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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 | |
|---|---|---|---|---|---|---|
3426
Torrid Holdings
CURV
$243M
| $41K | ﹤0.01% |
+21,927
| New | +$38.3K |
|
3427
Waldencast
WALD
$176M
| $40.8K | ﹤0.01% |
+23,198
| New | +$31K |
|
3428
Microvision
MVIS
$50.5M
| $40.7K | ﹤0.01% |
8,289
+7,444
| +881% | +$61.4K |
|
3429
RLX Technology
RLX
$2.2B
| $40.5K | ﹤0.01% |
21,326
-1,623
| -7% | -$3.37K |
|
3430
Milestone Scientific
MLSS
$41.6M
| $39.1K | ﹤0.01% |
121,750
| – | – |
|
3431
TTEC Holdings
TTEC
$68M
| $38.6K | ﹤0.01% |
+19,884
| New | +$51.4K |
|
3432
Direxion Daily Small Cap Bear 3x ETF
TZA
$237M
| $38.2K | ﹤0.01% |
+1,009
| New | +$48.8K |
|
3433
ProQR Therapeutics
PRQR
$292M
| $37.5K | ﹤0.01% |
20,169
| – | – |
|
3434
Sundial Growers
SNDL
$358M
| $37.5K | ﹤0.01% |
+27,755
| New | +$39.7K |
|
|
HIVE
3435
HIVE Digital Technologies
HIVE
$853M
| $37.3K | ﹤0.01% |
+10,237
| New | +$33.1K |
|
3436
Ring Energy
REI
$391M
| $37.3K | ﹤0.01% |
34,500
| – | – |
|
3437
Milestone Pharmaceuticals
MIST
$149M
| $37.2K | ﹤0.01% |
27,830
-3,000
| -10% | -$4.8K |
|
|
NGEN
3438
NervGen Pharma
NGEN
$251M
| $36.8K | ﹤0.01% |
17,875
| – | – |
|
3439
374Water
SCWO
$58.8M
| $36.2K | ﹤0.01% |
19,075
+1,000
| +6% | +$2.53K |
|
|
QNTM
3440
Quantum Biopharma Class B Subordinate Voting Shares
QNTM
$136
| $36.2K | ﹤0.01% |
10,000
-59
| -0.6% | -$278 |
|
|
BHR
3441
Braemar Hotels & Resorts
BHR
$130M
| $35.3K | ﹤0.01% |
16,326
-569
| -3% | -$1.36K |
|
|
ATYR
3442
aTyr Pharma
ATYR
$48.8M
| $35K | ﹤0.01% |
+58,658
| New | +$38.3K |
|
|
GAU
3443
Galiano Gold
GAU
$594M
| $34.1K | ﹤0.01% |
18,218
+968
| +6% | +$2.24K |
|
|
IAUX
3444
i-80 Gold Corp
IAUX
$1.55B
| $33.2K | ﹤0.01% |
23,088
+882
| +4% | +$1.36K |
|
3445
Definitive Healthcare
DH
$112M
| $33.2K | ﹤0.01% |
39,937
+24,696
| +162% | +$22.6K |
|
3446
Accuray
ARAY
$31.9M
| $32.9K | ﹤0.01% |
127,442
+78,216
| +159% | +$29.1K |
|
3447
Mobix Labs
MOBX
$16.6M
| $32.6K | ﹤0.01% |
15,527
+1,982
| +15% | +$4.75K |
|
|
FLD
3448
Fold Holdings
FLD
$29.7M
| $32.5K | ﹤0.01% |
71,659
+3,790
| +6% | +$4.09K |
|
|
ACTU
3449
Actuate Therapeutics
ACTU
$35.5M
| $32.3K | ﹤0.01% |
+21,082
| New | +$48.9K |
|
3450
OPAL Fuels
OPAL
$61M
| $31.3K | ﹤0.01% |
+14,210
| New | +$31.2K |
|
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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.