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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 | |
|---|---|---|---|---|---|---|---|
3326
Fulcrum Therapeutics
FULC
$281M
| $103K | ﹤0.01% |
28,104
+4,844
| +21% | +$29.5K |
2026 Q1
1 quarter
|
|
3327
Invesco Municipal Opportunity Trust
VMO
$591M
| $103K | ﹤0.01% |
10,419
+211
| +2% | +$2.05K |
2026 Q1
1 quarter
|
|
3328
Adecoagro
AGRO
$1.42B
| $101K | ﹤0.01% |
10,623
-107
| -1% | -$1.35K |
2026 Q1
1 quarter
|
|
3329
Ribbon Communications
RBBN
$249M
| $101K | ﹤0.01% |
43,328
+20,235
| +88% | +$53.4K |
2026 Q1
1 quarter
|
|
3330
Cognyte Software
CGNT
$685M
| $100K | ﹤0.01% |
11,405
-87
| -0.8% | -$825 |
2023 Q4
10 quarters
|
|
3331
DMC Global
BOOM
$107M
| $99.2K | ﹤0.01% |
+17,076
| New | +$111K |
2026 Q2
0 quarters
|
|
3332
Tilray
TLRY
$433M
| $99.1K | ﹤0.01% |
22,081
-3,038
| -12% | -$17.4K |
2026 Q1
1 quarter
|
|
3333
Sabre
SABR
$622M
| $98.3K | ﹤0.01% |
47,046
-67,795
| -59% | -$119K |
2023 Q3
11 quarters
|
|
3334
DELISTED
GETTY IMAGES HLDGS INC A
GETY
| $98K | ﹤0.01% |
113,966
+15,361
| +16% | +$13.3K |
2026 Q1
1 quarter
|
|
3335
Gossamer Bio
GOSS
$57.9M
| $97.9K | ﹤0.01% |
7,434
+2,204
| +42% | +$49.2K |
2025 Q3
3 quarters
|
|
3336
Montana Technologies Corp
AIRJ
$216M
| $97.8K | ﹤0.01% |
17,656
+1,303
| +8% | +$5.05K |
2026 Q1
1 quarter
|
|
3337
WeRide Inc
WRD
$1.36B
| $96.9K | ﹤0.01% |
16,657
-25,830
| -61% | -$187K |
2026 Q1
1 quarter
|
|
3338
AIRO Group Holdings
AIRO
$151M
| $95.3K | ﹤0.01% |
+12,890
| New | +$101K |
2026 Q2
0 quarters
|
|
3339
Journey Medical
DERM
$144M
| $94.5K | ﹤0.01% |
+13,348
| New | +$76.2K |
2026 Q2
0 quarters
|
|
3340
Annexon
ANNX
$722M
| $94.1K | ﹤0.01% |
16,469
-36,773
| -69% | -$203K |
2025 Q4
2 quarters
|
|
3341
Prime Medicine
PRME
$677M
| $93.7K | ﹤0.01% |
25,389
-53,009
| -68% | -$176K |
2025 Q3
3 quarters
|
|
3342
Lithium Argentina AG
LAR
$686M
| $92.8K | ﹤0.01% |
11,222
| – | – |
2025 Q2
4 quarters
|
|
3343
Stellus Capital Investment Corp
SCM
$193M
| $92.6K | ﹤0.01% |
+11,000
| New | +$101K |
2026 Q2
0 quarters
|
|
3344
New Fortress Energy
NFE
$20.3M
| $92.3K | ﹤0.01% |
5,087
+3,176
| +166% | +$94.4K |
2026 Q1
1 quarter
|
|
3345
Utz Brands
UTZ
$1.27B
| $92.2K | ﹤0.01% |
+11,977
| New | +$89.3K |
2026 Q2
0 quarters
|
|
3346
Barings BDC
BBDC
$873M
| $91.6K | ﹤0.01% |
10,756
-518
| -5% | -$4.45K |
2024 Q4
6 quarters
|
|
3347
Aberdeen Municipal Income Fund
MFM
$210M
| $91.2K | ﹤0.01% |
16,219
+4,254
| +36% | +$23.1K |
2023 Q4
10 quarters
|
|
3348
Gray Television
GTN
$484M
| $90.8K | ﹤0.01% |
22,866
-24,821
| -52% | -$114K |
2023 Q3
11 quarters
|
|
3349
ProShares Ultra Ether ETF
ETHT
$235M
| $89.9K | ﹤0.01% |
11,981
+1,956
| +20% | +$27.5K |
2026 Q1
1 quarter
|
|
|
LGVN
3350
Longeveron
LGVN
$5.07M
| $88.6K | ﹤0.01% |
+12,600
| New | +$109K |
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.