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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 | |
|---|---|---|---|---|---|---|
626
Biogen
BIIB
$29.2B
| $13.2M | 0.02% |
72,036
+19,561
| +37% | +$3.6M |
|
627
Exelixis
EXEL
$13.8B
| $13.2M | 0.02% |
307,928
+40,231
| +15% | +$1.73M |
|
628
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.08B
| $13.2M | 0.02% |
532,181
+39,362
| +8% | +$987K |
|
629
DraftKings
DKNG
$11.3B
| $13.2M | 0.02% |
609,952
+166,579
| +38% | +$4.51M |
|
630
Iron Mountain
IRM
$37B
| $13.2M | 0.02% |
129,019
+65,684
| +104% | +$6.53M |
|
631
Prosperity Bancshares
PB
$8.76B
| $13.2M | 0.02% |
195,993
+80,271
| +69% | +$5.63M |
|
632
Franklin International Core Dividend Tilt Index ETF
DIVI
$2.66B
| $13.1M | 0.02% |
330,037
-35,861
| -10% | -$1.46M |
|
|
VPLS
633
Vanguard Core Plus Bond ETF
VPLS
$1.65B
| $13.1M | 0.02% |
168,900
+135,133
| +400% | +$10.6M |
|
634
Xylem
XYL
$27.6B
| $13.1M | 0.02% |
109,422
-223,783
| -67% | -$29.3M |
|
635
MarketAxess Holdings
MKTX
$4.01B
| $13.1M | 0.02% |
79,144
+19,884
| +34% | +$3.48M |
|
636
Banco Bilbao Vizcaya Argentaria
BBVA
$145B
| $13M | 0.02% |
602,430
-14,061
| -2% | -$325K |
|
637
Deckers Outdoor
DECK
$14.2B
| $13M | 0.02% |
130,043
+43,422
| +50% | +$4.66M |
|
638
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.6B
| $12.9M | 0.02% |
163,979
+4,578
| +3% | +$372K |
|
639
Carnival Corporation Ltd
CCL
$35.7B
| $12.8M | 0.02% |
496,456
+354,293
| +249% | +$10.3M |
|
640
CSX Corp
CSX
$92.8B
| $12.7M | 0.01% |
310,638
-98,499
| -24% | -$3.86M |
|
641
Vistra
VST
$56.2B
| $12.7M | 0.01% |
84,585
+10,585
| +14% | +$1.71M |
|
642
Arrow Electronics
ARW
$11.2B
| $12.7M | 0.01% |
88,597
+11,932
| +16% | +$1.64M |
|
|
643
ProShares Ultra Semiconductors
USD
$2.85B
| $12.7M | 0.01% |
12,361,916
-2,470,827
| -17% | -$135M |
|
644
Antero Resources
AR
$10.9B
| $12.7M | 0.01% |
298,854
+114,907
| +62% | +$4.19M |
|
645
Illumina
ILMN
$28.9B
| $12.7M | 0.01% |
102,907
-6,926
| -6% | -$909K |
|
646
Cboe Global Markets
CBOE
$29.5B
| $12.6M | 0.01% |
44,858
-3,628
| -7% | -$1.01M |
|
647
AXIS Capital
AXS
$8.38B
| $12.6M | 0.01% |
124,092
+35,273
| +40% | +$3.62M |
|
648
Consolidated Edison
ED
$41.3B
| $12.6M | 0.01% |
110,964
-22,408
| -17% | -$2.43M |
|
649
Banco Santander
SAN
$197B
| $12.5M | 0.01% |
1,112,825
+42,099
| +4% | +$502K |
|
650
VictoryShares Free Cash Flow ETF
VFLO
$8.39B
| $12.5M | 0.01% |
316,363
+155,183
| +96% | +$6.18M |
|
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.