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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 | |
|---|---|---|---|---|---|---|
326
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$38.9B
| $31.8M | 0.04% |
553,300
-21,439
| -4% | -$1.19M |
|
327
Vanguard Short-Term Bond ETF
BSV
$44.6B
| $31.7M | 0.04% |
402,353
+26,378
| +7% | +$2.07M |
|
328
Dimensional US Marketwide Value ETF
DFUV
$15.4B
| $31.7M | 0.04% |
708,329
-5,164
| -0.7% | -$225K |
|
329
iShares S&P Mid-Cap 400 Growth ETF
IJK
$10.8B
| $31.5M | 0.04% |
328,919
+10,265
| +3% | +$967K |
|
330
Energy Transfer Partners
ET
$70.1B
| $31.3M | 0.04% |
1,824,007
+18,053
| +1% | +$316K |
|
331
Roblox
RBLX
$34B
| $31.3M | 0.04% |
225,646
-84,937
| -27% | -$10.6M |
|
332
Northrop Grumman
NOC
$77B
| $31M | 0.04% |
50,909
+1,925
| +4% | +$1.09M |
|
333
VanEck Semiconductor ETF
SMH
$67.6B
| $31M | 0.04% |
94,900
+4,756
| +5% | +$1.41M |
|
334
State Street SPDR S&P Dividend ETF
SDY
$21.9B
| $30.9M | 0.04% |
220,817
+5,369
| +2% | +$749K |
|
335
Coinbase
COIN
$41.7B
| $30.1M | 0.04% |
89,270
+3,738
| +4% | +$1.27M |
|
336
Novartis
NVS
$295B
| $30.1M | 0.04% |
234,890
+7,519
| +3% | +$917K |
|
337
Schwab Fundamental US Large Company Index ETF
FNDX
$26.4B
| $30.1M | 0.04% |
1,144,396
+37,006
| +3% | +$940K |
|
338
Vanguard Core Bond ETF
VCRB
$7.19B
| $30M | 0.04% |
382,696
+30,231
| +9% | +$2.35M |
|
339
iShares Morningstar Mid-Cap Growth ETF
IMCG
$3.89B
| $29.9M | 0.04% |
361,754
+17,271
| +5% | +$1.41M |
|
340
Cintas
CTAS
$82.4B
| $29.6M | 0.04% |
144,387
-10,578
| -7% | -$2.26M |
|
341
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.78B
| $29.6M | 0.04% |
1,145,915
+62,530
| +6% | +$1.6M |
|
342
First Trust Enhanced Short Maturity ETF
FTSM
$6.51B
| $29.5M | 0.04% |
492,023
-12,952
| -3% | -$777K |
|
343
JPMorgan Active Growth ETF
JGRO
$9.38B
| $29.3M | 0.04% |
312,155
+23,027
| +8% | +$2.05M |
|
344
First Trust North American Energy Infrastructure Fund
EMLP
$4.18B
| $29.2M | 0.04% |
761,571
+5,746
| +0.8% | +$217K |
|
345
State Street Financial Select Sector SPDR ETF
XLF
$55.6B
| $28.9M | 0.04% |
536,328
-115,990
| -18% | -$6.15M |
|
346
IQ MacKay Municipal Intermediate ETF
MMIT
$1.46B
| $28.7M | 0.04% |
1,181,175
+1,115,151
| +1,689% | +$26.7M |
|
347
Ametek
AME
$55.5B
| $28.4M | 0.04% |
151,059
+21,886
| +17% | +$4.03M |
|
348
iShares Russell 2000 Value ETF
IWN
$14.4B
| $28.3M | 0.04% |
160,016
-3,054
| -2% | -$516K |
|
349
Moody's
MCO
$81.7B
| $28.3M | 0.04% |
59,353
-1,235
| -2% | -$623K |
|
350
General Motors
GM
$74.7B
| $28.1M | 0.04% |
460,162
+68,707
| +18% | +$3.83M |
|
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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.