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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 | |
|---|---|---|---|---|---|---|
2551
Xperi
XPER
$369M
| $461K | ﹤0.01% |
82,277
+5,090
| +7% | +$29.5K |
|
2552
Cathay General Bancorp
CATY
$4.22B
| $460K | ﹤0.01% |
+9,224
| New | +$466K |
|
2553
Red River Bancshares
RRBI
$655M
| $460K | ﹤0.01% |
5,085
+733
| +17% | +$62K |
|
2554
Innovator US Equity Power Buffer ETF May
PMAY
$807M
| $460K | ﹤0.01% |
11,508
-1,165
| -9% | -$46.4K |
|
2555
Apple Hospitality REIT
APLE
$3.98B
| $459K | ﹤0.01% |
39,860
-4,642
| -10% | -$56.1K |
|
2556
ATS Corp
ATS
$2.57B
| $458K | ﹤0.01% |
16,237
+4,070
| +33% | +$122K |
|
2557
Alphatec Holdings
ATEC
$1.27B
| $457K | ﹤0.01% |
42,046
+27,103
| +181% | +$395K |
|
2558
Eos Energy Enterprises
EOSE
$1.24B
| $457K | ﹤0.01% |
92,206
+17,579
| +24% | +$189K |
|
2559
ICL Group
ICL
$6.83B
| $457K | ﹤0.01% |
88,378
-7,062
| -7% | -$37.8K |
|
2560
Unifirst Corp
UNF
$5.32B
| $456K | ﹤0.01% |
1,814
-988
| -35% | -$228K |
|
2561
Intapp
INTA
$2.12B
| $455K | ﹤0.01% |
17,723
+5,917
| +50% | +$176K |
|
2562
American Century Quality Diversified International ETF
QINT
$651M
| $455K | ﹤0.01% |
+6,950
| New | +$466K |
|
2563
Frontdoor
FTDR
$5.05B
| $454K | ﹤0.01% |
8,590
-14
| -0.2% | -$835 |
|
2564
Rallybio
RLYB
$86.7M
| $454K | ﹤0.01% |
50,566
-2
| -0% | -$14 |
|
|
HTFL
2565
Heartflow Inc
HTFL
$2.1B
| $453K | ﹤0.01% |
+18,623
| New | +$506K |
|
2566
InterDigital
IDCC
$6.7B
| $452K | ﹤0.01% |
1,497
-1,950
| -57% | -$663K |
|
|
NESR
2567
National Energy Services Reunited Corp
NESR
$2.78B
| $452K | ﹤0.01% |
21,056
+2,801
| +15% | +$58.3K |
|
2568
Genworth Financial
GNW
$3.81B
| $450K | ﹤0.01% |
55,460
-52,285
| -49% | -$443K |
|
2569
Reliance Steel & Aluminium
RS
$20.9B
| $450K | ﹤0.01% |
+1,481
| New | +$470K |
|
2570
Chemours
CC
$2.59B
| $449K | ﹤0.01% |
20,367
-16,495
| -45% | -$287K |
|
2571
WIX.com
WIX
$2.16B
| $448K | ﹤0.01% |
4,979
-5,073
| -50% | -$424K |
|
2572
BlackRock Science and Technology Term Trust
BSTZ
$1.98B
| $448K | ﹤0.01% |
20,468
+8,243
| +67% | +$185K |
|
2573
RLI Corp
RLI
$5.61B
| $447K | ﹤0.01% |
7,841
-1,984
| -20% | -$119K |
|
2574
TAL Education Group
TAL
$5.73B
| $446K | ﹤0.01% |
39,275
+23,311
| +146% | +$262K |
|
2575
Worthington Enterprises
WOR
$2.75B
| $445K | ﹤0.01% |
8,535
-7,125
| -45% | -$381K |
|
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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.