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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 | |
|---|---|---|---|---|---|---|
2076
OR Royalties Inc
OR
$5.47B
| $869K | ﹤0.01% |
22,867
-1,796
| -7% | -$73.8K |
|
2077
Novanta
NOVT
$5.04B
| $865K | ﹤0.01% |
7,334
+613
| +9% | +$80.4K |
|
|
ALX
2078
Alexander's
ALX
$1.4B
| $861K | ﹤0.01% |
3,643
-1,017
| -22% | -$242K |
|
2079
Liquidia Corp
LQDA
$7.67B
| $860K | ﹤0.01% |
22,791
-26,961
| -54% | -$1M |
|
2080
Eagle Bancorp
EGBN
$867M
| $859K | ﹤0.01% |
34,547
-2,725
| -7% | -$68K |
|
|
ONT
2081
Onterris Inc
ONT
$710M
| $856K | ﹤0.01% |
39,101
-2,596
| -6% | -$62.3K |
|
2082
T. Rowe Price
TROW
$25B
| $854K | ﹤0.01% |
9,475
-28,264
| -75% | -$2.74M |
|
2083
Mueller Water Products
MWA
$3.92B
| $854K | ﹤0.01% |
31,051
+5,074
| +20% | +$141K |
|
2084
American Superconductor
AMSC
$1.48B
| $851K | ﹤0.01% |
25,150
+4,587
| +22% | +$145K |
|
2085
Royce Value Trust
RVT
$2.21B
| $850K | ﹤0.01% |
51,219
-50,902
| -50% | -$884K |
|
2086
Trimble
TRMB
$12.3B
| $848K | ﹤0.01% |
12,997
-3,855
| -23% | -$268K |
|
2087
First Trust Nasdaq Artificial Intelligence and Robotics ETF
ROBT
$693M
| $847K | ﹤0.01% |
18,358
-20,400
| -53% | -$1.04M |
|
2088
Mid Penn Bancorp
MPB
$942M
| $847K | ﹤0.01% |
+26,342
| New | +$853K |
|
2089
Invesco S&P Global Water Index ETF
CGW
$1.05B
| $846K | ﹤0.01% |
13,416
-636
| -5% | -$41.7K |
|
2090
VanEck Morningstar International Moat ETF
MOTI
$70.1M
| $844K | ﹤0.01% |
+24,717
| New | +$914K |
|
|
HUT
2091
Hut 8
HUT
$12.4B
| $842K | ﹤0.01% |
17,952
-9,841
| -35% | -$532K |
|
2092
Global X SuperDividend US ETF
DIV
$787M
| $842K | ﹤0.01% |
44,534
+8,451
| +23% | +$159K |
|
2093
Hartford Multifactor Emerging Markets ETF
ROAM
$106M
| $841K | ﹤0.01% |
27,132
+1,766
| +7% | +$55.5K |
|
2094
JPMorgan International Growth ETF
JIG
$468M
| $841K | ﹤0.01% |
11,329
-733
| -6% | -$56.7K |
|
2095
The Ensign Group
ENSG
$10.1B
| $840K | ﹤0.01% |
+4,168
| New | +$815K |
|
2096
Janus Henderson Securitized Income ETF
JSI
$1.51B
| $839K | ﹤0.01% |
16,275
+80
| +0.5% | +$4.17K |
|
2097
Envista
NVST
$4.28B
| $838K | ﹤0.01% |
33,042
-40,214
| -55% | -$1.04M |
|
2098
MoonLake Immunotherapeutics
MLTX
$1.59B
| $838K | ﹤0.01% |
44,950
+24,791
| +123% | +$411K |
|
2099
Haemonetics
HAE
$3.58B
| $836K | ﹤0.01% |
14,851
+3,760
| +34% | +$245K |
|
2100
iShares US Tech Breakthrough Multisector ETF
TECB
$455M
| $834K | ﹤0.01% |
15,026
+352
| +2% | +$20.5K |
|
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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.