stake (July 2025)	Change (% points)
Clean Science and Technology	★★★	12.89%	4.31%	8.58
Tata Communications	★★	15.31%	12.28%	3.02
Sai Life Sciences	★★	22.51%	19.76%	2.75
Syrma SGS Technology	★★★	10.04%	7.63%	2.42
Thermax	★★	11.97%	10.31%	1.66

Clean Science and Technology

Clean Science and Technology is one of the world’s most profitable speciality chemical makers, known for its sustainable catalytic processes. It serves 500+ customers in 35+ countries with products used in pharma, agro, FMCG (fast-moving consumer goods) and performance materials.

In FY25, Clean Science reported record revenue of Rs 967 crore and PAT (profit after tax) of Rs 264 crore. With its new subsidiary Clean Fino-Chem, the company has scaled advanced products like HALS (light stabilisers) and DHDT (a pharma intermediate).

P/E	5Y revenue growth	5Y net profit growth	5Y average return on equity	5Y average return on capital employed
43.6	18.2%	13.6%	31.1%	41.7%

Tata Communications

Tata Communications has evolved from a telecom carrier into a global digital infrastructure provider. Its “Digital Fabric” integrates network, cloud, IoT, media and security solutions across 190+ countries, powering enterprises in BFSI, manufacturing, IT and media.

In FY25, it reported revenue of Rs 23,109 crore, with 84 per cent from data services. Recent acquisitions like Kaleyra and The Switch have expanded its capabilities in customer engagement and media services.

P/E	5Y revenue growth	5Y net profit growth	5Y average return on equity	5Y average return on capital employed
27.3	6.3%	11.4%	112.2%	22.8%

Sai Life Sciences

Sai Life Sciences is a Hyderabad-based integrated CRDMO (Contract Research, Development and Manufacturing Organisation), helping global pharma and biotech companies bring new medicines to market. With 25+ years of experience, it serves 300+ clients, including 18 of the top 25 big pharma players, through R&D (research and development) labs in the US, UK and large-scale manufacturing in India.

In FY25, it posted revenue of Rs 1,695 crore and PAT of Rs 170 crore.

P/E	5Y revenue growth	5Y net profit growth	5Y average return on equity	5Y average return on capital employed
105.6	18.5%	17.4%	5.9%	9.3%

Syrma SGS Technology

Syrma SGS Technology is a leading electronic design and manufacturing (ESDM) company serving automotive, industrial, healthcare, consumer, and railway sectors. With 16 plants and four global R&D centres, it delivers PCB assemblies, RFID (radio frequency identification) modules, box builds and MedTech devices to 300+ clients worldwide.

In FY25, it reported revenue of Rs 3,836 crore and PAT of Rs 185 crore, driven by strong demand in EV electronics, industrial automation and medical devices.

P/E	5Y revenue growth	5Y net profit growth	5Y average return on equity	5Y average return on capital employed
78.4	57%	33.3%	12.1%	14.6%

Thermax

Thermax is a Pune-based engineering company providing sustainable energy and environment solutions across 90+ countries. With 16 manufacturing sites and 7,800 employees, it operates in industrial products, infrastructure, chemicals and green solutions.

In FY25, it reported revenue of Rs 10,389 crore and PAT of Rs 627 crore. Recent wins include biomass boilers, hybrid renewable projects and desalination plants, reflecting its push towards cleaner technologies.

P/E	5Y revenue growth	5Y net profit growth	5Y average return on equity	5Y average return on capital employed
56.5	15.7%	37.9%	11.4%	14%

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Disclaimer: This content is for information only and should not be considered investment advice or a recommendation.

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