DOSSIER · 13F-HR · Q2 2026
MARINER INVESTMENT GROUP LLC
$463M in tracked AUM across 124 positions as of Q2 2026.
MI
CIK 0001096978 · last filed Jun 30, 2026
AI Analysis · Q2 2026
1. Portfolio Overview
Mariner Investment Group LLC manages a concentrated portfolio valued at approximately $287.52 million as of September 30, 2025. The portfolio experienced modest growth of +2.1% over the quarter, increasing from $281.70 million. The fund exhibits a high level of active management and turnover, evidenced by a dramatic restructuring where 26 new positions were initiated and 32 positions were sold during the quarter.
The portfolio is highly concentrate...
Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology
Quarter at a glance — Q2 2026
Position-change comparison pending.
No quarter-over-quarter changes available.
Top 10 holdings
By portfolio weight as of Q2 2026.
Filing history
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