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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 | |
|---|---|---|---|---|---|---|
3326
Fulcrum Therapeutics
FULC
$294M
| $103K | ﹤0.01% |
28,104
+4,844
| +21% | +$29.5K |
|
3327
Invesco Municipal Opportunity Trust
VMO
$643M
| $103K | ﹤0.01% |
10,419
+211
| +2% | +$2.05K |
|
3328
Adecoagro
AGRO
$1.7B
| $101K | ﹤0.01% |
10,623
-107
| -1% | -$1.35K |
|
3329
Ribbon Communications
RBBN
$356M
| $101K | ﹤0.01% |
43,328
+20,235
| +88% | +$53.4K |
|
3330
Cognyte Software
CGNT
$626M
| $100K | ﹤0.01% |
11,405
-87
| -0.8% | -$825 |
|
3331
DMC Global
BOOM
$143M
| $99.2K | ﹤0.01% |
+17,076
| New | +$111K |
|
3332
Tilray
TLRY
$619M
| $99.1K | ﹤0.01% |
22,081
-3,038
| -12% | -$17.4K |
|
3333
Sabre
SABR
$860M
| $98.3K | ﹤0.01% |
47,046
-67,795
| -59% | -$119K |
|
3334
Getty Images
GETY
$98.1M
| $98K | ﹤0.01% |
113,966
+15,361
| +16% | +$13.3K |
|
3335
Gossamer Bio
GOSS
$85.7M
| $97.9K | ﹤0.01% |
594,719
+176,315
| +42% | +$49.2K |
|
|
AIRJ
3336
Montana Technologies Corp
AIRJ
$335M
| $97.8K | ﹤0.01% |
17,656
+1,303
| +8% | +$5.05K |
|
|
WRD
3337
WeRide Inc
WRD
$1.97B
| $96.9K | ﹤0.01% |
16,657
-25,830
| -61% | -$187K |
|
|
AIRO
3338
AIRO Group Holdings
AIRO
$234M
| $95.3K | ﹤0.01% |
+12,890
| New | +$101K |
|
3339
Journey Medical
DERM
$222M
| $94.5K | ﹤0.01% |
+13,348
| New | +$76.2K |
|
3340
Annexon
ANNX
$923M
| $94.1K | ﹤0.01% |
16,469
-36,773
| -69% | -$203K |
|
3341
Prime Medicine
PRME
$671M
| $93.7K | ﹤0.01% |
25,389
-53,009
| -68% | -$176K |
|
|
LAR
3342
Lithium Argentina AG
LAR
$1.11B
| $92.8K | ﹤0.01% |
11,222
| – | – |
|
3343
Stellus Capital Investment Corp
SCM
$250M
| $92.6K | ﹤0.01% |
+11,000
| New | +$101K |
|
3344
New Fortress Energy
NFE
$78.3M
| $92.3K | ﹤0.01% |
254,368
+158,835
| +166% | +$94.5K |
|
3345
Utz Brands
UTZ
$1.26B
| $92.2K | ﹤0.01% |
+11,977
| New | +$89.3K |
|
3346
Barings BDC
BBDC
$944M
| $91.6K | ﹤0.01% |
10,756
-518
| -5% | -$4.45K |
|
|
MFM
3347
Aberdeen Municipal Income Fund
MFM
$217M
| $91.2K | ﹤0.01% |
16,219
+4,254
| +36% | +$23.1K |
|
3348
Gray Television
GTN
$510M
| $90.8K | ﹤0.01% |
22,866
-24,821
| -52% | -$114K |
|
|
ETHT
3349
ProShares Ultra Ether ETF
ETHT
$254M
| $89.9K | ﹤0.01% |
11,981
+1,956
| +20% | +$27.5K |
|
|
LGVN
3350
Longeveron
LGVN
$21.7M
| $88.6K | ﹤0.01% |
+12,600
| New | +$109K |
|
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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.