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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 | |
|---|---|---|---|---|---|---|
601
iShares MSCI ACWI ETF
ACWI
$32.6B
| $12.6M | 0.02% |
88,814
+629
| +0.7% | +$88.3K |
|
602
Banco Santander
SAN
$194B
| $12.6M | 0.02% |
1,070,726
+89,700
| +9% | +$952K |
|
603
United Airlines
UAL
$38.4B
| $12.6M | 0.02% |
112,346
+39,940
| +55% | +$4.04M |
|
604
Diamondback Energy
FANG
$57.6B
| $12.5M | 0.01% |
83,446
+59,441
| +248% | +$8.77M |
|
605
Mueller Industries
MLI
$14.1B
| $12.5M | 0.01% |
217,744
+119,760
| +122% | +$6.44M |
|
606
Spotify
SPOT
$99.2B
| $12.5M | 0.01% |
21,534
-2,030
| -9% | -$1.27M |
|
607
Norfolk Southern
NSC
$78.8B
| $12.5M | 0.01% |
43,243
-19,710
| -31% | -$5.7M |
|
608
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.1B
| $12.5M | 0.01% |
252,087
+15,953
| +7% | +$798K |
|
609
MSCI
MSCI
$40B
| $12.5M | 0.01% |
21,677
-2,120
| -9% | -$1.19M |
|
610
Brookfield
BN
$102B
| $12.4M | 0.01% |
270,020
+4,316
| +2% | +$197K |
|
611
Toro Company
TTC
$8.93B
| $12.4M | 0.01% |
157,205
+13,740
| +10% | +$1.02M |
|
612
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.5B
| $12.4M | 0.01% |
159,401
+3,910
| +3% | +$300K |
|
613
Vanguard ESG International Stock ETF
VSGX
$6.43B
| $12.4M | 0.01% |
172,539
+17,978
| +12% | +$1.27M |
|
614
United Therapeutics
UTHR
$26.3B
| $12.3M | 0.01% |
25,183
+18,213
| +261% | +$8.48M |
|
615
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.07B
| $12.3M | 0.01% |
492,819
-16,728
| -3% | -$419K |
|
616
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$3.91B
| $12.3M | 0.01% |
186,293
+1,503
| +0.8% | +$99.3K |
|
617
Dover
DOV
$27.2B
| $12.3M | 0.01% |
62,842
+20,307
| +48% | +$3.7M |
|
618
WisdomTree Floating Rate Treasury Fund
USFR
$18.1B
| $12.3M | 0.01% |
243,776
-49,210
| -17% | -$2.48M |
|
619
Alibaba
BABA
$269B
| $12.3M | 0.01% |
83,657
+17,871
| +27% | +$2.91M |
|
620
SAP
SAP
$187B
| $12.2M | 0.01% |
50,350
-89,486
| -64% | -$22.8M |
|
621
WisdomTree US Value Fund
WTV
$3.11B
| $12.2M | 0.01% |
131,116
-2,459
| -2% | -$226K |
|
|
SNDK
622
Sandisk
SNDK
$213B
| $12.2M | 0.01% |
51,203
+11,168
| +28% | +$2.24M |
|
623
Cboe Global Markets
CBOE
$29.8B
| $12.2M | 0.01% |
48,486
-15,473
| -24% | -$3.85M |
|
624
FT Vest Fund of Deep Buffer ETFs
BUFD
$1.93B
| $12.2M | 0.01% |
430,882
+64,490
| +18% | +$1.8M |
|
625
Incyte
INCY
$23.5B
| $12.1M | 0.01% |
122,684
+25,740
| +27% | +$2.49M |
|
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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.