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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 | |
|---|---|---|---|---|---|---|
151
iShares Russell Mid-Cap Growth ETF
IWP
$20B
| $88M | 0.11% |
618,245
-14,185
| -2% | -$2M |
|
152
Vanguard S&P Mid-Cap 400 Value ETF
IVOV
$1.34B
| $86.8M | 0.11% |
861,123
-5,213
| -0.6% | -$516K |
|
153
LendingTree
TREE
$544M
| $86.6M | 0.11% |
1,338,581
-550
| -0% | -$31.7K |
|
154
Cummins
CMI
$91.7B
| $86.2M | 0.11% |
204,054
+12,790
| +7% | +$4.9M |
|
|
MRSH
155
Marsh
MRSH
$86.3B
| $85.7M | 0.11% |
425,494
-32,068
| -7% | -$6.6M |
|
156
Accenture
ACN
$89.9B
| $83.6M | 0.11% |
339,150
+45,985
| +16% | +$12M |
|
157
Danaher
DHR
$135B
| $83.6M | 0.11% |
421,611
+11,124
| +3% | +$2.21M |
|
158
Sysco
SYY
$39.7B
| $82.7M | 0.11% |
1,004,054
+17,132
| +2% | +$1.37M |
|
159
Honeywell
HON
$77B
| $80M | 0.1% |
403,087
-69,860
| -15% | -$14.6M |
|
160
Kinder Morgan
KMI
$73.1B
| $79.6M | 0.1% |
2,811,330
+235,335
| +9% | +$6.44M |
|
161
Schwab U.S Small- Cap ETF
SCHA
$22.5B
| $79.3M | 0.1% |
2,843,740
+5,414
| +0.2% | +$145K |
|
162
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17B
| $78.7M | 0.1% |
1,680,297
+13,962
| +0.8% | +$621K |
|
163
Vanguard High Dividend Yield ETF
VYM
$81.1B
| $78.3M | 0.1% |
555,838
+17,168
| +3% | +$2.36M |
|
164
Fastenal
FAST
$54B
| $78.2M | 0.1% |
1,595,635
+38,192
| +2% | +$1.8M |
|
165
Invesco S&P 500 Equal Weight ETF
RSP
$96.1B
| $78.1M | 0.1% |
411,817
+5,673
| +1% | +$1.06M |
|
166
Blackstone
BX
$104B
| $78M | 0.1% |
456,804
+55,405
| +14% | +$9.49M |
|
167
United Rentals
URI
$71.1B
| $77.8M | 0.1% |
81,467
-12,580
| -13% | -$11.2M |
|
168
Amphenol
APH
$188B
| $75.9M | 0.1% |
613,078
+43,221
| +8% | +$4.74M |
|
169
CME Group
CME
$92.2B
| $75.5M | 0.1% |
279,439
+148,901
| +114% | +$40.5M |
|
170
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.63B
| $75.3M | 0.1% |
630,639
-61,220
| -9% | -$7.18M |
|
171
Vanguard S&P 500 Growth ETF
VOOG
$25.4B
| $74.6M | 0.1% |
1,028,562
+66,900
| +7% | +$4.63M |
|
172
Citigroup
C
$222B
| $74.5M | 0.1% |
733,577
+306,338
| +72% | +$29.1M |
|
173
Thermo Fisher Scientific
TMO
$211B
| $73.4M | 0.09% |
151,278
+2,374
| +2% | +$1.11M |
|
174
Applovin
APP
$132B
| $73.2M | 0.09% |
101,931
-15,073
| -13% | -$6.95M |
|
175
Cincinnati Financial
CINF
$28.3B
| $72.5M | 0.09% |
458,866
+3,215
| +0.7% | +$488K |
|
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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.