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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 | |
|---|---|---|---|---|---|---|
401
First Trust Value Line Dividend Fund
FVD
$8.29B
| $21.2M | 0.03% |
457,801
-22,716
| -5% | -$1.04M |
|
402
Datadog
DDOG
$87.9B
| $21.1M | 0.03% |
148,389
+117,949
| +387% | +$16.2M |
|
403
Martin Marietta Materials
MLM
$33.6B
| $21.1M | 0.03% |
33,435
+1,827
| +6% | +$1.09M |
|
404
State Street SPDR S&P 600 Small Cap Growth ETF
SLYG
$5.02B
| $21M | 0.03% |
223,028
+16,318
| +8% | +$1.5M |
|
405
Fidelity MSCI Utilities Index ETF
FUTY
$2.41B
| $21M | 0.03% |
372,304
+19,265
| +5% | +$1.05M |
|
406
Ecolab
ECL
$75.6B
| $21M | 0.03% |
76,503
+2,710
| +4% | +$736K |
|
407
Avantis Emerging Markets Equity ETF
AVEM
$24.9B
| $20.9M | 0.03% |
278,840
+62,075
| +29% | +$4.43M |
|
408
State Street SPDR Portfolio MSCI Global Stock Market ETF
SPGM
$1.7B
| $20.9M | 0.03% |
279,503
-101,862
| -27% | -$7.3M |
|
409
Travelers Companies
TRV
$80.8B
| $20.9M | 0.03% |
74,756
+7,138
| +11% | +$1.91M |
|
410
Vanguard Financials ETF
VFH
$13.3B
| $20.8M | 0.03% |
158,520
+41,721
| +36% | +$5.4M |
|
411
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$13.5B
| $20.7M | 0.03% |
256,457
+14,079
| +6% | +$1.09M |
|
412
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.69B
| $20.4M | 0.03% |
484,706
-8,861
| -2% | -$371K |
|
413
Victory Capital Holdings
VCTR
$6.08B
| $20.4M | 0.03% |
315,201
-5,107
| -2% | -$351K |
|
414
State Street SPDR S&P Emerging Markets Small Cap ETF
EWX
$662M
| $20.4M | 0.03% |
303,264
-12,091
| -4% | -$787K |
|
415
iShares Russell 2000 Growth ETF
IWO
$14.5B
| $20.4M | 0.03% |
63,727
+975
| +2% | +$294K |
|
416
Vertiv
VRT
$112B
| $20.2M | 0.03% |
134,225
+19,833
| +17% | +$2.65M |
|
417
ResMed
RMD
$28.3B
| $20.1M | 0.03% |
73,389
-1,525
| -2% | -$417K |
|
418
Johnson Controls International
JCI
$87.5B
| $19.9M | 0.03% |
181,014
-3,023
| -2% | -$323K |
|
419
Goldman Sachs Access Treasury 0-1 Year ETF
GBIL
$7.68B
| $19.9M | 0.03% |
198,492
-25,621
| -11% | -$2.56M |
|
420
TransDigm Group
TDG
$69.2B
| $19.7M | 0.03% |
14,978
-1,344
| -8% | -$1.92M |
|
421
First Trust Capital Strength ETF
FTCS
$7.88B
| $19.7M | 0.03% |
210,476
+33,416
| +19% | +$3.08M |
|
422
Vanguard Total International Bond ETF
BNDX
$82B
| $19.7M | 0.03% |
398,405
+5,536
| +1% | +$273K |
|
423
iShares MBS ETF
MBB
$39B
| $19.7M | 0.03% |
206,738
-1,154
| -0.6% | -$108K |
|
424
Vanguard Health Care ETF
VHT
$18.2B
| $19.6M | 0.03% |
75,678
-1,319
| -2% | -$331K |
|
425
Blue Owl Capital
OBDC
$5.35B
| $19.6M | 0.03% |
1,533,618
+109,381
| +8% | +$1.56M |
|
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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.