Oasis Launches Proxy Fight Against HORIBA Chairman Atsushi Horiba

Event summary

  • Oasis, holding 9.90% of HORIBA shares, urges shareholders to vote against Chairman Atsushi Horiba at the March 21, 2026 AGM.
  • HORIBA's Semiconductor segment generates 90% of operating profit but trades at 10x EV/EBITDA vs. peer average of 20x.
  • Oasis estimates HORIBA's intrinsic value at over 105% upside, citing conglomerate structure and governance failures.
  • Chairman Horiba's 43-year tenure marked by missed targets, value-destroying acquisitions, and suboptimal capital allocation.
  • Oasis introduced an independent semiconductor expert as director candidate, rejected by HORIBA.

The big picture

Oasis's proxy fight highlights the growing tension between activist investors and entrenched family-controlled conglomerates in Japan. The semiconductor equipment sector's premium valuations contrast sharply with HORIBA's discounted multiple, reflecting broader market skepticism about diversified business models. This battle tests whether institutional investors can force governance reforms in long-standing family-controlled firms.

What we're watching

Governance Dynamics
Whether HORIBA shareholders will support Oasis's push for leadership change and board independence.
Strategic Focus
How HORIBA will address its conglomerate structure and loss-making segments if Chairman Horiba is re-elected.
Valuation Gap
The pace at which HORIBA can narrow its valuation discount to semiconductor peers through operational improvements.