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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
+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 | |
|---|---|---|---|---|---|---|
|
BLDP
3401
Ballard Power Systems
BLDP
$874M
| $58.3K | ﹤0.01% |
22,971
+1,208
| +6% | +$3.75K |
|
3402
Nano X Imaging
NNOX
$62.4M
| $58.3K | ﹤0.01% |
20,825
+8,614
| +71% | +$31K |
|
3403
FerroAtlántica
GSM
$628M
| $57.2K | ﹤0.01% |
12,330
+894
| +8% | +$4.13K |
|
3404
VTEX
VTEX
$665M
| $55.1K | ﹤0.01% |
+14,635
| New | +$60K |
|
|
INN
3405
Summit Hotel Properties
INN
$761M
| $54.1K | ﹤0.01% |
11,116
-4,279
| -28% | -$22.4K |
|
3406
Opko Health
OPK
$921M
| $53.3K | ﹤0.01% |
42,225
-26,781
| -39% | -$37.3K |
|
3407
Milestone Pharmaceuticals
MIST
$144M
| $50.5K | ﹤0.01% |
25,000
| – | – |
|
3408
Portillo's
PTLO
$315M
| $50.3K | ﹤0.01% |
+11,086
| New | +$57.9K |
|
3409
Aclaris Therapeutics
ACRS
$730M
| $50.2K | ﹤0.01% |
16,670
+558
| +3% | +$1.41K |
|
3410
Allogene Therapeutics
ALLO
$601M
| $49.5K | ﹤0.01% |
36,493
-177
| -0.5% | -$233 |
|
3411
loanDepot
LDI
$548M
| $49.3K | ﹤0.01% |
+23,812
| New | +$66.1K |
|
3412
Sabre
SABR
$656M
| $48.9K | ﹤0.01% |
36,008
-38,499
| -52% | -$66.3K |
|
|
MAPS
3413
DELISTED
WM TECHNOLOGY INC A
MAPS
| $48.9K | ﹤0.01% |
59,178
+5,237
| +10% | +$5.15K |
|
|
AISP
3414
Airship AI Holdings
AISP
$69.2M
| $48.8K | ﹤0.01% |
16,854
+4,134
| +33% | +$17K |
|
3415
Eve Holding
EVEX
$798M
| $48.7K | ﹤0.01% |
+12,209
| New | +$53.7K |
|
3416
Sana Biotechnology
SANA
$885M
| $48K | ﹤0.01% |
11,786
-1,046
| -8% | -$4.68K |
|
3417
Commercial Vehicle Group
CVGI
$157M
| $47.8K | ﹤0.01% |
33,225
-33
| -0.1% | -$52 |
|
3418
Zevia
ZVIA
$108M
| $47.6K | ﹤0.01% |
20,530
+3,591
| +21% | +$8.92K |
|
3419
Biote Corp
BTMD
$69.2M
| $46.5K | ﹤0.01% |
17,894
+54
| +0.3% | +$148 |
|
3420
Holley
HLLY
$314M
| $46.5K | ﹤0.01% |
11,248
+281
| +3% | +$1.01K |
|
3421
Community Health Systems
CYH
$385M
| $46.5K | ﹤0.01% |
+14,868
| New | +$50K |
|
3422
GoodRx Holdings
GDRX
$1B
| $45.6K | ﹤0.01% |
+16,852
| New | +$55.3K |
|
3423
Super League Enterprise
SLE
$4.28M
| $45.2K | ﹤0.01% |
+6,172
| New | +$124K |
|
3424
Rocket Pharmaceuticals
RCKT
$348M
| $44.2K | ﹤0.01% |
12,634
-16,832
| -57% | -$57.6K |
|
3425
Village Farms International
VFF
$235M
| $44.2K | ﹤0.01% |
+12,100
| New | +$42.1K |
|
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.