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Mariner Portfolio holdings
AUM
$85.7B
1-Year Est. Return
24.21%
This Fund
S&P 500
This Quarter
Est. Return
+9.26%
1 Year Est. Return
+24.21%
3 Year Est. Return
+74.24%
5 Year Est. Return
+87.67%
10 Year Est. Return
+269.13%
AUM
$77.4B
AUM Growth
+$8.11B
(+12%)
Cap. Flow
+$3.32B
Cap. Flow
% of AUM
4.29%
Top 10 Holdings %
Top 10 Hldgs %
28.04%
Holding
3,806
New
339
Increased
1,836
Reduced
1,278
Closed
264
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
ProShares Ultra Semiconductors
USD
|
+$770M |
| 2 |
NVIDIA
NVDA
|
+$373M |
| 3 |
Meta Platforms (Facebook)
META
|
+$179M |
| 4 |
Teledyne Technologies
TDY
|
+$167M |
| 5 |
Apple
AAPL
|
+$155M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Take-Two Interactive
TTWO
|
+$189M |
| 2 |
lululemon athletica
LULU
|
+$80.3M |
| 3 |
iShares 0-1 Year Treasury Bond ETF
SHV
|
+$79.8M |
| 4 |
Arch Capital
ACGL
|
+$42.3M |
| 5 |
Advanced Micro Devices
AMD
|
+$38.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.54% |
| 2 | Financials | 7.9% |
| 3 | Consumer Discretionary | 5.38% |
| 4 | Communication Services | 4.83% |
| 5 | Healthcare | 4.73% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2101
Nuveen ESG US Aggregate Bond ETF
NUBD
$465M
| $766K | ﹤0.01% |
34,134
-390
| -1% | -$8.67K |
|
|
MRX
2102
Marex Group Limited Ordinary Shares
MRX
$4.65B
| $760K | ﹤0.01% |
+22,616
| New | +$817K |
|
2103
Paycom
PAYC
$7.05B
| $760K | ﹤0.01% |
3,652
-4,881
| -57% | -$1.1M |
|
2104
Spire
SR
$4.87B
| $759K | ﹤0.01% |
9,314
-1,196
| -11% | -$91K |
|
2105
Freshpet
FRPT
$2.92B
| $759K | ﹤0.01% |
13,775
+4,995
| +57% | +$309K |
|
2106
GigaCloud Technology
GCT
$1.46B
| $758K | ﹤0.01% |
26,686
+7,280
| +38% | +$190K |
|
2107
Global X MLP ETF
MLPA
$2.25B
| $758K | ﹤0.01% |
15,651
-794
| -5% | -$39.5K |
|
2108
Rogers Corp
ROG
$2.31B
| $756K | ﹤0.01% |
9,392
-7,109
| -43% | -$529K |
|
|
PRA
2109
DELISTED
ProAssurance
PRA
| $755K | ﹤0.01% |
31,488
-637
| -2% | -$15.2K |
|
2110
Eos Energy Enterprises
EOSE
$1.31B
| $755K | ﹤0.01% |
66,287
+18,444
| +39% | +$126K |
|
2111
TriMas Corp
TRS
$1.45B
| $755K | ﹤0.01% |
19,536
+414
| +2% | +$14.7K |
|
2112
Capital Group Dividend Growers ETF
CGDG
$5.42B
| $754K | ﹤0.01% |
21,773
-8,891
| -29% | -$303K |
|
|
TEAF
2113
DELISTED
Ecofin Sustainable & Social Impact Term Fund
TEAF
| $754K | ﹤0.01% |
+19,458
| New | +$234K |
|
2114
iShares International Treasury Bond ETF
IGOV
$1.51B
| $753K | ﹤0.01% |
17,678
+1,958
| +12% | +$83K |
|
2115
AZZ Inc
AZZ
$4.47B
| $752K | ﹤0.01% |
6,890
-1,425
| -17% | -$158K |
|
2116
Horace Mann Educators
HMN
$2.09B
| $752K | ﹤0.01% |
16,641
+1,316
| +9% | +$57.8K |
|
2117
IPG Photonics
IPGP
$3.81B
| $749K | ﹤0.01% |
9,462
+927
| +11% | +$72.4K |
|
|
XOVR
2118
EntrepreneurShares Series Trust ERShares Private-Public Crossover ETF
XOVR
$1.79B
| $748K | ﹤0.01% |
35,427
+6,550
| +23% | +$131K |
|
2119
Brighthouse Financial
BHF
$3.63B
| $748K | ﹤0.01% |
14,096
+9,284
| +193% | +$453K |
|
2120
John Hancock Multifactor Large Cap ETF
JHML
$1.16B
| $748K | ﹤0.01% |
9,541
-774
| -8% | -$58.6K |
|
2121
Vanguard Russell 2000 Value ETF
VTWV
$1.29B
| $748K | ﹤0.01% |
4,797
-291
| -6% | -$43.3K |
|
2122
GlobalFoundries
GFS
$29.2B
| $747K | ﹤0.01% |
+20,852
| New | +$744K |
|
2123
Scorpio Tankers
STNG
$3.9B
| $747K | ﹤0.01% |
13,326
+4,189
| +46% | +$207K |
|
2124
Tidewater
TDW
$3.91B
| $746K | ﹤0.01% |
13,985
+2,416
| +21% | +$132K |
|
2125
Southwest Gas
SWX
$6.66B
| $746K | ﹤0.01% |
9,520
-2,211
| -19% | -$172K |
|
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Mariner's Q3 2025 Portfolio in Review
As of Q3 2025, Mariner held 3,806 positions worth $77.4B, up 12% from $69.3B the previous quarter. Its ten largest holdings account for 28% of the portfolio.
Mariner deployed $3.32B of net new capital in Q3 2025, opening 339 new positions and adding to 1,836 existing holdings. Its largest new stake was ProShares Ultra Semiconductors: 17,808,292 shares worth $8.97M.
By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Financials and Consumer Discretionary.
On the sell side, the largest reduction was Take-Two Interactive, an estimated $189M trimmed.
- Mariner's largest Q3 2025 buy was ProShares Ultra Semiconductors: 17,808,292 shares worth $8.97M.
- Mariner added most to NVIDIA in Q3 2025, an estimated $373M increase.
- Mariner's biggest Q3 2025 reduction was Take-Two Interactive, cutting an estimated $189M.
- Mariner fully exited Hess in Q3 2025, selling an estimated $5.21M.
- Mariner's ten largest holdings make up 28% of its $77.4B portfolio in Q3 2025.
- Mariner opened 339 new positions and closed 264 in Q3 2025.
- Mariner's portfolio value rose 12% quarter-over-quarter to $77.4B.
Based on Mariner's 13F filing for Q3 2025, filed 14 Nov 2025.