What Are Bonus Shares? Meaning and Impact on Investors

Written by Pradnya Surana

Published on October 01, 2025 | 9 min read

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Key Takeaways

  • Bonus shares are free additional shares issued by a company to its existing shareholders in proportion to their current holdings.
  • If a company announces a 1:1 bonus, you receive one additional share for every share you hold.
  • The share price adjusts downward proportionally and your total investment value remains unchanged on the day of issue.
  • Bonus shares do not cost you anything and are not taxable at the time of receipt.

When a company makes profits over time, those profits either get distributed to shareholders as dividends or retained within the company as reserves and surplus on the balance sheet. Over a few profitable years, these reserves can accumulate to very large amounts. A bonus issue is one way companies use those accumulated reserves. The company converts a portion of its free reserves or share premium account into share capital and distributes the resulting new shares to existing shareholders free of cost. The shareholder gets more shares, the company's reserve account reduces and the share capital account increases by an equivalent amount. There is no exchange of cash A bonus share issue is a transfer within the company's own balance sheet, not a payment out of the company to its shareholders.

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Ex-Bonus Date

The ex-bonus date is the cut-off date from which the stock starts trading without the benefit of the bonus shares. Investors who buy the stock on or after this date are not eligible to receive the bonus shares, while those who hold it before this date are eligible.

Why Do Companies Issue Bonus Shares

Companies announce bonus issues for several reasons.

Affordability and Liquidity - When a stock’s price has risen significantly over years, it can deter smaller retail investors. A bonus issue increases the number of shares in circulation and reduces the per-share price proportionally, thereby making the stock more accessible to a wider pool of investors and improving daily trading volumes.

Growth Confidence - Companies announce bonus shares when they are confident about future earnings and growth. A struggling business does not distribute bonus shares. The announcement therefore carries a positive signal to the market about the company's financial health and outlook.

Loyalty Reward - A bonus issue allows the company to reward loyal long-term shareholders without paying out cash. For companies that prefer to retain cash for growth or capital expenditure, a bonus issue is a way to acknowledge shareholder value without reducing the cash on the balance sheet.

Bonus Share Ratio: How to read it

The bonus ratio tells you how many additional shares you receive for each share you currently hold.

Bonus RatioShares Held BeforeBonus Shares ReceivedTotal Shares After
1:1100100200
1:210050150
2:1100200300
3:1100300400

The ratio is read as bonus shares: existing shares. A 2:1 bonus means you receive 2 additional shares for every 1 share you hold. A 1:2 bonus means you receive 1 additional share for every 2 shares you hold.

What Happens To The Share Price After a Bonus Issue

The share price adjusts downward on the ex-bonus date to reflect the increased number of shares in circulation. The adjustment is proportional to the bonus ratio. If a stock trades at ₹1,000 and the company announces a 1:1 bonus, the share price on the ex-bonus date becomes ₹500. Your holding doubles in quantity, the price halves and your total investment value stays the same. Important note - Receiving bonus shares does not increase your corpus on the day of issue. The growth in corpus happens subsequently, if the company continues to perform well and the share price rises from the adjusted level over time.

Difference Between Bonus Shares and Stock Split

These two corporate actions look similar on the surface because both result in more shares at a lower price. The difference lies in the accounting treatment.

ParameterBonus SharesStock Split
How new shares are createdReserves converted into share capitalExisting shares subdivided
Effect on face valueFace value unchangedFace value reduces proportionally
Effect on share capitalIncreasesUnchanged
Effect on reservesDecreasesUnchanged
Cash outflow for companyNoneNone
Cash outflow for investorNoneNone
Tax at time of receiptNot taxableNot taxable
Cost of acquisitionZero for bonus sharesAdjusted proportionally

The important distinction for investors is the cost of acquisition. When you receive bonus shares, the cost of acquisition of those additional shares is zero. When a stock splits, your original cost is simply spread across more shares at a lower face value.

Tax Treatment of Bonus Shares in India

Bonus shares are not taxable at the time of receipt. You do not pay any income tax or capital gains tax simply because bonus shares are credited to your Demat account.

However, the tax treatment on eventual sale is important to understand.

The cost of acquisition of bonus shares is taken as zero for tax purposes. This means that when you sell bonus shares, the entire sale proceeds are treated as capital gains, with no cost to deduct. The holding period for bonus shares begins on the date they are credited to your Demat account, not from the date you originally purchased the underlying shares. If you sell bonus shares in an equity company after holding them for more than 12 months from the date of credit, the gains are treated as long-term capital gains and taxed at 12.5% on gains above ₹1.25 lakh per year. If sold within 12 months, gains are treated as short-term capital gains and taxed at 20%.

The Regulatory Process Behind a Bonus Issue

A bonus issue in India follows a regulatory process, which is defined and governed by the Securities and Exchange Board of India (SEBI) and the Companies Act, 2013.

The company's Board of Directors first approves the bonus issue and determines the ratio. Shareholders then ratify the decision, either through a postal ballot or an Extraordinary General Meeting (EGM). The company then notifies the stock exchanges under SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, commonly known as SEBI LODR.

The exchanges announce the record date, which is the cut-off date to determine eligible shareholders. The depositories, NSDL and CDSL, working with the company's Registrar and Transfer Agent (RTA), credit the bonus shares to eligible investors' Demat accounts by the record date. Under SEBI rules, a company cannot issue bonus shares if it has convertible debentures outstanding, unless it also sets aside equivalent shares for those debenture holders.

Few Example Bonus Issues by Indian Companies

Several well-known Indian companies have announced bonus issues in recent years. This has historically signalled management confidence and rewarded long-term shareholders.

CompanyBonus RatioYear
Tata Consultancy Services1:12022
Infosys1:12018
Hindustan Unilever1:12015
HDFC Bank1:12019
Bajaj Finance1:12024

Always verify bonus issue details from official NSE or BSE announcements before making any investment decisions based on corporate action information.

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On receiving bonus shares, total investment value does not change the moment they are credited. If you held 100 shares at ₹ 500 each, your portfolio was worth ₹50,000. After a 1:1 bonus, you hold 200 shares at ₹250 each. Still ₹50,000. The benefit of bonus shares plays out over time, if the company continues to grow and the stock price recovers. Understanding this distinction is what separates informed investors from disappointed ones.

Frequently Asked Questions

Are bonus shares really free?

Yes, in the sense that you pay nothing to receive them. They come from the company's own accumulated reserves and the share price adjusts downward proportionally on the ex-bonus date. Your total holding value remains unchanged on the day of issue.

Do I need to do anything to receive bonus shares?

No. If you hold the shares on the record date, bonus shares are automatically credited to your Demat account. No application, payment or action is required from your side.

Can I sell my original shares and still receive the bonus?

No. You must hold the shares on the record date to be eligible. If you sell your original shares before the record date, you will not receive the bonus. If you buy shares after the ex-bonus date, you also will not receive the bonus for that particular issue.

What is the difference between a bonus issue and a dividend?

A dividend is a cash payment made out of the company's profits to shareholders. A bonus issue gives shareholders additional shares instead of cash. A dividend reduces the company's cash balance. A bonus issue reduces the company's reserves but does not involve any cash outflow.

Does a bonus issue mean the company is performing well?

Generally yes. Companies announce bonus issues when they have accumulated substantial reserves and are confident about future performance. However, a bonus issue is not a guarantee of future returns. Always assess the company's fundamentals independently before drawing conclusions from a corporate action.

How does a bonus issue affect my SIP in a mutual fund holding that stock?

If a mutual fund in your SIP holds a stock that announces a bonus issue, the fund's NAV adjusts automatically. Your SIP amount, unit count and overall investment value are unaffected.

Can a loss-making company issue bonus shares?

No. Under the Companies Act, 2013, bonus shares can only be issued out of free reserves, the securities premium account, or the capital redemption reserve. A company with no accumulated profits or reserves cannot issue bonus shares.

Disclaimer: This article is for informational purposes only and does not constitute investment advice. Tax rules and regulatory provisions referenced are as of May 2026 and subject to change. Always verify corporate action details through official NSE or BSE announcements. Readers should consult a SEBI-registered investment adviser before making investment decisions.

About Author

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Pradnya Surana

Sub-Editor

is an engineering and management graduate with 12 years of experience in India’s leading banks. With a natural flair for writing and a passion for all things finance, she reinvented herself as a financial writer. Her work reflects her ability to view the industry from both sides of the table, the financial service provider and the consumer. Experience in fast paced consumer facing roles adds depth, clarity and relevance to her writing.

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Upstox is a leading Indian financial services company that offers online trading and investment services in stocks, commodities, currencies, mutual funds, and more. Founded in 2009 and headquartered in Mumbai, Upstox is backed by prominent investors including Ratan Tata, Tiger Global, and Kalaari Capital. It operates under RKSV Securities and is registered with SEBI, NSE, BSE, and other regulatory bodies, ensuring secure and compliant trading experiences.

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