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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 | |
|---|---|---|---|---|---|---|
2126
Telephone and Data Systems
TDS
$3.91B
| $803K | ﹤0.01% |
19,087
+7,755
| +68% | +$341K |
|
|
PSTL
2127
Postal Realty Trust
PSTL
$723M
| $802K | ﹤0.01% |
+43,185
| New | +$801K |
|
2128
Dorian LPG
LPG
$1.94B
| $801K | ﹤0.01% |
23,414
+11,443
| +96% | +$362K |
|
2129
Hormel Foods
HRL
$13.9B
| $799K | ﹤0.01% |
35,262
+21,273
| +152% | +$508K |
|
2130
Alignment Healthcare
ALHC
$4.02B
| $798K | ﹤0.01% |
45,307
+2,822
| +7% | +$56.7K |
|
2131
Hercules Capital
HTGC
$2.94B
| $797K | ﹤0.01% |
53,984
-2,469
| -4% | -$40.3K |
|
|
HIMU
2132
iShares High Yield Muni Active ETF
HIMU
$2.37B
| $797K | ﹤0.01% |
16,617
-29,787
| -64% | -$1.45M |
|
2133
Graham Holdings Company
GHC
$4.97B
| $793K | ﹤0.01% |
750
-442
| -37% | -$487K |
|
2134
Mesa Laboratories
MLAB
$539M
| $793K | ﹤0.01% |
8,966
+5,653
| +171% | +$487K |
|
|
CMBT
2135
CMB.TECH NV
CMBT
$4.57B
| $792K | ﹤0.01% |
62,618
-754
| -1% | -$9.46K |
|
2136
Alerus Financial
ALRS
$822M
| $792K | ﹤0.01% |
33,395
+680
| +2% | +$16.5K |
|
2137
iShares Global Industrials ETF
EXI
$1.41B
| $791K | ﹤0.01% |
4,369
+173
| +4% | +$32.6K |
|
2138
YPF
YPF
$20.2B
| $790K | ﹤0.01% |
17,099
-648
| -4% | -$24.5K |
|
2139
SLB Ltd
SLB
$77.8B
| $790K | ﹤0.01% |
15,381
-119,488
| -89% | -$5.8M |
|
2140
Kodiak Gas Services
KGS
$5.96B
| $789K | ﹤0.01% |
13,538
-8,923
| -40% | -$433K |
|
2141
Guardant Health
GH
$19.5B
| $788K | ﹤0.01% |
8,541
+2,930
| +52% | +$294K |
|
2142
First Trust Nasdaq Semiconductor ETF
FTXL
$2.22B
| $787K | ﹤0.01% |
5,339
-1,195
| -18% | -$180K |
|
2143
State Street SPDR Bloomberg 3-12 Month T-Bill ETF
BILS
$3.84B
| $787K | ﹤0.01% |
7,916
-4,974
| -39% | -$494K |
|
2144
Monarch Casino & Resort
MCRI
$2.14B
| $787K | ﹤0.01% |
8,231
+4,669
| +131% | +$444K |
|
2145
Four Corners Property Trust
FCPT
$2.86B
| $787K | ﹤0.01% |
33,255
+7,855
| +31% | +$194K |
|
2146
Kiniksa Pharmaceuticals
KNSA
$4.83B
| $786K | ﹤0.01% |
16,318
+2,799
| +21% | +$124K |
|
2147
Fidelity MSCI Communication Services Index ETF
FCOM
$1.74B
| $785K | ﹤0.01% |
11,524
+682
| +6% | +$49.1K |
|
2148
Astera Labs
ALAB
$50B
| $784K | ﹤0.01% |
7,148
-2,549
| -26% | -$363K |
|
2149
Artisan Partners
APAM
$2.79B
| $783K | ﹤0.01% |
21,527
+3,180
| +17% | +$130K |
|
2150
Invesco S&P 500 Equal Weight Energy ETF
RSPG
$572M
| $781K | ﹤0.01% |
+7,132
| New | +$679K |
|
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.