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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 | |
|---|---|---|---|---|---|---|
|
SGI
1001
Somnigroup International
SGI
$15.1B
| $4.35M | 0.01% |
51,586
+12,657
| +33% | +$997K |
|
1002
Humana
HUM
$46.7B
| $4.33M | 0.01% |
16,636
-647
| -4% | -$170K |
|
1003
Texas Roadhouse
TXRH
$12.7B
| $4.32M | 0.01% |
26,001
+1,382
| +6% | +$244K |
|
1004
Ares Capital
ARCC
$13.5B
| $4.32M | 0.01% |
211,507
-8,603
| -4% | -$191K |
|
1005
LKQ Corp
LKQ
$6.58B
| $4.31M | 0.01% |
141,033
+11,740
| +9% | +$386K |
|
1006
Fidelity Low Duration Bond Factor ETF
FLDR
$1.95B
| $4.29M | 0.01% |
+85,509
| New | +$4.29M |
|
1007
Zebra Technologies
ZBRA
$12.4B
| $4.29M | 0.01% |
14,439
+2,388
| +20% | +$763K |
|
1008
IonQ
IONQ
$12.3B
| $4.29M | 0.01% |
69,679
+5,624
| +9% | +$264K |
|
1009
State Street SPDR S&P 1500 Momentum Tilt ETF
MMTM
$181M
| $4.28M | 0.01% |
14,973
+686
| +5% | +$189K |
|
1010
Steel Dynamics
STLD
$35.6B
| $4.27M | 0.01% |
30,613
-7,344
| -19% | -$964K |
|
1011
HealthEquity
HQY
$7.91B
| $4.26M | 0.01% |
44,936
+16,502
| +58% | +$1.55M |
|
1012
Haleon
HLN
$43.1B
| $4.26M | 0.01% |
474,625
-545,857
| -53% | -$5.26M |
|
1013
VanEck High Yield Muni ETF
HYD
$4.44B
| $4.24M | 0.01% |
83,398
-1,234
| -1% | -$61.4K |
|
1014
Conagra Brands
CAG
$7.07B
| $4.24M | 0.01% |
231,814
-42,036
| -15% | -$806K |
|
|
SF
1015
Stifel
SF
$12.3B
| $4.24M | 0.01% |
56,073
+7,629
| +16% | +$571K |
|
1016
Conductor Global Equity Value ETF
CGV
$130M
| $4.24M | 0.01% |
288,918
+6,595
| +2% | +$93.5K |
|
1017
Duolingo
DUOL
$5.7B
| $4.23M | 0.01% |
13,153
+4,739
| +56% | +$1.58M |
|
1018
National Fuel Gas
NFG
$7.84B
| $4.19M | 0.01% |
45,349
+24,808
| +121% | +$2.16M |
|
1019
Prosperity Bancshares
PB
$8.77B
| $4.17M | 0.01% |
62,888
+16,056
| +34% | +$1.1M |
|
1020
Harbor Commodity All-Weather Strategy ETF
HGER
$3.66B
| $4.17M | 0.01% |
+161,578
| New | +$4.02M |
|
1021
Insmed
INSM
$23.2B
| $4.16M | 0.01% |
28,869
-506
| -2% | -$62K |
|
1022
Lincoln Educational Services
LINC
$1.29B
| $4.13M | 0.01% |
175,596
-1,872
| -1% | -$40.1K |
|
1023
iShares 0-5 Year TIPS Bond ETF
STIP
$15.8B
| $4.11M | 0.01% |
39,731
+3,653
| +10% | +$377K |
|
1024
Franco-Nevada
FNV
$41.4B
| $4.1M | 0.01% |
18,400
+3
| +0% | +$541 |
|
1025
Honda
HMC
$36.5B
| $4.09M | 0.01% |
132,830
+8,865
| +7% | +$289K |
|
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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.