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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 | |
|---|---|---|---|---|---|---|
851
ProShares UltraPro QQQ
TQQQ
$34.1B
| $7.91M | 0.01% |
189,806
+20,325
| +12% | +$1.02M |
|
852
Southern Copper
SCCO
$153B
| $7.9M | 0.01% |
46,424
-3,624
| -7% | -$663K |
|
853
Columbia EM Core ex-China ETF
XCEM
$1.96B
| $7.9M | 0.01% |
193,545
+178,773
| +1,210% | +$7.5M |
|
854
First Trust Core Investment Grade ETF
FTCB
$2.52B
| $7.89M | 0.01% |
376,444
+196,001
| +109% | +$4.16M |
|
855
Steris
STE
$20.5B
| $7.85M | 0.01% |
35,483
-19,380
| -35% | -$4.74M |
|
856
AB Ultra Short Income ETF
YEAR
$1.49B
| $7.78M | 0.01% |
154,169
-115,139
| -43% | -$5.81M |
|
857
Invesco S&P MidCap Quality ETF
XMHQ
$5.36B
| $7.77M | 0.01% |
75,154
+46,608
| +163% | +$4.94M |
|
858
Capital Group US Multi-Sector Income ETF
CGMS
$5.19B
| $7.75M | 0.01% |
284,746
-402,553
| -59% | -$11.1M |
|
859
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.06B
| $7.74M | 0.01% |
265,239
-6,590
| -2% | -$193K |
|
860
HF Sinclair
DINO
$16.4B
| $7.72M | 0.01% |
123,711
+32,433
| +36% | +$1.76M |
|
861
Vanguard Consumer Staples ETF
VDC
$7.88B
| $7.7M | 0.01% |
34,294
+2,282
| +7% | +$523K |
|
862
iShares Morningstar Small-Cap Growth ETF
ISCG
$969M
| $7.7M | 0.01% |
140,546
+14,096
| +11% | +$811K |
|
863
iShares Global Tech ETF
IXN
$8.95B
| $7.7M | 0.01% |
77,001
+7,113
| +10% | +$751K |
|
864
iShares iBonds Dec 2033 Term Corporate ETF
IBDY
$1.09B
| $7.66M | 0.01% |
296,460
+8,204
| +3% | +$214K |
|
865
Energizer
ENR
$1.4B
| $7.64M | 0.01% |
465,530
+580
| +0.1% | +$11.7K |
|
866
DuPont de Nemours
DD
$18.9B
| $7.63M | 0.01% |
55,566
+6,705
| +14% | +$925K |
|
867
Invesco Short Term Treasury ETF
TBLL
$2.58B
| $7.62M | 0.01% |
72,153
-8,405
| -10% | -$888K |
|
|
ALLW
868
State Street Bridgewater All Weather ETF
ALLW
$1.61B
| $7.58M | 0.01% |
262,766
+16,195
| +7% | +$469K |
|
869
Knight Transportation
KNX
$12.4B
| $7.58M | 0.01% |
131,657
+57,697
| +78% | +$3.31M |
|
870
Avantis Core Fixed Income ETF
AVIG
$1.92B
| $7.57M | 0.01% |
182,226
+6,926
| +4% | +$291K |
|
871
Jazz Pharmaceuticals
JAZZ
$15.7B
| $7.56M | 0.01% |
40,016
+14,675
| +58% | +$2.56M |
|
872
Vanguard Emerging Markets Government Bond ETF
VWOB
$6.17B
| $7.55M | 0.01% |
115,139
-15,847
| -12% | -$1.07M |
|
873
Vanguard Russell 2000 ETF
VTWO
$17.5B
| $7.49M | 0.01% |
74,783
-3,910
| -5% | -$408K |
|
874
Schwab Fundamental Emerging Markets Large Company Index ETF
FNDE
$9.57B
| $7.48M | 0.01% |
195,470
+35,557
| +22% | +$1.37M |
|
875
Liberty Global Class C
LBTYK
$3.44B
| $7.48M | 0.01% |
637,294
+68,191
| +12% | +$782K |
|
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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.