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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 | |
|---|---|---|---|---|---|---|
976
Extra Space Storage
EXR
$31.2B
| $4.52M | 0.01% |
32,088
-617
| -2% | -$88.6K |
|
977
Solventum
SOLV
$13.5B
| $4.52M | 0.01% |
61,875
-498
| -0.8% | -$36.5K |
|
978
HubSpot
HUBS
$10.5B
| $4.51M | 0.01% |
9,639
+2,952
| +44% | +$1.49M |
|
979
Huntington Bancshares
HBAN
$35.1B
| $4.5M | 0.01% |
260,424
-63,037
| -19% | -$1.08M |
|
980
First Trust Cloud Computing ETF
SKYY
$2.74B
| $4.49M | 0.01% |
33,419
+555
| +2% | +$69.9K |
|
|
SNDK
981
Sandisk
SNDK
$213B
| $4.49M | 0.01% |
40,035
+21,131
| +112% | +$1.23M |
|
982
State Street Materials Select Sector SPDR ETF
XLB
$8.51B
| $4.49M | 0.01% |
100,214
-4,188
| -4% | -$189K |
|
983
Popular Inc
BPOP
$11B
| $4.49M | 0.01% |
35,353
+19,088
| +117% | +$2.28M |
|
984
Wheaton Precious Metals
WPM
$50.6B
| $4.48M | 0.01% |
40,100
+1,064
| +3% | +$104K |
|
985
FirstEnergy
FE
$28.9B
| $4.48M | 0.01% |
97,749
-12,179
| -11% | -$520K |
|
|
ETHE
986
Grayscale Ethereum Staking ETF Shares
ETHE
$1.51B
| $4.47M | 0.01% |
130,438
+5,912
| +5% | +$191K |
|
987
Sprott Physical Gold and Silver Trust
CEF
$7.43B
| $4.47M | 0.01% |
121,715
+61
| +0.1% | +$1.96K |
|
988
DHT Holdings
DHT
$2.97B
| $4.46M | 0.01% |
373,411
-1,875
| -0.5% | -$21.7K |
|
989
Affirm
AFRM
$23.5B
| $4.46M | 0.01% |
60,970
+6,892
| +13% | +$524K |
|
990
iShares Convertible Bond ETF
ICVT
$7.23B
| $4.44M | 0.01% |
44,383
-10,461
| -19% | -$983K |
|
991
Panagram BBB-B CLO ETF
CLOZ
$773M
| $4.43M | 0.01% |
165,024
+10,248
| +7% | +$275K |
|
|
GTLS
992
DELISTED
Chart Industries
GTLS
| $4.42M | 0.01% |
22,099
-94,295
| -81% | -$17.9M |
|
993
T. Rowe Price
TROW
$25B
| $4.42M | 0.01% |
43,088
+1,192
| +3% | +$125K |
|
994
Cameco
CCJ
$38.3B
| $4.41M | 0.01% |
52,606
-1,262
| -2% | -$97.9K |
|
|
BIDD
995
iShares International Dividend Active ETF
BIDD
$406M
| $4.41M | 0.01% |
157,497
-8,166
| -5% | -$223K |
|
|
DAY
996
DELISTED
Dayforce
DAY
| $4.4M | 0.01% |
63,938
+46,742
| +272% | +$2.91M |
|
997
California Water Service
CWT
$3.04B
| $4.39M | 0.01% |
95,747
+27,306
| +40% | +$1.26M |
|
998
RLX Technology
RLX
$2.48B
| $4.39M | 0.01% |
1,668,476
+1,646,706
| +7,564% | +$3.92M |
|
999
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.75B
| $4.36M | 0.01% |
73,605
-2,398
| -3% | -$136K |
|
1000
CMS Energy
CMS
$23.1B
| $4.36M | 0.01% |
59,459
+12,690
| +27% | +$912K |
|
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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.