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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
-0.96%
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
$85.7B
AUM Growth
+$1.66B
(+2%)
Cap. Flow
+$4.07B
Cap. Flow
% of AUM
4.75%
Top 10 Holdings %
Top 10 Hldgs %
27.24%
Holding
3,909
New
385
Increased
1,802
Reduced
1,276
Closed
364
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apollo Global Management
APO
|
+$274M |
| 2 |
iShares 3-7 Year Treasury Bond ETF
IEI
|
+$184M |
| 3 |
Microsoft
MSFT
|
+$172M |
| 4 |
Vanguard FTSE Developed Markets ETF
VEA
|
+$170M |
| 5 |
iShares Core US Aggregate Bond ETF
AGG
|
+$169M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares 7-10 Year Treasury Bond ETF
IEF
|
+$179M |
| 2 |
T-Mobile US
TMUS
|
+$162M |
| 3 |
ProShares Ultra Semiconductors
USD
|
+$135M |
| 4 |
ServiceNow
NOW
|
+$128M |
| 5 |
Abbott
ABT
|
+$126M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.37% |
| 2 | Financials | 7.66% |
| 3 | Healthcare | 5.22% |
| 4 | Consumer Discretionary | 5.2% |
| 5 | Industrials | 4.64% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3351
Gaia
GAIA
$48.6M
| $87.8K | ﹤0.01% |
31,686
-16,342
| -34% | -$53.8K |
|
3352
Bakkt Inc
BKKT
$356M
| $87.4K | ﹤0.01% |
+11,881
| New | +$141K |
|
3353
ThredUp
TDUP
$779M
| $87K | ﹤0.01% |
+26,532
| New | +$123K |
|
3354
Eve Holding
EVEX
$850M
| $86.9K | ﹤0.01% |
35,056
+22,847
| +187% | +$78K |
|
|
PMM
3355
Franklin Managed Municipal Income Trust
PMM
$277M
| $86.6K | ﹤0.01% |
14,080
+46
| +0.3% | +$288 |
|
3356
American Battery Technology Co
ABAT
$333M
| $85.7K | ﹤0.01% |
30,713
+231
| +0.8% | +$891 |
|
3357
Conduent
CNDT
$234M
| $82.3K | ﹤0.01% |
64,297
+49,995
| +350% | +$76.2K |
|
3358
Cingulate
CING
$65.2M
| $80.3K | ﹤0.01% |
+12,930
| New | +$82.6K |
|
3359
POET Technologies
POET
$1.32B
| $79.5K | ﹤0.01% |
13,417
-27,667
| -67% | -$179K |
|
|
KEEL
3360
Keel Infrastructure Corp
KEEL
$2.83B
| $79.3K | ﹤0.01% |
40,738
-14,642
| -26% | -$34.4K |
|
3361
Quad
QUAD
$441M
| $78.4K | ﹤0.01% |
11,860
-124
| -1% | -$801 |
|
3362
Getty Images
GETY
$201M
| $78.2K | ﹤0.01% |
+98,605
| New | +$99.4K |
|
3363
Cytek Biosciences
CTKB
$586M
| $77.8K | ﹤0.01% |
17,807
-758
| -4% | -$3.58K |
|
|
PAL
3364
Proficient Auto Logistics
PAL
$201M
| $77.7K | ﹤0.01% |
+11,458
| New | +$94.5K |
|
|
KLC
3365
KinderCare Learning Companies
KLC
$586M
| $77.6K | ﹤0.01% |
35,253
+12,570
| +55% | +$47.3K |
|
3366
Archer Aviation
ACHR
$3.95B
| $77.5K | ﹤0.01% |
14,990
-115,820
| -89% | -$826K |
|
|
ORBS
3367
Eightco Holdings
ORBS
$249M
| $77.5K | ﹤0.01% |
+83,217
| New | +$106K |
|
|
ORC
3368
Orchid Island Capital
ORC
$1.34B
| $76.9K | ﹤0.01% |
10,938
-8,330
| -43% | -$62.8K |
|
3369
Epsilon Energy
EPSN
$171M
| $75.7K | ﹤0.01% |
+12,286
| New | +$62.7K |
|
|
LAR
3370
Lithium Argentina AG
LAR
$1.04B
| $75K | ﹤0.01% |
11,222
-166
| -1% | -$1.19K |
|
3371
Clean Energy Fuels
CLNE
$467M
| $74.9K | ﹤0.01% |
30,187
+13,546
| +81% | +$31.6K |
|
3372
Talphera
TLPH
$67M
| $74.7K | ﹤0.01% |
100,000
+42,000
| +72% | +$38K |
|
3373
Broadwind
BWEN
$118M
| $74.6K | ﹤0.01% |
35,853
-267
| -0.7% | -$724 |
|
3374
Pangaea Logistics
PANL
$489M
| $73.3K | ﹤0.01% |
10,348
-14,876
| -59% | -$117K |
|
|
DVLT
3375
Datavault AI
DVLT
$323M
| $73.1K | ﹤0.01% |
118,190
+2,097
| +2% | +$1.59K |
|
Similar funds
Mariner's Q1 2026 Portfolio in Review
As of Q1 2026, Mariner held 3,909 positions worth $85.7B, up 2% from $84B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Mariner deployed $4.07B of net new capital in Q1 2026, opening 385 new positions and adding to 1,802 existing holdings. Its largest new stake was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 23% a quarter earlier, followed by Financials and Healthcare.
On the sell side, the largest reduction was iShares 7-10 Year Treasury Bond ETF, an estimated $179M trimmed.
- Mariner's largest Q1 2026 buy was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.
- Mariner added most to Apollo Global Management in Q1 2026, an estimated $274M increase.
- Mariner's biggest Q1 2026 reduction was iShares 7-10 Year Treasury Bond ETF, cutting an estimated $179M.
- Mariner fully exited Exact Sciences in Q1 2026, selling an estimated $11.1M.
- Mariner's ten largest holdings make up 27% of its $85.7B portfolio in Q1 2026.
- Mariner opened 385 new positions and closed 364 in Q1 2026.
- Mariner's portfolio value rose 2% quarter-over-quarter to $85.7B.
Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.