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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 | |
|---|---|---|---|---|---|---|
2551
HCM Defender 500 Index ETF
LGH
$563M
| $429K | ﹤0.01% |
7,102
+1,173
| +20% | +$67.1K |
|
|
SFEB
2552
FT Vest US Small Cap Moderate Buffer ETF February
SFEB
$127M
| $429K | ﹤0.01% |
18,800
+1,800
| +11% | +$39.8K |
|
2553
iShares GSCI Commodity Dynamic Roll Strategy ETF
COMT
$1.18B
| $428K | ﹤0.01% |
15,953
+6,684
| +72% | +$177K |
|
2554
Quantum Computing Inc
QUBT
$1.76B
| $428K | ﹤0.01% |
23,260
-1,972
| -8% | -$33.8K |
|
2555
ODDITY Tech
ODD
$758M
| $428K | ﹤0.01% |
6,864
+3,380
| +97% | +$220K |
|
2556
Symbotic
SYM
$5.23B
| $427K | ﹤0.01% |
7,923
+2,234
| +39% | +$113K |
|
2557
Privia Health
PRVA
$3.18B
| $427K | ﹤0.01% |
17,151
-19,537
| -53% | -$420K |
|
|
BBNX
2558
Beta Bionics
BBNX
$708M
| $425K | ﹤0.01% |
+21,388
| New | +$376K |
|
2559
ALPS O'Shares U.S. Quality Dividend ETF
OUSA
$743M
| $424K | ﹤0.01% |
7,500
+1,341
| +22% | +$74.1K |
|
2560
Arlo Technologies
ARLO
$1.5B
| $424K | ﹤0.01% |
25,011
+9,576
| +62% | +$163K |
|
2561
BlackRock Resources & Commodities Strategy Trust
BCX
$890M
| $424K | ﹤0.01% |
41,683
+77
| +0.2% | +$756 |
|
|
DMC
2562
Del Monte Corp
DMC
$1.35B
| $423K | ﹤0.01% |
12,196
+4,610
| +61% | +$163K |
|
2563
C3.ai
AI
$1.38B
| $423K | ﹤0.01% |
24,397
-11,532
| -32% | -$241K |
|
2564
Melco Resorts & Entertainment
MLCO
$2.16B
| $423K | ﹤0.01% |
46,121
-2,127
| -4% | -$19.5K |
|
2565
SiriusPoint
SPNT
$3.01B
| $420K | ﹤0.01% |
23,220
+1,179
| +5% | +$22.1K |
|
2566
Innovator US Equity Power Buffer ETF January
PJAN
$1.43B
| $420K | ﹤0.01% |
9,162
-220
| -2% | -$9.88K |
|
2567
SEI Investments
SEIC
$12.1B
| $419K | ﹤0.01% |
4,936
-3,493
| -41% | -$310K |
|
2568
iShares US Basic Materials ETF
IYM
$1.13B
| $417K | ﹤0.01% |
2,817
-174
| -6% | -$25.4K |
|
2569
FTAI Infrastructure
FIP
$481M
| $416K | ﹤0.01% |
95,447
+5,628
| +6% | +$30.5K |
|
2570
VictoryShares US Small Cap High Div Volatility Wtd ETF
CSB
$271M
| $416K | ﹤0.01% |
7,034
+167
| +2% | +$9.72K |
|
2571
Louisiana-Pacific
LPX
$5.17B
| $416K | ﹤0.01% |
4,683
-7,687
| -62% | -$710K |
|
2572
Westamerica Bancorp
WABC
$1.38B
| $416K | ﹤0.01% |
+8,315
| New | +$412K |
|
2573
Algonquin Power & Utilities
AQN
$4.64B
| $415K | ﹤0.01% |
77,339
+44,693
| +137% | +$257K |
|
2574
Strive US Energy ETF
DRLL
$292M
| $415K | ﹤0.01% |
14,436
-938
| -6% | -$26.5K |
|
2575
Blackstone Mortgage Trust
BXMT
$2.81B
| $414K | ﹤0.01% |
22,486
-51
| -0.2% | -$984 |
|
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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.