Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

MARINER INVESTMENT GROUP LLC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

MARINER INVESTMENT GROUP LLC (CIK 1096978) reported $345.9M across 43 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: IBIT ($120.2M, 34.76%), BABA ($34.7M, 10.04%), FLR ($31.0M, 8.96%), GPN ($22.1M, 6.38%), SNOW ($17.7M, 5.13%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1IBITISHARES BITCOIN TRUST ETF$120.2M34.76%3.1MAdded
2BABAALIBABA GROUP HLDG LTD$34.7M10.04%25.0MAdded
3FLRFLUOR CORP$31.0M8.96%25.1MAdded
4GPNGLOBAL PMTS INC$22.1M6.38%25.0MNew
5SNOWSNOWFLAKE INC$17.7M5.13%15.0MAdded
6RITMRITHM CAPITAL CORP$12.6M3.65%1.3MAdded
7ONON SEMICONDUCTOR CORP$12.2M3.54%12.5MAdded
8LYVLIVE NATION ENTERTAINMENT IN$7.6M2.20%5.0MHold
9FOURSHIFT4 PMTS INC$7.0M2.02%470,000Added
10SHYISHARES TR$6.3M1.81%75,817Added
11SPYSTATE STR SPDR S&P 500 ETF T$5.8M1.68%1.4MAdded
12LYVLIVE NATION ENTERTAINMENT IN$5.4M1.56%5.0MHold
13CIMCHIMERA INVT CORP$4.8M1.37%378,899Added
14ETRENTERGY CORP NEW$4.5M1.30%40,000Trimmed
15VCSHVANGUARD SCOTTSDALE FDS$4.1M1.20%52,321New
16WMBWILLIAMS COS INC$3.4M0.99%95,000Trimmed
17RWTREDWOOD TRUST INC$3.1M0.89%550,361Trimmed
18CATCATERPILLAR INC$2.7M0.79%8,800Trimmed
19GRUPO AEROMEXICO SAB DE CV$2.4M0.69%169,280Hold
20PMTPENNYMAC MTG INVT TR$2.1M0.61%180,000New
21MFAMFA FINL INC$2.0M0.58%210,000New
22MTZMASTEC INC$1.9M0.56%6,000Trimmed
23RWT-PAREDWOOD TRUST INC$1.8M0.53%1.8MHold
24RDFNREDFIN CORP$1.6M0.46%1.6MHold
25LECOLINCOLN ELEC HLDGS INC$1.5M0.43%6,000Trimmed

Source: SEC Form 13F filings · as of 2026-03-31