The Cross-Shareholding and Circular Ownership That Define South Korea's Chaebol Structure

In August 2025, South Korea's National Assembly passed a sweeping amendment to the Commercial Code aimed at a specific mathematical anomaly: how a family holding a 2 percent direct stake can wield absolute control over a multinational conglomerate. This disparity between cash flow rights and voting rights is the defining architecture of the chaebol, South Korea's massive family-run business groups.[4]

The mechanism that makes this possible is circular ownership. Instead of a straightforward vertical hierarchy where a parent company owns subsidiaries, chaebol affiliates own shares in one another in a continuous loop. Company A owns a stake in Company B, Company B owns a stake in Company C, and Company C completes the chain by owning a stake in Company A.[3][5]

This structure allows the founding families to control the entire group with minimal personal capital. Because the capital is effectively double-counted as it moves through the loop, the family's voting power is artificially inflated, securing their dominance over boardrooms and strategic decisions across dozens of affiliated enterprises.[5]

The economic footprint of these groups is staggering. Historically, the top ten chaebols have generated revenues equivalent to more than half of South Korea's gross domestic product, making their internal governance a matter of national macroeconomic stability.[1]

Internal trading is a primary feature of this ecosystem. According to disclosures from 2025, internal transactions among affiliates of the top ten chaebols accounted for 70 percent of all their disclosed corporate transactions.[2]

This insular trading network allows conglomerates to subsidize weaker affiliates, shield themselves from external market competition, and consolidate wealth within the group. However, it also creates systemic risk; the failure of one affiliate can trigger a cascading liquidity crisis across the entire circular chain.[1][3]

The persistence of circular ownership is the primary driver of the "Korea Discount"—the phenomenon where South Korean equities trade at significantly lower price-to-earnings multiples compared to global peers in the United States, Europe, or Japan.[5]

International and domestic investors discount these stocks because the circular structure inherently prioritizes the controlling family's interests over those of minority shareholders. When a profitable affiliate is forced to bail out a failing one, minority investors in the profitable entity absorb the loss without recourse.

Successive South Korean administrations have attempted to dismantle these webs. The August 2025 Commercial Code amendment represents the latest legislative effort to boost shareholder rights and mandate greater transparency in affiliate transactions.[4]

The legislation introduces stricter disclosure requirements for cross-shareholding arrangements and enhances the voting power of minority shareholders in the appointment of independent auditors, aiming to break the monopoly of family-appointed oversight.[4]

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Yet, legal scholars note that the amendment largely overlooks the deeper structural dominance of the chaebols, focusing on procedural safeguards rather than forcing the outright dissolution of existing circular chains.[5]

Regulatory bodies face a structural paradox: aggressive dismantling of the chaebol system risks destabilizing the national economy, given their outsized role in employment, research and development, and global exports.[1][3]

Consequently, the regulatory approach has shifted from demanding immediate structural dissolution to imposing heavy compliance and disclosure burdens on internal trading, attempting to make the circular model too administratively expensive to maintain.[2][3]

The ultimate test of the August 2025 framework will arrive during the spring 2027 shareholder meeting season, when minority investors will first exercise their expanded voting rights to appoint independent auditors across the top ten conglomerates. Until those votes are tallied, the structural dominance of the circular ownership model remains intact.[4][5]