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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

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$26M
2
LQD icon
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
+$21M
3
JFR icon
Nuveen Floating Rate Income Fund
JFR
+$12.8M
4
BHF icon
Brighthouse Financial
BHF
+$7.22M
5
CEG icon
Constellation Energy
CEG
+$2.94M

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
AR icon
101
CALL
Antero Resources
AR
$10.7B
– –
-50,000
Closed -$37.5K
BHF icon
102
Brighthouse Financial
BHF
$3.5B
– –
-136,000
Closed -$7.22M
CEG icon
103
Constellation Energy
CEG
$95.6B
– –
-8,100
Closed -$2.94M
CRH icon
104
CRH
CRH
$66.8B
– –
-3,000
Closed -$360K
DAN icon
105
Dana Inc
DAN
$3.06B
– –
-10,000
Closed -$200K
EIX icon
106
PUT
Edison International
EIX
$26.4B
– –
-22,500
Closed -$5.06K
EQNR icon
107
CALL
Equinor
EQNR
$92.4B
– –
-100,000
Closed -$97.5K
FERG icon
108
CALL
Ferguson
FERG
$49.8B
– –
-70,000
Closed -$295K
LQD icon
109
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$33B
– –
-188,000
Closed -$21M
NVDA icon
110
PUT
NVIDIA
NVDA
$5.42T
– –
-100,000
Closed -$2.5K
SPY icon
111
State Street SPDR S&P 500 ETF Trust
SPY
$823B
– –
-38,422
Closed -$26M
SSTK icon
112
Shutterstock
SSTK
$219M
– –
-16,114
Closed -$336K
SVXY icon
113
ProShares Short VIX Short-Term Futures ETF
SVXY
$206M
– –
-12,500
Closed -$637K
TAC icon
114
CALL
TransAlta
TAC
$3.93B
– –
-100,000
Closed -$60K
UPS icon
115
United Parcel Service
UPS
$88.9B
– –
-10,000
Closed -$835K
UPS icon
116
PUT
United Parcel Service
UPS
$88.9B
– –
-100,000
Closed -$445K
AD
117
Array Digital Infrastructure
AD
$3.05B
– –
-21,292
Closed -$1.06M
XLF icon
118
PUT
State Street Financial Select Sector SPDR ETF
XLF
$58.2B
– –
-200,000
Closed -$31K
1 2 3 4
5

Similar funds

CPIM
Coalescence Partners Investment Management New York $463M AUM 8.27% 1-Year Est. Return
NG
NatWest Group Edinburgh, Scotland, United Kingdom $462M AUM 47.31% 1-Year Est. Return
PC
ParaFi Capital New York $462M AUM 12.81% 1-Year Est. Return
AC
Aristides Capital Louisville, Kentucky $462M AUM 28.94% 1-Year Est. Return
PRCP
Pacific Ridge Capital Partners Lake Oswego, Oregon $462M AUM 40.76% 1-Year Est. Return
RAA
RWC Asset Advisors Miami, Florida $464M AUM 93.73% 1-Year Est. Return
GLAM
Gardner Lewis Asset Management Chadds Ford, Pennsylvania $462M AUM 65.29% 1-Year Est. Return
ACGA
Atlanta Consulting Group Advisors Atlanta, Georgia $465M AUM 17.21% 1-Year Est. Return

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.