Mariner Investment Group Portfolio holdings
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$77M |
| 2 |
Rithm Capital
RITM
|
+$11.2M |
| 3 |
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
|
+$7.12M |
| 4 |
Brighthouse Financial
BHF
|
+$6.64M |
| 5 |
Shift4
FOUR
|
+$4.18M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$58.3M |
| 2 |
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
|
+$26.8M |
| 3 |
Nuveen Floating Rate Income Fund
JFR
|
+$14.3M |
| 4 |
Vanguard S&P 500 ETF
VOO
|
+$13.2M |
| 5 |
Corning
GLW
|
+$5.23M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Real Estate | 5.3% |
| 2 | Utilities | 4.46% |
| 3 | Financials | 2.18% |
| 4 | Technology | 1.96% |
| 5 | Industrials | 1.66% |
Similar funds
Mariner Investment Group's Q3 2025 Portfolio in Review
As of Q3 2025, Mariner Investment Group held 101 positions worth $331M, up 17% from $282M the previous quarter. Its ten largest holdings account for 78% of the portfolio.
Mariner Investment Group deployed $236M of net new capital in Q3 2025, opening 28 new positions and adding to 10 existing holdings. Its largest new stake was Brighthouse Financial: 136,000 shares worth $7.22M.
By sector, the portfolio is most concentrated in Real Estate at 5.3% of assets, up from 0.74% a quarter earlier, followed by Utilities and Financials.
On the sell side, the largest reduction was State Street SPDR S&P 500 ETF Trust, an estimated $58.3M trimmed.
- Mariner Investment Group's largest Q3 2025 buy was Brighthouse Financial: 136,000 shares worth $7.22M.
- Mariner Investment Group added most to iShares Bitcoin Trust in Q3 2025, an estimated $77M increase.
- Mariner Investment Group's biggest Q3 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $58.3M.
- Mariner Investment Group fully exited iShares iBoxx $ High Yield Corporate Bond ETF in Q3 2025, selling an estimated $26.8M.
- Mariner Investment Group's ten largest holdings make up 78% of its $331M portfolio in Q3 2025.
- Mariner Investment Group opened 28 new positions and closed 25 in Q3 2025.
- Mariner Investment Group's portfolio value rose 17% quarter-over-quarter to $331M.
Based on Mariner Investment Group's 13F filing for Q3 2025, filed 14 Nov 2025.