Mariner Investment Group
Mariner Investment Group reported 64 stocks worth $271M in its 13F filing for Q2 2026, filed Jul 27, 2026. Its largest holdings are IBIT (38.4%), SPY (21.0%) and RITM (4.6%). Compared with Q1 2026, the fund opened new positions in SPY, MUB and GLW, added to SHY, VCSH and LECO, trimmed FOUR, WOLF and PMTS and sold out of CAT, SOLS and LGN.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  IBIT Ishares Bitcoin Trust ETF | $104M | 38.4% | 3.1M | No change | 5 of 8 | |
| 2 |  SPY Spdr S&P 500 ETF TR | $57.1M | 21.0% | 76K | New position | 6 of 8 | |
| 3 |  RITM Rithm Capital Corp | $12.5M | 4.6% | 1.3M | No change | 5 of 8 | |
| 4 |  SHY Ishares 1-3 Year Treasry | $8.3M | 3.1% | 101K | +25K (+33%) | 3 of 8 | |
| 5 |  CIM Chimera Invt Corp Equity | $5.1M | 1.9% | 379K | No change | 4 of 8 | |
| 6 |  MUB Ishares TR | $4.9M | 1.8% | 45K | New position | 1 of 8 | |
| 7 |  ETR Entergy Corp New | $4.6M | 1.7% | 40K | No change | 7 of 8 | |
| 8 |  VCSH Vanguard Scottsdale Fds | $4.2M | 1.6% | 53K | +996 (+2%) | 2 of 8 | |
| 9 |  LECO Lincoln Elec Hldgs Inc | $4.2M | 1.5% | 16K | +9,705 (+162%) | 5 of 8 | |
| 10 |  WMB Williams Cos Inc | $4.1M | 1.5% | 55K | +10K (+22%) | 6 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 CAT Caterpillar Inc | $2.7M | 3,800 |
 SOLS Solstice Advanced Matls Inc | $1.1M | 15K |
 LGN Legence Corp | $847K | 15K |
 MCHP Microchip Technology Inc | $840K | 13K |
 MTSI Macom Tech Solutions Hldgs I | $666K | 3,000 |
🔒 Free account: see all 6.
Options
valued at the underlying shares| Stock | Type | Value | Shares | Change |
|---|---|---|---|---|
 QQQ Invesco Qqq TR | Call | $19.5M | 1.4M | +1,400,000 |
 COHR Coherent Corp | Call | $2.4M | 37K | −6,000 |
 CIEN Ciena Corp | Call | $2.1M | 36K | +36,000 |
 Q Qnity Electronics Inc | Call | $1.6M | 100K | +50,000 |
 ENTG Entegris Inc | Call | $1.1M | 50K | +25,000 |
🔒 Free account: see all 20.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Jul 27, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Mariner Investment Group 13F FAQ
What does Mariner Investment Group own?
Mariner Investment Group reported 64 stocks worth $271M in its 13F filing for Q2 2026, filed Jul 27, 2026. Its largest holdings are IBIT (38.4%), SPY (21.0%) and RITM (4.6%). The table above lists every position in the filing (the top 10 without an account).
What did Mariner Investment Group buy and sell in Q2 2026?
Compared with Q1 2026: 26 new positions, 13 added to, 3 trimmed and 6 sold out. New positions include SPY, MUB and GLW. It sold all of CAT, SOLS and LGN.
When will Mariner Investment Group file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Mariner Investment Group's portfolio worth?
The Q2 2026 filing reports $271M in US stocks ($308M including options). That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.