Lo Kheng Hong Buys Up ABMM Shares: What's So Interesting About This Stock?

Lo Kheng Hong's investment activities have again attracted the attention of the Indonesian capital market after the veteran investor was recorded to have increased his stake in PT ABM Investama Tbk. (ABMM) several times throughout October 2026.

This move became even more interesting when the company posted net profit growth of 141.4% in the first nine months of 2026.

For investors who follow a value investing strategy, the combination of stock accumulation by experienced investors and improving company financial performance is certainly worth considering.

However, is this profit growth enough to make ABMM an attractive energy issuer in the long term?

To answer this question, we need to look further into the company's business, sources of profit growth, fundamental conditions, and the risks that could affect its stock prospects.

Key Takeaways

• Lo Kheng Hong increased his ABMM holdings. Eight purchase transactions were recorded throughout October 2026, totaling 634,300 shares.

• ABMM's net profit grew 141.4%, reaching US$102.3 million by September 2026, supported by increased productivity in the mining contracting business.

• Fundamentals still require a comprehensive analysis. Profit growth isn't the only indicator. Valuation, cash flow, debt, dividends, and industry risk also need to be considered.

Lo Kheng Hong Again Increases His ABMM Shareholding

Source: Google Finance

Who is Lo Kheng Hong and what is his investment strategy?

The name Lo Kheng Hong has long been known in the world of Indonesian stock investment.

It is often associated with the approach value investing, namely an investment strategy that focuses on finding companies with fundamental values ​​that are considered attractive compared to their market prices.

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Eight ABMM Share Purchase Transactions Throughout October 2026

In October 2026, investors' attention returned to their investment activities in PT ABM Investama Tbk. (ABMM).

Based on a transaction report published by Katadata on October 27, 2026, Lo Kheng Hong was recorded as having purchased ABMM shares eight times during that month.

ABMM's Total Share Ownership Reaches 5.70%

The total accumulated purchases reported reached 634,300 shares.

Following the series of transactions, his ownership increased to approximately 156.798 million shares, equivalent to 5.70% of the company's total shares.

The Largest Purchase Occurred on October 19, 2026

The largest purchase in the series of transactions occurred on October 19, 2026, when Lo Kheng Hong purchased 275,000 ABMM shares.

The next transaction on October 23 increased his holdings by 35,700 shares.

Lo Kheng Hong's Actions and ABMM's Financial Performance

Interestingly, this purchasing activity took place when ABM Investama also showed increased profitability.

This condition makes ABMM increasingly interesting to discuss from a fundamental company perspective, not just based on its investor activity.

However, it is important to understand that an investor's decision to buy shares does not automatically guarantee that the shares will provide profits in the future.

Getting to Know ABM Investama: Not Just a Coal Company

PT ABM Investama Tbk. is an integrated investment company focused on the energy, mining, and supporting infrastructure sectors. With the ticker code ABMM on the Indonesia Stock Exchange, the company is developing a business ecosystem that connects coal production, mining contractor services, and energy solutions.

ABM Investama's business model is based on three main units: coal production, mining contracting services, and energy-related solutions. All three are supported by integrated engineering and logistics services.

Several business entities that support ABM Investama's operational activities include:

• PT Reswara Minergi Hartama: engaged in coal production.

• PT Cipta Kridatama: providing mining contractor services.

• PT Cipta Krida Bahari: running integrated logistics services.

• PT Sanggar Sarana Steel: provides industrial equipment engineering and manufacturing services.

• PT Prima Wiguna Parama: support the need for fuel procurement for mining activities.

The existence of these various business lines offers the advantage of operational integration. Mining activities, for example, require the support of heavy equipment, fuel, transportation, and logistics services.

Through an interconnected business ecosystem, ABM has the opportunity to create cost efficiencies while expanding revenue streams.

This is one aspect that makes ABMM interesting to analyze. The company relies not only on coal production but also has exposure to services and infrastructure that support the mining industry's supply chain.

However, this diversification does not necessarily eliminate the risks of the coal industry.

Some of ABM's business activities remain closely linked to production volumes, mining service needs, and energy commodity market conditions.

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ABMM Financial Performance: Net Profit Jumps 141.4%

One of the most interesting developments from ABM Investama is the increase in net profit in the first nine months of 2026.

Based on the performance report up to September 30, 2026, the company posted a net profit of US$102.31 million, compared to US$42.38 million in the same period the previous year.

This growth reached 141.4% year-on-year.

Meanwhile, consolidated revenue increased 4.7% to US$818.53 million from US$781.65 million.

The following is a comparison of ABM Investama's financial performance:

Source: S&P Capital IQ, ABM Investama financial results report as of September 30, 2026. Figures are rounded.

What's noteworthy is the difference in revenue and net profit growth rates. While revenue grew only 4.7%, net profit more than doubled.

In simple calculations, ABMM's net profit margin increased from around 5.4% in the first nine months of 2025 to around 12.5% ​​in the same period in 2026.

This means that the company managed to generate a greater net profit for every dollar of revenue earned.

This increase is a positive signal from the profitability side.

However, investors still need to investigate whether the margin improvement stems from ongoing operational efficiencies or is influenced by temporary factors.

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What Drives ABMM's Profit Growth?

Mining Contractor Productivity Increases

One of the factors contributing to improved performance is the improved productivity of the mining contractor business.

Rainfall Hours in Operational Areas Are Lower

In its performance report through September 2026, ABM Investama recorded approximately 30% fewer hours of rainfall at mining contractors' operational sites compared to the same period the previous year. This condition supports smooth operational activities in the mining area.

Overburden Removal Volume Grows 27.5%

The impact is seen in the increase in volume overburden removal or overburden removal of 27.5% quarterly in the third quarter of 2026.

Coal Getting Increases 9.6% Quarterly

Meanwhile, the volumecoal gettingor coal extraction increased by 9.6% compared to the previous quarter.

Operational Optimization and Cost Control

In addition to weather factors, the company also emphasizes operational optimization, cost control, and productivity improvement as part of efforts to maintain profitability.

Can ABMM's Profit Growth Continue?

However, there's one caveat to keep in mind. More favorable weather conditions aren't always maintained in the following period. Therefore, investors need to assess whether increased work volume and efficiency can be sustained once operating conditions return to normal.

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What Makes ABMM Stock Interesting to Watch?

There are at least four aspects worth paying attention to when analyzing ABMM shares.

1. Integrated Business Models in the Energy Industry

The integration of coal production, mining contracting services, logistics, and engineering provides ABM Investama with a mutually supportive business ecosystem.

This model has the potential to create operational efficiencies because some needs in the mining supply chain can be met through business entities within a single corporate group.

For long-term investors, this type of business structure is interesting to study because the company's capabilities are not only determined by commodity production, but also by the demand for mining support services.

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2. Significant Profitability Growth

The 141.4% increase in net profit is one of the indicators that strengthens attention to ABMM.

This growth far outpaced the increase in revenue.

This indicates an improvement in profitability that needs to be further explored through the company's financial statements and cash flow.

If margin improvements can be maintained, ABM Investama has the potential to have a better capacity to generate profits from its operational activities.

3. Mining Contractor Business Productivity

Mining contractor services are an important pillar in the ABM Investama ecosystem.

Volume increaseoverburden removal And coal gettingin the third quarter of 2026 showed an improvement in operational activities compared to the previous quarter.

This development is relevant because mining contractor productivity is directly related to work volume, heavy equipment utilization, and operational cost efficiency.

4. Stock Accumulation by Experienced Investors

Lo Kheng Hong's activities in increasing ABMM's ownership throughout October 2026 have attracted particular attention.

For some investors, changes in ownership by major investors can be valuable information in assessing an issuer. However, investment decisions should still be based on an independent analysis of the company's fundamentals and valuation.

It is important to distinguish between the fact that Lo Kheng Hong bought ABMM shares and allegations regarding the reasons behind the purchase.

There is no sufficient basis to conclude that the entire purchase was made because of the 141.4% profit surge.

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Assessing ABMM from a Value Investing Perspective

One of the interesting things about Lo Kheng Hong's investment approach is his attention to a company's fundamental value.value investing, investors do not only look at the popularity of stocks or short-term price increases, but try to understand the true value of the business.

If this approach is used to analyze ABMM, there are several aspects that need to be noted.

1. Company's Ability to Generate Profit

Net profit growth indicates a company's growing profitability. However, investors need to ensure that this increase stems from healthy and sustainable operational activities.

2. Stock Valuation and Company Intrinsic Value

A company with good fundamentals may not be an attractive investment if its share price is too high. Therefore, ratios such asPrice to Earnings Ratio (PER), Price to Book Value(PBV), andEnterprise Value to EBITDA(EV/EBITDA) needs to be compared with similar companies.

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3. Cash Flow Quality and Debt Structure

Increasing net profit needs to be accompanied by the ability to generate operational cash flow. Investors also need to pay attention to financial obligations and capital expenditure requirements (capital expenditure), as well as the company's ability to meet long-term obligations.

4. Business Resilience to Commodity Cycles

The coal industry is cyclical, influenced by commodity prices, energy demand, government policies, and global economic conditions. Therefore, mining company analysis should consider performance over several years, not just a single reporting period.

Are ABMM Shares Undervalued?

Thus, ABMM's 141.4% profit growth is the starting point of the analysis, not a conclusion that the stock isundervalued.

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ABMM Stock Risks and Prospects That Need Attention

Despite showing positive performance developments, ABM Investama still faces a number of business risks that investors need to consider.

1. Coal Price Fluctuations

As a company engaged in coal mining production and services, ABMM is exposed to changes in commodity market conditions. Weakening coal prices could impact the company's revenue, margins, and production activities.

2. Dependence on Operational Productivity

The improved performance of mining contractors in the third quarter of 2026 was also supported by more favorable weather conditions. If rainfall increases or operational disruptions occur, mining productivity could be further affected.

3. Changes to Mining Industry Regulations

Government policies regarding coal production, mining permits, environmental obligations, and energy sector governance can impact a company's operational activities.

4. Energy Transition Challenges

The development of renewable energy and changes in global energy policy are long-term factors that companies with coal exposure need to consider. ABMM's ability to expand its energy services and develop other revenue streams will be crucial to maintaining its business sustainability.

5. Sustainable Profit Growth

The 141.4% profit increase is indeed impressive. However, investors should monitor subsequent financial reports to ensure that the increased profitability isn't simply the result of favorable operating conditions in a specific period.

What are the future prospects for ABMM's business?

In terms of prospects, the integration of mining, logistics, engineering, and energy solutions businesses provides room for ABM Investama to optimize business activities.

However, this potential still needs to be proven through the company's revenue growth, cash flow, efficiency, and investment returns.

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Is ABMM Stock Worth Considering for Long-Term Investment?

Combination of Investor Action and Fundamental Performance

Lo Kheng Hong's accumulated performance, increasing net profit, and integrated business model make ABMM an attractive issuer to include on investors' watchlists.

However, there is a difference between a company that has attractive fundamentals and a stock that offers an attractive investment price.

Earnings Growth Doesn't Always Mean Cheap Stocks

High earnings growth is not enough to ensure that ABMM's share price is below its intrinsic value.

Investors still need to compare market valuations with the company's ability to generate profits and cash flow in the long term.

Should Investors Follow Lo Kheng Hong's Lead?

Furthermore, Lo Kheng Hong's investment decisions should be viewed as supplementary information, not as instructions to follow the same trades. Each investor has different considerations regarding purchase price, investment timeframe, and risk tolerance.

Business Fundamentals and Prospects Remain Key Considerations

Ultimately, ABMM's appeal lies not only in who owns its shares, but also in the company's ability to maintain profitability, manage industry risks, and create value for shareholders.

If productivity and operational efficiency improvements can be maintained, ABM Investama has a number of fundamental factors worth continuing to monitor.

Conversely, if earnings growth is only temporary, investors should be cautious about using 2026 performance as a basis for long-term projections.

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FAQ

Why did Lo Kheng Hong buy ABMM shares?

Lo Kheng Hong is recorded as having made eight ABMM share purchases throughout October 2026, totaling 634,300 shares. The specific reasons behind his investment decisions cannot be ascertained solely from published transaction data.

How many ABMM shares does Lo Kheng Hong own?

Based on transaction data as of October 23, 2026, Lo Kheng Hong owned approximately 156.798 million ABMM shares, equivalent to 5.70% of the company's ownership.

What is the main business of PT ABM Investama Tbk. (ABMM)?

ABM Investama operates an integrated business encompassing coal production, mining contracting services, energy solutions, logistics, and engineering and manufacturing services.

Why did ABMM's net profit increase by 141.4% in 2026?

The profit increase was supported by improvements in operational productivity, particularly in the mining contracting business, optimization of business activities, and cost control. More favorable weather conditions also contributed to smooth operations during the period.

Is ABMM stock suitable for long-term investment?

ABMM has several compelling fundamental aspects to analyze, including its integrated business model and profitability growth. However, investment decisions should consider stock valuation, cash flow, debt structure, coal industry prospects, and the investor's risk profile.