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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 | |
|---|---|---|---|---|---|---|
201
Deere & Co
DE
$170B
| $64.5M | 0.08% |
141,023
-7,467
| -5% | -$3.68M |
|
202
Schwab US Mid-Cap ETF
SCHM
$14.6B
| $64.2M | 0.08% |
2,165,452
+29,653
| +1% | +$863K |
|
203
Union Pacific
UNP
$182B
| $63.6M | 0.08% |
269,101
-10,911
| -4% | -$2.46M |
|
204
Air Products & Chemicals
APD
$66.3B
| $63.2M | 0.08% |
231,786
-5,682
| -2% | -$1.64M |
|
205
Synopsys
SNPS
$71.5B
| $62.9M | 0.08% |
127,461
-19,198
| -13% | -$10.9M |
|
206
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27B
| $62.7M | 0.08% |
105,154
-211
| -0.2% | -$124K |
|
207
Vanguard Small-Cap Growth ETF
VBK
$23.2B
| $62.3M | 0.08% |
209,417
+6,298
| +3% | +$1.82M |
|
208
Vanguard Short-Term Corporate Bond ETF
VCSH
$44.7B
| $61.2M | 0.08% |
765,075
+44,581
| +6% | +$3.55M |
|
209
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.08B
| $61M | 0.08% |
1,248,030
+91,459
| +8% | +$4.45M |
|
210
Paychex
PAYX
$40.4B
| $60.4M | 0.08% |
476,128
-18,535
| -4% | -$2.57M |
|
211
iShares Ultra Short Duration Bond Active ETF
ICSH
$7.97B
| $60.1M | 0.08% |
1,184,421
+50,204
| +4% | +$2.54M |
|
212
Applied Materials
AMAT
$426B
| $59M | 0.08% |
288,063
-2,950
| -1% | -$535K |
|
213
Fidelity Wise Origin Bitcoin Fund
FBTC
$11.9B
| $58.7M | 0.08% |
588,452
+24,783
| +4% | +$2.48M |
|
214
Lockheed Martin
LMT
$134B
| $58.4M | 0.08% |
117,072
+6,267
| +6% | +$2.84M |
|
215
Equinix
EQIX
$107B
| $58.3M | 0.08% |
74,489
+458
| +0.6% | +$358K |
|
216
iShares 3-7 Year Treasury Bond ETF
IEI
$18.1B
| $57.7M | 0.07% |
482,982
+2,834
| +0.6% | +$337K |
|
217
iShares Select Dividend ETF
DVY
$24B
| $57.7M | 0.07% |
406,282
+13,444
| +3% | +$1.86M |
|
218
Verizon
VZ
$194B
| $57.7M | 0.07% |
1,312,394
+53,036
| +4% | +$2.3M |
|
219
Vanguard Information Technology ETF
VGT
$139B
| $57.4M | 0.07% |
614,992
+33,800
| +6% | +$2.95M |
|
220
Starbucks
SBUX
$118B
| $57.3M | 0.07% |
677,027
-48,063
| -7% | -$4.3M |
|
221
American Electric Power
AEP
$73.7B
| $57.2M | 0.07% |
508,802
+36,699
| +8% | +$4.02M |
|
222
Comcast
CMCSA
$79.7B
| $57.1M | 0.07% |
1,817,834
-63,550
| -3% | -$2.13M |
|
223
3M
MMM
$89B
| $56.6M | 0.07% |
364,717
+18,564
| +5% | +$2.86M |
|
|
HDV
224
iShares Core High Dividend ETF
HDV
$14.4B
| $55.8M | 0.07% |
2,279,700
+6,945
| +0.3% | +$168K |
|
225
MPLX
MPLX
$59.5B
| $55.8M | 0.07% |
1,116,899
-417
| -0% | -$21.2K |
|
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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.