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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 | |
|---|---|---|---|---|---|---|
26
Vanguard S&P 500 ETF
VOO
$967B
| $511M | 0.66% |
834,508
+23,596
| +3% | +$13.9M |
|
27
iShares Core MSCI Emerging Markets ETF
IEMG
$152B
| $500M | 0.65% |
7,586,232
+495,729
| +7% | +$30.9M |
|
28
Eli Lilly
LLY
$1.06T
| $492M | 0.64% |
645,477
+22,124
| +4% | +$16.5M |
|
29
Vanguard Small-Cap ETF
VB
$79.3B
| $464M | 0.6% |
1,823,575
+114,046
| +7% | +$28.3M |
|
30
Home Depot
HD
$324B
| $461M | 0.6% |
1,136,584
+40,693
| +4% | +$16M |
|
31
Procter & Gamble
PG
$342B
| $452M | 0.58% |
2,943,575
+3,125
| +0.1% | +$488K |
|
32
Walmart Inc
WMT
$863B
| $448M | 0.58% |
4,346,434
+159,978
| +4% | +$15.9M |
|
33
iShares S&P 500 Growth ETF
IVW
$72.9B
| $435M | 0.56% |
3,604,139
-12,929
| -0.4% | -$1.49M |
|
34
iShares Russell Top 200 Growth ETF
IWY
$16.1B
| $400M | 0.52% |
1,460,755
-35,875
| -2% | -$9.28M |
|
35
Costco
COST
$411B
| $370M | 0.48% |
399,894
+5,937
| +2% | +$5.69M |
|
36
Visa
V
$669B
| $349M | 0.45% |
1,022,505
-38,454
| -4% | -$13.3M |
|
37
Mastercard
MA
$469B
| $343M | 0.44% |
603,846
+4,989
| +0.8% | +$2.87M |
|
38
Johnson & Johnson
JNJ
$624B
| $342M | 0.44% |
1,844,069
+50,593
| +3% | +$8.67M |
|
39
ServiceNow
NOW
$94.8B
| $340M | 0.44% |
1,847,440
+58,355
| +3% | +$10.9M |
|
40
Oracle
ORCL
$346B
| $334M | 0.43% |
1,186,115
+4,119
| +0.3% | +$1.05M |
|
41
Corning
GLW
$134B
| $315M | 0.41% |
3,837,146
-518,097
| -12% | -$33.9M |
|
42
AbbVie
ABBV
$454B
| $310M | 0.4% |
1,339,689
+175,406
| +15% | +$35.7M |
|
43
Vanguard Dividend Appreciation ETF
VIG
$110B
| $299M | 0.39% |
1,385,233
-22,250
| -2% | -$4.67M |
|
44
Amgen
AMGN
$201B
| $297M | 0.38% |
1,053,171
+16,031
| +2% | +$4.65M |
|
45
T-Mobile US
TMUS
$184B
| $287M | 0.37% |
1,199,566
+49,717
| +4% | +$12M |
|
46
GE Vernova
GEV
$275B
| $285M | 0.37% |
463,346
+37,396
| +9% | +$22.7M |
|
47
Apollo Global Management
APO
$68.6B
| $280M | 0.36% |
2,099,592
-42,513
| -2% | -$6.02M |
|
48
ExxonMobil
XOM
$650B
| $274M | 0.35% |
2,433,191
+75,694
| +3% | +$8.41M |
|
49
iShares Russell 1000 Growth ETF
IWF
$123B
| $271M | 0.35% |
2,315,072
-2,692
| -0.1% | -$300K |
|
50
Berkshire Hathaway Class A
BRK.A
$1.06T
| $262M | 0.34% |
348
+37
| +12% | +$26.9M |
|
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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.