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Mariner Portfolio holdings
AUM
$95.2B
Turnover
23.58%
1-Year Est. Return
32.92%
This Fund
S&P 500
This Quarter Est. Return
+19.43%
1 Year Est. Return
+32.92%
3 Year Est. Return
+93.86%
5 Year Est. Return
+109.77%
10 Year Est. Return
+319.92%
AUM
$95.2B
AUM Growth
+$9.5B
(+11%)
Cap. Flow
-$1.86B
Cap. Flow % of AUM
Cap. Flow %
-1.95%
Top 10 Holdings %
Top 10 Hldgs %
27.89%
Holding
4,003
New
458
Increased
1,438
Reduced
1,530
Closed
486
Avg Time Held
3.2
years
Top 10 Avg Time Held
4.4
years
Top 20 Avg Time Held
5.5
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$318M |
| 2 |
Jazz Pharmaceuticals
JAZZ
|
+$125M |
| 3 |
TJX Companies
TJX
|
+$120M |
| 4 |
iShares Core US Aggregate Bond ETF
AGG
|
+$110M |
| 5 |
Vanguard FTSE Developed Markets ETF
VEA
|
+$105M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
ProShares Ultra Semiconductors
USD
|
+$318M |
| 2 |
Home Depot
HD
|
+$139M |
| 3 |
Microsoft
MSFT
|
+$129M |
| 4 |
Corning
GLW
|
+$126M |
| 5 |
iShares Russell Top 200 Growth ETF
IWY
|
+$113M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 40.96% |
| 2 | Technology | 24.61% |
| 3 | Financials | 7.71% |
| 4 | Healthcare | 5.25% |
| 5 | Industrials | 5.02% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
3376
Sportsman's Warehouse
SPWH
$41.9M
| $69.7K | ﹤0.01% |
+52,419
| New | +$71.7K |
2026 Q2
0 quarters
|
|
3377
Trump Media & Technology Group Warrants
DJTWW
$833M
| $69.6K | ﹤0.01% |
21,817
| – | – |
2024 Q1
9 quarters
|
|
3378
DELISTED
Cosan
CSAN
| $69.5K | ﹤0.01% |
+24,119
| New | +$85.5K |
2026 Q2
0 quarters
|
|
3379
Invesco Municipal Income Opportunities Trust
OIA
$276M
| $69.4K | ﹤0.01% |
11,182
-4,093
| -27% | -$25K |
2023 Q4
10 quarters
|
|
3380
SIGA Technologies
SIGA
$224M
| $67.4K | ﹤0.01% |
18,523
-2,500
| -12% | -$11.2K |
2025 Q4
2 quarters
|
|
3381
Greystone Housing Impact Investors LP
GHI
$116M
| $67.2K | ﹤0.01% |
+11,586
| New | +$61.2K |
2026 Q2
0 quarters
|
|
3382
Quanterix
QTRX
$135M
| $66.8K | ﹤0.01% |
+15,471
| New | +$50.2K |
2026 Q2
0 quarters
|
|
3383
Future Fuel
FF
$250M
| $66.6K | ﹤0.01% |
+14,742
| New | +$63.5K |
2026 Q2
0 quarters
|
|
3384
Grandstand Ltd
GRSD
$45.2M
| $66.4K | ﹤0.01% |
34,946
+20,701
| +145% | +$64.5K |
2026 Q1
1 quarter
|
|
3385
LENZ Therapeutics
LENZ
$99.3M
| $66.1K | ﹤0.01% |
+11,642
| New | +$93.8K |
2026 Q2
0 quarters
|
|
3386
Franklin Limited Duration Income Trust
FTF
$214M
| $65.9K | ﹤0.01% |
11,374
-576
| -5% | -$3.38K |
2024 Q4
6 quarters
|
|
3387
Grayscale Solana Staking ETF
GSOL
$136M
| $65.7K | ﹤0.01% |
11,886
| – | – |
2025 Q4
2 quarters
|
|
3388
INmune Bio
INMB
$40.5M
| $65.7K | ﹤0.01% |
40,320
+21,277
| +112% | +$29.4K |
2025 Q2
4 quarters
|
|
|
FFAI
3389
Faraday Future Intelligent Electric
FFAI
$3.83M
| $64.9K | ﹤0.01% |
1,876
+1,527
| +438% | +$75.4K |
2026 Q1
1 quarter
|
|
3390
Cardiff Oncology
CRDF
$70.6M
| $64.2K | ﹤0.01% |
49,356
+34,905
| +242% | +$55.4K |
2026 Q1
1 quarter
|
|
3391
BigBear.ai
BBAI
$1.03B
| $62.4K | ﹤0.01% |
17,009
+2,175
| +15% | +$8.7K |
2025 Q3
3 quarters
|
|
3392
Outdoor Holding Co
POWW
$286M
| $61.5K | ﹤0.01% |
+26,981
| New | +$55.5K |
2026 Q2
0 quarters
|
|
3393
Ares Commercial Real Estate
ACRE
$186M
| $61.3K | ﹤0.01% |
+13,620
| New | +$67.2K |
2026 Q2
0 quarters
|
|
3394
OptimizeRx
OPRX
$172M
| $58.5K | ﹤0.01% |
+10,239
| New | +$58.9K |
2026 Q2
0 quarters
|
|
3395
Evolution Petroleum
EPM
$158M
| $58.5K | ﹤0.01% |
+15,895
| New | +$69.5K |
2026 Q2
0 quarters
|
|
3396
Nano X Imaging
NNOX
$29.3M
| $58.3K | ﹤0.01% |
50,229
+1,491
| +3% | +$2.81K |
2024 Q2
8 quarters
|
|
3397
Lithium Americas
LAC
$751M
| $57.8K | ﹤0.01% |
15,021
-1,254
| -8% | -$5.97K |
2024 Q4
6 quarters
|
|
3398
Claros Mortgage Trust
CMTG
$171M
| $56.5K | ﹤0.01% |
24,025
+10,585
| +79% | +$26K |
2025 Q4
2 quarters
|
|
3399
Biote Corp
BTMD
$30.7M
| $56.1K | ﹤0.01% |
29,716
+9,070
| +44% | +$18.7K |
2025 Q1
5 quarters
|
|
3400
Xerox
XRX
$336M
| $55.8K | ﹤0.01% |
+17,822
| New | +$44.5K |
2026 Q2
0 quarters
|
|
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Mariner's Q2 2026 Portfolio in Review
As of Q2 2026, Mariner held 4,003 positions worth $95.2B, up 11% from $85.7B the previous quarter. Its ten largest holdings account for 28% of the portfolio.
Mariner's Q2 2026 filing shows 458 new, 1,438 increased, 1,530 reduced and 486 closed positions. Its largest new stake was Honeywell Aerospace: 217,569 shares worth $48.1M. The largest sale was ProShares Ultra Semiconductors, an estimated $318M.
By sector, the portfolio is most concentrated in Miscellaneous at 41% of assets, down from 43% a quarter earlier, followed by Technology and Financials.
- Mariner's largest Q2 2026 buy was Honeywell Aerospace: 217,569 shares worth $48.1M.
- Mariner added most to Micron Technology in Q2 2026, an estimated $318M increase.
- Mariner's biggest Q2 2026 reduction was ProShares Ultra Semiconductors, cutting an estimated $318M.
- Mariner fully exited Fidelity Fundamental Large Cap Core ETF in Q2 2026, selling an estimated $52.7M.
- Mariner's ten largest holdings make up 28% of its $95.2B portfolio in Q2 2026.
- Mariner opened 458 new positions and closed 486 in Q2 2026.
- Mariner's portfolio value rose 11% quarter-over-quarter to $95.2B.
Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.