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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 | |
|---|---|---|---|---|---|---|
1126
NuScale Power
SMR
$2.8B
| $3.38M | ﹤0.01% |
93,761
+29,142
| +45% | +$1.16M |
|
1127
Adeia
ADEA
$2.86B
| $3.37M | ﹤0.01% |
200,863
+2,254
| +1% | +$33.4K |
|
1128
Invesco California AMT-Free Municipal Bond ETF
PWZ
$1.14B
| $3.36M | ﹤0.01% |
140,559
-11,431
| -8% | -$266K |
|
1129
Kanzhun
BZ
$6.89B
| $3.36M | ﹤0.01% |
143,749
-4,917
| -3% | -$106K |
|
1130
Jefferies Financial Group
JEF
$12.9B
| $3.35M | ﹤0.01% |
51,246
+26,592
| +108% | +$1.62M |
|
1131
Lennox International
LII
$18.8B
| $3.35M | ﹤0.01% |
6,322
+1,123
| +22% | +$656K |
|
1132
iShares US Consumer Discretionary ETF
IYC
$1.12B
| $3.34M | ﹤0.01% |
31,912
-1,225
| -4% | -$126K |
|
1133
Columbia Research Enhanced Core ETF
RECS
$5.89B
| $3.34M | ﹤0.01% |
82,818
-43,832
| -35% | -$1.69M |
|
1134
Canadian Imperial Bank of Commerce
CM
$107B
| $3.34M | ﹤0.01% |
41,760
+6,343
| +18% | +$477K |
|
|
INFA
1135
DELISTED
Informatica
INFA
| $3.32M | ﹤0.01% |
133,736
+45,025
| +51% | +$1.11M |
|
1136
BlackRock Short Maturity Municipal Bond ETF
MEAR
$1.36B
| $3.32M | ﹤0.01% |
65,727
-589
| -0.9% | -$29.7K |
|
1137
Invesco BulletShares 2028 High Yield Corporate Bond ETF
BSJS
$708M
| $3.31M | ﹤0.01% |
+150,128
| New | +$3.31M |
|
1138
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.05B
| $3.31M | ﹤0.01% |
33,741
-3,566
| -10% | -$346K |
|
1139
Argan
AGX
$7.98B
| $3.3M | ﹤0.01% |
12,212
+270
| +2% | +$61.9K |
|
1140
Alger 35 ETF
ATFV
$204M
| $3.29M | ﹤0.01% |
+92,712
| New | +$2.96M |
|
1141
American Century US Quality Growth ETF
QGRO
$1.98B
| $3.28M | ﹤0.01% |
28,687
-19,743
| -41% | -$2.19M |
|
1142
Kyndryl
KD
$2.66B
| $3.28M | ﹤0.01% |
109,281
+52,460
| +92% | +$1.8M |
|
1143
ENI
E
$76B
| $3.27M | ﹤0.01% |
93,422
-6,989
| -7% | -$241K |
|
1144
Ubiquiti
UI
$31.8B
| $3.26M | ﹤0.01% |
4,930
+381
| +8% | +$190K |
|
1145
Piper Sandler
PIPR
$5.14B
| $3.24M | ﹤0.01% |
37,380
-424
| -1% | -$34.6K |
|
1146
AXIS Capital
AXS
$8.59B
| $3.24M | ﹤0.01% |
33,774
-2,074
| -6% | -$201K |
|
1147
Exelixis
EXEL
$13.9B
| $3.23M | ﹤0.01% |
78,283
+16,322
| +26% | +$656K |
|
1148
LeaderShares AlphaFactor Tactical Focused ETF
LSAT
$65.1M
| $3.23M | ﹤0.01% |
78,064
-1,822
| -2% | -$74.5K |
|
1149
Ingredion
INGR
$6.38B
| $3.23M | ﹤0.01% |
26,420
+9,362
| +55% | +$1.21M |
|
1150
HEICO Corp Class A
HEI.A
$35.4B
| $3.23M | ﹤0.01% |
12,696
+193
| +2% | +$48.2K |
|
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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.