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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 | |
|---|---|---|---|---|---|---|
3176
Tompkins Financial
TMP
$1.45B
| $201K | ﹤0.01% |
+3,029
| New | +$203K |
|
3177
PC Connection
CNXN
$2.05B
| $200K | ﹤0.01% |
+3,231
| New | +$206K |
|
3178
State Street SPDR S&P Emerging Asia Pacific ETF
GMF
$419M
| $200K | ﹤0.01% |
+1,441
| New | +$190K |
|
|
LTM
3179
LATAM Airlines Group S.A.
LTM
$14.4B
| $200K | ﹤0.01% |
+4,425
| New | +$199K |
|
3180
Quince Therapeutics
QNCX
$17.5M
| $200K | ﹤0.01% |
612
| – | – |
|
3181
Granite Ridge Resources
GRNT
$640M
| $199K | ﹤0.01% |
36,797
+14,627
| +66% | +$79.8K |
|
|
HPS
3182
John Hancock Preferred Income Fund III
HPS
$458M
| $198K | ﹤0.01% |
12,844
+19
| +0.1% | +$279 |
|
|
BDN
3183
Brandywine Realty Trust
BDN
$551M
| $198K | ﹤0.01% |
47,452
+794
| +2% | +$3.34K |
|
3184
ECB Bancorp
ECBK
$174M
| $197K | ﹤0.01% |
12,438
+2,173
| +21% | +$35.3K |
|
|
UDMY
3185
DELISTED
Udemy
UDMY
| $197K | ﹤0.01% |
28,057
+11,527
| +70% | +$80.9K |
|
|
GRF
3186
Eagle Capital Growth Fund
GRF
$41.2M
| $196K | ﹤0.01% |
18,628
| – | – |
|
3187
Genius Sports
GENI
$1.73B
| $196K | ﹤0.01% |
15,809
+4,114
| +35% | +$49.2K |
|
3188
Arhaus
ARHS
$1.12B
| $195K | ﹤0.01% |
18,328
+3,143
| +21% | +$33.1K |
|
3189
AdvanSix
ASIX
$567M
| $195K | ﹤0.01% |
+10,042
| New | +$211K |
|
3190
BlackRock MuniHoldings Fund
MHD
$597M
| $194K | ﹤0.01% |
16,506
-1,593
| -9% | -$18K |
|
3191
Suzano
SUZ
$10.2B
| $193K | ﹤0.01% |
20,510
-5,707
| -22% | -$54.1K |
|
3192
Petrobras Class A
PBR.A
$107B
| $191K | ﹤0.01% |
+16,152
| New | +$187K |
|
3193
Columbia Financial
CLBK
$1.13B
| $191K | ﹤0.01% |
+12,715
| New | +$189K |
|
3194
Hamilton Beach Brands
HBB
$302M
| $190K | ﹤0.01% |
+13,244
| New | +$207K |
|
3195
Target Hospitality
TH
$1.61B
| $188K | ﹤0.01% |
22,181
-2,178
| -9% | -$18K |
|
3196
Fluence Energy
FLNC
$1.78B
| $187K | ﹤0.01% |
17,350
+1,342
| +8% | +$11.2K |
|
3197
TFS Financial
TFSL
$5.1B
| $186K | ﹤0.01% |
14,137
+1,374
| +11% | +$18.2K |
|
3198
Black Stone Minerals
BSM
$3.11B
| $185K | ﹤0.01% |
14,082
+25
| +0.2% | +$315 |
|
3199
EverCommerce
EVCM
$2.05B
| $184K | ﹤0.01% |
16,574
+2,139
| +15% | +$23.9K |
|
|
DJTWW
3200
Trump Media & Technology Group Warrants
DJTWW
$703M
| $184K | ﹤0.01% |
22,817
-956
| -4% | -$9.45K |
|
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.