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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 | |
|---|---|---|---|---|---|---|
301
General Motors
GM
$75.2B
| $41.5M | 0.05% |
556,802
+145,136
| +35% | +$11.5M |
|
302
VanEck Semiconductor ETF
SMH
$70B
| $41.2M | 0.05% |
107,566
+3,531
| +3% | +$1.4M |
|
303
Airbnb
ABNB
$84.4B
| $41M | 0.05% |
324,379
+130,086
| +67% | +$16.9M |
|
304
TechnipFMC
FTI
$30B
| $40.9M | 0.05% |
591,626
+195,584
| +49% | +$11.8M |
|
305
Freeport-McMoran
FCX
$91.4B
| $40.8M | 0.05% |
694,965
+154,545
| +29% | +$9.34M |
|
306
Dimensional US Large Cap Value ETF
DFLV
$6.65B
| $40.6M | 0.05% |
1,135,924
+193,410
| +21% | +$6.97M |
|
307
iShares MSCI KLD 400 Social ETF
DSI
$5.27B
| $40.6M | 0.05% |
334,677
-11,420
| -3% | -$1.46M |
|
308
Adobe
ADBE
$89.6B
| $40.4M | 0.05% |
166,209
+29,785
| +22% | +$8.25M |
|
309
US Bancorp
USB
$99B
| $40M | 0.05% |
768,491
+52,372
| +7% | +$2.88M |
|
310
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$46B
| $39.5M | 0.05% |
85,310
+6,346
| +8% | +$3.07M |
|
311
Mondelez International
MDLZ
$77.4B
| $39.2M | 0.05% |
679,922
-236,801
| -26% | -$13.7M |
|
312
Capital One
COF
$124B
| $39.1M | 0.05% |
214,444
-3,531
| -2% | -$739K |
|
313
Celestica
CLS
$38.3B
| $38.3M | 0.04% |
136,093
+2,663
| +2% | +$773K |
|
314
TE Connectivity
TEL
$57B
| $38.1M | 0.04% |
182,753
-7,075
| -4% | -$1.56M |
|
315
Energy Transfer Partners
ET
$70.2B
| $38.1M | 0.04% |
1,975,085
+149,404
| +8% | +$2.74M |
|
316
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.4B
| $38M | 0.04% |
713,905
+414,574
| +139% | +$22.3M |
|
317
iShares Morningstar Mid-Cap Growth ETF
IMCG
$3.92B
| $37.6M | 0.04% |
477,177
+26,199
| +6% | +$2.15M |
|
318
Goldman Sachs Access Treasury 0-1 Year ETF
GBIL
$7.67B
| $37.6M | 0.04% |
375,153
+134,153
| +56% | +$13.4M |
|
319
Hartford Multifactor Developed Markets ex-US ETF
RODM
$1.59B
| $37.6M | 0.04% |
953,263
-45,975
| -5% | -$1.8M |
|
320
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.48B
| $37.5M | 0.04% |
881,418
-108,043
| -11% | -$4.65M |
|
321
Vanguard FTSE All-World ex-US ETF
VEU
$66.5B
| $37.2M | 0.04% |
495,702
+97,864
| +25% | +$7.58M |
|
322
Fidelity Wise Origin Bitcoin Fund
FBTC
$12.2B
| $37M | 0.04% |
627,534
+29,073
| +5% | +$1.93M |
|
323
Stanley Black & Decker
SWK
$13.9B
| $37M | 0.04% |
520,241
+46,425
| +10% | +$3.73M |
|
324
Novartis
NVS
$296B
| $36.9M | 0.04% |
241,552
+5,076
| +2% | +$778K |
|
325
iShares Bitcoin Trust
IBIT
$48.4B
| $36.6M | 0.04% |
951,784
+23,793
| +3% | +$1.03M |
|
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.