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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 | |
|---|---|---|---|---|---|---|
926
Pultegroup
PHM
$24.5B
| $5.01M | 0.01% |
37,924
-3,836
| -9% | -$476K |
|
927
West Pharmaceutical
WST
$23.1B
| $4.99M | 0.01% |
19,030
+6,094
| +47% | +$1.48M |
|
928
Domino's
DPZ
$11B
| $4.99M | 0.01% |
11,552
-8,262
| -42% | -$3.75M |
|
929
Tyler Technologies
TYL
$12.2B
| $4.98M | 0.01% |
9,511
-1,028
| -10% | -$577K |
|
930
Mitsubishi UFJ Financial
MUFG
$258B
| $4.97M | 0.01% |
311,673
+13,378
| +4% | +$198K |
|
931
W.R. Berkley
WRB
$28B
| $4.96M | 0.01% |
64,728
-46,201
| -42% | -$3.29M |
|
932
Mueller Industries
MLI
$14.1B
| $4.95M | 0.01% |
97,984
+79,624
| +434% | +$3.65M |
|
933
PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund
MUNI
$3.05B
| $4.94M | 0.01% |
94,535
+53,597
| +131% | +$2.76M |
|
934
Huntington Ingalls Industries
HII
$11.3B
| $4.93M | 0.01% |
17,113
+8,740
| +104% | +$2.33M |
|
935
Willis Towers Watson
WTW
$27.9B
| $4.92M | 0.01% |
14,236
-885
| -6% | -$287K |
|
936
Builders FirstSource
BLDR
$7.84B
| $4.91M | 0.01% |
40,498
-19,197
| -32% | -$2.55M |
|
937
RELX
RELX
$60.1B
| $4.91M | 0.01% |
102,727
-2,183
| -2% | -$108K |
|
938
Fidelity Enhanced Small Cap Core ETF
FESM
$5.93B
| $4.88M | 0.01% |
133,583
+126,569
| +1,805% | +$4.35M |
|
939
Schwab Fundamental Emerging Markets Large Company Index ETF
FNDE
$9.46B
| $4.88M | 0.01% |
135,028
+29,573
| +28% | +$1.02M |
|
940
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.71B
| $4.83M | 0.01% |
88,144
-1,084
| -1% | -$57.2K |
|
941
Atlassian
TEAM
$22B
| $4.83M | 0.01% |
30,239
-11,117
| -27% | -$2.01M |
|
942
Verisk Analytics
VRSK
$26.4B
| $4.82M | 0.01% |
19,176
-3,947
| -17% | -$1.08M |
|
943
News Corp Class A
NWSA
$14.5B
| $4.8M | 0.01% |
156,429
+37,514
| +32% | +$1.11M |
|
944
Iron Mountain
IRM
$38.2B
| $4.79M | 0.01% |
46,954
+1,299
| +3% | +$125K |
|
945
ProShares Ultra QQQ
QLD
$12.5B
| $4.78M | 0.01% |
69,740
+10,934
| +19% | +$687K |
|
946
Alexandria Real Estate Equities
ARE
$8.88B
| $4.77M | 0.01% |
57,272
+19,763
| +53% | +$1.58M |
|
947
Unum
UNM
$13.8B
| $4.75M | 0.01% |
61,117
+9,630
| +19% | +$722K |
|
948
HDFC Bank
HDB
$119B
| $4.75M | 0.01% |
139,057
+9,337
| +7% | +$344K |
|
949
Twilio
TWLO
$29.1B
| $4.72M | 0.01% |
47,144
-25,267
| -35% | -$2.84M |
|
950
Mohawk Industries
MHK
$6.9B
| $4.7M | 0.01% |
36,483
+15,122
| +71% | +$1.87M |
|
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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.