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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 | |
|---|---|---|---|---|---|---|
1901
TG Therapeutics
TGTX
$8.58B
| $1.1M | ﹤0.01% |
33,102
+7,633
| +30% | +$227K |
|
|
DFSD
1902
Dimensional Short-Duration Fixed Income ETF
DFSD
$7.03B
| $1.1M | ﹤0.01% |
22,906
+2,711
| +13% | +$130K |
|
1903
UGI
UGI
$8B
| $1.1M | ﹤0.01% |
30,103
-5,570
| -16% | -$210K |
|
|
BCAX
1904
Bicara Therapeutics
BCAX
$1.78B
| $1.09M | ﹤0.01% |
55,037
-9,525
| -15% | -$164K |
|
1905
Dimensional Emerging Markets High Profitability ETF
DEHP
$418M
| $1.09M | ﹤0.01% |
+32,295
| New | +$1.12M |
|
1906
Distillate US Fundamental Stability & Value ETF
DSTL
$1.91B
| $1.09M | ﹤0.01% |
18,834
| – | – |
|
1907
iShares US Consumer Staples ETF
IYK
$1.39B
| $1.09M | ﹤0.01% |
15,531
+3,244
| +26% | +$233K |
|
1908
iShares Morningstar Small-Cap Value ETF
ISCV
$687M
| $1.09M | ﹤0.01% |
15,631
-1,418
| -8% | -$101K |
|
|
FEOE
1909
First Eagle Overseas Equity ETF
FEOE
$1.52B
| $1.08M | ﹤0.01% |
+21,473
| New | +$1.11M |
|
1910
Knowles
KN
$3.22B
| $1.08M | ﹤0.01% |
42,202
+15,519
| +58% | +$393K |
|
1911
Joby Aviation
JOBY
$6.82B
| $1.08M | ﹤0.01% |
131,148
+15,068
| +13% | +$170K |
|
1912
Suburban Propane Partners
SPH
$1.23B
| $1.08M | ﹤0.01% |
54,916
+3,834
| +8% | +$76.5K |
|
1913
Packaging Corp of America
PKG
$22.7B
| $1.08M | ﹤0.01% |
5,092
-34,062
| -87% | -$7.6M |
|
1914
FT Vest US Equity Enhance & Moderate Buffer ETF June
XJUN
$136M
| $1.08M | ﹤0.01% |
25,099
-602
| -2% | -$26K |
|
1915
FT Vest US Equity Enhance & Moderate Buffer ETF July
XJUL
$41.7M
| $1.08M | ﹤0.01% |
27,711
-1,848
| -6% | -$72.4K |
|
1916
Freshworks
FRSH
$2.84B
| $1.08M | ﹤0.01% |
134,211
+48,667
| +57% | +$449K |
|
1917
Cohen & Steers
CNS
$4.18B
| $1.07M | ﹤0.01% |
+17,142
| New | +$1.12M |
|
1918
Sable Offshore Corp
SOC
$903M
| $1.07M | ﹤0.01% |
64,808
+31,720
| +96% | +$371K |
|
1919
First Trust Small Cap Core AlphaDEX Fund
FYX
$1.36B
| $1.07M | ﹤0.01% |
8,947
+2,694
| +43% | +$325K |
|
1920
Northwest Bancshares
NWBI
$2.25B
| $1.06M | ﹤0.01% |
83,851
+21,037
| +33% | +$265K |
|
1921
Invesco NASDAQ Internet ETF
PNQI
$501M
| $1.06M | ﹤0.01% |
23,773
+97
| +0.4% | +$4.73K |
|
1922
Artivion
AORT
$1.23B
| $1.06M | ﹤0.01% |
28,951
-11,312
| -28% | -$446K |
|
1923
WSFS Financial
WSFS
$4.1B
| $1.06M | ﹤0.01% |
16,193
+4,545
| +39% | +$286K |
|
1924
Piper Sandler
PIPR
$5.14B
| $1.06M | ﹤0.01% |
13,822
-6,230
| -31% | -$511K |
|
1925
UWM Holdings
UWMC
$621M
| $1.06M | ﹤0.01% |
291,836
-36,504
| -11% | -$168K |
|
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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.