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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
+2.13%
1 Year Est. Return
+13.33%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$1.71B
AUM Growth
+$1.38B
Cap. Flow
+$1.45B
Cap. Flow %
84.65%
Top 10 Hldgs %
64.03%
Holding
130
New
52
Increased
17
Reduced
10
Closed
20

Top Buys

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$172M
2
LRCX icon
Lam Research
LRCX
+$114M
3
COST icon
Costco
COST
+$113M
4
CSCO icon
Cisco
CSCO
+$102M
5
GOOG icon
Alphabet (Google) Class C
GOOG
+$100M

Sector Composition

Rank Sector Weight
1 Technology 49.3%
2 Industrials 8.37%
3 Communication Services 6.53%
4 Consumer Staples 6.35%
5 Materials 5.05%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
DOW icon
51
PUT
Dow Inc
DOW
$21.2B
$412K 0.02%
550,000
+116,500
+27% +$2.68M
OLN icon
52
PUT
Olin
OLN
$2.12B
$363K 0.02%
200,000
+100,000
+100% +$2.16M
WOLF icon
53
Wolfspeed
WOLF
$1.71B
$348K 0.02%
20,000
-5,000
-20% -$115K
MLM icon
54
Martin Marietta Materials
MLM
$33B
$311K 0.02%
500
CRDO icon
55
Credo Technology Group
CRDO
$46.6B
$288K 0.02%
+2,000
New +$308K
VMC icon
56
Vulcan Materials
VMC
$36.9B
$285K 0.02%
1,000
NE icon
57
Noble Corp
NE
$6.51B
$282K 0.02%
10,000
XPRO icon
58
Expro Ltd
XPRO
$1.91B
$267K 0.02%
20,000
FSK icon
59
PUT
FS KKR Capital
FSK
$3.44B
$266K 0.02%
425,000
+225,000
+113% +$3.41M
DHI icon
60
PUT
D.R. Horton
DHI
$42.3B
$258K 0.02%
+61,500
New +$9.36M
BLDR icon
61
PUT
Builders FirstSource
BLDR
$8.04B
$238K 0.01%
100,000
POST icon
62
PUT
Post Holdings
POST
$3.57B
$225K 0.01%
75,000
+25,000
+50% +$2.59M
SHY icon
63
iShares 1-3 Year Treasury Bond ETF
SHY
$25.1B
$218K 0.01%
+2,636
New +$219K
WOR icon
64
Worthington Enterprises
WOR
$2.86B
$216K 0.01%
+4,196
New +$232K
CAT icon
65
CALL
Caterpillar
CAT
$387B
$210K 0.01%
+40,000
New +$22.2M
TDS icon
66
Telephone and Data Systems
TDS
$3.75B
$205K 0.01%
+5,000
New +$195K
HYG icon
67
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$16.6B
$202K 0.01%
+2,500
New +$202K
VST icon
68
CALL
Vistra
VST
$47.4B
$197K 0.01%
35,000
-15,000
-30% -$2.73M
HYG icon
69
PUT
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$16.6B
$193K 0.01%
1,496,000
+989,600
+195% +$79.8M
AVGO icon
70
CALL
Broadcom
AVGO
$2.04T
$181K 0.01%
+10,000
New +$3.58M
COP icon
71
PUT
ConocoPhillips
COP
$141B
$175K 0.01%
+50,000
New +$4.52M
CRWV
72
CoreWeave
CRWV
$49.5B
$143K 0.01%
2,000
OKE icon
73
PUT
Oneok
OKE
$54.5B
$128K 0.01%
100,000
+50,000
+100% +$3.54M
HAL icon
74
PUT
Halliburton
HAL
$26.6B
$126K 0.01%
+100,000
New +$2.64M
CARR icon
75
PUT
Carrier Global
CARR
$52.8B
$125K 0.01%
+50,000
New +$2.78M

Similar funds

Mariner Investment Group's Q4 2025 Portfolio in Review

As of Q4 2025, Mariner Investment Group held 130 positions worth $1.71B, up 418% from $331M the previous quarter. Its ten largest holdings account for 64% of the portfolio.

Mariner Investment Group deployed $1.45B of net new capital in Q4 2025, opening 52 new positions and adding to 17 existing holdings. Its largest new stake was Microsoft: 344,000 shares worth $166M.

By sector, the portfolio is most concentrated in Technology at 49% of assets, up from 2% a quarter earlier, followed by Industrials and Communication Services.

On the sell side, the largest reduction was Nuveen Floating Rate Income Fund, an estimated $12.8M trimmed.

  • Mariner Investment Group's largest Q4 2025 buy was Microsoft: 344,000 shares worth $166M.
  • Mariner Investment Group added most to iShares Bitcoin Trust in Q4 2025, an estimated $7.47M increase.
  • Mariner Investment Group's biggest Q4 2025 reduction was Nuveen Floating Rate Income Fund, cutting an estimated $12.8M.
  • Mariner Investment Group fully exited State Street SPDR S&P 500 ETF Trust in Q4 2025, selling an estimated $26M.
  • Mariner Investment Group's ten largest holdings make up 64% of its $1.71B portfolio in Q4 2025.
  • Mariner Investment Group opened 52 new positions and closed 20 in Q4 2025.
  • Mariner Investment Group's portfolio value rose 418% quarter-over-quarter to $1.71B.

Based on Mariner Investment Group's 13F filing for Q4 2025, filed 25 Feb 2026.