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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 | |
|---|---|---|---|---|---|---|
2901
Winnebago Industries
WGO
$850M
| $293K | ﹤0.01% |
+9,457
| New | +$394K |
|
2902
BlackRock Enhanced Equity Dividend Trust
BDJ
$1.7B
| $293K | ﹤0.01% |
33,945
-998
| -3% | -$9.32K |
|
2903
Protagonist Therapeutics
PTGX
$8.71B
| $292K | ﹤0.01% |
2,775
-4,845
| -64% | -$429K |
|
2904
Invesco Energy Exploration & Production ETF
PXE
$87M
| $292K | ﹤0.01% |
7,458
-1,585
| -18% | -$51.8K |
|
2905
Korro Bio
KRRO
$166M
| $292K | ﹤0.01% |
+25,819
| New | +$284K |
|
2906
Home Bancorp
HBCP
$545M
| $292K | ﹤0.01% |
4,820
+1,179
| +32% | +$70.9K |
|
2907
Strategy Shares Gold-Hedged Bond ETF
GOLY
$84.8M
| $292K | ﹤0.01% |
9,911
+939
| +10% | +$33.9K |
|
2908
Dyne Therapeutics
DYN
$3.95B
| $292K | ﹤0.01% |
+16,089
| New | +$277K |
|
2909
Chemung Financial Corp
CHMG
$359M
| $291K | ﹤0.01% |
+5,411
| New | +$306K |
|
2910
Protolabs
PRLB
$1.87B
| $290K | ﹤0.01% |
5,094
+567
| +13% | +$32.9K |
|
2911
First Trust Emerging Markets AlphaDEX Fund
FEM
$756M
| $290K | ﹤0.01% |
9,695
| – | – |
|
2912
REX American Resources
REX
$1.49B
| $289K | ﹤0.01% |
6,342
-832
| -12% | -$30.1K |
|
|
XRPZ
2913
Franklin XRP ETF
XRPZ
$171M
| $289K | ﹤0.01% |
+19,786
| New | +$347K |
|
|
SOBO
2914
South Bow Corp
SOBO
$8.07B
| $288K | ﹤0.01% |
+8,653
| New | +$263K |
|
2915
FirstService
FSV
$6.03B
| $288K | ﹤0.01% |
2,077
+409
| +25% | +$62.3K |
|
2916
Davis Select Worldwide ETF
DWLD
$584M
| $288K | ﹤0.01% |
6,577
-22
| -0.3% | -$1.01K |
|
2917
Griffon
GFF
$4.08B
| $288K | ﹤0.01% |
3,957
-14,732
| -79% | -$1.19M |
|
2918
Avanos Medical
AVNS
$1.17B
| $288K | ﹤0.01% |
20,525
+1,567
| +8% | +$21.1K |
|
|
NCV
2919
Virtus Convertible & Income Fund
NCV
$378M
| $286K | ﹤0.01% |
19,347
-630
| -3% | -$9.93K |
|
|
SW
2920
Smurfit Westrock
SW
$22.9B
| $286K | ﹤0.01% |
7,175
-13,080
| -65% | -$564K |
|
2921
FlexShares Quality Dividend Index Fund
QDF
$2.19B
| $286K | ﹤0.01% |
3,613
| – | – |
|
2922
2x Bitcoin ETF
BITX
$937M
| $286K | ﹤0.01% |
+19,380
| New | +$395K |
|
2923
Old National Bancorp
ONB
$9.99B
| $285K | ﹤0.01% |
+12,939
| New | +$302K |
|
2924
Wolverine World Wide
WWW
$1.51B
| $283K | ﹤0.01% |
+17,361
| New | +$306K |
|
2925
iShares China Large-Cap ETF
FXI
$4.29B
| $283K | ﹤0.01% |
7,887
+734
| +10% | +$27.9K |
|
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.