Mariner Investment Group LLC Portfolio Holdings

Mariner Investment Group LLC

  • $537 Million
  • Q3 2025

Mariner Investment Group LLC has filed its 13F form on November 14, 2025 for Q3 2025 where it was disclosed a total value porftolio of $537 Million distributed in 76 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Spdr S&P 500 ETF Trust with a value of $25.6M, Ishares Iboxx $ Investment Gra with a value of $21M, Nuveen Floating Rate Income Fund with a value of $18.5M, Brighthouse Financial, Inc. with a value of $7.22M, and New Residential Investment Corp. with a value of $7.07M.

Examining the 13F form we can see an increase of $104M in the current position value, from $433M to 537M.

Mariner Investment Group LLC is based out at Harrison, NY

Below you can find more details about Mariner Investment Group LLC portfolio as well as his latest detailed transactions.

Portfolio value $537 Million
ETFs: $328 Million
Technology: $40.6 Million
Utilities: $30.2 Million
Financial Services: $29.8 Million
Energy: $27.4 Million
Industrials: $26 Million
Basic Materials: $24.5 Million
Real Estate: $12 Million
Other: $18.9 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$0
$25.6 Million 4.76% of portfolio
38,422
Q3 2025 Reduced 70.3%
$0
$21 Million 3.9% of portfolio
188,000
Q3 2025 Added 52.6%
$0
$18.5 Million 3.44% of portfolio
2,257,194
Q3 2025 Reduced 42.99%
$4.72B
$7.22 Million 1.34% of portfolio
136,000
Q3 2025 New
$5.08B
$7.07 Million 1.32% of portfolio
975,000
Q3 2025 Added 1,850.0%
$96.4B
$4.95 Million 0.92% of portfolio
40,000
Q3 2025 Reduced 20.0%
$584M
$4.91 Million 0.91% of portfolio
847,411
Q3 2025 Added 323.71%
$19.3B
$4.19 Million 0.78% of portfolio
45,000
Q3 2025 Reduced 10.0%
$13.1B
$3.54 Million 0.66% of portfolio
15,000
Q3 2025 Added 114.29%
$3.57B
$3.48 Million 0.65% of portfolio
45,000
Q3 2025 New
$72.7B
$2.94 Million 0.55% of portfolio
15,000
Q3 2025 Reduced 40.0%
$111B
$2.67 Million 0.5% of portfolio
8,100
Q3 2025 Added 170.0%
$74.3B
$2.53 Million 0.47% of portfolio
40,000
Q3 2025 Reduced 27.27%
$388B
$2.02 Million 0.38% of portfolio
12,500
Q3 2025 New
$0
$1.16 Million 0.22% of portfolio
116,847
Q3 2025 Reduced 41.58%
$2.7B
$1.09 Million 0.2% of portfolio
21,292
Q3 2025 Reduced 52.69%
$68.7B
$835,000 0.16% of portfolio
10,000
Q3 2025 New
$8.49B
$775,000 0.14% of portfolio
2,000
Q2 2025 New
$47.8B
$674,000 0.13% of portfolio
10,000
Q1 2025 Reduced 50.0%
$0
$636,000 0.12% of portfolio
12,500
Q3 2025 New
$10.1B
$564,000 0.1% of portfolio
15,000
Q3 2025 Reduced 57.14%
$8.27B
$459,000 0.09% of portfolio
75,000
Q2 2025 Added 200.0%
$37.2B
$315,000 0.06% of portfolio
500
Q2 2025 New
$15B
$340,000 0.06% of portfolio
1,600
Q3 2025 Reduced 68.0%
$37.3B
$307,000 0.06% of portfolio
1,000
Q2 2025 New
$769M
$335,000 0.06% of portfolio
16,114
Q3 2025 New
$1.47B
$237,000 0.04% of portfolio
20,000
Q3 2025 New
$2.98B
$200,000 0.04% of portfolio
10,000
Q2 2025 New
Chimera Invt Corp
-
$0 0.0% of portfolio
-
Q3 2025 New
Snowflake Inc
-
$0 0.0% of portfolio
-
Q3 2025 New
Ford Mtr CO
-
$0 0.0% of portfolio
-
Q3 2025 New
Borealis Foods Inc
-
$0 0.0% of portfolio
-
Q1 2024 New
Ishares Bitcoin Trust ETF
-
$0 0.0% of portfolio
-
Q3 2025 Added 142.29%
Bolt Projs Hldgs Inc
-
$0 0.0% of portfolio
-
Q3 2024 New
Alibaba Group Hldg LTD
-
$0 0.0% of portfolio
-
Q3 2025 New
Coreweave Inc
-
$0 0.0% of portfolio
-
Q3 2025 New
Redwood Trust Inc
-
$0 0.0% of portfolio
-
Q3 2025 Added 153.85%
Nextera Energy Cap Hldgs Inc
-
$0 0.0% of portfolio
-
Q3 2025 New
Noble Corp PLC
-
$0 0.0% of portfolio
-
Q2 2025 New
$0
$2,000 0.0% of portfolio
30,000
Q4 2022 New
On Semiconductor Corp
-
$0 0.0% of portfolio
-
Q3 2025 New
Pennymac Corp
-
$0 0.0% of portfolio
-
Q3 2025 New
Jd.Com Inc
-
$0 0.0% of portfolio
-
Q3 2025 New
Fluor Corp
-
$0 0.0% of portfolio
-
Q3 2025 New
Redfin Corp
-
$0 0.0% of portfolio
-
Q4 2024 New
$23.9B
$0 0.0% of portfolio
-
Q2 2025 New
Wolfspeed Inc
-
$0 0.0% of portfolio
-
Q3 2025 New

Summary

  • Portfolio
  • No. of Stocks 76
  • Current Value $537 Million
  • Prior Value $433 Million
  • Filing
  • Period Q3 2025
  • Filing Date November 14, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 19 stocks
  • Additional Purchases 7 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 10 stocks
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