Synopsis: Authum Investment & Infrastructure Limited has quietly built one of India’s biggest multibagger runs. Here are the key stocks powering its extraordinary 21,000 percent rise.
Authum Investment & Infrastructure Limited, a Mumbai-based financial company, engages in investment activities, trading of shares and securities, and lending. The company operates both in India and overseas, providing capital to individuals and businesses seeking financial growth.
Over the past year, the stock has delivered strong returns of 70.71 percent, while its five-year performance stands out with an extraordinary 21,471.41 percent gain. Here’s a look at the core holdings and recent portfolio actions driving this multibagger’s momentum.
Core Holdings
As per corporate shareholding data filed for September 30, 2025, Authum Investment publicly holds 32 stocks with a total market value exceeding Rs. 9,606.6 crore.
Among its top investments, Welspun Corp Ltd accounts for Rs. 1,518.5 crore in holding value, representing a 6.23 percent stake or 1.64 crore shares. The company is among the world’s largest manufacturers of large-diameter pipes.
Another major holding is Prataap Snacks Ltd. The holding value is Rs. 1,139.9 crore, holding a significant 42.88 percent stake, translating to over 1.02 crore shares. Prataap Snacks is a prominent Indian snack food company engaged in manufacturing and marketing products like potato chips, extruded snacks, and namkeen.
Nitco Ltd is another key holding, with Rs. 1,132.7 crore in investment value, giving Authum a 49.11 percent stake or 11.2 crore shares. Nitco operates in the tiles and marble segment. OneSource Speciality Pharma Ltd follows closely with Rs. 1,092.8 crore in holding value and a 5.20 percent stake amounting to 59 lakh shares. The company focuses on research, development, manufacturing, and commercialisation of biological drug products in various injectable formats.
Shyam Metalics and Energy Ltd, where Authum holds Rs. 1,009.6 crore worth of shares, translating to a 4.08 percent stake or 1.13 crore shares. Shyam Metalics is primarily engaged in the production of steel and allied products, including pellets, sponge iron, TMT bars, ferro alloys, and power generation.
Stake Increases and New Bets
During the quarter ended September 2025, Authum Investment actively reshuffled its portfolio, introducing new names and increasing exposure to select companies.
A notable new entrant was Vishnusurya Projects and Infra Ltd, where Authum invested Rs. 41.9 crore for a 10.64 percent stake, acquiring 26 lakh shares. The company undertakes turnkey infrastructure projects across large scale construction segments.
Authum also sharply raised its stake in Veranda Learning Solutions Ltd, lifting its holding from 3.47 percent to 13.84 percent by purchasing 1.06 crore additional shares. The total investment now stands at Rs. 303.8 crore, representing ownership of 1.3 crore shares.
Another fresh addition was Batliboi Ltd, where the company picked up 12.5 lakh shares valued at Rs. 17.7 crore, equivalent to a 2.66 percent stake. Batliboi is engaged in manufacturing and trading machine tools and textile engineering machinery. In ADF Foods Ltd, Authum marginally increased its stake from 15 percent to 15.39 percent, adding 4.3 lakh shares during the period. The total investment now stands at Rs. 372.4 crore with ownership of 1.69 crore shares.
Additionally, Authum boosted its exposure to SpiceJet Ltd, raising its stake from 2.66 percent to 2.73 percent with the purchase of 10 lakh shares. The investment is now valued at Rs. 141.9 crore, comprising 3.8 crore shares.
-Manan Gangwar
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