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Ace River Capital Discloses 2025 Slide as Vox Royalty Surges and MarineMax Is Cut Back

A concentrated small- to micro-cap approach left results vulnerable to swings in single names.

Overview

  • In Q4 2025 the fund returned -4.55%, trailing the S&P 500 at +2.7% and the Russell 2000 at +2.2%.
  • Full-year 2025 performance was -21.95% versus +18.0% for the S&P 500 and +12.8% for the Russell 2000.
  • Management attributed the downturn to valuation pressure and unique events affecting select holdings.
  • Vox Royalty has become the largest position with roughly a 160% gain since a Q4 2023 initiation, supported by record gold prices.
  • Ace River halved its MarineMax stake via in-the-money covered calls in Q4 2025; as of Feb. 9, 2026, VOXR closed at $5.29 (up 116.8% year over year) and HZO at $29.71 (down 2.84% year over year).