We are live on
!
Find out more
Mariner Portfolio holdings
AUM
$85.7B
1-Year Est. Return
24.21%
This Fund
S&P 500
This Quarter
Est. Return
+9.26%
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
$77.4B
AUM Growth
+$8.11B
(+12%)
Cap. Flow
+$3.32B
Cap. Flow
% of AUM
4.29%
Top 10 Holdings %
Top 10 Hldgs %
28.04%
Holding
3,806
New
339
Increased
1,836
Reduced
1,278
Closed
264
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
ProShares Ultra Semiconductors
USD
|
+$770M |
| 2 |
NVIDIA
NVDA
|
+$373M |
| 3 |
Meta Platforms (Facebook)
META
|
+$179M |
| 4 |
Teledyne Technologies
TDY
|
+$167M |
| 5 |
Apple
AAPL
|
+$155M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Take-Two Interactive
TTWO
|
+$189M |
| 2 |
lululemon athletica
LULU
|
+$80.3M |
| 3 |
iShares 0-1 Year Treasury Bond ETF
SHV
|
+$79.8M |
| 4 |
Arch Capital
ACGL
|
+$42.3M |
| 5 |
Advanced Micro Devices
AMD
|
+$38.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.54% |
| 2 | Financials | 7.9% |
| 3 | Consumer Discretionary | 5.38% |
| 4 | Communication Services | 4.83% |
| 5 | Healthcare | 4.73% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1926
Nokia
NOK
$50.1B
| $975K | ﹤0.01% |
202,733
-52,775
| -21% | -$239K |
|
|
AMTM
1927
Amentum Holdings
AMTM
$5.7B
| $973K | ﹤0.01% |
40,642
-2,347
| -5% | -$57.1K |
|
1928
Commault Systems
CVLT
$5.08B
| $972K | ﹤0.01% |
5,150
+907
| +21% | +$164K |
|
1929
UiPath
PATH
$6.25B
| $971K | ﹤0.01% |
72,594
-43,971
| -38% | -$520K |
|
1930
Innovator US Equity Power Buffer ETF May
PMAY
$808M
| $971K | ﹤0.01% |
24,967
-1,840
| -7% | -$70.5K |
|
1931
Seadrill
SDRL
$2.59B
| $969K | ﹤0.01% |
32,065
+1,358
| +4% | +$41.4K |
|
1932
Vanguard Total Corporate Bond ETF
VTC
$1.73B
| $969K | ﹤0.01% |
12,358
| – | – |
|
1933
Nuveen AMT-Free Quality Municipal Income Fund
NEA
$3.37B
| $968K | ﹤0.01% |
84,986
+4,214
| +5% | +$46.3K |
|
|
MZTI
1934
The Marzetti Company
MZTI
$3.03B
| $968K | ﹤0.01% |
5,601
-3,068
| -35% | -$550K |
|
1935
Transmedics
TMDX
$2.6B
| $967K | ﹤0.01% |
8,617
-2,881
| -25% | -$337K |
|
1936
Harbor International Compounders ETF
OSEA
$474M
| $963K | ﹤0.01% |
32,571
+607
| +2% | +$17.7K |
|
|
INV
1937
Innventure Inc
INV
$248M
| $963K | ﹤0.01% |
+166,240
| New | +$850K |
|
1938
Marathon Digital Holdings
MARA
$4.33B
| $962K | ﹤0.01% |
52,689
+24,977
| +90% | +$421K |
|
1939
Royalty Pharma
RPRX
$26.5B
| $962K | ﹤0.01% |
27,261
-30,742
| -53% | -$1.11M |
|
1940
iShares Core MSCI Europe ETF
IEUR
$8.85B
| $962K | ﹤0.01% |
14,116
+9,738
| +222% | +$649K |
|
1941
Nuveen Municipal High Income Opportunity Fund
NMZ
$2.2B
| $960K | ﹤0.01% |
90,676
-1,484
| -2% | -$15.2K |
|
1942
First Trust Nasdaq-100 Select Equal Weight ETF
QQEW
$1.72B
| $960K | ﹤0.01% |
6,800
-3,577
| -34% | -$492K |
|
1943
Sterling Infrastructure
STRL
$16.5B
| $960K | ﹤0.01% |
2,825
+380
| +16% | +$108K |
|
1944
Chesapeake Utilities
CPK
$3.33B
| $953K | ﹤0.01% |
7,074
+2,958
| +72% | +$367K |
|
1945
Interface
TILE
$2B
| $951K | ﹤0.01% |
32,855
-754
| -2% | -$19K |
|
1946
Adams Diversified Equity Fund
ADX
$3.09B
| $951K | ﹤0.01% |
42,636
-2,885
| -6% | -$63K |
|
1947
Reliance Steel & Aluminium
RS
$21.1B
| $950K | ﹤0.01% |
3,384
-912
| -21% | -$274K |
|
1948
FT Vest US Equity Buffer ETF September
FSEP
$1.21B
| $947K | ﹤0.01% |
18,747
-1,031
| -5% | -$50.9K |
|
1949
JD.com
JD
$42.7B
| $947K | ﹤0.01% |
27,083
-3,803
| -12% | -$124K |
|
1950
Weatherford International
WFRD
$6.03B
| $947K | ﹤0.01% |
13,840
+2,912
| +27% | +$173K |
|
Similar funds
Mariner's Q3 2025 Portfolio in Review
As of Q3 2025, Mariner held 3,806 positions worth $77.4B, up 12% from $69.3B the previous quarter. Its ten largest holdings account for 28% of the portfolio.
Mariner deployed $3.32B of net new capital in Q3 2025, opening 339 new positions and adding to 1,836 existing holdings. Its largest new stake was ProShares Ultra Semiconductors: 17,808,292 shares worth $8.97M.
By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Financials and Consumer Discretionary.
On the sell side, the largest reduction was Take-Two Interactive, an estimated $189M trimmed.
- Mariner's largest Q3 2025 buy was ProShares Ultra Semiconductors: 17,808,292 shares worth $8.97M.
- Mariner added most to NVIDIA in Q3 2025, an estimated $373M increase.
- Mariner's biggest Q3 2025 reduction was Take-Two Interactive, cutting an estimated $189M.
- Mariner fully exited Hess in Q3 2025, selling an estimated $5.21M.
- Mariner's ten largest holdings make up 28% of its $77.4B portfolio in Q3 2025.
- Mariner opened 339 new positions and closed 264 in Q3 2025.
- Mariner's portfolio value rose 12% quarter-over-quarter to $77.4B.
Based on Mariner's 13F filing for Q3 2025, filed 14 Nov 2025.