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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 | |
|---|---|---|---|---|---|---|
3376
BlackRock TCP Capital
TCPC
$265M
| $71.8K | ﹤0.01% |
13,119
-15,900
| -55% | -$91.6K |
|
3377
Compass Diversified
CODI
$755M
| $71.3K | ﹤0.01% |
14,864
-9,833
| -40% | -$62.1K |
|
3378
SIGA Technologies
SIGA
$223M
| $70.7K | ﹤0.01% |
+11,560
| New | +$82.2K |
|
|
MMT
3379
Aberdeen Multi-Market Income Fund
MMT
$237M
| $70.2K | ﹤0.01% |
15,087
-86
| -0.6% | -$405 |
|
|
CIO
3380
DELISTED
City Office REIT
CIO
| $70.1K | ﹤0.01% |
10,028
-11,850
| -54% | -$82K |
|
|
RPT
3381
Rithm Property Trust
RPT
$90.5M
| $69.8K | ﹤0.01% |
+19,970
| New | +$307K |
|
3382
Sidus Space
SIDU
$180M
| $69.2K | ﹤0.01% |
+22,044
| New | +$25.4K |
|
|
GUT
3383
Gabelli Utility Trust
GUT
$576M
| $69.1K | ﹤0.01% |
11,455
+1,281
| +13% | +$7.71K |
|
|
DHY
3384
Credit Suisse High Yield Credit Fund
DHY
$238M
| $68.1K | ﹤0.01% |
34,054
-1,256
| -4% | -$2.57K |
|
|
NOTV
3385
DELISTED
Inotiv
NOTV
| $67.6K | ﹤0.01% |
120,216
| – | – |
|
3386
Talphera
TLPH
$70.1M
| $66.1K | ﹤0.01% |
58,000
+33,000
| +132% | +$39.8K |
|
|
MFM
3387
Aberdeen Municipal Income Fund
MFM
$222M
| $65.8K | ﹤0.01% |
12,126
-268
| -2% | -$1.44K |
|
3388
Aurora
AUR
$11.7B
| $65.7K | ﹤0.01% |
17,232
-134,072
| -89% | -$614K |
|
3389
Geron
GERN
$911M
| $65.7K | ﹤0.01% |
49,804
-27,838
| -36% | -$34.9K |
|
|
NXDR
3390
Nextdoor Holdings
NXDR
$835M
| $65.6K | ﹤0.01% |
30,905
+1,550
| +5% | +$3.04K |
|
|
TEI
3391
Templeton Emerging Markets Income Fund
TEI
$310M
| $65.5K | ﹤0.01% |
+10,155
| New | +$64.7K |
|
|
LAR
3392
Lithium Argentina AG
LAR
$958M
| $63.5K | ﹤0.01% |
11,388
+885
| +8% | +$4.2K |
|
|
PPT
3393
Franklin Premier Income Trust
PPT
$323M
| $63.1K | ﹤0.01% |
17,817
-625
| -3% | -$2.25K |
|
3394
Quantum-Si Incorporated
QSI
$168M
| $62.6K | ﹤0.01% |
56,880
+6,351
| +13% | +$10.3K |
|
3395
Westrock Coffee
WEST
$741M
| $61.3K | ﹤0.01% |
15,064
-17,966
| -54% | -$78.7K |
|
|
LAC
3396
Lithium Americas
LAC
$986M
| $60.8K | ﹤0.01% |
13,934
-1,020
| -7% | -$5.89K |
|
3397
Savara
SVRA
$1.13B
| $60.3K | ﹤0.01% |
10,000
| – | – |
|
3398
ARKO Corp
ARKO
$890M
| $60.3K | ﹤0.01% |
+13,268
| New | +$59.5K |
|
3399
W&T Offshore
WTI
$545M
| $59.9K | ﹤0.01% |
36,677
-26,574
| -42% | -$51K |
|
|
ORIO
3400
Orion Digital Corp
ORIO
$15.4M
| $59.2K | ﹤0.01% |
55,305
| – | – |
|
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.