4 Midcap Improving Quarterly Operating Margin Stocks to Watch for Future Multibagger Potential: Oil India, NALCO, Aegis Logistics and Hindustan Copper
- October 29, 2026
- Posted by: Manan Bisht
- Category: Best Stocks
Oil India Rs 447.50. NALCO Rs 323.50. Aegis Logistics Rs 1,182.90. Hindustan Copper Rs 409.15. Market caps from Rs 40,647 crore to Rs 71,253 crore. Data as of 28 Oct 2026.
Quick Answer
Oil India, NALCO, Aegis Logistics and Hindustan Copper are the 4 picks in this improving quarterly operating margin stocks watchlist, with market caps between Rs 40,647 crore and Rs 71,253 crore. Oil India stands out for the lowest PE of the group at 7.47, while NALCO offers a nearly debt-free balance sheet, with a debt-to-equity ratio of 0.00. PE ratios run from 7.47 to 35.78, so compare each one with its industry PE before investing. All figures are as of 28 October 2026.
Improving quarterly operating margin stocks to watch for multibagger potential start with a simple filter: size, a clean financial record and earnings that keep growing. Oil India, NALCO, Aegis Logistics and Hindustan Copper meet that test, with market caps from Rs 40,647 crore to Rs 71,253 crore and Oil India offering the lowest PE of the group at 7.47. Each of these companies has a market capitalisation between Rs 30,000 crore and Rs 1,00,000 crore and a latest quarter operating margin at least 2 percentage points above the FY26 operating margin, a return on equity of at least 10 per cent and profit growth in FY26 and in the latest quarter, and net profit rose in FY26 and in the latest quarter.
This list covers companies with a market capitalisation between Rs 30,000 crore and Rs 1,00,000 crore and a latest quarter operating margin at least 2 percentage points above the FY26 operating margin, a return on equity of at least 10 per cent and profit growth in FY26 and in the latest quarter, rising profit in FY26 and the latest quarter, and complete, verifiable financials, ranked by market capitalisation. Each company has a market cap between Rs 30,000 crore and Rs 1 lakh crore. Investors screening improving quarterly operating margin stocks usually begin with size and balance sheet strength, and this list follows the same logic. All figures are as of 28 October 2026 and are drawn from NSE and BSE data and company filings.
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What Are Improving Quarterly Operating Margin Stocks and Why Do They Attract Multibagger Interest?
Improving quarterly operating margin stocks are shares of mid sized companies whose operating margin in the latest quarter is clearly higher than the margin for the full financial year, a sign that profitability is improving. The four here cover oil and gas exploration, aluminium, gas logistics and copper mining.
A higher operating margin in the latest quarter means the company keeps more from each rupee of sales, and continued profit growth shows that the gain is real and not a one-off. For improving quarterly operating margin stocks, both FY26 and the latest quarter showed growth. Whichever way you read improving quarterly operating margin stocks, the common thread is rising profit backed by complete financial data. For improving quarterly operating margin stocks, checking each result against the latest quarter matters more than any single ratio. The next sections explain what stands out in each of improving quarterly operating margin stocks, using FY26 and latest quarter data. Prices move daily, so recheck the figures for improving quarterly operating margin stocks before you decide.
Improving Quarterly Operating Margin Stocks at a Glance: Price, Market Cap, PE and ROE
Prices are closing prices as of 28 October 2026. Oil India has the lowest PE of the group at 7.47, while Hindustan Copper posts the highest return on equity at 27.48%.
| Stock | CMP (Rs) | Market Cap (Rs Cr) | PE | Industry PE | ROE | Debt to Equity | 52-Week Range (Rs) |
|---|---|---|---|---|---|---|---|
| Oil India | 447.50 | 71,253 | 7.47 | 7.16 | 11.41% | 0.65 | 395.60 to 531.00 |
| National Aluminium Company | 323.50 | 61,109 | 9.06 | 12.46 | 26.83% | 0.00 | 222.71 to 445.15 |
| Aegis Logistics | 1,182.90 | 43,950 | 29.78 | 54.37 | 14.83% | 0.69 | 576.10 to 1,528.70 |
| Hindustan Copper | 409.15 | 40,647 | 35.78 | 12.27 | 27.48% | 0.03 | 308.50 to 760.05 |
Oil India: Quarterly Profit Up 96.77%
Oil India is a government-owned oil and gas exploration and production company with operations in Assam, Rajasthan and overseas blocks. It reported FY26 revenue of Rs 35,877.28 crore, up 4.97% year on year, and net profit of Rs 7,550.67 crore, up 7.26%. Revenue has compounded at 7.32% a year since FY22. Operating margin was 36.43% in FY26.
In the June 2026 quarter, revenue rose 46.98% to Rs 13,236.10 crore and net profit grew 96.77% to Rs 4,026.83 crore. The share price has gained 183.64% over five years. Domestic institutions raised their holding from 18.41% in June 2025 to 20.14% in June 2026. The stock trades at a PE of 7.47 against an industry PE of 7.16. The dividend yield is 2.62%.
NALCO: Return on Equity of 26.83%
National Aluminium Company is a government-owned, integrated bauxite-to-aluminium producer with operations in Odisha. It reported FY26 revenue of Rs 18,508.88 crore, up 7.96% year on year, and net profit of Rs 5,797.01 crore, up 10.04%. Net profit has compounded at 18.38% a year since FY22, while revenue has grown 6.33% a year. Operating margin was 48.16% in FY26. The debt-to-equity ratio is 0.00, which keeps interest costs low.
The stock trades at a PE of 9.06 against an industry PE of 12.46, below the sector average, with a return on equity of 26.83%. The dividend yield is 3.45%. In the June 2026 quarter, revenue rose 39.31% to Rs 5,475.68 crore and net profit grew 90.87% to Rs 2,003.14 crore. The share price has gained 160.35% over five years and 39.86% over the past year. Foreign investors raised their holding from 15.06% in June 2025 to 21.99% in June 2026.
Aegis Logistics: 30.21% Profit CAGR Since FY22
Aegis Logistics stores and handles liquid and gas products at port terminals and distributes LPG. It reported FY26 revenue of Rs 8,659.79 crore, up 24.21% year on year, and net profit of Rs 1,106.63 crore, up 40.54%. Net profit has compounded at 30.21% a year since FY22, while revenue has grown 16.70% a year. Operating margin was 21.34% in FY26.
In the June 2026 quarter, revenue rose 38.23% to Rs 2,463.17 crore and net profit grew 210.70% to Rs 544.84 crore. The share price has gained 505.66% over five years and 70.64% over the past year. Foreign investors raised their holding from 16.88% in September 2025 to 19.13% in September 2026. The stock trades at a PE of 29.78 against an industry PE of 54.37, below the sector average, with a return on equity of 14.83%.
Hindustan Copper: 25.25% Profit CAGR Since FY22
Hindustan Copper is a government-owned company that mines copper ore and produces refined copper in India. It reported FY26 revenue of Rs 3,149.67 crore, up 46.62% year on year, and net profit of Rs 920.66 crore, up 96.97%. Net profit has compounded at 25.25% a year since FY22, while revenue has grown 13.89% a year. Operating margin was 46.74% in FY26. The debt-to-equity ratio is 0.03, which keeps interest costs low.
The stock trades at a PE of 35.78 against an industry PE of 12.27, with a return on equity of 27.48%. In the June 2026 quarter, revenue rose 81.07% to Rs 953.60 crore and net profit grew 162.59% to Rs 352.61 crore. The share price has gained 205.23% over five years and 33.08% over the past year. Foreign investors raised their holding from 3.71% in June 2025 to 5.96% in June 2026.
Improving Quarterly Operating Margin Stocks: Financial Comparison on Growth and Margins
The table compares scale and growth across these improving quarterly operating margin stocks. Latest quarter means the most recent reported quarter for each company, and only metrics that are positive for every company are shown.
| Stock | Revenue (Rs Cr) | Net Profit (Rs Cr) | Revenue Growth (YoY) | 4-Year Revenue CAGR | 4-Year Net Profit CAGR | Operating Margin (Latest Quarter) |
|---|---|---|---|---|---|---|
| Oil India | 35,877.28 | 7,550.67 | 4.97% | 7.32% | 2.96% | 49.06% |
| NALCO | 18,508.88 | 5,797.01 | 7.96% | 6.33% | 18.38% | 54.34% |
| Aegis Logistics | 8,659.79 | 1,106.63 | 24.21% | 16.70% | 30.21% | 34.79% |
| Hindustan Copper | 3,149.67 | 920.66 | 46.62% | 13.89% | 25.25% | 56.02% |
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Institutional Holding in Oil India, NALCO, Aegis Logistics and Hindustan Copper
Institutional holding shows who is backing these improving quarterly operating margin stocks alongside the promoter. The table uses the latest reported quarter for each. NALCO has the deepest institutional backing, with FII and DII together holding 33.21% as of June 2026. Domestic institutions increased their holding over the past year in Oil India (from 18.41% to 20.14%).
| Stock | Promoter | FII | DII | Public | Quarter |
|---|---|---|---|---|---|
| Oil India | 56.66% | 7.28% | 20.14% | 15.93% | June 2026 |
| NALCO | 51.28% | 21.99% | 11.22% | 15.51% | June 2026 |
| Aegis Logistics | 58.10% | 19.13% | 4.01% | 18.77% | September 2026 |
| Hindustan Copper | 66.14% | 5.96% | 4.84% | 23.06% | June 2026 |
Risks to Weigh in Improving Quarterly Operating Margin Stocks
Being careful with improving quarterly operating margin stocks means looking at what can slow the story as well as what can speed it up. Four points matter most:
- Past growth may not repeat.
- Share prices can move sharply in either direction.
- Valuation: Hindustan Copper trades at a PE of 35.78 against an industry PE of 12.27, so earnings need to keep growing to support the price.
- Concentration: Holding all 4 names puts the allocation in one sector, so size each position to match your risk appetite.
How to Choose Between Improving Quarterly Operating Margin Stocks
Picking from improving quarterly operating margin stocks comes down to four checks, applied in order.
- Check balance sheet strength first, and prefer a debt-to-equity ratio below 1 for non-financial companies.
- Compare each PE with the industry PE (7.16 to 54.37) and ask whether the growth rate justifies any gap.
- Track net profit growth, the operating margin and the return on equity in every quarterly result.
- Stagger entries across quarters and review institutional holding every reporting season.
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Conclusion
Among improving quarterly operating margin stocks, Oil India stands out for the lowest PE of the group at 7.47, NALCO for a nearly debt-free balance sheet, with a debt-to-equity ratio of 0.00, Aegis Logistics for the fastest profit growth, 30.21% a year since FY22 and Hindustan Copper for the highest return on equity at 27.48%. Which one suits a portfolio depends on how much valuation risk it can carry, so staggering entries and reviewing each quarterly result is a sound habit. Investors comparing improving quarterly operating margin stocks should rank them on growth, financial strength and the price paid, and anyone who wants personalised guidance can consult a SEBI-registered advisor before acting.
Disclaimer: Data and figures in this article are sourced from publicly available information. These may or may not be accurate. Please verify all data with the official NSE (nseindia.com) and BSE (bseindia.com) websites before making any investment decision. Investments in securities are subject to market risk. This content is for educational purposes only and is not investment advice by Univest (SEBI RA INH000013776).
Frequently Asked Questions on Improving Quarterly Operating Margin Stocks to Watch
Which are the best improving quarterly operating margin stocks to watch for multibagger potential?
Ans. Oil India, NALCO, Aegis Logistics and Hindustan Copper are the 4 names this list highlights, with market caps of Rs 71,253 crore, Rs 61,109 crore, Rs 43,950 crore and Rs 40,647 crore respectively. Oil India is notable for the lowest PE of the group at 7.47. NALCO stands out for a nearly debt-free balance sheet, with a debt-to-equity ratio of 0.00. Aegis Logistics offers the fastest profit growth, 30.21% a year since FY22. Hindustan Copper brings the highest return on equity at 27.48%. These are watchlist names for improving quarterly operating margin stocks, not recommendations, so match each one to your own risk profile and time horizon.
Is Hindustan Copper a good stock for long-term investors?
Ans. Hindustan Copper has a return on equity of 27.48%, a PE of 35.78 against an industry PE of 12.27 and a market cap of Rs 40,647 crore. Net profit has compounded at 25.25% a year since FY22, and FY26 revenue rose 46.62% while June 2026 quarter net profit grew 162.59%. Long-term returns in improving quarterly operating margin stocks depend on earnings growth and the price paid at entry, so staggering purchases and consulting a SEBI-registered advisor is sensible.
Can Aegis Logistics become a multibagger from here?
Ans. Aegis Logistics has already gained 505.66% in five years, so another multi-fold move would need sustained earnings growth. A multibagger outcome in improving quarterly operating margin stocks requires earnings to keep growing faster than the market for several years. Net profit has compounded at 30.21% a year since FY22, and FY26 revenue rose 24.21%. At a PE of 29.78 against an industry PE of 54.37, valuation should be checked against that growth before investing.
What is the market cap of Oil India, NALCO, Aegis Logistics and Hindustan Copper?
Ans. As of 28 October 2026, Oil India has a market cap of Rs 71,253 crore, NALCO has a market cap of Rs 61,109 crore, Aegis Logistics has a market cap of Rs 43,950 crore and Hindustan Copper has a market cap of Rs 40,647 crore. All of them qualify as midcaps. Market cap changes daily with the share price, so check the latest figure on the Univest Screener or on NSE before taking a decision on improving quarterly operating margin stocks.
What are the risks of investing in improving quarterly operating margin stocks?
Ans. The main risks are market swings, slower growth than expected and valuations that already reflect good news. Companies with strong balance sheets and steady earnings handle these better. Hindustan Copper trades at a PE of 35.78 against an industry PE of 12.27, so earnings growth needs to hold up.
Why is Hindustan Copper trading at a PE of 35.78?
Ans. Hindustan Copper’s PE of 35.78 compares with an industry PE of 12.27. The market is paying a premium for a return on equity of 27.48%, profit growth of 25.25% a year since FY22 and latest-quarter profit growth of 162.59%, which also means the stock is more sensitive if growth slows. Investors in improving quarterly operating margin stocks who are comfortable with higher valuation risk may prefer to stagger purchases instead of investing in one go.
How much do institutions hold in Oil India, NALCO, Aegis Logistics and Hindustan Copper?
Ans. As of the latest reported quarter, FII and DII together hold 27.42% of Oil India (7.28% and 20.14%), 33.21% of NALCO (21.99% and 11.22%), 23.14% of Aegis Logistics (19.13% and 4.01%) and 10.80% of Hindustan Copper (5.96% and 4.84%). Rising institutional holding is a useful signal in improving quarterly operating margin stocks, though it should be read with earnings trends rather than on its own.
