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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
+11.61%
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
$69.3B
AUM Growth
+$9.18B
(+15%)
Cap. Flow
+$3.47B
Cap. Flow
% of AUM
5.01%
Top 10 Holdings %
Top 10 Hldgs %
26.5%
Holding
3,740
New
311
Increased
1,893
Reduced
1,169
Closed
273
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$261M |
| 2 |
Microsoft
MSFT
|
+$169M |
| 3 |
GE Vernova
GEV
|
+$143M |
| 4 |
iShares Core S&P 500 ETF
IVV
|
+$107M |
| 5 |
JPMorgan Chase
JPM
|
+$90.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Union Pacific
UNP
|
+$83.9M |
| 2 |
Thermo Fisher Scientific
TMO
|
+$78.6M |
| 3 |
General Mills
GIS
|
+$42.3M |
| 4 |
Target
TGT
|
+$27.6M |
| 5 |
iShares 7-10 Year Treasury Bond ETF
IEF
|
+$23.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.78% |
| 2 | Financials | 8.14% |
| 3 | Consumer Discretionary | 5.23% |
| 4 | Healthcare | 4.75% |
| 5 | Communication Services | 4.62% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3426
BARK
BARK
$74.8M
| $16.2K | ﹤0.01% |
+918
| New | +$21.1K |
|
3427
Tiziana Life Sciences
TLSA
$114M
| $15.8K | ﹤0.01% |
10,000
| – | – |
|
3428
Tilray
TLRY
$479M
| $15.7K | ﹤0.01% |
3,786
-121
| -3% | -$549 |
|
3429
Kopin
KOPN
$663M
| $15.3K | ﹤0.01% |
10,000
| – | – |
|
|
CLSD
3430
DELISTED
Clearside Biomedical
CLSD
| $15.2K | ﹤0.01% |
1,263
| – | – |
|
3431
Outdoor Holding Co
POWW
$239M
| $14.9K | ﹤0.01% |
11,616
+1,317
| +13% | +$2.09K |
|
|
IAUX
3432
i-80 Gold Corp
IAUX
$1.17B
| $14.6K | ﹤0.01% |
+24,449
| New | +$14.4K |
|
|
BNKK
3433
Bonk Inc
BNKK
$8.96M
| $14.3K | ﹤0.01% |
1,240
| – | – |
|
3434
Advantage Solutions
ADV
$484M
| $13.5K | ﹤0.01% |
+408
| New | +$13.4K |
|
|
CAN
3435
Canaan Creative
CAN
$176M
| $13.4K | ﹤0.01% |
21,685
+3,087
| +17% | +$2.17K |
|
3436
Fate Therapeutics
FATE
$281M
| $12.9K | ﹤0.01% |
+11,537
| New | +$13.4K |
|
3437
Erasca
ERAS
$6.63B
| $12.8K | ﹤0.01% |
+10,092
| New | +$13.5K |
|
3438
Village Farms International
VFF
$235M
| $12.3K | ﹤0.01% |
11,200
| – | – |
|
3439
Lineage Cell Therapeutics
LCTX
$257M
| $11.8K | ﹤0.01% |
12,973
-1,263
| -9% | -$749 |
|
|
HYFT
3440
MindWalk Holdings
HYFT
$63.5M
| $10.6K | ﹤0.01% |
10,000
| – | – |
|
3441
Sutro Biopharma
STRO
$379M
| $9.73K | ﹤0.01% |
+1,363
| New | +$11.1K |
|
|
MRSN
3442
DELISTED
Mersana Therapeutics
MRSN
| $9.24K | ﹤0.01% |
1,249
+419
| +50% | +$3.68K |
|
3443
Nauticus Robotics
KITT
$5.27M
| $9.05K | ﹤0.01% |
139
| – | – |
|
3444
GoPro
GPRO
$116M
| $8.46K | ﹤0.01% |
11,165
-2,704
| -19% | -$1.76K |
|
3445
Leslie's
LESL
$11.6M
| $7.17K | ﹤0.01% |
853
-866
| -50% | -$11.4K |
|
3446
NeuroOne Medical Technologies
NMTC
$16.5M
| $7.1K | ﹤0.01% |
+1,745
| New | +$6.44K |
|
3447
Senseonics Holdings Inc
SENS
$254M
| $7.09K | ﹤0.01% |
744
-1,988
| -73% | -$23.2K |
|
|
EONR
3448
EON Resources
EONR
$28M
| $6.91K | ﹤0.01% |
+20,000
| New | +$8.75K |
|
3449
Opendoor
OPEN
$3.7B
| $6.51K | ﹤0.01% |
12,619
-4,875
| -28% | -$3.52K |
|
3450
Ocean Power Technologies
OPTT
$38.3M
| $5.72K | ﹤0.01% |
+12,053
| New | +$5.72K |
|
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Mariner's Q2 2025 Portfolio in Review
As of Q2 2025, Mariner held 3,740 positions worth $69.3B, up 15% from $60.1B the previous quarter. Its ten largest holdings account for 26% of the portfolio.
Mariner deployed $3.47B of net new capital in Q2 2025, opening 311 new positions and adding to 1,893 existing holdings. Its largest new stake was iShares MSCI USA Small-Cap Min Vol Factor ETF: 384,640 shares worth $16.2M.
By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 18% a quarter earlier, followed by Financials and Consumer Discretionary.
On the sell side, the largest reduction was Union Pacific, an estimated $83.9M trimmed.
- Mariner's largest Q2 2025 buy was iShares MSCI USA Small-Cap Min Vol Factor ETF: 384,640 shares worth $16.2M.
- Mariner added most to Apple in Q2 2025, an estimated $261M increase.
- Mariner's biggest Q2 2025 reduction was Union Pacific, cutting an estimated $83.9M.
- Mariner fully exited Discover Financial Services in Q2 2025, selling an estimated $7.86M.
- Mariner's ten largest holdings make up 26% of its $69.3B portfolio in Q2 2025.
- Mariner opened 311 new positions and closed 273 in Q2 2025.
- Mariner's portfolio value rose 15% quarter-over-quarter to $69.3B.
Based on Mariner's 13F filing for Q2 2025, filed 14 Aug 2025.