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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 | |
|---|---|---|---|---|---|---|
1701
State Street SPDR S&P Regional Banking ETF
KRE
$4.47B
| $1.42M | ﹤0.01% |
21,945
+4,282
| +24% | +$269K |
|
1702
State Street Blackstone Senior Loan ETF
SRLN
$5.3B
| $1.42M | ﹤0.01% |
34,381
+617
| +2% | +$25.5K |
|
|
AMTM
1703
Amentum Holdings
AMTM
$5.59B
| $1.42M | ﹤0.01% |
48,837
+8,195
| +20% | +$209K |
|
|
ALMS
1704
Alumis Inc
ALMS
$3.45B
| $1.42M | ﹤0.01% |
145,045
+60,172
| +71% | +$420K |
|
1705
Lionsgate Studios
LION
$3.86B
| $1.41M | ﹤0.01% |
154,862
+79,639
| +106% | +$567K |
|
1706
Madrigal Pharmaceuticals
MDGL
$12.7B
| $1.41M | ﹤0.01% |
2,426
+605
| +33% | +$309K |
|
1707
Vornado Realty Trust
VNO
$7.43B
| $1.41M | ﹤0.01% |
42,252
+4,604
| +12% | +$168K |
|
1708
monday.com
MNDY
$3.47B
| $1.41M | ﹤0.01% |
9,542
+4,364
| +84% | +$735K |
|
1709
iShares US Insurance ETF
IAK
$514M
| $1.4M | ﹤0.01% |
10,271
+132
| +1% | +$17.5K |
|
1710
Chunghwa Telecom
CHT
$33.4B
| $1.39M | ﹤0.01% |
33,387
+5,302
| +19% | +$224K |
|
1711
VanEck CEF Muni Income ETF
XMPT
$219M
| $1.39M | ﹤0.01% |
63,461
+36,759
| +138% | +$805K |
|
1712
Woodside Energy
WDS
$41.4B
| $1.39M | ﹤0.01% |
89,042
-1,825
| -2% | -$29K |
|
1713
Griffon
GFF
$4.28B
| $1.38M | ﹤0.01% |
18,689
+1,350
| +8% | +$100K |
|
1714
Golub Capital BDC
GBDC
$3.36B
| $1.37M | ﹤0.01% |
101,295
-2,383
| -2% | -$33K |
|
1715
Transocean
RIG
$5.84B
| $1.37M | ﹤0.01% |
332,277
+144,882
| +77% | +$563K |
|
1716
ARK Blockchain & Fintech Innovation ETF
ARKF
$742M
| $1.37M | ﹤0.01% |
28,790
-4,458
| -13% | -$233K |
|
1717
Capital Group International Equity ETF
CGIE
$2.31B
| $1.37M | ﹤0.01% |
39,377
+9,112
| +30% | +$313K |
|
1718
Gold Fields
GFI
$29.4B
| $1.37M | ﹤0.01% |
31,365
+893
| +3% | +$37.3K |
|
1719
Franklin FTSE Japan ETF
FLJP
$3.94B
| $1.37M | ﹤0.01% |
39,745
-3,607
| -8% | -$127K |
|
1720
Eaton Vance Tax-Managed Global Diversified Equity Income Fund
EXG
$2.92B
| $1.37M | ﹤0.01% |
143,663
+890
| +0.6% | +$8.19K |
|
1721
United Microelectronic
UMC
$47.9B
| $1.36M | ﹤0.01% |
173,096
+29,191
| +20% | +$221K |
|
1722
iShares Core 60/40 Balanced Allocation ETF
AOR
$3.64B
| $1.36M | ﹤0.01% |
20,969
+84
| +0.4% | +$5.45K |
|
1723
UiPath
PATH
$6.02B
| $1.36M | ﹤0.01% |
83,071
+10,477
| +14% | +$163K |
|
1724
Marcus & Millichap
MMI
$1.18B
| $1.36M | ﹤0.01% |
+49,923
| New | +$1.44M |
|
1725
Radian Group
RDN
$5.18B
| $1.36M | ﹤0.01% |
37,792
-1,054
| -3% | -$36.8K |
|
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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.