IOI Properties Set to Join KLCI: Sime Darby Faces Removal After 88% Surge

On 30 April 2026, CIMB Securities issued a research note that quickly became front-page business news across Malaysian media: IOI Properties Group Berhad (IOIPG, 5249) is poised for inclusion in the FBM KLCI in the upcoming June 2026 semi-annual review, replacing Sime Darby Berhad (SIME, 4197), currently the smallest constituent in the index by market capitalisation.

For Bursa Malaysia investors, this is more than a name swap on a list. It means passive funds tracking the KLCI will be forced to buy IOIPG and sell SIME automatically. It also signals a structural shift in the FBM KLCI's sector mix - from industrial conglomerates toward modern real estate.

This article unpacks what is actually happening, why it is happening, how the KLCI selection process works, a head-to-head comparison of both stocks, and what retail investors should consider before making any moves.

What CIMB Securities Actually Said

In a research note authored by Ivy Ng Lee Fang, CIMB Securities' head of equity research, she stated:

"Under FBM KLCI ground rules, a stock becomes eligible for inclusion if it ranks 25th or higher by market cap, suggesting IOI Properties is poised for FBM KLCI inclusion."

As of 30 April 2026, IOIPG had climbed to 24th place among securities eligible for FBM KLCI consideration, ranked by market capitalisation. This position was achieved after IOIPG shares surged nearly 88% since the previous KLCI review cut-off date of 24 November 2025, as reported by The Edge Malaysia and The Star.

Critically: to actually be included, IOIPG must maintain its top 25 ranking through 25 May 2026 - the cut-off date for the June 2026 review. Any sharp price decline in the next four weeks could push IOIPG out of the qualifying zone.

CIMB also estimates that if included, IOIPG would carry an index weight of approximately 1.05%, while Sime Darby Berhad (4197) - currently the smallest KLCI constituent - holds a 1.37% weight.

The 88% Surge in 5 Months: What Triggered It?

IOIPG's 88% rally in less than half a year is not a typical move for a large-cap property company. Three key catalysts stand out:

First, Shariah-compliant status. In May 2025, the Securities Commission Malaysia officially added IOIPG to its list of Shariah-compliant securities after the company's conventional debt-to-total-assets ratio dropped to 32.6% in FY2024 - below the SC's Shariah-compliance threshold. This unlocked institutional pools that can only invest in Shariah-compliant stocks, including PNB and EPF Shariah mandates.

Second, the REIT IPO plan. IOIPG is preparing to launch IOIPG Malaysia REIT, which will be listed on Bursa Malaysia's Main Market. The trust is structured with RM7.58 billion in asset value, an initial fund size of 5.5 billion units, and a target capital raise of up to RM2 billion. Key properties to be injected include IOI City Mall and IOI City Park - two of the strongest cash-generating assets in the group's portfolio. (We have covered the full breakdown in our article IOI Properties REIT IPO Strategy: A New Catalyst to Lift Share Price?.)

Third, early analyst confirmation. As far back as late 2025, Hong Leong Investment Bank (HLIB) had already forecast IOIPG's potential KLCI entry based on the Shariah achievement and REIT announcement. Forward-looking calls like these often become self-fulfilling prophecies - investors front-run the inclusion, prices rise, and the stock eventually qualifies for real.

The combination of these three catalysts has transformed IOIPG from a regular property stock into a serious KLCI candidate.

What Is the FBM KLCI and Why It Matters

The FBM KLCI (FTSE Bursa Malaysia Kuala Lumpur Composite Index) is the primary benchmark index for the Malaysian stock market. It represents the performance of the 30 largest companies listed on Bursa Malaysia's Main Market by free-float-adjusted market capitalisation.

For a deeper look at the structure and history of the index, see our article: What Is the FBM KLCI Index?.

What makes the KLCI critical isn't just retail relevance - it is wired into the entire financial ecosystem:

• EPF, PNB, KWAP, and foreign funds often use the KLCI as a benchmark to measure performance
• Local ETFs like FBM30 ETF (0823EA) track the index directly
• Global passive funds with Malaysia exposure use KLCI composition as guidance
• General market sentiment is communicated through KLCI movement - when people say "Bursa is up" or "Bursa is down," they usually mean the KLCI

This is why a KLCI constituent change isn't merely a technical issue - it has real-dollar implications for the stocks being added and removed.

How Are Stocks Selected for the KLCI? (Methodology Brief)

The FBM KLCI is run by FTSE Russell jointly with Bursa Malaysia under a clearly defined set of rules called Ground Rules. The key eligibility criteria:

1. Market Cap Rank (Top 25 Rule)

To be considered for inclusion, a stock must rank 25th or higher among eligible securities by free-float-adjusted full market cap. Existing constituents are removed if their rank drops to 35 or lower. This buffer system - known as the 25/35 rule - is designed to reduce excessive turnover.

2. Minimum 15% Free Float

At least 15% of issued shares must be available for public trading (i.e., not held by excluded major shareholders).

3. Liquidity Requirement

Median monthly trading volume must be at least 0.04% of issued shares for 8 of the 12 most recent months. Thinly traded stocks won't qualify even with large market caps.

4. Reserve List

FTSE Russell maintains a reserve list - the top 5 non-constituents that step in if a fast-entry event occurs (e.g., a current constituent gets suspended or delisted).

5. Semi-Annual Review

The index is reviewed twice a year - June and December - using market cap data on the last trading day of May and November. So 25 May 2026 performance will determine the June 2026 KLCI composition.

Key Timeline: What Happens and When

For the June 2026 review cycle, FTSE Russell and Bursa Malaysia have set the following schedule:

The effective date matters for passive funds. On that date (or earlier in implementation week), KLCI-tracking funds will be forced to rebalance - sell the stock being removed, buy the stock being added. This typically happens within a tight window and can create distinct price pressures.

For comparison, in the December 2025 KLCI review, no constituent changes were recorded. This makes the potential June 2026 change relatively more significant.

IOI Properties (5249) vs Sime Darby (4197): Stock Comparison

Let's understand the actual profile of both companies - beyond just market cap numbers.

IOI Properties Group Berhad (IOIPG, 5249)

• Sector: Real estate - developer, property management, REIT (upcoming)
• Market cap (Apr 2026): ~RM17.3 billion
• Shariah status: Shariah-compliant (since May 2025)
• Business profile: Major township developer (IOI Resort City Putrajaya), malls (IOI City Mall - largest in Malaysia), commercial development (IOI Central Boulevard in Singapore)
• Major shareholder: Lee Shin Cheng family (via Vertical Capacity)
• Estimated KLCI weight: ~1.05%
• In-depth stock research: See IOIPG 5249 analysis on mahersaham.com

Sime Darby Berhad (SIME, 4197)

• Sector: Conglomerate - automotive (BMW, Hyundai, Porsche, etc.), industrial equipment (Caterpillar), logistics
• Market cap (Mar 2026): ~RM14-16 billion
• Shariah status: Shariah-compliant
• Business profile: Vehicle distribution (Asia Pacific), heavy equipment distribution for mining and construction, logistics services
• Major shareholder: PNB (via ASB and other Bumiputera unit trust funds - over 50%)
• Current KLCI weight: ~1.37%

Key Similarities and Differences

Similarities: Both are Shariah-compliant, both are long-time Bursa constituents, and both sit in the RM14-17 billion market cap zone.

Key differences:

1. Business: IOIPG = property/REIT (defensive, dividend-yielding, asset-heavy), SIME = automotive/industrial (cyclical, sensitive to capital spending)
2. Free float: SIME has a higher free float thanks to PNB's distribution across funds, while IOIPG remains concentrated with the founding family
3. Future catalysts: IOIPG has the upcoming REIT IPO (Q3-Q4 2026), SIME depends on automotive demand recovery

This leads to a question many retail investors are puzzled by...

Why Is IOIPG's KLCI Weight Lower Even Though Market Cap Is Higher?

On the surface, this seems odd:

• IOIPG full market cap: ~RM17 billion
• SIME full market cap: ~RM14-16 billion
• But estimated KLCI weight: IOIPG 1.05% vs SIME 1.37%

How can a larger company have a lower index weight?

Answer: the FBM KLCI methodology uses free-float-adjusted market cap, not full market cap.

Free-float adjustment excludes: - Shares held by directors and major shareholders (>5% with long-term control) - Strategic holdings (government, exempted pension funds) - Restricted shares not available for trading

For IOIPG, the Lee founding family holds a substantial portion of the company. These holdings are excluded from free-float calculations, so even with full market cap of RM17 billion, only a smaller portion is "tradable" and counts toward KLCI weighting.

By contrast, SIME has a more diversified shareholder structure - PNB holds via various ASB/ASN/ASW funds, much of which is treated as free float relative to direct sovereign holdings.

For retail investors, the implications: - Lower KLCI weight = less forced buying by passive funds despite the larger headline size - Rebalancing price pressure may not be as large as expected, compared to inclusion of a high-free-float stock - This is also why KLCI inclusion does not necessarily guarantee long-term price appreciation

Market Implications: Passive Fund Flow

When a stock is added to the KLCI, funds tracking the index are forced to buy to maintain portfolio composition aligned with the benchmark. This is called passive flow.

Categories of funds that will be forced to rebalance:

1. Local ETFs - FBM30 ETF (0823EA, MyETF Dow Jones US Titans 50) - Funds that track KLCI directly - Total AUM is relatively small in Bursa Malaysia (under RM500 million), so direct passive flow is limited

2. Local Institutional Funds - EPF, PNB, KWAP via index-tracking or enhanced indexing mandates - This is the largest influence - even though these funds are active managed, they often need to maintain near-benchmark exposure to avoid large tracking errors

3. Foreign Funds - Funds tracking MSCI Malaysia or FTSE Emerging Markets (partial, not directly tracking KLCI) - These flows are smaller and delayed

For useful context on this article, see our discussion on ETFs and the FBM KLCI to understand the local ETF landscape.

What typically happens on the effective rebalancing day: - Forced buying for the new entrant - can spike prices temporarily - Forced selling for the exit stock - can pressure prices temporarily - After the implementation day, price action often normalises within 1-2 weeks

What Retail Investors Should Do (Playbook)

Here's the most important part - what should retail investors actually consider?

Strategy 1: Buy IOIPG Before Rebalancing (Pre-Inclusion Trade)

Logic: Buy before passive funds are forced to buy, sell on the implementation day for a profit.

Risks: - The 88% rally has already happened - much of the anticipation is already priced in - If IOIPG slips out of the top 25 before 25 May, the price could fall sharply - Front-running this trade is now crowded - profit margins are shrinking

Decision: Be cautious. If you already hold a position, consider trimming before 25 May to lock in profit. If you're not in yet, the risk/reward is no longer attractive at current price levels.

Strategy 2: Sell SIME Before Removal

Logic: Forced selling by passive funds can pressure the price - sell early to avoid it.

Reality: - SIME has more defensive characteristics - PNB shareholders won't dump fully - Selling pressure may be limited by Malaysia's local fund ecosystem - After removal, SIME may underperform temporarily, but won't collapse

Decision: Long-term SIME holders focused on fundamentals (dividends, automotive recovery) need not panic. Tactical/momentum traders may consider trimming exposure before 22 June.

Strategy 3: Wait and See

The most conservative approach: - Wait until after the effective date (22 June 2026) - Let the rebalancing flow settle - Buy IOIPG after the price stabilises if fundamentals still appeal - Buy SIME after the forced selling passes if fundamentals remain solid

This is what we recommend for long-term investors - don't let an index event drive your investment decisions. Company fundamentals matter more than index weight.

Strategy 4: Do Nothing

If you hold IOIPG or SIME as part of a long-term portfolio and the original investment thesis remains intact, doing nothing is a valid choice. The KLCI swap is a technical index event - it does not change the underlying business of either company.

Risks and Important Considerations

While the CIMB call looks strong, several risks warrant attention:

1. IOIPG Could Slip Out of Top 25

Between 1 May and 25 May 2026, if IOIPG's price drops materially - perhaps from a broad market correction, REIT IPO snags, or negative property sector news - the top 25 ranking could be lost. This would scrap the inclusion case.

2. Other Candidates Could Emerge

CIMB focuses on IOIPG, but there are other candidates on the reserve list who could surface - including companies that may experience sudden market cap surges. Players like Genting Plantations, Eco World Development, or newer tech names could come into play.

3. A Different Stock Might Be Removed

Although CIMB suggests SIME is most likely to exit (currently 30th, the smallest), it's possible a larger constituent with a sharp ranking decline could be removed instead.

4. Post-Inclusion Price Doesn't Always Rise

Academic studies show many stocks added to major indices experience post-inclusion drift - underperformance after the implementation day, because anticipation buying has ended. This is especially true for stocks that have already rallied sharply pre-inclusion (like IOIPG with +88%).

5. Market Cap Doesn't Equal KLCI Weight

As explained earlier, IOIPG's higher full market cap does not translate to larger passive flow. The 1.05% vs 1.37% weight comparison means buying pressure for IOIPG may actually be smaller than the selling pressure on SIME.

FAQ: Common Questions About the IOIPG KLCI Inclusion

1. When exactly will IOIPG enter the KLCI?

The final results announcement is on 4 June 2026. The effective date for the constituent change is after market close on 19 June 2026 (Friday), with the official rebalancing implementation on 22 June 2026 (Monday).

2. Is IOIPG's inclusion guaranteed?

No. IOIPG must maintain its top 25 ranking through 25 May 2026 based on free-float-adjusted market cap. Any meaningful price decline before then could disqualify it.

3. What's the difference between Sime Darby Berhad (4197) and Sime Darby Property (5288)?

Sime Darby Berhad (SIME, 4197) is a conglomerate focused on automotive (BMW, Porsche, Hyundai) and industrial equipment (Caterpillar). Sime Darby Property (SIMEPROP, 5288) is a real estate developer - a separate company. The one being removed from the KLCI is SIME (4197), not SIMEPROP.

4. Should I buy IOIPG now to profit from the rebalancing?

The stock has already surged 88% since November 2025, so much of the anticipation is already priced in. The risk-reward for front-running trades is no longer attractive at current levels. Consider company fundamentals (REIT IPO, Malaysia property outlook) before deciding.

5. How much passive money will be forced to buy IOIPG?

Exact estimates are hard to pin down, but local ETFs tracking the KLCI have combined AUM of less than RM500 million. The bigger influence comes from enhanced indexing mandates of institutional funds (EPF, PNB, KWAP) that maintain near-benchmark exposure - this figure is hard to publicly quantify but likely runs in the hundreds of millions to over RM1 billion.

6. Will Sime Darby (4197) crash after being removed?

Not necessarily. PNB holds over 50% of SIME via ASB/ASN funds - they won't dump aggressively. Selling pressure will likely be limited to discretionary funds without exposure mandates. After the implementation day, SIME's price will revert to fundamentals (auto sales, industrial equipment outlook).

7. How can I monitor IOIPG's ranking status?

Key sources: - Bursa Malaysia FBM KLCI page - constituent and market cap data - TradingView KLCI components - current constituent list with market caps - LSEG/FTSE Russell index reviews - official review announcements

8. Does KLCI inclusion guarantee a quality company?

No. The KLCI is a market-cap-based index, not a quality-based index. Companies that are large but have weak fundamentals can still be in the KLCI (and exit when prices fall). Index inclusion is no substitute for thorough fundamental analysis.

Conclusion

If it materialises, IOI Properties' inclusion in the FBM KLCI in June 2026 is a noteworthy benchmark event for the Malaysian market. It validates IOIPG's transformation from a generic property developer into a major real estate franchise with a sizeable REIT component, and signals a shift in KLCI sector composition - from traditional conglomerates toward modern real estate.

For retail investors, the bigger lesson isn't about trading the rebalancing - it's about understanding market structure: how indices are selected, why weights differ, and why passive flow influences short-term prices while fundamentals determine long-term returns.

Before making any move, ensure you have a stable trading account and a strong grasp of stock investing basics.

To start investing in Bursa Malaysia and overseas markets like the US and Hong Kong, you need a CDS account - register your CDS account with Mahersaham here.

For stock investing fundamentals including how to read financial statements, risk management, and building a long-term portfolio, get our free stock investing basics ebook.

Further Reading

• IOI Properties REIT IPO Strategy: A New Catalyst to Lift Share Price? - Full breakdown of the IOIPG REIT IPO that triggered the price surge
• What Is the FBM KLCI Index? - Guide to the structure and history of Malaysia's benchmark index
• Potensi Kenaikan FBM KLCI: Adakah Bursa Malaysia Kembali ke Era Bull Market? - 2026 KLCI outlook and key drivers
• FBM KLCI Approaching 1,800: Why Inverse ETFs Are More Popular Than Leveraged Ones - The local ETF landscape tracking the KLCI
• IOIPG (5249) Stock Analysis on Mahersaham - In-depth research on IOI Properties Group Berhad