MARINER INVESTMENT GROUP LLC - Stock Holdings in 13F Filings (SEC)
Updated on March 15, 2026.
Based on 13F Filings filed with the SEC on February 25, 2026, for the 2025 Q4 period, MARINER INVESTMENT GROUP LLC held in its portfolio 89 assets valued at $1,712,737,524 (i.e. $1.71B).
The most valuable assets in the portfolio included: MICROSOFT CORP ($166.37M), LAM RESEARCH CORP ($125.99M), and ALPHABET INC ($109.83M).
The chart below shows the top 10 valuable assets, and the table below shows the top 89 valuable assets.
You can see similar for other investment managers.
Related Topics: SEC Topic List.
Data Source: SEC.
MARINER INVESTMENT GROUP LLC - Stock Holdings in 13F Filings (SEC)
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| Name of Issuer | No. of Shares | Value ($) | Class |
|---|---|---|---|
| MICROSOFT CORP | 344000 | 166365280 | COM |
| LAM RESEARCH CORP | 736000 | 125988480 | COM NEW |
| ALPHABET INC | 350000 | 109830000 | CAP STK CL C |
| COSTCO WHSL CORP NEW | 125000 | 107792500 | COM |
| ISHARES BITCOIN TRUST ETF | 2146536 | 106575512 | SHS BEN INT |
| CISCO SYS INC | 1372000 | 105685160 | COM |
| ASML HOLDING N V | 93000 | 99496980 | N Y REGISTRY SHS |
| TEXAS INSTRS INC | 559000 | 96980910 | COM |
| NVIDIA CORPORATION | 497000 | 92690500 | COM |
| LINDE PLC | 200000 | 85278000 | SHS |
| INTEL CORP | 2200000 | 81180000 | COM |
| HONEYWELL INTL INC | 392000 | 76475280 | COM |
| APPLE INC | 248000 | 67421280 | COM |
| MASTERCARD INCORPORATED | 100000 | 57088000 | CL A |
| CINTAS CORP | 269000 | 50590830 | COM |
| MCDONALDS CORP | 163000 | 49817690 | COM |
| LOWES COS INC | 101000 | 24357160 | COM |
| ISHARES TR | 400000 | 20180000 | 10+ YR INVST GRD |
| RITHM CAPITAL CORP | 868711 | 9468950 | COM NEW |
| SHIFT4 PMTS INC | 125000 | 7871250 | CL A |
| DUKE ENERGY CORP NEW | 76250 | 6008263 | COM NEW |
| NUVEEN FLOATING RATE INCOME | 633488 | 4960211 | COM |
| ENTERGY CORP NEW | 45000 | 4159350 | COM |
| REDWOOD TRUST INC | 745346 | 4121763 | COM |
| LINCOLN ELEC HLDGS INC | 16000 | 3834240 | COM |
| GRUPO AEROMEXICO SAB DE CV | 169280 | 3717389 | SPONSORED ADS |
| CHIMERA INVT CORP | 290000 | 3604700 | COM SHS |
| MASTEC INC | 14500 | 3151865 | COM |
| WILLIAMS COS INC | 195000 | 2829950 | COM |
| TALEN ENERGY CORP | 5000 | 1874200 | COM |
| COMFORT SYS USA INC | 2000 | 1866580 | COM |
| RANGE RES CORP | 176000 | 1712960 | COM |
| FERGUSON ENTERPRISES INC | 6000 | 1335780 | COMMON STOCK NEW |
| ANTERO RESOURCES CORP | 38500 | 1326710 | COM |
| LYONDELLBASELL INDUSTRIES N | 500000 | 1316000 | SHS - A - |
| COMCAST CORP NEW | 162500 | 1311725 | CL A |
| EQT CORP | 20000 | 1072000 | COM |
| DYCOM INDS INC | 3000 | 1013700 | COM |
| VISTRA CORP | 40000 | 1003525 | COM |
| KROGER CO | 15000 | 937200 | COM |
| VALMONT INDS INC | 2000 | 804640 | COM |
| CORNING INC | 200000 | 738000 | COM |
| VERTIV HOLDINGS CO | 75000 | 663750 | COM CL A |
| CHEMOURS CO | 105000 | 650950 | COM |
| LUMEN TECHNOLOGIES INC | 75000 | 582750 | COM |
| CONSTELLATION ENERGY CORP | 30000 | 562500 | COM |
| CROWN HLDGS INC | 5000 | 514850 | COM |
| COGENT COMMUNICATIONS HLDGS | 105000 | 477750 | COM NEW |
| LENNAR CORP | 58500 | 459225 | CL A |
| LEGENCE CORP | 10000 | 430400 | CL A |
| DOW INC | 550000 | 411500 | COM |
| ISHARES TR | 1498500 | 394285 | IBOXX HI YD ETF |
| OLIN CORP | 200000 | 362500 | COM PAR $1 |
| WOLFSPEED INC | 20000 | 348200 | COMMON STOCK |
| MARTIN MARIETTA MATLS INC | 500 | 311330 | COM |
| CREDO TECHNOLOGY GROUP HOLDI | 2000 | 287780 | ORDINARY SHARES |
| VULCAN MATLS CO | 1000 | 285220 | COM |
| NOBLE CORP PLC | 10000 | 282400 | ORD SHS A |
| EXPRO GROUP HOLDINGS NV | 20000 | 267000 | COM |
| FS KKR CAP CORP | 425000 | 266250 | COM |
| D R HORTON INC | 61500 | 258300 | COM |
| BUILDERS FIRSTSOURCE INC | 100000 | 237500 | COM |
| POST HLDGS INC | 75000 | 225000 | COM |
| ISHARES TR | 2636 | 218314 | 1 3 YR TREAS BD |
| WORTHINGTON ENTERPRISES INC | 4196 | 216388 | COM |
| CATERPILLAR INC | 40000 | 210000 | COM |
| TELEPHONE & DATA SYS INC | 5000 | 205000 | COM NEW |
| BROADCOM INC | 10000 | 180750 | COM |
| CONOCOPHILLIPS | 50000 | 175000 | COM |
| COREWEAVE INC | 27000 | 147095 | COM CL A |
| ONEOK INC NEW | 100000 | 127500 | COM |
| HALLIBURTON CO | 100000 | 126000 | COM |
| CARRIER GLOBAL CORPORATION | 50000 | 125000 | COM |
| EATON VANCE MUN BD FD | 12181 | 118521 | COM |
| INTERNATIONAL PAPER CO | 100000 | 117500 | COM |
| SPDR S&P 500 ETF TR | 125000 | 92875 | TR UNIT |
| ISHARES TR | 206500 | 90110 | RUSSELL 2000 ETF |
| INVESCO QQQ TR | 50000 | 66750 | UNIT SER 1 |
| FMC CORP | 50000 | 66250 | COM NEW |
| UNITED AIRLS HLDGS INC | 75000 | 64125 | COM |
| BLACKSTONE SECD LENDING FD | 125000 | 43750 | COMMON STOCK |
| SMURFIT WESTROCK PLC | 50000 | 40000 | SHS |
| ISHARES TR | 50000 | 37500 | EXPANDED TECH |
| DELTA AIR LINES INC DEL | 50000 | 30000 | COM NEW |
| HOWMET AEROSPACE INC | 25000 | 18750 | COM |
| DOXIMITY INC | 40000 | 5000 | CL A |
| BOREALIS FOODS INC | 23300 | 1167 | *W EXP 02/07/202 |
| CYCURION INC | 30000 | 1020 | *W EXP 02/13/203 |
| BOLT PROJS HLDGS INC | 19150 | 317 | *W EXP 08/13/202 |
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