Elliott Management has scaled shareholder activism into an industrial model. Since shifting from distressed-debt investing in the 1990s to activism, it now runs campaigns across multiple firms simultaneously, pushing board changes, asset sales and capital returns. Compared with peers, its dominance is quantitative: four large rivals together hold about $24bn in American stocks and have launched 37 campaigns since early 2024—roughly matching Elliott alone on both counts—while Elliott employs more than twice as many investment and research staff as those rivals combined.

The effectiveness of activism rests on persistent governance gaps and incentive misalignment. Even as activist tactics—cost cutting, divestitures, simplification—have become standard in boardrooms, they remain profitable because ownership and control are structurally separated. The rise of passive giants such as BlackRock and Vanguard concentrates ownership but weakens direct oversight, increasing the marginal value of a large activist. Meanwhile, new governance complexities linked to state intervention and AI-era corporate structures have emerged, yet have not yet triggered proportionate activist responses.

Geographically, activism is expanding beyond America, with measurable intensity. In Japan, regulatory reforms encouraging the unwinding of cross-shareholdings have driven activity: 56 campaigns were launched last year, a record, and since 2023 ValueAct has initiated more campaigns there than in the United States. Elliott itself continues to deploy capital globally, including recent stakes in Britain and Japan. The trend indicates that shareholder activism is not diminishing but diffusing, with scale, capital and institutional gaps determining where campaigns concentrate.