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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 | |
|---|---|---|---|---|---|---|---|
3476
Laser Photonics
LASE
$41.4M
| $17.6K | ﹤0.01% |
+10,651
| New | +$14.6K |
2026 Q2
0 quarters
|
|
3477
New Found Gold
NFGC
$607M
| $16.5K | ﹤0.01% |
10,745
| – | – |
2026 Q1
1 quarter
|
|
3478
Franklin Street Properties
FSP
$46.9M
| $16.5K | ﹤0.01% |
32,053
+21,750
| +211% | +$12.9K |
2026 Q1
1 quarter
|
|
3479
Tenaya Therapeutics
TNYA
$87.2M
| $16.3K | ﹤0.01% |
22,000
| – | – |
2024 Q4
6 quarters
|
|
3480
Lineage Cell Therapeutics
LCTX
$253M
| $16.1K | ﹤0.01% |
12,280
-234
| -2% | -$323 |
2022 Q3
15 quarters
|
|
3481
MindWalk Holdings
HYFT
$54.6M
| $15.8K | ﹤0.01% |
10,000
| – | – |
2023 Q4
10 quarters
|
|
3482
MIRA Pharmaceuticals
MIRA
$26M
| $15.6K | ﹤0.01% |
16,500
| – | – |
2024 Q4
6 quarters
|
|
3483
Innoviz Technologies
INVZ
$66.7M
| $15.5K | ﹤0.01% |
20,329
+7,009
| +53% | +$4.8K |
2026 Q1
1 quarter
|
|
3484
Hertz Global Holdings Warrants
HTZWW
$80.8M
| $14.7K | ﹤0.01% |
+13,481
| New | +$35.5K |
2026 Q2
0 quarters
|
|
3485
XCF Global Inc
SAFX
$66.2M
| $12.9K | ﹤0.01% |
29,291
-3,426
| -10% | -$1.55K |
2026 Q1
1 quarter
|
|
|
PMI
3486
Picard Medical
PMI
$16.6M
| $12.4K | ﹤0.01% |
+1,520
| New | +$32.3K |
2026 Q2
0 quarters
|
|
3487
Surf Air Mobility
SRFM
$103M
| $12.2K | ﹤0.01% |
10,534
-33,707
| -76% | -$39.1K |
2026 Q1
1 quarter
|
|
3488
DELISTED
Cohen & Steers Quality Income Realty Fund Inc Rights exp July 15 2026
RQI.RT
| $11.7K | ﹤0.01% |
+783,152
| New | +$13.7K |
2026 Q2
0 quarters
|
|
3489
Paramount Gold Nevada
PZG
$80.2M
| $11.4K | ﹤0.01% |
10,043
+32
| +0.3% | +$46 |
2026 Q1
1 quarter
|
|
|
NXXT
3490
NextNRG Inc
NXXT
$9.31M
| $11.3K | ﹤0.01% |
3,223
+203
| +7% | +$922 |
2026 Q1
1 quarter
|
|
3491
SkinHealth Systems
SKIN
$70.8M
| $11.2K | ﹤0.01% |
812
-787
| -49% | -$12K |
2024 Q3
7 quarters
|
|
3492
Sachem Capital Corp
SACH
$39.1M
| $10.5K | ﹤0.01% |
11,120
| – | – |
2025 Q2
4 quarters
|
|
3493
Upexi
UPXI
$62.9M
| $7.85K | ﹤0.01% |
10,005
| – | – |
2025 Q3
3 quarters
|
|
3494
Canaan Creative
CAN
$159M
| $6.18K | ﹤0.01% |
21,531
-577
| -3% | -$251 |
2024 Q2
8 quarters
|
|
|
NVX
3495
NOVONIX
NVX
$52.1M
| $5.49K | ﹤0.01% |
1,194
-2,097
| -64% | -$14K |
2025 Q4
2 quarters
|
|
3496
Generation Income Properties
GIPR
$1.11M
| $2.26K | ﹤0.01% |
1,352
| – | – |
2025 Q1
5 quarters
|
|
|
OGGWZ
3497
Osisko Gold Group Warrant exp 5/27/2027
OGGWZ
$4.08M
| $1.6K | ﹤0.01% |
26,666
| – | – |
2025 Q3
3 quarters
|
|
3498
DELISTED
NUBURU INC
BURU
| $1.58K | ﹤0.01% |
+12,328
| New | +$2.5K |
2026 Q2
0 quarters
|
|
|
GPUS
3499
Hyperscale Data Inc
GPUS
$28.7M
| $1.41K | ﹤0.01% |
+2,085
| New | +$1.7K |
2026 Q2
0 quarters
|
|
3500
Optimi Health Corp
OPTH
$18.6M
| $837 | ﹤0.01% |
+122,250
| New | +$610K |
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.