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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 | |
|---|---|---|---|---|---|---|---|
3426
Torrid Holdings
CURV
$204M
| $41K | ﹤0.01% |
+21,927
| New | +$38.3K |
2026 Q2
0 quarters
|
|
3427
DELISTED
Waldencast
WALD
| $40.8K | ﹤0.01% |
+23,198
| New | +$31K |
2026 Q2
0 quarters
|
|
3428
Microvision
MVIS
$36.1M
| $40.7K | ﹤0.01% |
8,289
+7,444
| +881% | +$61.4K |
2023 Q1
13 quarters
|
|
3429
RLX Technology
RLX
$1.97B
| $40.5K | ﹤0.01% |
21,326
-1,623
| -7% | -$3.37K |
2023 Q3
11 quarters
|
|
3430
Milestone Scientific
MLSS
$27.6M
| $39.1K | ﹤0.01% |
121,750
| – | – |
2022 Q3
15 quarters
|
|
3431
TTEC Holdings
TTEC
$74.4M
| $38.6K | ﹤0.01% |
+19,884
| New | +$51.4K |
2026 Q2
0 quarters
|
|
3432
Direxion Daily Small Cap Bear 3x ETF
TZA
$240M
| $38.2K | ﹤0.01% |
+1,009
| New | +$48.8K |
2026 Q2
0 quarters
|
|
3433
ProQR Therapeutics
PRQR
$182M
| $37.5K | ﹤0.01% |
20,169
| – | – |
2022 Q4
14 quarters
|
|
3434
Sundial Growers
SNDL
$317M
| $37.5K | ﹤0.01% |
+27,755
| New | +$39.7K |
2026 Q2
0 quarters
|
|
3435
HIVE Digital Technologies
HIVE
$529M
| $37.3K | ﹤0.01% |
+10,237
| New | +$33.1K |
2026 Q2
0 quarters
|
|
3436
Ring Energy
REI
$373M
| $37.3K | ﹤0.01% |
34,500
| – | – |
2024 Q4
6 quarters
|
|
3437
Milestone Pharmaceuticals
MIST
$80.7M
| $37.2K | ﹤0.01% |
27,830
-3,000
| -10% | -$4.8K |
2025 Q2
4 quarters
|
|
3438
NervGen Pharma
NGEN
$154M
| $36.8K | ﹤0.01% |
17,875
| – | – |
2026 Q1
1 quarter
|
|
3439
374Water
SCWO
$41.8M
| $36.2K | ﹤0.01% |
19,075
+1,000
| +6% | +$2.53K |
2022 Q3
15 quarters
|
|
3440
Quantum Biopharma Class B Subordinate Voting Shares
QNTM
$18.1M
| $36.2K | ﹤0.01% |
10,000
-59
| -0.6% | -$278 |
2026 Q1
1 quarter
|
|
3441
Braemar Hotels & Resorts
BHR
$96.8M
| $35.3K | ﹤0.01% |
16,326
-569
| -3% | -$1.36K |
2026 Q1
1 quarter
|
|
3442
aTyr Pharma
ATYR
$16.2M
| $35K | ﹤0.01% |
+58,658
| New | +$38.3K |
2026 Q2
0 quarters
|
|
3443
Galiano Gold
GAU
$523M
| $34.1K | ﹤0.01% |
18,218
+968
| +6% | +$2.24K |
2025 Q4
2 quarters
|
|
3444
i-80 Gold Corp
IAUX
$1.26B
| $33.2K | ﹤0.01% |
23,088
+882
| +4% | +$1.36K |
2025 Q2
4 quarters
|
|
3445
Definitive Healthcare
DH
$115M
| $33.2K | ﹤0.01% |
39,937
+24,696
| +162% | +$22.6K |
2026 Q1
1 quarter
|
|
3446
Accuray
ARAY
$15.5M
| $32.9K | ﹤0.01% |
127,442
+78,216
| +159% | +$29.1K |
2025 Q2
4 quarters
|
|
3447
Mobix Labs
MOBX
$12.9M
| $32.6K | ﹤0.01% |
15,527
+1,982
| +15% | +$4.75K |
2023 Q4
10 quarters
|
|
3448
Fold Holdings
FLD
$28.2M
| $32.5K | ﹤0.01% |
71,659
+3,790
| +6% | +$4.09K |
2025 Q3
3 quarters
|
|
3449
Actuate Therapeutics
ACTU
$11.4M
| $32.3K | ﹤0.01% |
+21,082
| New | +$48.9K |
2026 Q2
0 quarters
|
|
3450
OPAL Fuels
OPAL
$45.7M
| $31.3K | ﹤0.01% |
+14,210
| New | +$31.2K |
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.