Mariner Investment Group LLC 13F holdings, Q3 2025
Holdings as of September 30, 2025 · filings on SEC EDGAR · latest filing →
Mariner Investment Group LLC disclosed 48 US equity positions worth $323.6m in its Q3 2025 13F filing. The largest position was IBIT at 40.5% of the reported book, followed by SPY and LQD. Against the Q2 2025 filing, it opened 19 new positions, added to 7 and reduced 10 among the top 48 holdings.
What did Mariner Investment Group LLC own in Q3 2025? Top 48 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q2 2025 |
|---|---|---|---|---|---|---|---|
| 1 | IBIT ISHARES BITCOIN TRUST ETF | 40.5% | $131.0m | 2,015,094 | 142% | added | |
| 2 | SPY SPDR S&P 500 ETF TR | 7.9% | $25.6m | 38,422 | -70% | reduced | |
| 3 | LQD ISHARES TR | 6.5% | $21.0m | 188,000 | 53% | added | |
| 4 | NUVEEN FLOATING RATE INCOME | 5.7% | $18.5m | 2,257,194 | -43% | reduced | |
| 5 | NEXTERA ENERGY CAP HLDGS INC | 3.7% | $11.8m | 10,000,000 | – | new | |
| 6 | RITM RITHM CAPITAL CORP | Real Estate | 3.4% | $11.1m | 975,000 | 1850% | added |
| 7 | JD.COM INC | 3.3% | $10.8m | 10,000,000 | – | new | |
| 8 | FORD MTR CO | 3.1% | $10.2m | 10,000,000 | – | new | |
| 9 | ALIBABA GROUP HLDG LTD | 2.8% | $9.2m | 5,000,000 | – | new | |
| 10 | SNOW SNOWFLAKE INC | 2.3% | $7.6m | 5,000,000 | – | new | |
| 11 | BHF BRIGHTHOUSE FINL INC | Financial Services | 2.2% | $7.2m | 136,000 | – | new |
| 12 | FLR FLUOR CORP | 1.9% | $6.1m | 5,100,000 | – | new | |
| 13 | DUK DUKE ENERGY CORP NEW | Utilities | 1.5% | $5.0m | 40,000 | -20% | reduced |
| 14 | RWT REDWOOD TRUST INC | Real Estate | 1.5% | $4.9m | 847,411 | 324% | added |
| 15 | ON ON SEMICONDUCTOR CORP | 1.4% | $4.6m | 5,000,000 | – | new | |
| 16 | ETR ENTERGY CORP NEW | Utilities | 1.3% | $4.2m | 45,000 | -10% | reduced |
| 17 | LECO LINCOLN ELEC HLDGS INC | Industrials | 1.1% | $3.5m | 15,000 | 114% | added |
| 18 | FOUR SHIFT4 PMTS INC | Technology | 1.1% | $3.5m | 45,000 | – | new |
| 19 | REDWOOD TRUST INC | 1.0% | $3.3m | 3,300,000 | 154% | added | |
| 20 | VST VISTRA CORP | Utilities | 0.9% | $2.9m | 15,000 | -40% | reduced |
| 21 | CEG CONSTELLATION ENERGY CORP | Utilities | 0.8% | $2.7m | 8,100 | 170% | added |
| 22 | WMB WILLIAMS COS INC | Energy | 0.8% | $2.5m | 40,000 | -27% | reduced |
| 23 | AMD ADVANCED MICRO DEVICES INC | Technology | 0.6% | $2.0m | 12,500 | – | new |
| 24 | REDFIN CORP | 0.5% | $1.5m | 1,645,000 | 0% | held | |
| 25 | CIM CHIMERA INVT CORP | 0.5% | $1.5m | 115,000 | – | new | |
| 26 | EATON VANCE MUN BD FD | 0.4% | $1.2m | 116,847 | -42% | reduced | |
| 27 | AD ARRAY DIGITAL INFRASTRUCTURE | Communication Services | 0.3% | $1.1m | 21,292 | -53% | reduced |
| 28 | PENNYMAC CORP | 0.3% | $1.0m | 1,000,000 | – | new | |
| 29 | CC CHEMOURS CO | Basic Materials | 0.3% | $871.2k | 55,000 | – | new |
| 30 | UPS UNITED PARCEL SERVICE INC | Industrials | 0.3% | $835.3k | 10,000 | – | new |
| 31 | VMI VALMONT INDS INC | Industrials | 0.2% | $775.5k | 2,000 | 0% | held |
| 32 | WOLF WOLFSPEED INC | Technology | 0.2% | $715.0k | 25,000 | – | new |
| 33 | KR KROGER CO | Consumer Defensive | 0.2% | $674.1k | 10,000 | 0% | held |
| 34 | PROSHARES TR II | 0.2% | $636.8k | 12,500 | – | new | |
| 35 | RRC RANGE RES CORP | Energy | 0.2% | $564.6k | 15,000 | -57% | reduced |
| 36 | LUMN LUMEN TECHNOLOGIES INC | Communication Services | 0.1% | $459.0k | 75,000 | 0% | held |
| 37 | CRH CRH PLC | Basic Materials | 0.1% | $359.7k | 3,000 | 0% | held |
| 38 | MTZ MASTEC INC | Industrials | 0.1% | $340.5k | 1,600 | -68% | reduced |
| 39 | SSTK SHUTTERSTOCK INC | Communication Services | 0.1% | $336.0k | 16,114 | – | new |
| 40 | MLM MARTIN MARIETTA MATLS INC | Basic Materials | 0.1% | $315.1k | 500 | 0% | held |
| 41 | VMC VULCAN MATLS CO | Basic Materials | 0.1% | $307.6k | 1,000 | 0% | held |
| 42 | NOBLE CORP PLC | 0.1% | $282.8k | 10,000 | 0% | held | |
| 43 | CRWV COREWEAVE INC | Technology | 0.1% | $273.7k | 2,000 | – | new |
| 44 | EXPRO GROUP HOLDINGS NV | 0.1% | $237.6k | 20,000 | – | new | |
| 45 | DAN DANA INC | Consumer Cyclical | 0.1% | $200.4k | 10,000 | 0% | held |
| 46 | BOREALIS FOODS INC | 0.0% | $1.8k | 23,300 | 0% | held | |
| 47 | CYCURION INC | 0.0% | $1.2k | 30,000 | 0% | held | |
| 48 | BOLT PROJS HLDGS INC | 0.0% | $766 | 19,150 | 0% | held |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.