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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
+2.85%
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
$84B
AUM Growth
+$6.6B
(+8.5%)
Cap. Flow
+$5.06B
Cap. Flow
% of AUM
6.03%
Top 10 Holdings %
Top 10 Hldgs %
28.85%
Holding
3,865
New
323
Increased
1,970
Reduced
1,148
Closed
341
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$808M |
| 2 |
Microsoft
MSFT
|
+$249M |
| 3 |
Apple
AAPL
|
+$229M |
| 4 |
iShares Core S&P 500 ETF
IVV
|
+$196M |
| 5 |
iShares Core US Aggregate Bond ETF
AGG
|
+$125M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
ProShares Ultra Semiconductors
USD
|
+$158M |
| 2 |
Williams Companies
WMB
|
+$138M |
| 3 |
JPMorgan Chase
JPM
|
+$85.4M |
| 4 |
iShares MSCI Emerging Markets ETF
EEM
|
+$45.7M |
| 5 |
Synopsys
SNPS
|
+$42.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.87% |
| 2 | Financials | 8% |
| 3 | Consumer Discretionary | 5.52% |
| 4 | Healthcare | 5.25% |
| 5 | Communication Services | 4.86% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2401
James Hardie Industries
JHX
$15.5B
| $533K | ﹤0.01% |
25,705
+5,040
| +24% | +$101K |
|
2402
FT Vest US Equity Enhance & Moderate Buffer ETF March
XMAR
$156M
| $532K | ﹤0.01% |
13,317
-1,657
| -11% | -$65.5K |
|
2403
VanEck Morningstar SMID Moat ETF
SMOT
$333M
| $532K | ﹤0.01% |
14,687
+1,305
| +10% | +$47.1K |
|
2404
Nurix Therapeutics
NRIX
$2.43B
| $531K | ﹤0.01% |
+28,004
| New | +$402K |
|
2405
Ardagh Metal Packaging
AMBP
$2.89B
| $531K | ﹤0.01% |
129,512
-47,276
| -27% | -$179K |
|
2406
Apple Hospitality REIT
APLE
$3.98B
| $528K | ﹤0.01% |
44,502
+13,859
| +45% | +$163K |
|
2407
iRhythm Holdings
IRTC
$3.69B
| $528K | ﹤0.01% |
2,975
-666
| -18% | -$118K |
|
2408
Dutch Bros
BROS
$9.01B
| $527K | ﹤0.01% |
8,610
-29,108
| -77% | -$1.65M |
|
2409
First Trust Mid Cap Growth AlphaDEX Fund
FNY
$585M
| $527K | ﹤0.01% |
5,774
-141
| -2% | -$13K |
|
2410
Koppers
KOP
$954M
| $527K | ﹤0.01% |
24,016
+2,830
| +13% | +$79.1K |
|
2411
HCM Defender 100 Index ETF
QQH
$706M
| $526K | ﹤0.01% |
6,805
+532
| +8% | +$41.4K |
|
2412
Rogers Corp
ROG
$2.31B
| $526K | ﹤0.01% |
5,747
-3,645
| -39% | -$313K |
|
2413
Fidelity Low Volatility Factor ETF
FDLO
$1.41B
| $525K | ﹤0.01% |
7,873
+348
| +5% | +$23.1K |
|
2414
Invesco S&P MidCap 400 GARP ETF
GRPM
$484M
| $525K | ﹤0.01% |
4,376
| – | – |
|
2415
Nuveen Real Asset Income & Growth Fund
JRI
$354M
| $524K | ﹤0.01% |
38,466
-1,460
| -4% | -$20.1K |
|
|
ARI
2416
Apollo Commercial Real Estate
ARI
$876M
| $524K | ﹤0.01% |
53,970
+9,785
| +22% | +$97.9K |
|
|
FOLD
2417
DELISTED
Amicus Therapeutics
FOLD
| $522K | ﹤0.01% |
36,677
+25,136
| +218% | +$247K |
|
2418
Ambarella
AMBA
$2.99B
| $522K | ﹤0.01% |
7,377
-1,197
| -14% | -$96.7K |
|
2419
XP
XP
$8.65B
| $522K | ﹤0.01% |
31,843
-1,395
| -4% | -$24.6K |
|
2420
American Century Diversified Corporate Bond ETF
KORP
$871M
| $521K | ﹤0.01% |
11,019
+1,128
| +11% | +$53.6K |
|
2421
Prestige Consumer Healthcare
PBH
$2.39B
| $520K | ﹤0.01% |
8,433
+3,107
| +58% | +$190K |
|
|
DMC
2422
Del Monte Corp
DMC
$1.36B
| $520K | ﹤0.01% |
14,604
+2,408
| +20% | +$85.9K |
|
2423
MaxLinear
MXL
$5.88B
| $520K | ﹤0.01% |
29,825
-10,192
| -25% | -$166K |
|
2424
ACV Auctions
ACVA
$1.4B
| $519K | ﹤0.01% |
+64,631
| New | +$523K |
|
2425
Group 1 Automotive
GPI
$4.01B
| $516K | ﹤0.01% |
1,313
-746
| -36% | -$306K |
|
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Mariner's Q4 2025 Portfolio in Review
As of Q4 2025, Mariner held 3,865 positions worth $84B, up 8.5% from $77.4B the previous quarter. Its ten largest holdings account for 29% of the portfolio.
Mariner deployed $5.06B of net new capital in Q4 2025, opening 323 new positions and adding to 1,970 existing holdings. Its largest new stake was Flexsteel Industries: 1,167,357 shares worth $46.1M.
By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 23% a quarter earlier, followed by Financials and Consumer Discretionary.
On the sell side, the largest reduction was ProShares Ultra Semiconductors, an estimated $158M trimmed.
- Mariner's largest Q4 2025 buy was Flexsteel Industries: 1,167,357 shares worth $46.1M.
- Mariner added most to NVIDIA in Q4 2025, an estimated $808M increase.
- Mariner's biggest Q4 2025 reduction was ProShares Ultra Semiconductors, cutting an estimated $158M.
- Mariner fully exited iShares iBonds Dec 2025 Term Corporate ETF in Q4 2025, selling an estimated $22.7M.
- Mariner's ten largest holdings make up 29% of its $84B portfolio in Q4 2025.
- Mariner opened 323 new positions and closed 341 in Q4 2025.
- Mariner's portfolio value rose 8.5% quarter-over-quarter to $84B.
Based on Mariner's 13F filing for Q4 2025, filed 13 Feb 2026.