Horizon Quantum Holdings is trading at $15.00, down 5.06%, with no identified company-specific catalyst. - The September 25, 2026 price follows a September 24 close of $15.80. - No company-specific announcement, earnings release or major overnight catalyst was identified. The latest investor-relations update remains the September 15 clarification on share counts and lock-up agreements. - Broader index futures are modestly higher, so the decline is not clearly explained by market-wide risk-off sentiment; the catalyst remains unattributed.