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Mariner Portfolio holdings
AUM
$95.2B
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
+319.93%
AUM
$95.2B
AUM Growth
+$9.54B
(+11%)
Cap. Flow
-$1.86B
Cap. Flow
% of AUM
-1.95%
Top 10 Holdings %
Top 10 Hldgs %
27.89%
Holding
4,003
New
458
Increased
1,438
Reduced
1,530
Closed
486
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 | |
|---|---|---|---|---|---|---|
3376
Sportsman's Warehouse
SPWH
$50.9M
| $69.7K | ﹤0.01% |
+52,419
| New | +$71.7K |
|
|
DJTWW
3377
Trump Media & Technology Group Warrants
DJTWW
$1.02B
| $69.6K | ﹤0.01% |
21,817
| – | – |
|
3378
Cosan
CSAN
$2.86B
| $69.5K | ﹤0.01% |
+24,119
| New | +$85.5K |
|
3379
Invesco Municipal Income Opportunities Trust
OIA
$287M
| $69.4K | ﹤0.01% |
11,182
-4,093
| -27% | -$25K |
|
3380
SIGA Technologies
SIGA
$236M
| $67.4K | ﹤0.01% |
18,523
-2,500
| -12% | -$11.2K |
|
3381
Greystone Housing Impact Investors LP
GHI
$152M
| $67.2K | ﹤0.01% |
+11,586
| New | +$61.2K |
|
3382
Quanterix
QTRX
$127M
| $66.8K | ﹤0.01% |
+15,471
| New | +$50.2K |
|
3383
Future Fuel
FF
$231M
| $66.6K | ﹤0.01% |
+14,742
| New | +$63.5K |
|
|
GRSD
3384
Grandstand Ltd
GRSD
$67.6M
| $66.4K | ﹤0.01% |
34,946
+20,701
| +145% | +$64.5K |
|
|
LENZ
3385
LENZ Therapeutics
LENZ
$187M
| $66.1K | ﹤0.01% |
+11,642
| New | +$93.8K |
|
|
FTF
3386
Franklin Limited Duration Income Trust
FTF
$231M
| $65.9K | ﹤0.01% |
11,374
-576
| -5% | -$3.38K |
|
|
GSOL
3387
Grayscale Solana Staking ETF
GSOL
$133M
| $65.7K | ﹤0.01% |
11,886
| – | – |
|
3388
INmune Bio
INMB
$67.7M
| $65.7K | ﹤0.01% |
40,320
+21,277
| +112% | +$29.4K |
|
|
FFAI
3389
Faraday Future Intelligent Electric
FFAI
$7.13M
| $64.9K | ﹤0.01% |
1,876
+1,527
| +438% | +$75.4K |
|
3390
Cardiff Oncology
CRDF
$84.8M
| $64.2K | ﹤0.01% |
49,356
+34,905
| +242% | +$55.4K |
|
3391
BigBear.ai
BBAI
$1.4B
| $62.4K | ﹤0.01% |
17,009
+2,175
| +15% | +$8.7K |
|
3392
Outdoor Holding Co
POWW
$252M
| $61.5K | ﹤0.01% |
+26,981
| New | +$55.5K |
|
|
ACRE
3393
Ares Commercial Real Estate
ACRE
$254M
| $61.3K | ﹤0.01% |
+13,620
| New | +$67.2K |
|
3394
OptimizeRx
OPRX
$148M
| $58.5K | ﹤0.01% |
+10,239
| New | +$58.9K |
|
3395
Evolution Petroleum
EPM
$132M
| $58.5K | ﹤0.01% |
+15,895
| New | +$69.5K |
|
3396
Nano X Imaging
NNOX
$65.2M
| $58.3K | ﹤0.01% |
50,229
+1,491
| +3% | +$2.81K |
|
|
LAC
3397
Lithium Americas
LAC
$1.09B
| $57.8K | ﹤0.01% |
15,021
-1,254
| -8% | -$5.97K |
|
3398
Claros Mortgage Trust
CMTG
$229M
| $56.5K | ﹤0.01% |
24,025
+10,585
| +79% | +$26K |
|
3399
Biote Corp
BTMD
$44.2M
| $56.1K | ﹤0.01% |
29,716
+9,070
| +44% | +$18.7K |
|
3400
Xerox
XRX
$436M
| $55.8K | ﹤0.01% |
+17,822
| New | +$44.5K |
|
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AI
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.