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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 | |
|---|---|---|---|---|---|---|
101
Caterpillar
CAT
$407B
| $146M | 0.19% |
307,029
+11,387
| +4% | +$4.86M |
|
102
UnitedHealth
UNH
$381B
| $144M | 0.19% |
418,029
+32,986
| +9% | +$9.98M |
|
103
Dimensional US Core Equity 2 ETF
DFAC
$47.4B
| $143M | 0.18% |
3,701,458
-43,480
| -1% | -$1.62M |
|
104
Duke Energy
DUK
$102B
| $142M | 0.18% |
1,146,514
+60,877
| +6% | +$7.39M |
|
105
Eaton
ETN
$156B
| $141M | 0.18% |
376,517
+4,656
| +1% | +$1.69M |
|
106
IBM
IBM
$202B
| $140M | 0.18% |
497,089
+24,622
| +5% | +$6.44M |
|
107
Goldman Sachs
GS
$313B
| $140M | 0.18% |
175,592
+6,154
| +4% | +$4.56M |
|
108
JPMorgan Core Plus Bond ETF
JCPB
$13.8B
| $140M | 0.18% |
2,938,811
+303,831
| +12% | +$14.3M |
|
109
Invesco FTSE RAFI US 1000 ETF
PRF
$9.72B
| $139M | 0.18% |
3,080,462
-106,313
| -3% | -$4.64M |
|
110
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$50.7B
| $139M | 0.18% |
1,331,083
+45,514
| +4% | +$4.53M |
|
111
Palo Alto Networks
PANW
$265B
| $137M | 0.18% |
674,525
+18,975
| +3% | +$3.63M |
|
112
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
| $137M | 0.18% |
1,753,513
+100,182
| +6% | +$7.76M |
|
113
Blackrock
BLK
$163B
| $135M | 0.17% |
115,407
+844
| +0.7% | +$944K |
|
114
Morgan Stanley
MS
$337B
| $134M | 0.17% |
844,296
+53,490
| +7% | +$7.9M |
|
115
Lam Research
LRCX
$381B
| $131M | 0.17% |
978,956
+3,446
| +0.4% | +$365K |
|
116
Waste Management
WM
$95.8B
| $129M | 0.17% |
583,850
+208
| +0% | +$46.8K |
|
|
DFAI
117
Dimensional International Core Equity Market ETF
DFAI
$17.1B
| $129M | 0.17% |
3,544,648
+345,454
| +11% | +$12.2M |
|
118
Lowe's Companies
LOW
$116B
| $128M | 0.17% |
511,215
+10,984
| +2% | +$2.7M |
|
119
Coca-Cola
KO
$354B
| $125M | 0.16% |
1,884,053
+32,123
| +2% | +$2.21M |
|
120
Dimensional Emerging Core Equity Market ETF
DFAE
$9.22B
| $125M | 0.16% |
3,961,957
+184,360
| +5% | +$5.55M |
|
121
Bank of America
BAC
$434B
| $124M | 0.16% |
2,411,850
+282,726
| +13% | +$13.8M |
|
122
iShares MSCI Emerging Markets ETF
EEM
$28.1B
| $124M | 0.16% |
2,324,614
+447,010
| +24% | +$22.4M |
|
123
Arista Networks
ANET
$216B
| $124M | 0.16% |
851,490
-89,570
| -10% | -$11.5M |
|
124
PepsiCo
PEP
$187B
| $124M | 0.16% |
879,417
+65,964
| +8% | +$9.42M |
|
125
Vanguard Total Bond Market
BND
$158B
| $119M | 0.15% |
1,600,059
+29,373
| +2% | +$2.16M |
|
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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.