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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
+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 | |
|---|---|---|---|---|---|---|
1676
iShares US Insurance ETF
IAK
$514M
| $1.36M | ﹤0.01% |
10,139
-12,223
| -55% | -$1.6M |
|
|
SW
1677
Smurfit Westrock
SW
$26.3B
| $1.36M | ﹤0.01% |
31,906
+294
| +0.9% | +$13.3K |
|
1678
Matador Resources
MTDR
$5.86B
| $1.35M | ﹤0.01% |
30,149
+2,934
| +11% | +$143K |
|
1679
Global X Silver Miners ETF NEW
SIL
$4.09B
| $1.35M | ﹤0.01% |
18,907
+4,924
| +35% | +$276K |
|
1680
Fidelity MSCI Industrials Index ETF
FIDU
$2.35B
| $1.35M | ﹤0.01% |
16,517
+1,044
| +7% | +$83.7K |
|
1681
Invesco Preferred ETF
PGX
$3.81B
| $1.35M | ﹤0.01% |
116,658
-5,491
| -4% | -$62.9K |
|
1682
American Financial Group
AFG
$12B
| $1.35M | ﹤0.01% |
9,283
-1,361
| -13% | -$181K |
|
1683
Broadstone Net Lease
BNL
$4.29B
| $1.35M | ﹤0.01% |
75,549
+3,415
| +5% | +$58.7K |
|
1684
iShare MSCI Eurozone ETF
EZU
$9.45B
| $1.35M | ﹤0.01% |
21,755
-14,513
| -40% | -$871K |
|
1685
Reynolds Consumer Products
REYN
$5.37B
| $1.34M | ﹤0.01% |
54,960
+44,226
| +412% | +$1M |
|
1686
iShares Core 60/40 Balanced Allocation ETF
AOR
$3.64B
| $1.34M | ﹤0.01% |
20,885
+9,030
| +76% | +$565K |
|
1687
Telus
TU
$16.2B
| $1.34M | ﹤0.01% |
84,938
+5,999
| +8% | +$97.3K |
|
1688
AeroVironment
AVAV
$7.81B
| $1.34M | ﹤0.01% |
4,250
-961
| -18% | -$249K |
|
1689
Oaktree Specialty Lending
OCSL
$1.04B
| $1.34M | ﹤0.01% |
102,494
-8,352
| -8% | -$115K |
|
1690
State Street SPDR Bloomberg 3-12 Month T-Bill ETF
BILS
$3.88B
| $1.34M | ﹤0.01% |
13,429
-9,551
| -42% | -$949K |
|
1691
Kratos Defense & Security Solutions
KTOS
$9.27B
| $1.33M | ﹤0.01% |
14,572
-3,804
| -21% | -$244K |
|
1692
SK Telecom
SKM
$13.5B
| $1.33M | ﹤0.01% |
61,578
+4,682
| +8% | +$104K |
|
1693
KT
KT
$8.92B
| $1.33M | ﹤0.01% |
68,043
+197
| +0.3% | +$4.01K |
|
|
GRID
1694
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$11.3B
| $1.33M | ﹤0.01% |
8,781
-411
| -4% | -$59.1K |
|
1695
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.39B
| $1.33M | ﹤0.01% |
61,485
-2,586
| -4% | -$54K |
|
1696
InterContinental Hotels
IHG
$23.5B
| $1.32M | ﹤0.01% |
10,916
+1,117
| +11% | +$134K |
|
1697
Dorman Products
DORM
$4.08B
| $1.32M | ﹤0.01% |
8,490
-2,400
| -22% | -$344K |
|
1698
Invesco NASDAQ Internet ETF
PNQI
$514M
| $1.32M | ﹤0.01% |
23,676
+2,857
| +14% | +$154K |
|
1699
BlackRock Multi-Sector Income Trust
BIT
$694M
| $1.32M | ﹤0.01% |
98,716
-4,981
| -5% | -$70.6K |
|
1700
Griffon
GFF
$4.28B
| $1.32M | ﹤0.01% |
17,339
+11,109
| +178% | +$857K |
|
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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.