We are live on
!
Find out more
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 | |
|---|---|---|---|---|---|---|
1976
Core & Main
CNM
$8.17B
| $919K | ﹤0.01% |
17,071
+2,227
| +15% | +$135K |
|
1977
Laureate Education
LAUR
$5.25B
| $918K | ﹤0.01% |
29,103
+6,230
| +27% | +$163K |
|
1978
Moelis & Co
MC
$5.04B
| $917K | ﹤0.01% |
12,856
-2,723
| -17% | -$194K |
|
|
GRAL
1979
GRAIL Inc
GRAL
$2.87B
| $917K | ﹤0.01% |
15,503
-805
| -5% | -$30.8K |
|
1980
Hayward Holdings
HAYW
$3.16B
| $916K | ﹤0.01% |
60,599
+8,421
| +16% | +$129K |
|
1981
Equity Residential
EQR
$25.2B
| $916K | ﹤0.01% |
14,149
-15,533
| -52% | -$1.02M |
|
1982
ALPS Sector Dividend Dogs ETF
SDOG
$1.42B
| $915K | ﹤0.01% |
15,185
+2,014
| +15% | +$119K |
|
|
HPI
1983
John Hancock Preferred Income Fund
HPI
$430M
| $912K | ﹤0.01% |
52,542
+11,713
| +29% | +$191K |
|
1984
ESCO Technologies
ESE
$8.4B
| $910K | ﹤0.01% |
4,313
-776
| -15% | -$154K |
|
1985
Custom Truck One Source
CTOS
$2.44B
| $910K | ﹤0.01% |
141,691
+30,289
| +27% | +$175K |
|
1986
Sixth Street Specialty
TSLX
$1.63B
| $910K | ﹤0.01% |
39,787
+1,158
| +3% | +$27.8K |
|
1987
CRISPR Therapeutics
CRSP
$4.6B
| $909K | ﹤0.01% |
14,032
+2,086
| +17% | +$120K |
|
1988
Tetra Tech
TTEK
$8.28B
| $908K | ﹤0.01% |
27,203
-16,868
| -38% | -$613K |
|
|
HIMU
1989
iShares High Yield Muni Active ETF
HIMU
$2.39B
| $907K | ﹤0.01% |
18,437
-2,306
| -11% | -$111K |
|
1990
Columbia Banking Systems
COLB
$8.74B
| $906K | ﹤0.01% |
35,191
+17,958
| +104% | +$456K |
|
1991
Invesco S&P Global Water Index ETF
CGW
$1.05B
| $905K | ﹤0.01% |
14,092
+379
| +3% | +$24K |
|
1992
Artisan Partners
APAM
$2.86B
| $905K | ﹤0.01% |
20,850
+331
| +2% | +$15.3K |
|
1993
iShares Fallen Angels USD Bond ETF
FALN
$1.63B
| $903K | ﹤0.01% |
32,506
+249
| +0.8% | +$6.78K |
|
1994
Magnolia Oil & Gas
MGY
$5.69B
| $902K | ﹤0.01% |
37,768
-4,108
| -10% | -$98K |
|
1995
Murphy Oil
MUR
$5.38B
| $901K | ﹤0.01% |
31,727
-1,201
| -4% | -$30.3K |
|
1996
Group 1 Automotive
GPI
$4.01B
| $901K | ﹤0.01% |
2,059
-39
| -2% | -$17.5K |
|
1997
Protagonist Therapeutics
PTGX
$8.72B
| $900K | ﹤0.01% |
13,551
-2,150
| -14% | -$122K |
|
1998
Hovnanian Enterprises
HOV
$782M
| $899K | ﹤0.01% |
6,998
+2,243
| +47% | +$299K |
|
1999
Patterson-UTI
PTEN
$3.57B
| $899K | ﹤0.01% |
173,574
-30,746
| -15% | -$177K |
|
2000
JPMorgan BetaBuilders Europe ETF
BBEU
$9.17B
| $898K | ﹤0.01% |
12,903
-2,232
| -15% | -$152K |
|
Similar funds
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.