Read this manager's filing book
Disclosed positions
MARINER INVESTMENT GROUP LLC: source evidence dated 2026-07-28T03:59:59.999Z.
- Issuer
- ISHARES BITCOIN TRUST ETF
- Ticker
- IBIT
- Class
- SHS BEN INT
- Reported value
- $104,176,128
- Reported amount
- 3,129,352
- Unit
- SH
- Option
- None
The displayed owner or issuer and source fields identify the receipt to verify; keep reporting and availability dates separate.
What was reported for this quarter?
13F positions are dated quarter-end holdings, with later publication and possible amendments. Read report period and availability before calling them current.
SEC 13F-HR: 0001096978-26-000006Open the effective filing receipt and inspect shares, value and any put/call classification separately.
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Open the effective filing receipt and inspect shares, value and any put/call classification separately.
Browse institutional filingsKeep reporting dates and units beside the answer, and inspect its original citations.
Disclosed positions
See the complete disclosed positions
| ISHARES BITCOIN TRUST ETF | IBIT | SHS BEN INT | $104,176,128 | 3,129,352 | SH | None |
| STATE STR SPDR S&P 500 ETF T | SPY | TR UNIT | $57,109,236 | 76,475 | SH | None |
| ALIBABA GROUP HLDG LTD | BABA | NOTE 0.500% 6/0 | $35,430,000 | 30,000,000 | PRN | None |
| FLUOR CORP | FLR | NOTE 1.125% 8/1 | $33,301,425 | 25,100,000 | PRN | None |
| DOORDASH INC | Unresolved | NOTE 5/1 | $24,656,250 | 25,000,000 | PRN | None |
| GLOBAL PMTS INC | GPN | NOTE 1.500% 3/0 | $22,500,000 | 25,000,000 | PRN | None |
| INVESCO QQQ TR | QQQ | UNIT SER 1 | $19,474,000 | 1,400,000 | SH | Call |
| RIVIAN AUTOMOTIVE INC | RIVN | NOTE 3.625%10/1 | $16,015,868 | 15,000,000 | PRN | None |
| RITHM CAPITAL CORP | RITM | COM NEW | $12,512,954 | 1,332,583 | SH | None |
| AKAMAI TECHNOLOGIES INC | Unresolved | NOTE 0.250% 5/1 | $10,955,626 | 7,500,000 | PRN | None |
| ISHARES TR | SHY | 1 3 YR TREAS BD | $8,309,450 | 101,199 | SH | None |
| LIVE NATION ENTERTAINMENT IN | LYV | NOTE 2.875% 1/1 | $5,980,000 | 5,000,000 | PRN | None |
| CHIMERA INVT CORP | CIM | COM SHS | $5,054,513 | 378,899 | SH | None |
| ISHARES TR | MUB | NATIONAL MUN ETF | $4,891,759 | 45,454 | SH | None |
| ENTERGY CORP NEW | ETR | COM | $4,594,400 | 40,000 | SH | None |
| VANGUARD SCOTTSDALE FDS | VCSH | SHRT TRM CORP BD | $4,213,643 | 53,317 | SH | None |
| LINCOLN ELEC HLDGS INC | LECO | COM | $4,169,835 | 15,705 | SH | None |
| WILLIAMS COS INC | WMB | COM | $4,088,700 | 55,000 | SH | None |
| CORNING INC | GLW | COM | $3,576,020 | 14,000 | SH | None |
| SHIFT4 PMTS INC | FOUR | 6 SER A CNV PREF | $3,424,850 | 55,000 | SH | None |
| MASTEC INC | MTZ | COM | $3,328,480 | 8,000 | SH | None |
| GRUPO AEROMEXICO SAB DE CV | AERO | SPONSORED ADS | $3,047,040 | 169,280 | SH | None |
| FERGUSON ENTERPRISES INC | FERG | COMMON STOCK NEW | $2,847,960 | 12,000 | SH | None |
| ISHARES INC | EWZ | MSCI BRAZIL ETF | $2,760,000 | 80,000 | SH | None |
| REDWOOD TRUST INC | RWT | COM | $2,608,711 | 550,361 | SH | None |
| COHERENT CORP | COHR | COM | $2,440,025 | 36,500 | SH | Call |
| SHIFT4 PMTS INC | FOUR | CL A | $2,432,000 | 50,000 | SH | None |
| ISHARES TR | IEI | 3 7 YR TREAS BD | $2,413,715 | 20,551 | SH | None |
| CIENA CORP | CIEN | COM NEW | $2,142,000 | 36,000 | SH | Call |
| ISHARES TR | IEF | 7-10 YR TRSY BD | $2,136,904 | 22,596 | SH | None |
| PENNYMAC CORP | PMT | NOTE 8.500% 6/0 | $2,046,600 | 2,000,000 | PRN | None |
| MFA FINL INC | MFA | COM | $2,034,900 | 210,000 | SH | None |
| PENNYMAC MTG INVT TR | PMT | COM | $2,030,400 | 180,000 | SH | None |
| ISHARES TR | HYG | IBOXX HI YD ETF | $1,967,262 | 24,600 | SH | None |
| REDWOOD TRUST INC | RWT | NOTE 7.750% 6/1 | $1,827,000 | 1,800,000 | PRN | None |
| TOLL BROTHERS INC | TOL | COM | $1,647,500 | 10,000 | SH | None |
| REDFIN CORP | RDFN | NOTE 0.500% 4/0 | $1,587,425 | 1,645,000 | PRN | None |
| BRIGHTHOUSE FINL INC | BHF | COM | $1,582,500 | 25,000 | SH | None |
| ISHARES TR | TLT | 20 YR TR BD ETF | $1,562,474 | 18,080 | SH | None |
| QNITY ELECTRONICS INC | Q | COMMON STOCK | $1,555,000 | 100,000 | SH | Call |
| COMFORT SYS USA INC | FIX | COM | $1,486,463 | 750 | SH | None |
| IREN LIMITED | IREN | ORDINARY SHARES | $1,371,900 | 30,000 | SH | None |
| LUMEN TECHNOLOGIES INC | LUMN | COM | $1,344,000 | 175,000 | SH | None |
| DYNEX CAP INC | DX | COM | $1,245,450 | 95,000 | SH | None |
| GE VERNOVA INC | GEV | COM | $1,174,860 | 1,000 | SH | None |
| ISHARES TR | IGV | EXPANDED TECH | $1,132,500 | 12,500 | SH | None |
| RANGE RES CORP | RRC | COM | $1,115,700 | 30,000 | SH | None |
| ENTEGRIS INC | ENTG | COM | $1,085,000 | 50,000 | SH | Call |
| EQT CORP | EQT | COM | $1,063,400 | 20,000 | SH | None |
| LYONDELLBASELL INDUSTRIES NV | Unresolved | PUT | $1,045,000 | 200,000 | SH | Put |
No matching rows. Clear the filter to see all records.
Largest 50 positions by reported value; the filing may contain more positions.
How amendments affect these holdings
This view uses 1 effective filing version(s). A restatement replaces the previous book; a new-holdings amendment adds positions. 5 positions lack a resolved ticker and 48 positions are put or call entries.
A 13F is a delayed quarterly snapshot of disclosed holdings. It is not a complete trade ledger and does not reveal every position in a manager's portfolio. Option values refer to the reported underlying position rather than a traded option premium.
Quarter end and public filing date
Use the filing's public availability date when constructing a historical observation. The quarter-end report period is earlier and cannot be substituted for when the public learned the holdings.
