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Mariner

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
Cap. Flow
+$4.07B
Cap. Flow %
4.75%
Top 10 Hldgs %
27.24%
Holding
3,909
New
385
Increased
1,802
Reduced
1,276
Closed
364

Top Buys

Rank Stock Value
1
APO icon
Apollo Global Management
APO
+$274M
2
IEI icon
iShares 3-7 Year Treasury Bond ETF
IEI
+$184M
3
MSFT icon
Microsoft
MSFT
+$172M
4
VEA icon
Vanguard FTSE Developed Markets ETF
VEA
+$170M
5
AGG icon
iShares Core US Aggregate Bond ETF
AGG
+$169M

Top Sells

Rank Stock Value
1
IEF icon
iShares 7-10 Year Treasury Bond ETF
IEF
+$179M
2
TMUS icon
T-Mobile US
TMUS
+$162M
3
USD icon
ProShares Ultra Semiconductors
USD
+$135M
4
NOW icon
ServiceNow
NOW
+$128M
5
ABT icon
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
NBIX icon
451
Neurocrine Biosciences
NBIX
$17.6B
$21.2M 0.02%
160,869
+64,856
+68% +$8.61M
NYT icon
452
New York Times
NYT
$11.9B
$21.2M 0.02%
252,871
+124,867
+98% +$9.45M
ECL icon
453
Ecolab
ECL
$74.6B
$21.2M 0.02%
79,539
+390
+0.5% +$110K
CTSH icon
454
Cognizant
CTSH
$20.4B
$21.1M 0.02%
344,384
+35,738
+12% +$2.56M
ITT icon
455
ITT
ITT
$17.2B
$21.1M 0.02%
110,797
+64,145
+137% +$12.2M
ORLY icon
456
O'Reilly Automotive
ORLY
$71.9B
$21.1M 0.02%
228,520
-27,984
-11% -$2.62M
HELO icon
457
JPMorgan Hedged Equity Laddered Overlay ETF
HELO
$4.18B
$21M 0.02%
329,299
+11,309
+4% +$749K
BURL icon
458
Burlington
BURL
$22.3B
$21M 0.02%
64,434
+50,874
+375% +$15.6M
TTE icon
459
TotalEnergies
TTE
$189B
$20.9M 0.02%
230,000
-1,080
-0.5% -$82.5K
VHT icon
460
Vanguard Health Care ETF
VHT
$17.9B
$20.8M 0.02%
76,278
-1,317
-2% -$376K
SNEX icon
461
StoneX
SNEX
$8.85B
$20.7M 0.02%
384,999
+33,916
+10% +$1.71M
SPTM icon
462
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$13.6B
$20.7M 0.02%
261,458
+34,237
+15% +$2.83M
FIVE icon
463
Five Below
FIVE
$11.4B
$20.6M 0.02%
90,126
+51,093
+131% +$10.7M
CL icon
464
Colgate-Palmolive
CL
$73.4B
$20.5M 0.02%
240,888
+77,558
+47% +$6.91M
ACGL icon
465
Arch Capital
ACGL
$34.4B
$20.4M 0.02%
212,506
+22,283
+12% +$2.13M
VCTR icon
466
Victory Capital Holdings
VCTR
$6.08B
$20.3M 0.02%
310,388
+1,735
+0.6% +$121K
SPTI icon
467
State Street SPDR Portfolio Intermediate Term Treasury ETF
SPTI
$10.4B
$20.2M 0.02%
704,182
+166,572
+31% +$4.8M
XLRE icon
468
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.52B
$20.2M 0.02%
493,952
+18,847
+4% +$790K
GIS icon
469
General Mills
GIS
$19.8B
$20.1M 0.02%
539,216
+259,808
+93% +$11.3M
ESGV icon
470
Vanguard ESG US Stock ETF
ESGV
$13.2B
$20M 0.02%
178,322
+28,984
+19% +$3.44M
ELV icon
471
Elevance Health
ELV
$84.4B
$20M 0.02%
68,255
-11,502
-14% -$3.78M
AKRE
472
Akre Focus ETF
AKRE
$5.06B
$19.8M 0.02%
374,032
+56,285
+18% +$3.27M
AWK icon
473
American Water Works
AWK
$26.1B
$19.7M 0.02%
144,830
-23,187
-14% -$3.06M
ITA icon
474
iShares US Aerospace & Defense ETF
ITA
$13.7B
$19.6M 0.02%
89,697
+3,928
+5% +$919K
TTC icon
475
Toro Company
TTC
$9.04B
$19.6M 0.02%
209,442
+52,237
+33% +$4.92M
17 18
19
20 21

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Lilly Endowment
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Belvedere Trading
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Sanders Capital
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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.