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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 | |
|---|---|---|---|---|---|---|
3201
NeoGenomics
NEO
$1.81B
| $184K | ﹤0.01% |
23,877
-12,866
| -35% | -$90.1K |
|
|
CMDB
3202
Costamare Bulkers Holdings
CMDB
$457M
| $184K | ﹤0.01% |
+12,820
| New | +$132K |
|
3203
WisdomTree
WT
$2.97B
| $184K | ﹤0.01% |
13,227
-3,312
| -20% | -$44.3K |
|
|
CEV
3204
Eaton Vance California Municipal Income Trust
CEV
$71.7M
| $184K | ﹤0.01% |
18,212
| – | – |
|
3205
Hyliion Holdings
HYLN
$663M
| $183K | ﹤0.01% |
92,821
+11,080
| +14% | +$18.4K |
|
3206
Conduent
CNDT
$230M
| $181K | ﹤0.01% |
64,519
+17,950
| +39% | +$48.6K |
|
|
XFLT
3207
XAI Floating Rate & Alternative Income Trust
XFLT
$268M
| $180K | ﹤0.01% |
6,801
-15,295
| -69% | -$423K |
|
3208
BlackRock MuniYield Quality Fund III
MYI
$709M
| $180K | ﹤0.01% |
16,259
+2,001
| +14% | +$21.2K |
|
3209
BlackRock Corporate High Yield Fund
HYT
$1.36B
| $180K | ﹤0.01% |
+18,954
| New | +$183K |
|
3210
BlackRock TCP Capital
TCPC
$265M
| $180K | ﹤0.01% |
29,019
-573
| -2% | -$4.11K |
|
|
NAGE
3211
Niagen Bioscience
NAGE
$256M
| $180K | ﹤0.01% |
19,250
+250
| +1% | +$2.52K |
|
|
PDT
3212
John Hancock Premium Dividend Fund
PDT
$634M
| $179K | ﹤0.01% |
13,445
+2,107
| +19% | +$28.1K |
|
3213
Leggett & Platt
LEG
$1.52B
| $179K | ﹤0.01% |
20,147
+3,950
| +24% | +$37.6K |
|
3214
Ardmore Shipping
ASC
$678M
| $179K | ﹤0.01% |
15,065
+2,326
| +18% | +$26.1K |
|
|
BXMX
3215
DELISTED
Nuveen S&P 500 Buy-Write Income Fund
BXMX
| $178K | ﹤0.01% |
12,359
-4,022
| -25% | -$56.8K |
|
|
BRSP
3216
BrightSpire Capital
BRSP
$681M
| $178K | ﹤0.01% |
32,865
+15,847
| +93% | +$86.2K |
|
3217
Empire State Realty Trust
ESRT
$976M
| $178K | ﹤0.01% |
23,211
-2,921
| -11% | -$22.3K |
|
|
ARR
3218
Armour Residential REIT
ARR
$2.02B
| $176K | ﹤0.01% |
11,801
-2,866
| -20% | -$45K |
|
3219
Biohaven
BHVN
$2.16B
| $176K | ﹤0.01% |
11,726
+927
| +9% | +$13.5K |
|
3220
SELLAS Life Sciences
SLS
$2.23B
| $175K | ﹤0.01% |
108,806
+57,697
| +113% | +$103K |
|
|
VG
3221
Venture Global Inc
VG
$35.6B
| $175K | ﹤0.01% |
12,313
-3,759
| -23% | -$53.6K |
|
|
NOTV
3222
DELISTED
Inotiv
NOTV
| $174K | ﹤0.01% |
120,216
-600
| -0.5% | -$1.07K |
|
3223
Ambev
ABEV
$47.3B
| $174K | ﹤0.01% |
78,163
-43,750
| -36% | -$100K |
|
|
BZAI
3224
Blaize Holdings
BZAI
$129M
| $174K | ﹤0.01% |
50,500
| – | – |
|
3225
SFL Corp
SFL
$1.59B
| $173K | ﹤0.01% |
22,931
-8,901
| -28% | -$76.6K |
|
Similar funds
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.