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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 | |
|---|---|---|---|---|---|---|
251
Adobe
ADBE
$89.5B
| $49.4M | 0.06% |
139,935
-12,461
| -8% | -$4.47M |
|
252
Schwab US Aggregate Bond ETF
SCHZ
$10.5B
| $48.7M | 0.06% |
2,074,882
-30,276
| -1% | -$703K |
|
253
Xylem
XYL
$28.5B
| $48.7M | 0.06% |
330,185
+582
| +0.2% | +$80.7K |
|
254
Schwab Emerging Markets Equity ETF
SCHE
$12.3B
| $47.9M | 0.06% |
1,435,586
+28,425
| +2% | +$896K |
|
255
Vanguard Mid-Cap Growth ETF
VOT
$19B
| $47.9M | 0.06% |
162,918
+8,935
| +6% | +$2.58M |
|
256
Prudential Financial
PRU
$41.7B
| $47.6M | 0.06% |
458,715
-2,444
| -0.5% | -$257K |
|
257
Dimensional US Targeted Value ETF
DFAT
$14.5B
| $47.4M | 0.06% |
815,034
-45,723
| -5% | -$2.6M |
|
258
Dimensional US High Profitability ETF
DUHP
$12.3B
| $47.3M | 0.06% |
1,252,891
-121,714
| -9% | -$4.46M |
|
259
Vanguard Extended Market ETF
VXF
$30.3B
| $46.9M | 0.06% |
224,137
-2,008
| -0.9% | -$406K |
|
260
Snowflake
SNOW
$92.9B
| $46.6M | 0.06% |
206,600
+17,885
| +9% | +$3.84M |
|
261
Chubb
CB
$140B
| $46.2M | 0.06% |
163,663
+26,702
| +19% | +$7.35M |
|
262
iShares 0-5 Year High Yield Corporate Bond ETF
SHYG
$7.57B
| $45.4M | 0.06% |
1,048,574
+411,495
| +65% | +$17.7M |
|
263
iShares Bitcoin Trust
IBIT
$47.2B
| $45M | 0.06% |
692,915
+117,266
| +20% | +$7.63M |
|
264
Avantis US Small Cap Value ETF
AVUV
$29.7B
| $45M | 0.06% |
451,747
+27,269
| +6% | +$2.64M |
|
265
Intuitive Surgical
ISRG
$121B
| $44.9M | 0.06% |
100,345
-5,555
| -5% | -$2.67M |
|
266
HCA Healthcare
HCA
$84.8B
| $44.2M | 0.06% |
103,715
+1,826
| +2% | +$708K |
|
267
DoorDash
DASH
$75.3B
| $43.9M | 0.06% |
161,260
+97,709
| +154% | +$24.5M |
|
268
Pfizer
PFE
$140B
| $43.5M | 0.06% |
1,707,620
+73,295
| +4% | +$1.81M |
|
269
Vertex Pharmaceuticals
VRTX
$121B
| $43.2M | 0.06% |
110,251
-8,872
| -7% | -$3.71M |
|
270
Dimensional International Core Equity 2 ETF
DFIC
$14.5B
| $43.2M | 0.06% |
1,316,309
+20,021
| +2% | +$639K |
|
271
iShares MSCI KLD 400 Social ETF
DSI
$5.19B
| $42.9M | 0.06% |
340,240
-4,090
| -1% | -$495K |
|
272
Boeing
BA
$165B
| $42.8M | 0.06% |
198,146
+10,728
| +6% | +$2.42M |
|
273
Intel
INTC
$466B
| $42.6M | 0.06% |
1,271,092
+254,615
| +25% | +$6.17M |
|
274
iShares MSCI EAFE Growth ETF
EFG
$16.3B
| $42.3M | 0.05% |
371,466
-31,969
| -8% | -$3.56M |
|
275
Global X US Infrastructure Development ETF
PAVE
$14.3B
| $42.1M | 0.05% |
883,118
-12,358
| -1% | -$569K |
|
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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.