"100% Responsible Investment."
That has long been one of the National Pension Service's (NPS) guiding principles.
Recently, however, a media investigation has brought that slogan back into the spotlight.
According to the report, the NPS's domestic equity portfolio appears to closely mirror the KOSPI's market-cap rankings, rather than reflecting active stock selection based on ESG or company quality.
Why does this matter?
Because this isn't simply another ESG debate.
The National Pension Service manages more than KRW 300 trillion in Korean equities, making it the largest institutional investor in South Korea.
If you own shares of companies such as Samsung Electronics or SK hynix, the way this capital moves can directly influence your own investment portfolio.
In this article, we'll examine what the investigation claims, what the data actually shows, and what investors should pay attention to going forward.
Understanding the Source of the Report
The investigation was published exclusively by Kukmin Ilbo in cooperation with climate policy think tank Solutions for Our Climate (SFOC).
The analysis was based on publicly disclosed National Pension investment data.
At the time of writing, the National Pension Service has not issued a detailed official response specifically addressing the ESG portfolio analysis.
That distinction is important.
The report presents an interpretation of publicly available data rather than a formal regulatory finding. Investors should therefore separate the published facts from the conclusions drawn by the media analysis.
Does the Portfolio Really Follow Market Capitalization?
According to the report, Samsung Electronics remained the largest holding in the National Pension's domestic equity portfolio for three consecutive years.
| Company | 2022 | 2023 | 2024 |
|---|---|---|---|
| Samsung Electronics | 20.0% | 23.3% | 16.7% |
| SK hynix | 3.2% | — | 6.9% |
| LG Energy Solution | 4.4% | — | 3.7% |
These weightings generally resemble changes in KOSPI market-cap rankings.
However, one important detail deserves attention.
Samsung Electronics' allocation actually declined from 23.3% in 2023 to 16.7% in 2024.
That suggests the portfolio has not remained completely static. Changes in semiconductor prices and market valuations likely influenced the portfolio's composition as well.
Why Doesn't the ESG Rating System Exclude Companies?
The National Pension Service conducts its own ESG evaluations for listed Korean companies.
The controversy centers on one issue.
Very few companies receive poor ratings.
Among 973 companies evaluated in 2024, only five received the lowest grade (Grade D), representing roughly 0.5% of all companies reviewed.
Even receiving a D rating does not automatically prevent investment.
Instead, portfolio managers are simply restricted from holding those companies above benchmark weightings.
In other words, companies are rarely removed from the investment universe entirely.
Critics argue that this makes the ESG system less effective than those used by several major global pension funds.
Norway's sovereign wealth fund, for example, excludes certain coal-related companies from its investment universe altogether.
Why Does This Happen?
A large portion of the National Pension's domestic equity assets is managed by external asset management firms.
These managers are evaluated primarily on investment performance.
Falling behind benchmark returns may result in losing future mandates.
Under such a system, deliberately reducing exposure to Korea's largest market-cap companies for ESG reasons can become commercially difficult.
At the same time, many investment professionals argue that an institution managing hundreds of trillions of won cannot easily deviate from benchmark indices without creating both performance risk and market disruption.
The National Pension has nevertheless announced that beginning later this year it will incorporate shareholder-value enhancement efforts into the evaluation process for external asset managers.
The Bigger Story: Portfolio Rebalancing and the "KRW 74 Trillion Sell-Off" Debate
While the ESG discussion attracted headlines, the market has been paying even closer attention to another issue.
Portfolio rebalancing.
As Korean stocks rallied during the first half of the year, the value of the National Pension's domestic equity holdings increased significantly.
That pushed domestic equity exposure above the fund's target allocation.
The target allocation evolved as follows:
| Item | Details |
|---|---|
| Domestic equity target | 14.4% → 14.9% (January) → 20.8% (May) |
| Strategic Asset Allocation range | Expanded from ±3% to ±6% |
| Estimated actual allocation | Approximately 29–30% |
| Estimated theoretical sell amount | KRW 74.4 trillion if KOSPI reaches 9,000 |
| Actual net selling (May–June) | Around KRW 2 trillion per month |
| Official NPS position | No large-scale immediate selling planned |
Some market participants estimated that the National Pension could theoretically sell KRW 74.4 trillion if the KOSPI reached 9,000, or over KRW 120 trillion if it reached 10,000.
Those estimates quickly became known as the "KRW 74 trillion sell-off" scenario.
However, National Pension Chairman Kim Sung-joo publicly rejected those claims.
He described the estimates as unrealistic and emphasized that recent changes to the rebalancing framework allow adjustments to occur gradually over extended periods rather than through sudden large-scale selling.
Actual trading activity supports that view.
The pension fund recorded net sales of roughly KRW 2 trillion per month during both May and June—far below the dramatic figures circulating in the market.
What Is the National Pension Actually Buying and Selling?
Looking at recent transactions, the National Pension appears to be reallocating capital rather than exiting the equity market.
Recent net selling has included:
- Samsung Electronics
- SK hynix
- Hyundai Motor
- Mirae Asset Securities
- Samsung Electro-Mechanics
- LG Innotek
Meanwhile, recent net buying has included:
- Samsung Life Insurance
- Samsung C&T
- SK Inc.
- Shinhan Financial Group
This suggests capital is rotating from semiconductor leaders toward financial and holding companies, partly reflecting growing expectations surrounding shareholder returns and corporate governance reforms.
Rather than interpreting this as "the National Pension is dumping Samsung Electronics," it may be more accurate to view it as a portfolio rebalancing process across sectors.
Economy Reader Investment Insight
For investors, four points deserve the closest attention.
First, distinguish between the ESG debate and fund-flow dynamics.
Questions surrounding ESG effectiveness are long-term governance issues, while portfolio rebalancing can directly influence stock prices over the short and medium term.
Second, avoid overreacting to headlines about a massive sell-off.
The National Pension has already modified its rebalancing framework to spread transactions over longer periods, and recent trading volumes suggest a gradual approach rather than sudden liquidation.
Third, focus not only on what the pension fund is selling, but also on what it is buying.
The ongoing shift toward financial institutions and holding companies may provide useful clues about future institutional money flows.
Finally, continue monitoring the gap between target allocation and actual allocation.
If Korean equities continue rising sharply, additional rebalancing pressure could gradually emerge over the coming quarters.
Conclusion
The recent investigation raises legitimate questions about the gap between the National Pension's "100% Responsible Investment" philosophy and the way its portfolio is actually managed.
With only five out of 973 companies receiving the lowest ESG rating—and even those companies remaining investable—the effectiveness of the current ESG framework will likely continue to face scrutiny.
However, investors should remember that this remains an independent media analysis based on public disclosures rather than a definitive regulatory conclusion.
From an investment perspective, the more important issue is not whether the ESG system is perfect.
It is how the National Pension reallocates hundreds of trillions of won across sectors and companies over time.
Instead of focusing on sensational headlines about a "sell-off," investors may benefit more from tracking actual monthly trading activity and sector rotation.
Frequently Asked Questions
Is the National Pension selling Samsung Electronics?
Samsung Electronics has recently ranked among the fund's largest net sales. However, this appears to be part of broader portfolio rebalancing rather than a wholesale exit from the stock.
Is the "KRW 74 trillion sell-off" real?
The figure represents a theoretical estimate based on a hypothetical KOSPI level of 9,000. The National Pension has denied that such large-scale immediate selling is planned.
Does a low ESG rating prevent investment?
No. Even companies receiving the lowest ESG grade remain eligible for investment, although portfolio managers face restrictions on overweight positions.
How does National Pension rebalancing affect investors?
Changes in portfolio allocation can create temporary buying or selling pressure in individual stocks. Monitoring where institutional capital is moving may be more useful than focusing on total market selling.
Should investors fully trust the media report?
The report is based on publicly disclosed National Pension data, making the underlying figures credible. However, the interpretation and conclusions reflect the perspectives of the reporting organization and collaborating think tank.
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