MARINER INVESTMENT GROUP LLC
Follow13F filer, CIK 1096978, NEW YORK, NY
MARINER INVESTMENT GROUP LLC reported $254,191,925 across 36 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-05. Its ten largest share positions make up 93.05% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001085146-25-002607
- Period
- 2025-03-31
- Reported value
- $254M
- Holdings
- 36
- Top 10 weight
- 93.05%
- New
- 15
- Sold out
- 25
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| BKLNadded | +2,581,062 | $53.4M |
| JFRnew | +4,790,000 | $40.6M |
| HYGnew | +161,000 | $12.7M |
| VSTnew | +44,000 | $5.17M |
| APAnew | +125,000 | $2.63M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| SPYreduced | -585,486 | -$328M |
| FDXexited | -27,500 | -$7.74M |
| EXPexited | -10,500 | -$2.59M |
| TLTreduced | -27,000 | -$2.46M |
| DYexited | -11,000 | -$1.91M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q1 2025
Share positions as resolved from 13F-HR 0001085146-25-002607, largest first. % of portfolio is the value over $253,083,100, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| SPYSTATE STR SPDR S&P 500 ETF T | 174,192 | $97.4M | 38.5% | -585,486 | Timeline | ||
| BKLNINVESCO EXCH TRADED FD TR II | 3,081,946 | $63.8M | 25.21% | +2,581,062 | Timeline | ||
| JFRNUVEEN FLOATING RATE INCOME | 4,790,000 | $40.6M | 16.03% | new | Timeline | ||
| HYGISHARES TR | 161,000 | $12.7M | 5.02% | new | Timeline | ||
| VSTVISTRA CORP | 44,000 | $5.17M | 2.04% | new | Timeline | ||
| TLTISHARES TR | 41,000 | $3.73M | 1.47% | -27,000 | Timeline | ||
| RRCRANGE RES CORP | 85,000 | $3.39M | 1.34% | +40,000 | Timeline | ||
| CEGCONSTELLATION ENERGY CORP | 16,500 | $3.33M | 1.31% | +11,500 | Timeline | ||
| GLWCORNING INC | 60,000 | $2.75M | 1.09% | +5,000 | Timeline | ||
| APAAPA CORPORATION | 125,000 | $2.63M | 1.04% | new | Timeline | ||
| ADARRAY DIGITAL INFRASTRUCTURE | 35,005 | $2.42M | 0.96% | +4,005 | Timeline | ||
| EQTEQT CORP | 40,000 | $2.14M | 0.84% | +30,000 | Timeline | ||
| XLUSELECT SECTOR SPDR TR | 25,000 | $1.97M | 0.78% | new | Timeline | ||
| WMBWILLIAMS COS INC | 30,000 | $1.79M | 0.71% | new | Timeline | ||
| ETRENTERGY CORP NEW | 20,000 | $1.71M | 0.68% | +5,000 | Timeline | ||
| VLOVALERO ENERGY CORP | 12,500 | $1.65M | 0.65% | 0 | Timeline | ||
| FTAIFTAI AVIATION LTD | 10,000 | $1.11M | 0.44% | new | Timeline | ||
| ARANTERO RESOURCES CORP | 25,000 | $1.01M | 0.4% | -5,000 | Timeline | ||
| RWTREDWOOD TRUST INC | 150,000 | $910K | 0.36% | new | Timeline | ||
| KRKROGER CO | 10,000 | $677K | 0.27% | -10,000 | Timeline | ||
| FIXCOMFORT SYS USA INC | 1,000 | $322K | 0.13% | new | Timeline | ||
| RIGTRANSOCEAN LTD | 100,000 | $317K | 0.13% | +75,000 | Timeline | ||
| LUMNLUMEN TECHNOLOGIES INC | 25,000 | $98K | 0.04% | -75,000 | Timeline | ||
| BRLSWBOREALIS FOODS INC | 23,300 | $2.56K | <0.01% | 0 | Timeline | ||
| CYCUWCYCURION INC | 30,000 | $1.2K | <0.01% | 0 | Timeline | ||
| BOLT PROJECTS HLDSBOLT PROJECTS HLDS | 19,150 | $575 | <0.01% | 0 |
Options
Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| SPYSTATE STR SPDR S&P 500 ETF T SHS | put | 40,000 | $332K | -1,790,000 |
| ARCCARES CAPITAL CORP COM | put | 1,000,000 | $175K | new |
| TXNTEXAS INSTRS INC COM | put | 25,000 | $171K | new |
| HYGISHARES TR IBOXX HI YD ETF | put | 600,000 | $125K | +410,000 |
| XLUSELECT SECTOR SPDR TR SHS | call | 450,000 | $90K | new |
| NVDANVIDIA CORPORATION COM | put | 100,000 | $75K | new |
| XLFSELECT SECTOR SPDR TR SHS | put | 45,000 | $50K | -10,000 |
| XLUSELECT SECTOR SPDR TR SHS | put | 450,000 | $49.5K | new |
| TAT&T INC COM | put | 110,000 | $41.8K | new |
Principal amounts
Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| REDFIN CORPREDFIN CORP NOTE 0.500% 4/0 | principal | 1,645,000 | $1.45M | 0 |
Sold out in Q1 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| FDXFEDEX CORP | 27,500 | $7.74M | shares |
| EXPEAGLE MATLS INC | 10,500 | $2.59M | shares |
| ECHOSTAR CORPECHOSTAR CORP | 2,003,500 | $2.11M | principal |
| DYDYCOM INDS INC | 11,000 | $1.91M | shares |
| ANYWHERE REAL ESTATE GROUP LANYWHERE REAL ESTATE GROUP L | 2,000,000 | $1.78M | principal |
| RIOTRIOT PLATFORMS INC | 150,000 | $1.53M | shares |
| IRENIREN LIMITED | 150,000 | $1.47M | shares |
| CMICUMMINS INC | 3,000 | $1.05M | shares |
| DOWDOW HLDGS INC | 25,500 | $1.02M | shares |
| EXEEXPAND ENERGY CORPORATION | 10,000 | $996K | shares |
| CNQCANADIAN NAT RES LTD MED TER | 30,000 | $926K | shares |
| WMTWALMART INC | 10,000 | $904K | shares |
| LYBLYONDELLBASELL INDUSTRIES NV | 11,500 | $854K | shares |
| SRESEMPRA | 7,000 | $614K | shares |
| XMYDXBLACKROCK MUNIYIELD FUND | 50,734 | $527K | shares |
| MYIBLACKROCK MUNIYIELD QUALITY | 40,818 | $451K | shares |
| OLNOLIN CORP | 10,500 | $355K | shares |
| CIFRCIPHER DIGITAL INC | 50,000 | $232K | shares |
| RIOTRIOT PLATFORMS INC | 100,000 | $96.5K | call |
| GLWCORNING INC | 100,000 | $80K | put |
| IRENIREN LIMITED | 100,000 | $75K | call |
| FDXFEDEX CORP | 100,000 | $59.5K | call |
| CCLCARNIVAL CORP | 250,000 | $7.5K | call |
| SPYSTATE STR SPDR S&P 500 ETF T | 70,000 | $1.75K | call |
| BKLNINVESCO EXCH TRADED FD TR II | 3,100 | $341 | put |
How Q1 2025 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001085146-25-002607 | base | 2025-05-05 | acceptance time not in the bulk data set |