We are live on
!
Find out more
Mariner Portfolio holdings
AUM
$85.7B
1-Year Est. Return
24.21%
This Fund
S&P 500
This Quarter
Est. Return
+2.85%
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
$84B
AUM Growth
+$6.6B
(+8.5%)
Cap. Flow
+$5.06B
Cap. Flow
% of AUM
6.03%
Top 10 Holdings %
Top 10 Hldgs %
28.85%
Holding
3,865
New
323
Increased
1,970
Reduced
1,148
Closed
341
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$808M |
| 2 |
Microsoft
MSFT
|
+$249M |
| 3 |
Apple
AAPL
|
+$229M |
| 4 |
iShares Core S&P 500 ETF
IVV
|
+$196M |
| 5 |
iShares Core US Aggregate Bond ETF
AGG
|
+$125M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
ProShares Ultra Semiconductors
USD
|
+$158M |
| 2 |
Williams Companies
WMB
|
+$138M |
| 3 |
JPMorgan Chase
JPM
|
+$85.4M |
| 4 |
iShares MSCI Emerging Markets ETF
EEM
|
+$45.7M |
| 5 |
Synopsys
SNPS
|
+$42.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.87% |
| 2 | Financials | 8% |
| 3 | Consumer Discretionary | 5.52% |
| 4 | Healthcare | 5.25% |
| 5 | Communication Services | 4.86% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3426
SkinHealth Systems
SKIN
$94.9M
| $43.7K | ﹤0.01% |
31,408
+9,078
| +41% | +$13.1K |
|
3427
Butterfly Network
BFLY
$1.72B
| $43.4K | ﹤0.01% |
11,412
-595
| -5% | -$1.62K |
|
3428
3D Systems Corp
DDD
$420M
| $40.4K | ﹤0.01% |
22,838
-25,012
| -52% | -$60.9K |
|
3429
Erasca
ERAS
$6.63B
| $40.3K | ﹤0.01% |
+10,825
| New | +$30.4K |
|
3430
PSQ Holdings
PSQH
$11.2M
| $39.7K | ﹤0.01% |
2,571
-182
| -7% | -$4.51K |
|
|
OPTU
3431
Optimum Communications Inc
OPTU
$316M
| $39.1K | ﹤0.01% |
+23,775
| New | +$48.4K |
|
3432
ProQR Therapeutics
PRQR
$243M
| $38.8K | ﹤0.01% |
19,219
| – | – |
|
3433
SES AI
SES
$186M
| $38.3K | ﹤0.01% |
21,253
+10,031
| +89% | +$22.5K |
|
|
GAU
3434
Galiano Gold
GAU
$486M
| $38K | ﹤0.01% |
+15,000
| New | +$37.1K |
|
3435
Claros Mortgage Trust
CMTG
$306M
| $37.7K | ﹤0.01% |
+12,302
| New | +$40.1K |
|
3436
Ainos
AIMD
$10.3M
| $37.4K | ﹤0.01% |
+22,800
| New | +$64.1K |
|
3437
374Water
SCWO
$37.8M
| $36.9K | ﹤0.01% |
18,075
-2,000
| -10% | -$6.77K |
|
3438
Mobix Labs
MOBX
$27.5M
| $36.2K | ﹤0.01% |
13,545
+6,888
| +103% | +$43.1K |
|
|
IAUX
3439
i-80 Gold Corp
IAUX
$1.17B
| $35.9K | ﹤0.01% |
24,584
-2,500
| -9% | -$2.84K |
|
3440
ImmunityBio
IBRX
$7.44B
| $35.3K | ﹤0.01% |
17,814
+1,689
| +10% | +$3.83K |
|
3441
Clean Energy Fuels
CLNE
$447M
| $34.9K | ﹤0.01% |
16,641
+5,075
| +44% | +$12.4K |
|
|
HUYA
3442
Huya Inc
HUYA
$542M
| $34.8K | ﹤0.01% |
12,088
-459
| -4% | -$1.34K |
|
3443
Microvision
MVIS
$88.2M
| $34.4K | ﹤0.01% |
41,597
-1,157
| -3% | -$1.23K |
|
3444
Milestone Scientific
MLSS
$34.5M
| $33.3K | ﹤0.01% |
121,750
| – | – |
|
|
LPRO
3445
Open Lending Corp
LPRO
$373M
| $33.1K | ﹤0.01% |
21,374
-6,246
| -23% | -$11.1K |
|
3446
Prospect Capital
PSEC
$1.06B
| $32.4K | ﹤0.01% |
12,520
-23,466
| -65% | -$62.7K |
|
3447
Hain Celestial
HAIN
$47.8M
| $32.2K | ﹤0.01% |
30,098
+14,895
| +98% | +$18.4K |
|
3448
Alpha Tau Medical Warrant
DRTSW
$74.4M
| $32K | ﹤0.01% |
93,988
+100
| +0.1% | +$34 |
|
|
TRUE
3449
DELISTED
TrueCar
TRUE
| $31.5K | ﹤0.01% |
+13,917
| New | +$29.8K |
|
3450
Oramed Pharmaceuticals
ORMP
$165M
| $31.4K | ﹤0.01% |
11,021
| – | – |
|
Similar funds
Mariner's Q4 2025 Portfolio in Review
As of Q4 2025, Mariner held 3,865 positions worth $84B, up 8.5% from $77.4B the previous quarter. Its ten largest holdings account for 29% of the portfolio.
Mariner deployed $5.06B of net new capital in Q4 2025, opening 323 new positions and adding to 1,970 existing holdings. Its largest new stake was Flexsteel Industries: 1,167,357 shares worth $46.1M.
By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 23% a quarter earlier, followed by Financials and Consumer Discretionary.
On the sell side, the largest reduction was ProShares Ultra Semiconductors, an estimated $158M trimmed.
- Mariner's largest Q4 2025 buy was Flexsteel Industries: 1,167,357 shares worth $46.1M.
- Mariner added most to NVIDIA in Q4 2025, an estimated $808M increase.
- Mariner's biggest Q4 2025 reduction was ProShares Ultra Semiconductors, cutting an estimated $158M.
- Mariner fully exited iShares iBonds Dec 2025 Term Corporate ETF in Q4 2025, selling an estimated $22.7M.
- Mariner's ten largest holdings make up 29% of its $84B portfolio in Q4 2025.
- Mariner opened 323 new positions and closed 341 in Q4 2025.
- Mariner's portfolio value rose 8.5% quarter-over-quarter to $84B.
Based on Mariner's 13F filing for Q4 2025, filed 13 Feb 2026.