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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 | |
|---|---|---|---|---|---|---|
1551
VanEck Junior Gold Miners ETF
GDXJ
$7.15B
| $1.67M | ﹤0.01% |
16,852
+6,450
| +62% | +$496K |
|
1552
Simpson Manufacturing
SSD
$7.95B
| $1.66M | ﹤0.01% |
9,942
+1,251
| +14% | +$224K |
|
|
FETH
1553
Fidelity Ethereum Fund
FETH
$1.05B
| $1.66M | ﹤0.01% |
39,969
+17,813
| +80% | +$698K |
|
1554
AngloGold Ashanti
AU
$40.7B
| $1.66M | ﹤0.01% |
23,568
+2,352
| +11% | +$132K |
|
1555
News Corp Class B
NWS
$16.8B
| $1.66M | ﹤0.01% |
47,954
-2,673
| -5% | -$90.3K |
|
1556
First Trust Long/Short Equity ETF
FTLS
$2.46B
| $1.65M | ﹤0.01% |
23,623
+10,158
| +75% | +$685K |
|
|
CNR
1557
Core Natural Resources Inc
CNR
$4.16B
| $1.65M | ﹤0.01% |
19,791
-6,162
| -24% | -$462K |
|
1558
Summit Therapeutics
SMMT
$10.5B
| $1.64M | ﹤0.01% |
79,572
+67,810
| +577% | +$1.64M |
|
1559
Saic
SAIC
$5.01B
| $1.64M | ﹤0.01% |
16,520
-637
| -4% | -$71.2K |
|
|
FYBR
1560
DELISTED
Frontier Communications
FYBR
| $1.64M | ﹤0.01% |
43,825
+6,019
| +16% | +$222K |
|
1561
Dow Inc
DOW
$20.8B
| $1.64M | ﹤0.01% |
71,338
-47,101
| -40% | -$1.17M |
|
1562
iShares MSCI Intl Value Factor ETF
IVLU
$4.34B
| $1.63M | ﹤0.01% |
46,019
-6,080
| -12% | -$209K |
|
1563
Advanced Energy
AEIS
$11.7B
| $1.63M | ﹤0.01% |
9,575
+503
| +6% | +$75.7K |
|
|
CFLT
1564
DELISTED
Confluent
CFLT
| $1.63M | ﹤0.01% |
82,237
+68,530
| +500% | +$1.43M |
|
|
TNGY
1565
Tortoise Energy ETF
TNGY
$547M
| $1.63M | ﹤0.01% |
179,248
-19,627
| -10% | -$177K |
|
1566
American Century Diversified Municipal Bond ETF
TAXF
$684M
| $1.62M | ﹤0.01% |
32,274
+893
| +3% | +$43.9K |
|
1567
AllianceBernstein
AB
$3.54B
| $1.62M | ﹤0.01% |
42,405
+3,285
| +8% | +$131K |
|
1568
Direxion Daily Financial Bull 3x ETF
FAS
$2.43B
| $1.62M | ﹤0.01% |
9,085
+354
| +4% | +$60.7K |
|
1569
Vanguard Intermediate-Term Tax-Exempt Bond ETF
VTEI
$1.48B
| $1.61M | ﹤0.01% |
16,004
+326
| +2% | +$32.3K |
|
1570
Bath & Body Works
BBWI
$4.13B
| $1.6M | ﹤0.01% |
62,303
+4,291
| +7% | +$127K |
|
1571
ActivePassive International Equity ETF
APIE
$1.12B
| $1.6M | ﹤0.01% |
45,125
-27,573
| -38% | -$938K |
|
1572
iShares US Regional Banks ETF
IAT
$673M
| $1.6M | ﹤0.01% |
30,459
+3,273
| +12% | +$171K |
|
1573
Schwab Fundamental US Broad Market Index ETF
FNDB
$1.42B
| $1.6M | ﹤0.01% |
62,152
+4,583
| +8% | +$114K |
|
1574
Blackstone Secured Lending
BXSL
$5.35B
| $1.6M | ﹤0.01% |
61,340
+6,116
| +11% | +$184K |
|
1575
Burlington
BURL
$22.5B
| $1.6M | ﹤0.01% |
6,273
-2,224
| -26% | -$604K |
|
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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.