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
-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 | |
|---|---|---|---|---|---|---|
|
QNTM
3426
Quantum Biopharma Class B Subordinate Voting Shares
QNTM
$18.2M
| $48.6K | ﹤0.01% |
+10,059
| New | +$45.4K |
|
3427
Butterfly Network
BFLY
$1.73B
| $48.5K | ﹤0.01% |
12,011
+599
| +5% | +$2.31K |
|
|
HURA
3428
TuHURA Biosciences
HURA
$143M
| $46K | ﹤0.01% |
+25,697
| New | +$31.5K |
|
3429
AirSculpt Technologies
AIRS
$340M
| $45.8K | ﹤0.01% |
+16,196
| New | +$37.7K |
|
3430
Mobix Labs
MOBX
$30.1M
| $45.3K | ﹤0.01% |
13,545
| – | – |
|
3431
Coherus Oncology
CHRS
$221M
| $45.1K | ﹤0.01% |
26,739
+15,849
| +146% | +$28.1K |
|
3432
Opko Health
OPK
$891M
| $44.8K | ﹤0.01% |
39,346
-2,879
| -7% | -$3.54K |
|
3433
Prairie Operating Co
PROP
$79.7M
| $44K | ﹤0.01% |
21,699
+9,786
| +82% | +$17.7K |
|
3434
Unisys
UIS
$248M
| $43.5K | ﹤0.01% |
+21,033
| New | +$52.8K |
|
3435
Standard BioTools
LAB
$320M
| $43.4K | ﹤0.01% |
47,157
+27,529
| +140% | +$33.3K |
|
|
GAU
3436
Galiano Gold
GAU
$499M
| $43.3K | ﹤0.01% |
17,250
+2,250
| +15% | +$6.37K |
|
3437
Super League Enterprise
SLE
$4.59M
| $43.2K | ﹤0.01% |
11,673
+5,501
| +89% | +$29.1K |
|
3438
Ainos
AIMD
$11.3M
| $42.8K | ﹤0.01% |
30,800
+8,000
| +35% | +$13.4K |
|
|
EU
3439
enCore Energy
EU
$235M
| $41.4K | ﹤0.01% |
+23,050
| New | +$58.9K |
|
|
AIRJ
3440
Montana Technologies Corp
AIRJ
$333M
| $41.1K | ﹤0.01% |
+16,353
| New | +$55.1K |
|
3441
eHealth
EHTH
$44.8M
| $40.6K | ﹤0.01% |
+31,511
| New | +$73K |
|
3442
Alector
ALEC
$170M
| $40.4K | ﹤0.01% |
+18,799
| New | +$37.8K |
|
|
BHR
3443
Braemar Hotels & Resorts
BHR
$148M
| $39.9K | ﹤0.01% |
+16,895
| New | +$47K |
|
|
HUYA
3444
Huya Inc
HUYA
$547M
| $39.5K | ﹤0.01% |
11,982
-106
| -0.9% | -$391 |
|
3445
Codexis
CDXS
$187M
| $38.3K | ﹤0.01% |
+23,529
| New | +$33.5K |
|
3446
Milestone Pharmaceuticals
MIST
$148M
| $36.7K | ﹤0.01% |
30,830
+5,830
| +23% | +$10.2K |
|
3447
Thryv Holdings
THRY
$169M
| $36.4K | ﹤0.01% |
+13,256
| New | +$52.1K |
|
|
ABVE
3448
DELISTED
Above Food Ingredients Inc
ABVE
| $36K | ﹤0.01% |
35,722
-13,225
| -27% | -$21.1K |
|
3449
Milestone Scientific
MLSS
$37.8M
| $35.1K | ﹤0.01% |
121,750
| – | – |
|
3450
Clear Channel Outdoor Holdings
CCO
$1.23B
| $34K | ﹤0.01% |
14,343
+4,115
| +40% | +$9.32K |
|
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.