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Startup Deep Dive : Anthem Biosciences — the Rs 3,395 crore IPO that raised nothing for the company

Anthem Biosciences raised ₹3,395 crore (about $354 million at $1 ≈ ₹96.0) in one of 2025’s most heavily bid pharma IPOs — and not a single rupee of it reached the company. Every share on offer was an existing shareholder cashing out. The stock still listed at a 26.85% premium on 21 July 2025, and by September 2026 the Bengaluru contract-research firm was worth close to ₹49,000 crore.

That contradiction — a red-hot listing that raised nothing for the business — is the tell. Anthem does not need the money. It is a rare Indian pharma-services company that has grown for nearly two decades on its own cash, posts operating margins north of 40%, and quietly makes molecules for global drug firms that would rather not talk about who makes their chemistry. This is how a company started by three ex-Biocon executives became India’s most profitable listed CRDMO.

Quick facts

Company Anthem Biosciences Limited (Bengaluru, Karnataka)
Founded Incorporated 2006; operations began January 2007 at Bommasandra, Bengaluru
Founders Ajay Bhardwaj (Chairman & Managing Director), Dr Ganesh Sambasivam (Chief Scientific Officer), K Ravindra Chandrappa — all formerly with Biocon/Syngene
Businesses CRDMO (contract research, development and manufacturing) and Specialty Ingredients
Latest FY revenue ₹2,124 crore in FY26 (year to March 2026), up about 15% year on year
Latest FY profit Profit after tax ₹592 crore in FY26, up 31% year on year
Listed 21 July 2025 on NSE and BSE (ticker ANTHEM); ₹3,395 crore IPO, entirely an offer for sale
Market value About ₹49,213 crore as of 25 September 2026
Key shareholders Promoter group held above 74% after listing; private equity firm True North exited via the IPO

What Anthem does

Anthem is a CRDMO — a contract research, development and manufacturing organisation. In plain terms, global pharmaceutical and biotech companies hire Anthem to discover, develop and then physically make the chemistry behind their drugs, from a gram in a lab to tonnes in a plant. Anthem does not sell its own branded medicines. It sells the science and the manufacturing that sit behind other companies’ medicines, and it earns a fee for doing so. Its second, smaller business sells specialty ingredients it makes through fermentation — probiotics, enzymes, peptides, nutritional actives and niche generic APIs — often to the same kind of customers.

The origin

The founding insight was cost arbitrage with credibility. In the mid-2000s, Ajay Bhardwaj had watched India’s contract-research industry take shape from the inside. He began his career at Max India, then joined Biocon as one of its early employees, rising to President of Marketing and helping push the company into life sciences and contract research. He had seen, up close, that Western drug firms would pay well to move chemistry to a cheaper base — if the partner could be trusted with quality and secrecy.

In 2006 he left to build that partner himself. He brought two Biocon and Syngene colleagues who supplied what he lacked: Dr Ganesh Sambasivam, a chemist who became chief scientific officer, and K Ravindra Chandrappa, who took charge of manufacturing. Work began at a site in Bommasandra, Bengaluru, in January 2007, and the company raised its first customer invoice in July 2007. The bet was that a fermentation-and-synthesis house in India could offer Western pharma a “China alternative” — the same cost advantage, but with English-language science, respect for intellectual property, and regulator-grade quality. Nearly two decades on, that is exactly the pitch the company still makes.

The struggle years

Anthem’s hard years were not dramatic collapses; they were the slow, unglamorous grind of building trust in a business where a customer is handing you the recipe for a molecule it may spend a billion dollars commercialising. Two things made the early climb steep.

The strategic pivot that shaped the company was choosing hard chemistry over easy volume. Rather than compete purely on low-cost generic APIs, Anthem invested in fermentation and in newer, harder-to-make modalities — peptides, oligonucleotides, lipids, antibody-drug conjugate components, flow chemistry and biotransformation. Those are areas with fewer credible suppliers and fatter margins, and they are the reason Anthem’s profitability looks unusual for an Indian pharma-services firm.

The turning point

The single turning-point event was the arrival of institutional capital in 2021, which converted a founder-run specialist into an IPO-ready platform. In January 2021, private equity firm True North bought roughly a 10% stake for about ₹617.7 crore, validating the business at scale for the first time and setting a valuation marker. On one side of that event was a self-funded company known mainly to its customers; on the other was a company with a professional cap table, an expansion plan and a clear path to the public markets.

The pay-off came four years later. When Anthem listed on 21 July 2025, the ₹3,395 crore offer for sale let True North and some promoters realise their gains, the shares opened at ₹723.05 on the NSE against the ₹570 issue price — a 26.85% premium — and the company carried a market capitalisation of roughly ₹40,716 crore on debut. The business that had taken 14 years to reach its first outside investor took barely four more to become one of India’s most valuable listed CRDMOs.

The money behind it

Anthem’s funding story is short because the company barely needed funding. The important facts:

How it makes money

Anthem earns fees along the full life of a drug molecule, which is what “CRDMO” is meant to capture. The money comes in through two engines:

Where the margin sits is the part outsiders get wrong. The assumption is that Indian contract manufacturing is a thin-margin, high-volume game. Anthem’s is not: its operating margins have run in the high-30s to low-40s percent, because it leans on complex fermentation and new modalities where few suppliers can compete, rather than commodity synthesis where everyone can. The cost base is dominated by raw materials and specialised chemicals, plus scientific talent (over 1,500 employees) and the fixed cost of running cGMP-grade plants. The commercial catch is customer stickiness cutting both ways: it takes years to win a molecule, but once won, the switching cost for the customer is high — which is exactly why concentration is both Anthem’s strength and its risk.

The numbers

Four years of audited and reported consolidated results (₹ crore) show steady growth with rare-for-the-sector profitability:

Fiscal year Revenue (₹ crore) Profit after tax (₹ crore) Operating margin
FY23 1,057 385 ~41%
FY24 1,419 367 ~36%
FY25 1,845 451 ~36%
FY26 2,124 592 ~39%

The details behind the table:

Where the money comes from

The revenue mix explains both the quality of the business and its exposure. In FY25:

The surprise is the concentration underneath the growth: Anthem’s top five customers accounted for 70.92% of revenue from operations in FY25. The company that looks like a diversified services platform actually leans heavily on a handful of relationships — a structure that has powered the margins and is also the clearest thing that could go wrong.

The risks

These are drawn from the company’s own IPO disclosures, which is where the sharpest risks usually sit.

The takeaway

The transferable lesson from Anthem is that patience plus difficulty is a moat. The founders spent over a decade refusing outside money and choosing the hardest chemistry — fermentation, peptides, new modalities — precisely because it was hard to copy. That combination bought them pricing power most Indian manufacturers never get, and it let them go public on their own terms, raising nothing while their early backer cashed out at a 26.85% listing premium. The uncomfortable flip side is written into the same story: the customers who made those margins possible are few, and the supply chain that feeds them still runs partly through the country Anthem was built to replace. High-quality businesses and concentrated ones are frequently the same business, and the market is now pricing Anthem as if the good half will keep outrunning the risky half.

Frequently asked questions

What does Anthem Biosciences actually do?

It is a CRDMO — a contract research, development and manufacturing organisation. Global pharma and biotech companies pay Anthem to discover, develop and manufacture the chemistry behind their drugs, from lab scale to commercial scale. It also sells fermentation-based specialty ingredients such as probiotics, enzymes and peptides.

When did Anthem Biosciences list, and how much did it raise?

It listed on the NSE and BSE on 21 July 2025 through a ₹3,395 crore IPO that was entirely an offer for sale, so the money went to selling shareholders rather than the company. The stock debuted at ₹723.05 on the NSE against a ₹570 issue price, a 26.85% premium.

How profitable is Anthem Biosciences?

Unusually so for the sector. In FY26 (year to March 2026) it reported revenue of ₹2,124 crore, profit after tax of ₹592 crore (up 31%), and an EBITDA margin of 43.4%. Operating margins have stayed in the high-30s to low-40s percent range for years.

Who founded Anthem Biosciences?

Ajay Bhardwaj, Dr Ganesh Sambasivam and K Ravindra Chandrappa founded it in 2006, with operations starting in Bengaluru in 2007. All three came from Biocon and its contract-research arm Syngene. Bhardwaj is Chairman and Managing Director.

What is the biggest risk for Anthem Biosciences?

Customer concentration: its top five customers made up 70.92% of FY25 revenue from operations. It also depends heavily on a single China-based supplier for materials and does not hedge its large foreign-currency revenue, per its IPO disclosures.

Sources

Figures are as of September 2026. Currency converted at $1 ≈ ₹96.0 as of 18 September 2026 (Trading Economics).

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