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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 | |
|---|---|---|---|---|---|---|
|
DFTX
2276
Definium Therapeutics
DFTX
$5.73B
| $659K | ﹤0.01% |
34,851
+14,685
| +73% | +$249K |
|
2277
Builders FirstSource
BLDR
$7.84B
| $658K | ﹤0.01% |
7,988
-3,433
| -30% | -$367K |
|
2278
AB Disruptors ETF
FWD
$2.98B
| $657K | ﹤0.01% |
6,051
-1,565
| -21% | -$176K |
|
2279
Plug Power
PLUG
$2.92B
| $657K | ﹤0.01% |
290,547
+33,590
| +13% | +$72.9K |
|
2280
SharkNinja
SN
$21B
| $656K | ﹤0.01% |
6,191
-1,589
| -20% | -$186K |
|
2281
Sabesp
SBS
$19.7B
| $654K | ﹤0.01% |
107,320
+20,761
| +24% | +$114K |
|
2282
Comstock Resources
CRK
$3.97B
| $654K | ﹤0.01% |
31,009
-26,403
| -46% | -$562K |
|
2283
Sensata Technologies
ST
$6.65B
| $653K | ﹤0.01% |
+18,565
| New | +$657K |
|
2284
FT Vest US Equity Buffer ETF January
FJAN
$1.41B
| $653K | ﹤0.01% |
12,951
-1,533
| -11% | -$79.3K |
|
|
GTY
2285
Getty Realty Corp
GTY
$2.1B
| $653K | ﹤0.01% |
20,529
+5,993
| +41% | +$187K |
|
2286
Snap-on
SNA
$20.9B
| $652K | ﹤0.01% |
1,796
-24,760
| -93% | -$9.17M |
|
2287
OSI Systems
OSIS
$3.57B
| $652K | ﹤0.01% |
2,455
-75
| -3% | -$20.7K |
|
|
PLGO
2288
Pelagos Insurance Capital
PLGO
$2.19B
| $652K | ﹤0.01% |
34,107
+9,522
| +39% | +$182K |
|
|
AIS
2289
VistaShares Artificial Intelligence Supercycle ETF
AIS
$848M
| $648K | ﹤0.01% |
+15,454
| New | +$666K |
|
|
ACYN
2290
FT Vest Laddered Autocallable Barrier & Income ETF
ACYN
$1.14B
| $647K | ﹤0.01% |
+31,750
| New | +$643K |
|
2291
Monro
MNRO
$525M
| $646K | ﹤0.01% |
40,294
+7,009
| +21% | +$136K |
|
2292
Energy Fuels
UUUU
$2.82B
| $646K | ﹤0.01% |
35,417
+5,540
| +19% | +$115K |
|
2293
Bilibili
BILI
$7.18B
| $645K | ﹤0.01% |
28,633
+5,563
| +24% | +$160K |
|
2294
Nuveen Preferred & Income Opportunities Fund
JPC
$2.89B
| $644K | ﹤0.01% |
85,582
-212
| -0.2% | -$1.71K |
|
2295
First Trust Dow Jones Select MicroCap Index Fund
FDM
$260M
| $644K | ﹤0.01% |
7,845
-3,040
| -28% | -$254K |
|
2296
Avantis Real Estate ETF
AVRE
$884M
| $642K | ﹤0.01% |
14,590
+848
| +6% | +$38.4K |
|
2297
Spire
SR
$4.92B
| $642K | ﹤0.01% |
7,091
+3,214
| +83% | +$282K |
|
2298
CRISPR Therapeutics
CRSP
$4.58B
| $642K | ﹤0.01% |
13,491
-3,418
| -20% | -$180K |
|
2299
Origin Bancorp
OBK
$1.66B
| $642K | ﹤0.01% |
15,481
+4,978
| +47% | +$207K |
|
|
VRE
2300
DELISTED
Veris Residential
VRE
| $641K | ﹤0.01% |
33,994
+9,089
| +36% | +$154K |
|
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.