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Mariner Portfolio holdings
AUM
$95.2B
Turnover
23.58%
1-Year Est. Return
32.92%
This Fund
S&P 500
This Quarter
Est. Return
-0.96%
1 Year Est. Return
+32.92%
3 Year Est. Return
+93.86%
5 Year Est. Return
+109.77%
10 Year Est. Return
+319.92%
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
Avg Time Held
3.2
years
Top 10 Avg Time Held
4.1
years
Top 20 Avg Time Held
5.4
years
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 | Miscellaneous | 43.33% |
| 2 | Technology | 21.37% |
| 3 | Financials | 7.66% |
| 4 | Healthcare | 5.22% |
| 5 | Consumer Discretionary | 5.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
626
Biogen
BIIB
$34.4B
| $13.2M | 0.02% |
72,036
+19,561
| +37% | +$3.6M |
2020 Q4
21 quarters
|
|
627
Exelixis
EXEL
$15.4B
| $13.2M | 0.02% |
307,928
+40,231
| +15% | +$1.73M |
2019 Q1
28 quarters
|
|
628
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.7B
| $13.2M | 0.02% |
532,181
+39,362
| +8% | +$987K |
2020 Q4
21 quarters
|
|
629
DraftKings
DKNG
$9.38B
| $13.2M | 0.02% |
609,952
+166,579
| +38% | +$4.51M |
2020 Q4
21 quarters
|
|
630
Iron Mountain
IRM
$33.5B
| $13.2M | 0.02% |
129,019
+65,684
| +104% | +$6.53M |
2020 Q4
21 quarters
|
|
631
Prosperity Bancshares
PB
$8.15B
| $13.2M | 0.02% |
195,993
+80,271
| +69% | +$5.63M |
2014 Q2
47 quarters
|
|
632
Franklin International Core Dividend Tilt Index ETF
DIVI
$2.64B
| $13.1M | 0.02% |
330,037
-35,861
| -10% | -$1.46M |
2023 Q3
10 quarters
|
|
633
Vanguard Core Plus Bond ETF
VPLS
$2.01B
| $13.1M | 0.02% |
168,900
+135,133
| +400% | +$10.6M |
2025 Q3
2 quarters
|
|
634
Xylem
XYL
$24.3B
| $13.1M | 0.02% |
109,422
-223,783
| -67% | -$29.3M |
2016 Q1
40 quarters
|
|
635
MarketAxess Holdings
MKTX
$5.79B
| $13.1M | 0.02% |
79,144
+19,884
| +34% | +$3.48M |
2022 Q3
14 quarters
|
|
636
Banco Bilbao Vizcaya Argentaria
BBVA
$141B
| $13M | 0.02% |
602,430
-14,061
| -2% | -$325K |
2015 Q4
41 quarters
|
|
637
Deckers Outdoor
DECK
$11.7B
| $13M | 0.02% |
130,043
+43,422
| +50% | +$4.66M |
2022 Q3
14 quarters
|
|
638
iShares MSCI EAFE Small-Cap ETF
SCZ
$12.8B
| $12.9M | 0.02% |
163,979
+4,578
| +3% | +$372K |
2014 Q1
48 quarters
|
|
639
Carnival Corporation Ltd
CCL
$34.8B
| $12.8M | 0.02% |
496,456
+354,293
| +249% | +$10.3M |
2018 Q1
32 quarters
|
|
640
CSX Corp
CSX
$90.2B
| $12.7M | 0.01% |
310,638
-98,499
| -24% | -$3.86M |
2018 Q1
32 quarters
|
|
641
Vistra
VST
$51B
| $12.7M | 0.01% |
84,585
+10,585
| +14% | +$1.71M |
2020 Q4
21 quarters
|
|
642
Arrow Electronics
ARW
$10.9B
| $12.7M | 0.01% |
88,597
+11,932
| +16% | +$1.64M |
2022 Q3
14 quarters
|
|
|
643
ProShares Ultra Semiconductors
USD
$2.36B
| $12.7M | 0.01% |
12,361,916
-2,470,827
| -17% | -$135M |
2025 Q3
2 quarters
|
|
644
Antero Resources
AR
$11.9B
| $12.7M | 0.01% |
298,854
+114,907
| +62% | +$4.19M |
2022 Q1
16 quarters
|
|
645
Illumina
ILMN
$39.6B
| $12.7M | 0.01% |
102,907
-6,926
| -6% | -$909K |
2022 Q3
14 quarters
|
|
646
Cboe Global Markets
CBOE
$32.9B
| $12.6M | 0.01% |
44,858
-3,628
| -7% | -$1.01M |
2017 Q2
35 quarters
|
|
647
AXIS Capital
AXS
$7.27B
| $12.6M | 0.01% |
124,092
+35,273
| +40% | +$3.62M |
2022 Q4
13 quarters
|
|
648
Consolidated Edison
ED
$41.5B
| $12.6M | 0.01% |
110,964
-22,408
| -17% | -$2.43M |
2018 Q1
32 quarters
|
|
649
Banco Santander
SAN
$192B
| $12.5M | 0.01% |
1,112,825
+42,099
| +4% | +$502K |
2021 Q4
17 quarters
|
|
650
VictoryShares Free Cash Flow ETF
VFLO
$11.7B
| $12.5M | 0.01% |
316,363
+155,183
| +96% | +$6.18M |
2024 Q3
6 quarters
|
|
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 Miscellaneous at 43% of assets, up from 43% a quarter earlier, followed by Technology and Financials.
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.