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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 | |
|---|---|---|---|---|---|---|
1851
T. Rowe Price Floating Rate ETF
TFLR
$668M
| $1.17M | ﹤0.01% |
23,208
+2,004
| +9% | +$102K |
|
1852
iShares iBonds Dec 2027 Term Treasury ETF
IBTH
$2.23B
| $1.17M | ﹤0.01% |
52,101
-26,884
| -34% | -$604K |
|
1853
Fidelity Quality Factor ETF
FQAL
$1.41B
| $1.17M | ﹤0.01% |
16,071
+135
| +0.8% | +$10.2K |
|
1854
Watts Water Technologies
WTS
$11.5B
| $1.17M | ﹤0.01% |
4,017
+1,545
| +63% | +$471K |
|
1855
Fidelity Enhanced Large Cap Core ETF
FELC
$7.83B
| $1.16M | ﹤0.01% |
32,022
-10,786
| -25% | -$409K |
|
1856
nCino
NCNO
$1.81B
| $1.16M | ﹤0.01% |
+77,400
| New | +$1.45M |
|
1857
Nabors Industries
NBR
$1.23B
| $1.16M | ﹤0.01% |
+13,467
| New | +$977K |
|
1858
Direxion NASDAQ-100 Equal Weighted Index ETF
QQQE
$1.33B
| $1.16M | ﹤0.01% |
11,753
-69
| -0.6% | -$7.08K |
|
1859
Global X Uranium ETF
URA
$5.52B
| $1.16M | ﹤0.01% |
23,899
-4,254
| -15% | -$221K |
|
1860
Skyward Specialty Insurance
SKWD
$2.45B
| $1.16M | ﹤0.01% |
26,450
-2,232
| -8% | -$101K |
|
1861
Symbotic
SYM
$5.11B
| $1.15M | ﹤0.01% |
21,685
-6,569
| -23% | -$376K |
|
1862
Commault Systems
CVLT
$5.89B
| $1.15M | ﹤0.01% |
+14,786
| New | +$1.4M |
|
1863
Gulfport Energy Corp
GPOR
$2.83B
| $1.15M | ﹤0.01% |
5,441
-2,821
| -34% | -$561K |
|
1864
iShares iBonds Dec 2028 Term Muni Bond ETF
IBMQ
$655M
| $1.15M | ﹤0.01% |
45,080
+9
| +0% | +$231 |
|
1865
Neogen
NEOG
$2.05B
| $1.15M | ﹤0.01% |
123,875
+3,673
| +3% | +$36.1K |
|
1866
Vanguard Russell 2000 Growth ETF
VTWG
$1.47B
| $1.15M | ﹤0.01% |
5,023
+1,824
| +57% | +$443K |
|
1867
VanEck Social Sentiment ETF
BUZZ
$103M
| $1.15M | ﹤0.01% |
39,976
-106,948
| -73% | -$3.42M |
|
1868
First Trust Exchange-Traded Fund VI First Trust BuyWrite Income ETF
FTHI
$2.36B
| $1.15M | ﹤0.01% |
50,033
-110,731
| -69% | -$2.61M |
|
1869
Qorvo
QRVO
$7.63B
| $1.15M | ﹤0.01% |
14,832
-21,005
| -59% | -$1.7M |
|
1870
FT Vest Nasdaq-100 Buffer ETF September
QSPT
$617M
| $1.15M | ﹤0.01% |
37,436
+10,593
| +39% | +$334K |
|
1871
Manchester United
MANU
$3.91B
| $1.15M | ﹤0.01% |
68,104
+7,722
| +13% | +$132K |
|
1872
Direxion Daily Financial Bull 3x ETF
FAS
$2.4B
| $1.14M | ﹤0.01% |
9,642
+795
| +9% | +$113K |
|
1873
Oceaneering
OII
$5.25B
| $1.14M | ﹤0.01% |
32,210
+930
| +3% | +$30.1K |
|
1874
Nuveen AMT-Free Quality Municipal Income Fund
NEA
$3.36B
| $1.14M | ﹤0.01% |
101,603
+24,132
| +31% | +$281K |
|
1875
ESCO Technologies
ESE
$8.49B
| $1.14M | ﹤0.01% |
4,050
+180
| +5% | +$45.4K |
|
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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.