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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 | |
|---|---|---|---|---|---|---|
426
Dimensional Emerging Markets Core Equity 2 ETF
DFEM
$8.77B
| $19.5M | 0.03% |
607,756
+258,314
| +74% | +$7.97M |
|
427
State Street Communication Services Select Sector SPDR ETF
XLC
$21.9B
| $19.4M | 0.03% |
164,114
-5,124
| -3% | -$570K |
|
428
Welltower
WELL
$178B
| $19.3M | 0.02% |
108,295
+14,325
| +15% | +$2.35M |
|
|
NVO
429
Novo Nordisk
NVO
$216B
| $19.1M | 0.02% |
344,729
-33,938
| -9% | -$1.99M |
|
430
State Street Energy Select Sector SPDR ETF
XLE
$39.5B
| $19.1M | 0.02% |
427,804
+264
| +0.1% | +$11.6K |
|
431
Allstate
ALL
$66.9B
| $19.1M | 0.02% |
89,008
+9,693
| +12% | +$1.96M |
|
432
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.5B
| $19.1M | 0.02% |
708,076
-32,729
| -4% | -$864K |
|
433
Fidelity High Dividend ETF
FDVV
$10.1B
| $19.1M | 0.02% |
342,485
+78,997
| +30% | +$4.3M |
|
434
First Trust Smith Opportunistic Fixed Income ETF
FIXD
$3.23B
| $18.9M | 0.02% |
425,837
+26,678
| +7% | +$1.17M |
|
435
Norfolk Southern
NSC
$78.8B
| $18.9M | 0.02% |
62,953
-2,758
| -4% | -$766K |
|
436
Intercontinental Exchange
ICE
$82.4B
| $18.8M | 0.02% |
111,666
-6,907
| -6% | -$1.23M |
|
437
Republic Services
RSG
$66.7B
| $18.8M | 0.02% |
81,970
-2,103
| -3% | -$493K |
|
438
Arthur J. Gallagher & Co
AJG
$63.7B
| $18.8M | 0.02% |
60,717
-3,325
| -5% | -$1M |
|
439
Rockwell Automation
ROK
$51.4B
| $18.7M | 0.02% |
53,634
-2,657
| -5% | -$918K |
|
440
CAVA Group
CAVA
$7.22B
| $18.7M | 0.02% |
308,892
-7,031
| -2% | -$533K |
|
441
PayPal
PYPL
$49.5B
| $18.7M | 0.02% |
278,231
+1,753
| +0.6% | +$124K |
|
442
Royal Caribbean
RCL
$78.7B
| $18.5M | 0.02% |
57,268
+67
| +0.1% | +$22.4K |
|
443
WEC Energy
WEC
$37.7B
| $18.5M | 0.02% |
161,542
-2,049
| -1% | -$222K |
|
444
Capital Group US Multi-Sector Income ETF
CGMS
$5.17B
| $18.4M | 0.02% |
663,479
-78,429
| -11% | -$2.17M |
|
445
Edwards Lifesciences
EW
$47.6B
| $18.4M | 0.02% |
236,228
-211,104
| -47% | -$16.5M |
|
446
iShares US Real Estate ETF
IYR
$4.59B
| $18.3M | 0.02% |
188,715
-208
| -0.1% | -$20K |
|
447
Realty Income
O
$61.2B
| $18.1M | 0.02% |
298,074
-23,055
| -7% | -$1.34M |
|
448
BlackRock Flexible Income ETF
BINC
$16B
| $18.1M | 0.02% |
340,277
+189,741
| +126% | +$10M |
|
449
ARK Innovation ETF
ARKK
$5.89B
| $18.1M | 0.02% |
209,592
-38,748
| -16% | -$2.96M |
|
450
Regeneron Pharmaceuticals
REGN
$68.8B
| $18M | 0.02% |
31,940
+10,125
| +46% | +$5.72M |
|
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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.