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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 | |
|---|---|---|---|---|---|---|
|
SBC
3326
SBC Medical Group
SBC
$301M
| $100K | ﹤0.01% |
+23,960
| New | +$100K |
|
|
ELME
3327
Elme Communities
ELME
$132M
| $99.2K | ﹤0.01% |
49,368
+35,670
| +260% | +$118K |
|
|
HIO
3328
Western Asset High Income Opportunity Fund
HIO
$344M
| $98.5K | ﹤0.01% |
27,837
+5,693
| +26% | +$21.2K |
|
3329
Cadiz
CDZI
$279M
| $98.5K | ﹤0.01% |
+20,069
| New | +$110K |
|
3330
Nuveen Real Estate Income Fund
JRS
$250M
| $97.4K | ﹤0.01% |
13,050
-3,600
| -22% | -$28.1K |
|
|
OGI
3331
Organigram Holdings
OGI
$129M
| $96.5K | ﹤0.01% |
71,978
| – | – |
|
3332
Invesco Municipal Opportunity Trust
VMO
$653M
| $96.1K | ﹤0.01% |
+10,208
| New | +$99.7K |
|
3333
Cornerstone Strategic Value Fund
CLM
$2.22B
| $95.5K | ﹤0.01% |
13,125
-7,765
| -37% | -$61K |
|
3334
CION Investment
CION
$300M
| $94.2K | ﹤0.01% |
13,778
-38
| -0.3% | -$319 |
|
3335
Invesco Municipal Income Opportunities Trust
OIA
$298M
| $93.8K | ﹤0.01% |
15,275
| – | – |
|
3336
Puma Biotechnology
PBYI
$401M
| $93.6K | ﹤0.01% |
+14,649
| New | +$94.5K |
|
3337
Denison Mines
DNN
$2.76B
| $93.5K | ﹤0.01% |
26,521
-1,218
| -4% | -$4.58K |
|
|
SSII
3338
SS Innovations International
SSII
$716M
| $93.3K | ﹤0.01% |
18,657
+3,582
| +24% | +$17.2K |
|
3339
Cognyte Software
CGNT
$613M
| $93.1K | ﹤0.01% |
11,492
+1,308
| +13% | +$10.8K |
|
3340
Prospect Capital
PSEC
$1.07B
| $92.8K | ﹤0.01% |
35,572
+23,052
| +184% | +$63.1K |
|
|
BTQ
3341
BTQ Technologies Corp
BTQ
$498M
| $92.8K | ﹤0.01% |
34,773
+5,678
| +20% | +$20K |
|
3342
CytomX Therapeutics
CTMX
$725M
| $92.8K | ﹤0.01% |
19,750
-2,430
| -11% | -$12.3K |
|
3343
Barings BDC
BBDC
$873M
| $92.8K | ﹤0.01% |
11,274
-2,459
| -18% | -$21.6K |
|
|
PFN
3344
PIMCO Income Strategy Fund II
PFN
$696M
| $92K | ﹤0.01% |
+13,356
| New | +$96.6K |
|
3345
Alpha Tau Medical Warrant
DRTSW
$77.3M
| $91.7K | ﹤0.01% |
91,666
-2,322
| -2% | -$2.23K |
|
|
PFL
3346
PIMCO Income Strategy Fund
PFL
$384M
| $91K | ﹤0.01% |
11,376
-2,487
| -18% | -$20.6K |
|
3347
Hyliion Holdings
HYLN
$701M
| $90.9K | ﹤0.01% |
51,650
-22,099
| -30% | -$44.5K |
|
3348
ARS Pharmaceuticals
SPRY
$602M
| $90.2K | ﹤0.01% |
+11,236
| New | +$108K |
|
|
FLD
3349
Fold Holdings
FLD
$23.6M
| $89.6K | ﹤0.01% |
67,869
+4,351
| +7% | +$7.51K |
|
3350
Holley
HLLY
$307M
| $88.5K | ﹤0.01% |
28,953
+17,705
| +157% | +$67.1K |
|
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.