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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 | |
|---|---|---|---|---|---|---|
1501
Defiance Quantum ETF
QTUM
$5.21B
| $1.82M | ﹤0.01% |
17,326
+5,205
| +43% | +$499K |
|
1502
BWX Technologies
BWXT
$16.2B
| $1.82M | ﹤0.01% |
9,856
+2,094
| +27% | +$337K |
|
1503
Global X S&P 500 Covered Call ETF
XYLD
$3.21B
| $1.81M | ﹤0.01% |
46,223
+1,953
| +4% | +$76.2K |
|
1504
i3 Verticals
IIIV
$404M
| $1.81M | ﹤0.01% |
+55,820
| New | +$1.68M |
|
1505
Primerica
PRI
$9.81B
| $1.8M | ﹤0.01% |
6,485
+3,437
| +113% | +$923K |
|
1506
Sun Communities
SUI
$15B
| $1.8M | ﹤0.01% |
13,944
+1,381
| +11% | +$175K |
|
1507
iShares iBonds Dec 2027 Term Treasury ETF
IBTH
$2.25B
| $1.8M | ﹤0.01% |
79,709
+18,575
| +30% | +$417K |
|
1508
Teva Pharmaceuticals
TEVA
$36.2B
| $1.79M | ﹤0.01% |
88,651
-12,129
| -12% | -$213K |
|
1509
Kimco Realty
KIM
$17.8B
| $1.79M | ﹤0.01% |
81,801
-3,810
| -4% | -$82.8K |
|
1510
Dimensional International Small Cap ETF
DFIS
$5.76B
| $1.79M | ﹤0.01% |
56,509
+5,440
| +11% | +$167K |
|
1511
Ouster
OUST
$2.36B
| $1.78M | ﹤0.01% |
65,673
-11,309
| -15% | -$315K |
|
1512
JPMorgan International Bond Opportunities ETF
JPIB
$2.09B
| $1.77M | ﹤0.01% |
36,198
-174
| -0.5% | -$8.48K |
|
1513
Joby Aviation
JOBY
$7.25B
| $1.77M | ﹤0.01% |
109,926
+14,023
| +15% | +$213K |
|
1514
Maximus
MMS
$3.2B
| $1.77M | ﹤0.01% |
19,416
+7,084
| +57% | +$574K |
|
|
TXNM
1515
TXNM Energy Inc
TXNM
$6.44B
| $1.77M | ﹤0.01% |
31,234
+2,830
| +10% | +$161K |
|
1516
Perimeter Solutions
PRM
$5.44B
| $1.76M | ﹤0.01% |
78,753
-14,761
| -16% | -$280K |
|
1517
Fortis
FTS
$29.7B
| $1.76M | ﹤0.01% |
34,631
+3,242
| +10% | +$159K |
|
1518
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$545M
| $1.75M | ﹤0.01% |
24,980
+2,124
| +9% | +$142K |
|
1519
Penske Automotive Group
PAG
$14.2B
| $1.74M | ﹤0.01% |
10,032
+4,208
| +72% | +$750K |
|
1520
Riot Platforms
RIOT
$8.31B
| $1.74M | ﹤0.01% |
91,592
+53,765
| +142% | +$745K |
|
1521
Trimble
TRMB
$13B
| $1.74M | ﹤0.01% |
21,322
-11,846
| -36% | -$966K |
|
1522
Trex
TREX
$4.57B
| $1.74M | ﹤0.01% |
33,654
+21,085
| +168% | +$1.28M |
|
1523
Woori Financial
WF
$16.4B
| $1.74M | ﹤0.01% |
30,927
+3,128
| +11% | +$170K |
|
1524
Flowers Foods
FLO
$1.62B
| $1.74M | ﹤0.01% |
133,049
+42,293
| +47% | +$641K |
|
1525
Chemed
CHE
$6.76B
| $1.73M | ﹤0.01% |
3,866
-510
| -12% | -$231K |
|
Similar funds
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.