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MIG

Mariner Investment Group Portfolio holdings

AUM $463M
1-Year Est. Return 13.33%
This Fund
S&P 500
This Quarter Est. Return
+12.03%
1 Year Est. Return
+13.33%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$282M
AUM Growth
+$27.5M
Cap. Flow
+$119M
Cap. Flow %
42.17%
Top 10 Hldgs %
84.15%
Holding
79
New
41
Increased
11
Reduced
6
Closed
13

Sector Composition

Rank Sector Weight
1 Utilities 5.93%
2 Energy 5.29%
3 Industrials 3.51%
4 Technology 1.57%
5 Communication Services 1.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
XLU icon
76
PUT
State Street Utilities Select Sector SPDR ETF
XLU
$22.6B
-900,000
Closed -$49.5K

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Mariner Investment Group's Q2 2025 Portfolio in Review

As of Q2 2025, Mariner Investment Group held 79 positions worth $282M, up 11% from $254M the previous quarter. Its ten largest holdings account for 84% of the portfolio.

Mariner Investment Group deployed $119M of net new capital in Q2 2025, opening 41 new positions and adding to 11 existing holdings. Its largest new stake was iShares Bitcoin Trust: 831,680 shares worth $50.9M.

By sector, the portfolio is most concentrated in Utilities at 5.9% of assets, up from 4% a quarter earlier, followed by Energy and Industrials.

On the sell side, the largest reduction was State Street SPDR S&P 500 ETF Trust, an estimated $25.6M trimmed.

  • Mariner Investment Group's largest Q2 2025 buy was iShares Bitcoin Trust: 831,680 shares worth $50.9M.
  • Mariner Investment Group added most to iShares iBoxx $ High Yield Corporate Bond ETF in Q2 2025, an estimated $13.5M increase.
  • Mariner Investment Group's biggest Q2 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $25.6M.
  • Mariner Investment Group fully exited Invesco Senior Loan ETF in Q2 2025, selling an estimated $63.8M.
  • Mariner Investment Group's ten largest holdings make up 84% of its $282M portfolio in Q2 2025.
  • Mariner Investment Group opened 41 new positions and closed 13 in Q2 2025.
  • Mariner Investment Group's portfolio value rose 11% quarter-over-quarter to $282M.

Based on Mariner Investment Group's 13F filing for Q2 2025, filed 16 Jul 2025.