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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 | |
|---|---|---|---|---|---|---|
101
AT&T
T
$155B
| $160M | 0.19% |
5,509,393
-124,544
| -2% | -$3.33M |
|
102
Boston Scientific
BSX
$64.2B
| $156M | 0.18% |
2,484,960
+2,053,754
| +476% | +$164M |
|
103
iShares Core S&P Total US Stock Market ETF
ITOT
$94.4B
| $156M | 0.18% |
1,096,242
-43,140
| -4% | -$6.41M |
|
104
Vanguard Total Bond Market
BND
$158B
| $156M | 0.18% |
2,113,128
+429,054
| +25% | +$31.8M |
|
105
Vanguard Intermediate-Term Bond ETF
BIV
$28.9B
| $154M | 0.18% |
2,000,360
+121,642
| +6% | +$9.47M |
|
106
Oracle
ORCL
$366B
| $152M | 0.18% |
1,034,224
-89,234
| -8% | -$14.5M |
|
107
Advanced Micro Devices
AMD
$888B
| $152M | 0.18% |
747,258
+115,301
| +18% | +$24.6M |
|
108
GE Aerospace
GE
$353B
| $149M | 0.17% |
524,925
+149,953
| +40% | +$47.1M |
|
109
Morgan Stanley
MS
$340B
| $148M | 0.17% |
896,855
+21,134
| +2% | +$3.66M |
|
110
Duke Energy
DUK
$98.2B
| $147M | 0.17% |
1,123,879
-35,615
| -3% | -$4.45M |
|
111
Dimensional Emerging Core Equity Market ETF
DFAE
$9.45B
| $144M | 0.17% |
4,257,033
+114,946
| +3% | +$4.02M |
|
112
Janus Henderson AAA CLO ETF
JAAA
$29.1B
| $142M | 0.17% |
2,819,146
+9,038
| +0.3% | +$457K |
|
113
Invesco FTSE RAFI US 1000 ETF
PRF
$9.76B
| $142M | 0.17% |
2,984,153
-151,263
| -5% | -$7.35M |
|
114
Waste Management
WM
$93.6B
| $140M | 0.16% |
609,264
-12,693
| -2% | -$2.92M |
|
115
State Street Technology Select Sector SPDR ETF
XLK
$118B
| $139M | 0.16% |
1,046,587
-37,933
| -3% | -$5.35M |
|
116
Eaton
ETN
$156B
| $136M | 0.16% |
379,801
+4,814
| +1% | +$1.71M |
|
117
Leidos
LDOS
$13.2B
| $135M | 0.16% |
870,677
-37,275
| -4% | -$6.69M |
|
118
Marathon Petroleum
MPC
$93.3B
| $135M | 0.16% |
553,551
+1,477
| +0.3% | +$298K |
|
119
Blackrock
BLK
$161B
| $135M | 0.16% |
140,493
+13,452
| +11% | +$14.2M |
|
120
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$52.1B
| $134M | 0.16% |
1,365,582
-136,903
| -9% | -$14.3M |
|
121
Bank of America
BAC
$430B
| $134M | 0.16% |
2,741,434
+141,582
| +5% | +$7.31M |
|
122
IBM
IBM
$198B
| $133M | 0.16% |
550,311
+35,274
| +7% | +$9.54M |
|
123
Cummins
CMI
$91.1B
| $132M | 0.15% |
245,167
+23,359
| +11% | +$13.2M |
|
124
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17B
| $131M | 0.15% |
1,307,508
+786,471
| +151% | +$79.1M |
|
125
Texas Instruments
TXN
$265B
| $127M | 0.15% |
655,145
-131,829
| -17% | -$26.7M |
|
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.