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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 | |
|---|---|---|---|---|---|---|
2301
Alpha Tau Medical
DRTS
$1.1B
| $620K | ﹤0.01% |
125,165
+1,915
| +2% | +$8.07K |
|
|
QXO
2302
QXO Inc
QXO
$14.7B
| $619K | ﹤0.01% |
32,085
+15,971
| +99% | +$306K |
|
2303
Capricor Therapeutics
CAPR
$405M
| $619K | ﹤0.01% |
21,450
+7,841
| +58% | +$102K |
|
2304
Trump Media & Technology Group
DJT
$2.65B
| $619K | ﹤0.01% |
46,818
+4,902
| +12% | +$66.9K |
|
2305
Mueller Water Products
MWA
$3.94B
| $618K | ﹤0.01% |
25,977
+17,318
| +200% | +$429K |
|
2306
TIM SA
TIMB
$9.98B
| $617K | ﹤0.01% |
31,725
+1,372
| +5% | +$30.1K |
|
2307
Plexus
PLXS
$6.78B
| $617K | ﹤0.01% |
4,199
+584
| +16% | +$85.6K |
|
2308
Enterprise Financial Services Corp
EFSC
$2.4B
| $616K | ﹤0.01% |
11,413
-2,231
| -16% | -$123K |
|
2309
Western Alliance Bancorporation
WAL
$9.04B
| $616K | ﹤0.01% |
+7,312
| New | +$594K |
|
2310
SiTime
SITM
$15.7B
| $613K | ﹤0.01% |
1,733
+250
| +17% | +$78.2K |
|
2311
Starwood Property Trust
STWD
$6.15B
| $612K | ﹤0.01% |
34,118
-16,348
| -32% | -$301K |
|
2312
Amcor
AMCR
$20.9B
| $612K | ﹤0.01% |
14,615
-142,536
| -91% | -$5.88M |
|
|
CMBT
2313
CMB.TECH NV
CMBT
$4.46B
| $612K | ﹤0.01% |
63,372
+2,439
| +4% | +$23.7K |
|
2314
iShares MSCI Spain ETF
EWP
$2.08B
| $610K | ﹤0.01% |
11,311
-14,529
| -56% | -$743K |
|
2315
Enova International
ENVA
$6.27B
| $610K | ﹤0.01% |
3,877
-411
| -10% | -$53.5K |
|
|
ECHO
2316
EchoStar
ECHO
$25.1B
| $608K | ﹤0.01% |
5,589
-2,392
| -30% | -$195K |
|
2317
Franklin Income Focus ETF
INCM
$1.69B
| $608K | ﹤0.01% |
21,672
+4,554
| +27% | +$127K |
|
|
DX
2318
Dynex Capital
DX
$3B
| $607K | ﹤0.01% |
43,363
-8,749
| -17% | -$118K |
|
2319
iShares International Treasury Bond ETF
IGOV
$1.51B
| $606K | ﹤0.01% |
14,556
-3,122
| -18% | -$132K |
|
2320
iShares Morningstar Mid-Cap ETF
IMCB
$1.66B
| $605K | ﹤0.01% |
7,316
+195
| +3% | +$16.1K |
|
2321
United States Oil Fund
USO
$2.07B
| $605K | ﹤0.01% |
8,748
-96
| -1% | -$6.77K |
|
|
RAL
2322
Ralliant Corp
RAL
$7.82B
| $605K | ﹤0.01% |
11,874
+4,654
| +64% | +$218K |
|
2323
Invesco S&P Emerging Markets Low Volatility ETF
EELV
$430M
| $604K | ﹤0.01% |
22,036
-1,801
| -8% | -$48.6K |
|
2324
ROBO Global Robotics & Automation Index ETF
ROBO
$1.94B
| $604K | ﹤0.01% |
8,708
-667
| -7% | -$45.6K |
|
2325
Grupo Cibest SA
CIB
$20.9B
| $601K | ﹤0.01% |
9,433
+579
| +7% | +$34.7K |
|
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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.