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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 | |
|---|---|---|---|---|---|---|
|
BOW
2351
Bowhead Specialty Holdings
BOW
$1.02B
| $601K | ﹤0.01% |
26,794
-10,916
| -29% | -$265K |
|
2352
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$4.9B
| $601K | ﹤0.01% |
16,353
-5,377
| -25% | -$191K |
|
2353
Kelly Services Class A
KELYA
$526M
| $599K | ﹤0.01% |
67,729
+29,348
| +76% | +$280K |
|
2354
Tompkins Financial
TMP
$1.45B
| $599K | ﹤0.01% |
7,596
+1,554
| +26% | +$121K |
|
2355
Southern Missouri Bancorp
SMBC
$855M
| $597K | ﹤0.01% |
+9,336
| New | +$584K |
|
2356
Plains GP Holdings
PAGP
$5.23B
| $596K | ﹤0.01% |
24,546
-16
| -0.1% | -$349 |
|
2357
Vanguard Long-Term Treasury ETF
VGLT
$10.1B
| $596K | ﹤0.01% |
10,763
-385
| -3% | -$21.6K |
|
|
UFOX
2358
Defiance Space and Connective Tech ETF
UFOX
$851M
| $596K | ﹤0.01% |
8,737
-1,184
| -12% | -$79.6K |
|
2359
Koppers
KOP
$966M
| $595K | ﹤0.01% |
20,013
-4,003
| -17% | -$134K |
|
2360
Scholar Rock
SRRK
$5.71B
| $595K | ﹤0.01% |
12,121
-3,728
| -24% | -$167K |
|
2361
Boot Barn
BOOT
$4.55B
| $595K | ﹤0.01% |
4,066
+1,722
| +73% | +$312K |
|
2362
First Trust Institutional Preferred Securities and Income ETF
FPEI
$1.91B
| $595K | ﹤0.01% |
31,304
-823
| -3% | -$15.9K |
|
2363
Bumble
BMBL
$367M
| $593K | ﹤0.01% |
182,026
+152,250
| +511% | +$506K |
|
|
PRSD
2364
State Street Short Duration IG Public & Private Credit ETF
PRSD
$97.1M
| $592K | ﹤0.01% |
23,669
-169,774
| -88% | -$4.26M |
|
2365
ABM Industries
ABM
$2.8B
| $591K | ﹤0.01% |
15,352
+8,251
| +116% | +$357K |
|
2366
iShares Global Healthcare ETF
IXJ
$4.11B
| $591K | ﹤0.01% |
6,320
+1,203
| +24% | +$118K |
|
2367
Ameris Bancorp
ABCB
$5.9B
| $591K | ﹤0.01% |
7,578
-5,993
| -44% | -$476K |
|
2368
Verra Mobility
VRRM
$615M
| $591K | ﹤0.01% |
41,328
+8,060
| +24% | +$148K |
|
2369
iShares Cybersecurity and Tech ETF
IHAK
$994M
| $591K | ﹤0.01% |
13,529
-12,937
| -49% | -$591K |
|
2370
RXO
RXO
$4.23B
| $590K | ﹤0.01% |
40,388
+26,431
| +189% | +$388K |
|
2371
LegalZoom.com
LZ
$1.23B
| $590K | ﹤0.01% |
103,971
-29,961
| -22% | -$227K |
|
2372
Santander
BSBR
$39.7B
| $589K | ﹤0.01% |
99,386
+1,458
| +1% | +$9.28K |
|
2373
Central Garden & Pet Co Class A
CENTA
$2.41B
| $586K | ﹤0.01% |
18,073
+3,265
| +22% | +$104K |
|
2374
Live Oak Bancshares
LOB
$1.95B
| $585K | ﹤0.01% |
17,692
+901
| +5% | +$33.2K |
|
2375
Ascendis Pharma A/S
ASND
$16.7B
| $583K | ﹤0.01% |
2,552
-16
| -0.6% | -$3.59K |
|
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.