Mariner Investment Group LLC
Mariner Investment Group LLC reported 64 US-listed holdings worth $271.4 million in its 13F for the quarter ended 30 June 2026, filed 27 July 2026. Its largest: iShares Bitcoin Trust ETF (38.4%), SPDR S&P 500 (21.0%) and Rithm Capital Corp. (4.6%). Against the quarter before, it opened 26 positions, added to 13, trimmed 3 and sold out of 6.
Reported holdings$271.4M+39.7% on Q1 2026
Positions64+20 on Q1 2026
The largest ten77.0%of its reported holdings
Latest 13FQ2 2026filed 27 July 2026
OpenedAdded toHeld
The 14 largest of its 64 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned -8.0% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Its reported holdingsThe S&P 500
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Opened 26Added 13Held 22Trimmed 3Sold out 6
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 26
- SPDR S&P 500 SPY$57.1 million
- iShares Trust MUB$4.9 million
- Corning Inc. GLW$3.6 million
- SHIFT4 Pmts Inc. FOURPRA$3.4 million
- Ferguson Enterprises Inc. FERG$2.8 million
- iShares Inc. EWZ$2.8 million
- iShares Trust IEF$2.1 million
- iShares Trust HYG$2.0 million
and 18 more in the table below
Added to 13
- Lincoln Electric Holdings Inc. LECO+9,705 shares · +162%
- iShares Trust SHY+25,382 shares · +33%
- iShares Trust IEI+12,913 shares · +169%
- Mastec Inc. MTZ+2,000 shares · +33%
- Lumen Technologies, Inc. LUMN+100,000 shares · +133%
- Williams Companies, Inc. WMB+10,000 shares · +22%
- Karman Holdings Inc. KRMN+10,000 shares · +200%
- Wix.com Ltd. WIX+8,144 shares · +90%
and 5 more in the table below
Trimmed 3
- Shift4 Payments, Inc. FOUR-95,000 shares · -66%
- Wolfspeed Inc. WOLF-15,000 shares · -60%
- Cpi Card Group Inc. PMTS-5,000 shares · -28%
Sold out of 6
- Caterpillar Inc. CAT$2.7 million last quarter
- Solstice Advanced Materials Inc. SOLS$1.1 million last quarter
- Legence Corp. LGN$846,900 last quarter
- Microchip Technology Inc. MCHP$839,930 last quarter
- Macom Technology Solutions Holdings, Inc. MTSI$666,210 last quarter
- Wingstop Inc. WING$154,970 last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| iShares Bitcoin Trust ETF IBIT | 3.1M | $104.2 million | 38.38% | no change |
| SPDR S&P 500 SPY | 76.5K | $57.1 million | 21.04% | new |
| Rithm Capital Corp. RITM | 1.3M | $12.5 million | 4.61% | no change |
| iShares Trust SHY | 101.2K | $8.3 million | 3.06% | +25.4K |
| Chimera Invt Corp. CIM | 378.9K | $5.1 million | 1.86% | no change |
| iShares Trust MUB | 45.5K | $4.9 million | 1.80% | new |
| Entergy Corp. ETR | 40.0K | $4.6 million | 1.69% | no change |
| Vanguard Short-Term Corp. BD Idx VCSH | 53.3K | $4.2 million | 1.55% | +996 |
| Lincoln Electric Holdings Inc. LECO | 15.7K | $4.2 million | 1.54% | +9.7K |
| Williams Companies, Inc. WMB | 55.0K | $4.1 million | 1.51% | +10.0K |
| Corning Inc. GLW | 14.0K | $3.6 million | 1.32% | new |
| SHIFT4 Pmts Inc. FOURPRA | 55.0K | $3.4 million | 1.26% | new |
| Mastec Inc. MTZ | 8.0K | $3.3 million | 1.23% | +2.0K |
| Grupo Aeromexico Sab De CV AERO | 169.3K | $3.0 million | 1.12% | no change |
| Ferguson Enterprises Inc. FERG | 12.0K | $2.8 million | 1.05% | new |
| iShares Inc. EWZ | 80.0K | $2.8 million | 1.02% | new |
| Redwood Trust Inc. RWT | 550.4K | $2.6 million | 0.96% | no change |
| Shift4 Payments, Inc. FOUR | 50.0K | $2.4 million | 0.90% | -95.0K |
| iShares Trust IEI | 20.6K | $2.4 million | 0.89% | +12.9K |
| iShares Trust IEF | 22.6K | $2.1 million | 0.79% | new |
| Mfa Finl Inc. MFA | 210.0K | $2.0 million | 0.75% | no change |
| PennyMac Mortgage Investment Trust PMT | 180.0K | $2.0 million | 0.75% | no change |
| iShares Trust HYG | 24.6K | $2.0 million | 0.72% | new |
| Toll Brothers, Inc. TOL | 10.0K | $1.6 million | 0.61% | new |
| Brighthouse Financial, Inc. BHF | 25.0K | $1.6 million | 0.58% | new |
| iShares Trust TLT | 18.1K | $1.6 million | 0.58% | new |
| Comfort Systems USA Inc. FIX | 750 | $1.5 million | 0.55% | new |
| Iren Ltd. IREN | 30.0K | $1.4 million | 0.51% | new |
| Lumen Technologies, Inc. LUMN | 175.0K | $1.3 million | 0.50% | +100.0K |
| Dynex CAP INC COM (dx) DX | 95.0K | $1.2 million | 0.46% | no change |
| GE Vernova Inc. GEV | 1.0K | $1.2 million | 0.43% | new |
| iShares Trust IGV | 12.5K | $1.1 million | 0.42% | no change |
| Range Resources Corp. RRC | 30.0K | $1.1 million | 0.41% | no change |
| EQT Corp. EQT | 20.0K | $1.1 million | 0.39% | no change |
| Sabre Corp. SABR | 400.0K | $836,000 | 0.31% | new |
| Walmart Inc. WMT | 7.3K | $822,721 | 0.30% | no change |
| Wix.com Ltd. WIX | 17.1K | $777,823 | 0.29% | +8.1K |
| Karman Holdings Inc. KRMN | 15.0K | $748,800 | 0.28% | +10.0K |
| Qnity Electronics, Inc. Q | 4.0K | $653,240 | 0.24% | new |
| Core Scientific, Inc. CORZ | 25.0K | $639,750 | 0.24% | +5.0K |
| Cipher Digital Inc. CIFR | 25.0K | $612,500 | 0.23% | new |
| Cisco Systems, Inc. CSCO | 5.0K | $587,300 | 0.22% | new |
| Crown Holdings, Inc. CCK | 5.0K | $559,100 | 0.21% | no change |
| AES Corp. AES | 35.0K | $513,100 | 0.19% | no change |
| CoreWeave, Inc. CRWV | 5.0K | $497,700 | 0.18% | new |
| Flex Ltd. FLEX | 3.0K | $486,210 | 0.18% | new |
| Wolfspeed Inc. WOLF | 10.0K | $482,500 | 0.18% | -15.0K |
| Expro Group Holdings NV XPRO | 30.0K | $443,100 | 0.16% | +10.0K |
| Iheartmedia Inc. IHRT | 102.1K | $437,855 | 0.16% | +38.9K |
| Two Harbors Invesm TWO | 32.8K | $406,750 | 0.15% | no change |
| McDonald's Corp. MCD | 1.5K | $405,465 | 0.15% | new |
| AG MTG Invt Trust Inc. MITT | 48.1K | $380,904 | 0.14% | no change |
| Noble Corp. plc NE | 10.0K | $373,000 | 0.14% | no change |
| Telephone & Data Systems Inc. TDS | 10.0K | $370,100 | 0.14% | +5.0K |
| Packaging Corp. of America PKG | 1.5K | $357,420 | 0.13% | no change |
| USA Rare Earth Inc. USAR | 15.0K | $323,700 | 0.12% | new |
| Aevex Corp. Class A AVEX | 13.5K | $282,600 | 0.10% | new |
| Cpi Card Group Inc. PMTS | 13.1K | $271,179 | 0.10% | -5.0K |
| Tower Semiconductor Ltd TSEM | 1.0K | $260,640 | 0.10% | new |
| Enphase Energy, Inc. ENPH | 5.0K | $246,200 | 0.09% | new |
| Angel Oak Mortgage REIT Inc. AOMR | 17.8K | $161,206 | 0.06% | no change |
| Bleichroeder Acquisiti Corp. BBCQW | 10.0K | $21,800 | 0.01% | new |
| Borealis Foods Inc. BRLSW | 23.3K | $1,093 | 0.00% | no change |
| Western Acqstn Ventures Corp. CYCUW | 30.0K | $525 | 0.00% | no change |
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
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Change is shares against its 13F for the quarter before; the 6 it sold out of are in the box above.Options it reported
| Company | Option | Shares under the options | Value of those shares |
|---|---|---|---|
| Invesco QQQ Trust QQQ | Calls | 1.4M | $19.5 million |
| Coherent Corp. COHR | Calls | 36.5K | $2.4 million |
| Ciena Corp. CIEN | Calls | 36.0K | $2.1 million |
| Qnity Electronics, Inc. Q | Calls | 100.0K | $1.6 million |
| Entegris Inc. ENTG | Calls | 50.0K | $1.1 million |
| Lyondellbasell Industries N | Puts | 200.0K | $1.0 million |
| GE Vernova Inc. GEV | Calls | 10.0K | $846,000 |
| Caterpillar Inc. CAT | Calls | 15.5K | $790,113 |
| Shift4 Payments, Inc. FOUR | Calls | 150.0K | $667,500 |
| Olin Corp. OLN | Puts | 254.0K | $665,450 |
| Dow Inc. DOW | Puts | 268.5K | $620,733 |
| Quanta Services, Inc. PWR | Calls | 30.0K | $607,500 |
| Solstice Advanced Materials Inc. SOLS | Calls | 94.0K | $502,900 |
| iShares Trust HYG | Puts | 1.9M | $492,000 |
| Invesco Exch Traded FD Trust II BKLN | Puts | 1.4M | $421,160 |
| Nokia Corporation NOK | Calls | 500.0K | $365,000 |
| Apollo Global Management, Inc. APO | Puts | 40.0K | $286,000 |
| SPDR S&P 500 SPY | Puts | 170.0K | $275,705 |
| Post Holdings, Inc. POST | Puts | 75.0K | $266,250 |
| FS KKR Cap Corp. FSK | Puts | 700.0K | $257,500 |
| Howmet Aerospace Inc. HWM | Calls | 70.0K | $235,500 |
| Ares Management Corp. ARES | Puts | 40.0K | $222,000 |
| STMicroelectronics N.V. STM | Calls | 28.5K | $161,025 |
| Invesco QQQ Trust QQQ | Puts | 26.8K | $152,224 |
| Lennar Corp. LEN | Puts | 123.5K | $151,813 |
| Oaktree Specialty Lending Corp. Com OCSL | Puts | 304.0K | $136,800 |
| Blackstone Secd Lending FD BXSL | Puts | 325.0K | $105,625 |
| Ares Capital Corp. ARCC | Puts | 200.0K | $95,000 |
| Eaton Corp. plc ETN | Puts | 18.0K | $94,500 |
| Golub Cap BDC Inc. GBDC | Puts | 200.0K | $87,500 |
| Iris Energy Ltd | Calls | 40.0K | $69,000 |
| iShares Trust TLT | Calls | 250.0K | $60,000 |
| D.R. Horton, Inc. DHI | Puts | 61.5K | $55,350 |
| International Business Machines Corp. IBM | Calls | 23.5K | $47,353 |
| Select Sector SPDR Trust XLE | Puts | 100.0K | $40,000 |
| Williams Companies, Inc. WMB | Calls | 50.0K | $38,750 |
| SPDR S&P 500 SPY | Calls | 50.0K | $32,250 |
| Albemarle Corp. ALB | Calls | 40.0K | $27,050 |
| iShares Trust ITA | Puts | 10.0K | $26,000 |
| United STS Oil FD LP USO | Puts | 20.0K | $24,800 |
| PulteGroup Inc. PHM | Puts | 33.5K | $23,450 |
| iShares Trust LQD | Puts | 158.6K | $18,239 |
| Karman Holdings Inc. KRMN | Calls | 18.0K | $17,100 |
| Carrier Global Corp. CARR | Puts | 50.0K | $16,250 |
| Shift4 Payments, Inc. FOUR | Puts | 50.0K | $15,000 |
| International Paper Co. IP | Puts | 50.0K | $13,750 |
| SPDR Ser Trust KRE | Puts | 20.0K | $11,800 |
| Pan Amern Silver Corp. PAAS | Calls | 25.0K | $6,250 |
| Corning Inc. GLW | Calls | 0 | $0 |
49 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.