3 Top Drone Stocks to Watch for Future Multibagger Potential: Astra Microwave, Zen Technologies and Paras Defence

Drone stocks to watch for multibagger potential start with a simple filter: size, a clean financial record and earnings that keep growing. Astra Microwave, Zen Technologies and Paras Defence meet that test, with market caps from Rs 10,331 crore to Rs 15,949 crore and Astra Microwave offering the biggest five-year price gain at 692.84%. India is ramping up drone and anti-drone procurement, and domestic makers of sensors, optics and counter-drone systems are in line for government orders.

This list covers listed Indian companies with drone, anti-drone and related defence electronics businesses, ranked by market capitalisation. Not every name here is a largecap, so the list takes the leading companies of the sector by market capitalisation. Investors screening drone stocks usually begin with size and balance sheet strength, and this list follows the same logic. All figures are as of 15 October 2026 and are drawn from NSE and BSE data and company filings.

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What Are Drone Stocks and Why Do They Attract Multibagger Interest?

Drone stocks in India are mostly defence technology companies that build drones, counter-drone systems or the sensors, optics and radio frequency systems that go into them. Their revenue comes largely from government and defence contracts executed over several quarters.

Defence indigenisation, higher capital outlays and a push for domestic drone manufacturing are the main supports for the sector. Order books show how much revenue is already lined up, so investors look closely at them when comparing drone stocks.

Drone Stocks at a Glance: Price, Market Cap, PE and ROE

Prices are as of 15 October 2026, mid-session. Zen Technologies has the lowest PE of the group at 75.92, while Astra Microwave posts the highest return on equity at 14.68%.

Stock	CMP (Rs)	Market Cap (Rs Cr)	PE	Industry PE	ROE	Debt to Equity	52-Week Range (Rs)
Astra Microwave Products	1,628.90	15,949	84.37	48.70	14.68%	0.22	851.00 to 1,960.00
Zen Technologies	1,701	14,937	75.92	48.70	10.24%	0.01	1,223.00 to 2,043.70
Paras Defence and Space Technologies	1,260	10,331	107.73	48.70	12.14%	0.04	580.50 to 1,585.00

Astra Microwave: 50.24% Profit CAGR Since FY22

Astra Microwave Products designs radio frequency and microwave subsystems for radars, missiles and electronic warfare, mainly for defence and space programmes. It reported FY26 revenue of Rs 1,181.29 crore, up 10.53% year on year, and net profit of Rs 192.97 crore, up 25.71%. Net profit has compounded at 50.24% a year since FY22, while revenue has grown 11.77% a year. Operating margin was 31.00% in FY26. The debt-to-equity ratio is 0.22.

The share price has gained 692.84% over five years and 52.37% over the past year. Domestic institutions raised their holding from 14.55% in September 2025 to 16.52% in September 2026. The stock trades at a PE of 84.37 against an industry PE of 48.70, with a return on equity of 14.68%.

Zen Technologies: 202.29% Profit CAGR Since FY22

Zen Technologies builds military simulators and training systems and has expanded into anti-drone systems. It reported FY26 revenue of Rs 773.11 crore and net profit of Rs 217.93 crore. Net profit has compounded at 202.29% a year since FY22, while revenue has grown 79.10% a year. Operating margin was 48.18% in FY26. The debt-to-equity ratio is 0.01, which keeps interest costs low.

The stock trades at a PE of 75.92 against an industry PE of 48.70. The share price has gained 615.16% over five years and 24.40% over the past year. Domestic institutions raised their holding from 8.76% in June 2025 to 10.41% in June 2026.

Paras Defence: 34.81% Profit CAGR Since FY22

Paras Defence and Space Technologies makes defence optics, electromagnetic protection systems and space optics, and has a growing drone and anti-drone portfolio. It reported FY26 revenue of Rs 492.56 crore, up 32.20% year on year, and net profit of Rs 89.45 crore, up 45.47%. Net profit has compounded at 34.81% a year since FY22, while revenue has grown 27.65% a year. Operating margin was 29.65% in FY26. The debt-to-equity ratio is 0.04, which keeps interest costs low.

In the June 2026 quarter, revenue rose 35.87% to Rs 129.85 crore and net profit grew 45.34% to Rs 20.74 crore. The share price has gained 235.84% over five years and 79.10% over the past year. Domestic institutions raised their holding from 1.47% in September 2025 to 4.63% in September 2026. The stock trades at a PE of 107.73 against an industry PE of 48.70, with a return on equity of 12.14%.

Drone Stocks: Financial Comparison on Growth and Margins

The table compares scale and growth across these drone 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)	4-Year Revenue CAGR	4-Year Net Profit CAGR	Operating Margin (Latest Quarter)
Astra Microwave	1,181.29	192.97	11.77%	50.24%	21.76%
Zen Technologies	773.11	217.93	79.10%	202.29%	38.27%
Paras Defence	492.56	89.45	27.65%	34.81%	26.46%

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Institutional Holding in Astra Microwave, Zen Technologies and Paras Defence

Institutional holding shows who is backing these drone stocks alongside the promoter. The table uses the latest reported quarter for each. Astra Microwave has the deepest institutional backing, with FII and DII together holding 27.00% as of September 2026. Domestic institutions increased their holding over the past year in Astra Microwave (from 14.55% to 16.52%), Zen Technologies (from 8.76% to 10.41%) and Paras Defence (from 1.47% to 4.63%).

Stock	Promoter	FII	DII	Public	Quarter
Astra Microwave	6.54%	10.48%	16.52%	66.47%	September 2026
Zen Technologies	48.51%	6.46%	10.41%	34.61%	June 2026
Paras Defence	53.20%	7.48%	4.63%	34.70%	September 2026

Risks to Weigh in Drone Stocks

Being careful with drone stocks means looking at what can slow the story as well as what can speed it up. Four points matter most:

• Defence orders are lumpy, so revenue can shift between quarters depending on delivery schedules.
• Many drone and defence technology names trade at high PE multiples, so earnings need to keep growing to support the price.
• Valuation: Paras Defence trades at a PE of 107.73 against an industry PE of 48.70, so earnings need to keep growing to support the price.
• Concentration: Holding all 3 names puts the allocation in one sector, so size each position to match your risk appetite.

How to Choose Between Drone Stocks

Picking from drone stocks comes down to four checks, applied in order.

1. Check balance sheet strength first, and prefer a debt-to-equity ratio below 1 for non-financial companies.
2. Compare each PE with the industry PE (48.70) and ask whether the growth rate justifies any gap.
3. Track the order book, execution pace and operating margin, because they show how much revenue is already secured.
4. Stagger entries across quarters and review institutional holding every reporting season.

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Conclusion

Among drone stocks, Astra Microwave stands out for the biggest five-year price gain at 692.84%, Zen Technologies for the fastest profit growth, 202.29% a year since FY22 and Paras Defence for the strongest latest-quarter profit growth at 45.34%. 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 drone 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.

Frequently Asked Questions on Drone Stocks to Watch

Which are the best drone stocks to watch for multibagger potential?

Ans. Astra Microwave, Zen Technologies and Paras Defence are the 3 names this list highlights, with market caps of Rs 15,949 crore, Rs 14,937 crore and Rs 10,331 crore respectively. Astra Microwave is notable for the biggest five-year price gain at 692.84%. Zen Technologies stands out for the fastest profit growth, 202.29% a year since FY22. Paras Defence offers the strongest latest-quarter profit growth at 45.34%. These are watchlist names for drone stocks, not recommendations, so match each one to your own risk profile and time horizon.

Is Astra Microwave a good stock for long-term investors?

Ans. Astra Microwave has a return on equity of 14.68%, a PE of 84.37 against an industry PE of 48.70 and a market cap of Rs 15,949 crore. Net profit has compounded at 50.24% a year since FY22, and FY26 revenue rose 10.53%. Long-term returns in drone stocks depend on earnings growth and the price paid at entry, so staggering purchases and consulting a SEBI-registered advisor is sensible.

Can Zen Technologies become a multibagger from here?

Ans. Zen Technologies has already gained 615.16% in five years, so another multi-fold move would need sustained earnings growth. A multibagger outcome in drone stocks requires earnings to keep growing faster than the market for several years. Net profit has compounded at 202.29% a year since FY22. At a PE of 75.92 against an industry PE of 48.70, valuation should be checked against that growth before investing.

What is the market cap of Astra Microwave, Zen Technologies and Paras Defence?

Ans. As of 15 October 2026, Astra Microwave has a market cap of Rs 15,949 crore, Zen Technologies has a market cap of Rs 14,937 crore and Paras Defence has a market cap of Rs 10,331 crore. Astra Microwave is the largest of the group. 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 drone stocks.

What are the risks of investing in drone stocks?

Ans. The main risks are order timing, valuation and dependence on government spending. Defence contracts can be delayed or executed in uneven quarters, and several stocks in the group trade at high PE ratios. Staggering purchases and tracking order books helps manage this. Paras Defence trades at a PE of 107.73 against an industry PE of 48.70, so earnings growth needs to hold up.

Why is Paras Defence trading at a PE of 107.73?

Ans. Paras Defence's PE of 107.73 compares with an industry PE of 48.70. The market is paying a premium for profit growth of 34.81% a year since FY22, latest-quarter profit growth of 45.34% and FY26 revenue growth of 32.20%, which also means the stock is more sensitive if growth slows. Investors in drone 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 Astra Microwave, Zen Technologies and Paras Defence?

Ans. As of the latest reported quarter, FII and DII together hold 27.00% of Astra Microwave (10.48% and 16.52%), 16.87% of Zen Technologies (6.46% and 10.41%) and 12.11% of Paras Defence (7.48% and 4.63%). Rising institutional holding is a useful signal in drone stocks, though it should be read with earnings trends rather than on its own.