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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 | |
|---|---|---|---|---|---|---|
201
Intuitive Surgical
ISRG
$124B
| $68.8M | 0.08% |
149,353
+17,224
| +13% | +$8.71M |
|
202
Vanguard S&P 500 Growth ETF
VOOG
$26.1B
| $67.9M | 0.08% |
999,900
+29,868
| +3% | +$2.16M |
|
203
GSK
GSK
$102B
| $67.9M | 0.08% |
1,231,009
-4,519
| -0.4% | -$245K |
|
204
Newmont
NEM
$98.7B
| $67.9M | 0.08% |
627,401
+36,177
| +6% | +$4.17M |
|
205
Intuit
INTU
$79.3B
| $67M | 0.08% |
155,000
+27,619
| +22% | +$13.2M |
|
206
American Express
AXP
$240B
| $66.9M | 0.08% |
221,111
-67,066
| -23% | -$22.5M |
|
207
Prologis
PLD
$140B
| $66.7M | 0.08% |
504,429
-8,238
| -2% | -$1.1M |
|
208
American Electric Power
AEP
$71.3B
| $66.2M | 0.08% |
505,319
-25,586
| -5% | -$3.2M |
|
209
Vanguard Short-Term Corporate Bond ETF
VCSH
$44.7B
| $66.1M | 0.08% |
833,855
+53,354
| +7% | +$4.25M |
|
210
iShares MSCI EAFE Value ETF
EFV
$27.5B
| $66.1M | 0.08% |
888,630
+21,411
| +2% | +$1.61M |
|
211
MPLX
MPLX
$58B
| $65.8M | 0.08% |
1,152,602
-674
| -0.1% | -$38.2K |
|
212
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27B
| $65.7M | 0.08% |
106,752
+2,192
| +2% | +$1.39M |
|
213
Thermo Fisher Scientific
TMO
$195B
| $65.7M | 0.08% |
133,642
-20,407
| -13% | -$11.1M |
|
214
Vanguard Information Technology ETF
VGT
$142B
| $65.6M | 0.08% |
751,664
+31,936
| +4% | +$2.94M |
|
215
Vanguard Small-Cap Growth ETF
VBK
$23.6B
| $64.2M | 0.08% |
212,492
+1,286
| +0.6% | +$404K |
|
216
Altria Group
MO
$125B
| $64M | 0.07% |
970,088
-59,353
| -6% | -$3.82M |
|
217
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.09B
| $64M | 0.07% |
1,320,761
+36,275
| +3% | +$1.77M |
|
218
United Rentals
URI
$63.4B
| $63.6M | 0.07% |
87,373
+9,234
| +12% | +$7.76M |
|
219
iShares MSCI Emerging Markets ex China ETF
EMXC
$24.2B
| $62.7M | 0.07% |
796,785
+36,691
| +5% | +$2.95M |
|
220
Union Pacific
UNP
$176B
| $62.6M | 0.07% |
257,939
-12,583
| -5% | -$3.08M |
|
221
Baker Hughes
BKR
$54.7B
| $62.5M | 0.07% |
1,023,762
+18,914
| +2% | +$1.09M |
|
222
Air Products & Chemicals
APD
$66.1B
| $62.5M | 0.07% |
215,075
+28,097
| +15% | +$7.75M |
|
223
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$40.1B
| $62.4M | 0.07% |
1,123,928
+461,614
| +70% | +$26.7M |
|
224
Comfort Systems
FIX
$62.4B
| $61.9M | 0.07% |
44,886
+12,870
| +40% | +$16.3M |
|
|
HDV
225
iShares Core High Dividend ETF
HDV
$14.2B
| $61.3M | 0.07% |
2,257,590
+59,795
| +3% | +$1.59M |
|
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.