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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 | |
|---|---|---|---|---|---|---|
3451
Agilon Health
AGL
$1.64B
| $45.9K | ﹤0.01% |
1,781
-6,349
| -78% | -$240K |
|
3452
Sana Biotechnology
SANA
$885M
| $45.6K | ﹤0.01% |
12,832
+1,787
| +16% | +$6.46K |
|
3453
Allogene Therapeutics
ALLO
$601M
| $45.5K | ﹤0.01% |
+36,670
| New | +$43.7K |
|
3454
Unisys
UIS
$227M
| $45.3K | ﹤0.01% |
11,624
-3,734
| -24% | -$15.1K |
|
3455
Heron Therapeutics
HRTX
$86.3M
| $45.2K | ﹤0.01% |
+35,899
| New | +$56.9K |
|
3456
Nano X Imaging
NNOX
$62.4M
| $45.2K | ﹤0.01% |
12,211
-16,766
| -58% | -$74.6K |
|
|
IONR
3457
Ioneer
IONR
$247M
| $44.7K | ﹤0.01% |
+10,000
| New | +$33.5K |
|
3458
SkinHealth Systems
SKIN
$94.9M
| $44.4K | ﹤0.01% |
22,330
-4,736
| -17% | -$9.61K |
|
3459
Babcock & Wilcox
BW
$1.43B
| $43.5K | ﹤0.01% |
+14,988
| New | +$26.5K |
|
3460
Arcadia Biosciences
RKDA
$1.4M
| $42.6K | ﹤0.01% |
12,264
-2,236
| -15% | -$9.14K |
|
|
HUYA
3461
Huya Inc
HUYA
$542M
| $41.8K | ﹤0.01% |
12,547
-596
| -5% | -$1.96K |
|
3462
Getty Images
GETY
$184M
| $41.4K | ﹤0.01% |
20,913
+4,375
| +26% | +$8.11K |
|
3463
ProQR Therapeutics
PRQR
$243M
| $40.9K | ﹤0.01% |
19,219
| – | – |
|
|
SGMO
3464
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $40.9K | ﹤0.01% |
60,782
| – | – |
|
|
EB
3465
DELISTED
Eventbrite
EB
| $40K | ﹤0.01% |
15,875
+600
| +4% | +$1.57K |
|
3466
ImmunityBio
IBRX
$7.44B
| $39.7K | ﹤0.01% |
16,125
-15,184
| -48% | -$39.1K |
|
3467
Ocugen
OCGN
$410M
| $36.4K | ﹤0.01% |
22,312
+46
| +0.2% | +$51 |
|
3468
Ring Energy
REI
$322M
| $35.9K | ﹤0.01% |
32,932
-8,936
| -21% | -$8.09K |
|
3469
Sundial Growers
SNDL
$325M
| $35.7K | ﹤0.01% |
+13,323
| New | +$26.7K |
|
3470
Savara
SVRA
$1.13B
| $35.7K | ﹤0.01% |
+10,000
| New | +$29.6K |
|
|
LAR
3471
Lithium Argentina AG
LAR
$958M
| $35.1K | ﹤0.01% |
10,503
-1,271
| -11% | -$3.84K |
|
3472
Holley
HLLY
$314M
| $34.4K | ﹤0.01% |
+10,967
| New | +$32.7K |
|
3473
Tenaya Therapeutics
TNYA
$168M
| $33K | ﹤0.01% |
20,393
-21,025
| -51% | -$21.2K |
|
3474
CytomX Therapeutics
CTMX
$705M
| $32.7K | ﹤0.01% |
+10,250
| New | +$23.1K |
|
|
DHF
3475
BNY Mellon High Yield Strategies Fund
DHF
$171M
| $32.6K | ﹤0.01% |
12,603
-506
| -4% | -$1.31K |
|
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.