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Mariner Portfolio holdings
AUM
$85.7B
1-Year Est. Return
24.21%
This Fund
S&P 500
This Quarter
Est. Return
-0.96%
1 Year Est. Return
+24.21%
3 Year Est. Return
+74.24%
5 Year Est. Return
+87.67%
10 Year Est. Return
+269.13%
AUM
$85.7B
AUM Growth
+$1.66B
(+2%)
Cap. Flow
+$4.07B
Cap. Flow
% of AUM
4.75%
Top 10 Holdings %
Top 10 Hldgs %
27.24%
Holding
3,909
New
385
Increased
1,802
Reduced
1,276
Closed
364
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apollo Global Management
APO
|
+$274M |
| 2 |
iShares 3-7 Year Treasury Bond ETF
IEI
|
+$184M |
| 3 |
Microsoft
MSFT
|
+$172M |
| 4 |
Vanguard FTSE Developed Markets ETF
VEA
|
+$170M |
| 5 |
iShares Core US Aggregate Bond ETF
AGG
|
+$169M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares 7-10 Year Treasury Bond ETF
IEF
|
+$179M |
| 2 |
T-Mobile US
TMUS
|
+$162M |
| 3 |
ProShares Ultra Semiconductors
USD
|
+$135M |
| 4 |
ServiceNow
NOW
|
+$128M |
| 5 |
Abbott
ABT
|
+$126M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.37% |
| 2 | Financials | 7.66% |
| 3 | Healthcare | 5.22% |
| 4 | Consumer Discretionary | 5.2% |
| 5 | Industrials | 4.64% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
GSOL
3376
Grayscale Solana Staking ETF
GSOL
$97.1M
| $72.9K | ﹤0.01% |
11,886
| – | – |
|
3377
Nkarta
NKTX
$172M
| $72.2K | ﹤0.01% |
34,274
+21,123
| +161% | +$47.3K |
|
3378
Village Farms International
VFF
$242M
| $71.3K | ﹤0.01% |
25,100
+13,000
| +107% | +$42.2K |
|
3379
Lightwave Logic
LWLG
$1.04B
| $71.1K | ﹤0.01% |
+10,108
| New | +$47.9K |
|
3380
Outset Medical
OM
$76.6M
| $70.9K | ﹤0.01% |
+18,470
| New | +$75.7K |
|
|
MCR
3381
DELISTED
MFS Charter Income Trust
MCR
| $69.7K | ﹤0.01% |
11,740
-135
| -1% | -$836 |
|
|
DSM
3382
BNY Mellon Strategic Municipal Bond Fund
DSM
$296M
| $69.7K | ﹤0.01% |
11,591
-262
| -2% | -$1.6K |
|
|
FTF
3383
Franklin Limited Duration Income Trust
FTF
$238M
| $68.5K | ﹤0.01% |
11,950
-1,247
| -9% | -$7.59K |
|
|
SVC
3384
Service Properties Trust
SVC
$1.11B
| $68.5K | ﹤0.01% |
+10,078
| New | +$105K |
|
3385
BlackBerry
BB
$5.25B
| $68.2K | ﹤0.01% |
21,037
-1,613
| -7% | -$5.7K |
|
3386
Gerdau
GGB
$9.36B
| $68.1K | ﹤0.01% |
+18,909
| New | +$74.4K |
|
3387
Genelux
GNLX
$133M
| $67.4K | ﹤0.01% |
+27,866
| New | +$76K |
|
|
NGEN
3388
NervGen Pharma
NGEN
$183M
| $67.4K | ﹤0.01% |
+17,875
| New | +$77.4K |
|
3389
Portillo's
PTLO
$324M
| $66K | ﹤0.01% |
12,468
+1,382
| +12% | +$7.52K |
|
3390
Mammoth Energy Services
TUSK
$137M
| $65.8K | ﹤0.01% |
+26,873
| New | +$61.2K |
|
|
SLI
3391
Standard Lithium
SLI
$561M
| $65.2K | ﹤0.01% |
19,117
-37,756
| -66% | -$169K |
|
|
MFM
3392
Aberdeen Municipal Income Fund
MFM
$227M
| $64.5K | ﹤0.01% |
11,965
-161
| -1% | -$879 |
|
3393
Humacyte
HUMA
$174M
| $64.5K | ﹤0.01% |
+106,278
| New | +$110K |
|
|
LAC
3394
Lithium Americas
LAC
$1.05B
| $64.1K | ﹤0.01% |
16,275
+2,341
| +17% | +$11.5K |
|
|
MMT
3395
Aberdeen Multi-Market Income Fund
MMT
$241M
| $64K | ﹤0.01% |
14,094
-993
| -7% | -$4.63K |
|
|
DHY
3396
Credit Suisse High Yield Credit Fund
DHY
$246M
| $63.4K | ﹤0.01% |
33,390
-664
| -2% | -$1.3K |
|
3397
VinFast Auto
VFS
$7.37B
| $62.7K | ﹤0.01% |
16,298
-19,827
| -55% | -$64.9K |
|
3398
American Express Global Business Travel
GBTG
$4.91B
| $62.5K | ﹤0.01% |
11,195
-2,639
| -19% | -$16.4K |
|
3399
3D Systems Corp
DDD
$434M
| $62.1K | ﹤0.01% |
33,029
+10,191
| +45% | +$22.6K |
|
|
PNNT
3400
Pennant Park Investment Corp
PNNT
$213M
| $59.7K | ﹤0.01% |
13,297
+503
| +4% | +$2.68K |
|
Similar funds
Mariner's Q1 2026 Portfolio in Review
As of Q1 2026, Mariner held 3,909 positions worth $85.7B, up 2% from $84B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Mariner deployed $4.07B of net new capital in Q1 2026, opening 385 new positions and adding to 1,802 existing holdings. Its largest new stake was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 23% a quarter earlier, followed by Financials and Healthcare.
On the sell side, the largest reduction was iShares 7-10 Year Treasury Bond ETF, an estimated $179M trimmed.
- Mariner's largest Q1 2026 buy was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.
- Mariner added most to Apollo Global Management in Q1 2026, an estimated $274M increase.
- Mariner's biggest Q1 2026 reduction was iShares 7-10 Year Treasury Bond ETF, cutting an estimated $179M.
- Mariner fully exited Exact Sciences in Q1 2026, selling an estimated $11.1M.
- Mariner's ten largest holdings make up 27% of its $85.7B portfolio in Q1 2026.
- Mariner opened 385 new positions and closed 364 in Q1 2026.
- Mariner's portfolio value rose 2% quarter-over-quarter to $85.7B.
Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.