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Mariner

Mariner Portfolio holdings

AUM $95.2B
1-Year Est. Return 32.92%
This Fund
S&P 500
This Quarter Est. Return
+19.43%
1 Year Est. Return
+32.92%
3 Year Est. Return
+93.86%
5 Year Est. Return
+109.77%
10 Year Est. Return
+319.93%
AUM
$95.2B
AUM Growth
+$9.54B
Cap. Flow
-$1.86B
Cap. Flow %
-1.95%
Top 10 Hldgs %
27.89%
Holding
4,003
New
458
Increased
1,438
Reduced
1,530
Closed
486

Top Buys

Rank Stock Value
1
MU icon
Micron Technology
MU
+$318M
2
JAZZ icon
Jazz Pharmaceuticals
JAZZ
+$125M
3
TJX icon
TJX Companies
TJX
+$120M
4
AGG icon
iShares Core US Aggregate Bond ETF
AGG
+$110M
5
VEA icon
Vanguard FTSE Developed Markets ETF
VEA
+$105M

Top Sells

Rank Stock Value
1
USD icon
ProShares Ultra Semiconductors
USD
+$318M
2
HD icon
Home Depot
HD
+$139M
3
MSFT icon
Microsoft
MSFT
+$129M
4
GLW icon
Corning
GLW
+$126M
5
IWY icon
iShares Russell Top 200 Growth ETF
IWY
+$113M

Sector Composition

Rank Sector Weight
1 Miscellaneous 40.96%
2 Technology 24.61%
3 Financials 7.71%
4 Healthcare 5.25%
5 Industrials 5.02%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SETM icon
3851
Sprott Energy Transition Materials ETF
SETM
$619M
– –
-22,218
Closed -$735K
SGDM icon
3852
Sprott Gold Miners ETF
SGDM
$736M
– –
-5,528
Closed -$417K
SHE icon
3853
State Street SPDR MSCI USA Gender Diversity ETF
SHE
$334M
– –
-2,892
Closed -$370K
SID icon
3854
Companhia Siderúrgica Nacional
SID
$1.62B
– –
-10,117
Closed -$12.5K
SKY icon
3855
Champion Homes
SKY
$4.76B
– –
-3,477
Closed -$259K
SLE icon
3856
Super League Enterprise
SLE
$182M
– –
-11,673
Closed -$43.2K
SLI
3857
Standard Lithium
SLI
$597M
– –
-19,117
Closed -$65.2K
SLVM icon
3858
Sylvamo
SLVM
$1.43B
– –
-20,815
Closed -$879K
SLVP icon
3859
iShares MSCI Global Silver and Metals Miners ETF
SLVP
$1.05B
– –
-7,646
Closed -$271K
SMLV icon
3860
State Street SPDR US Small Cap Low Volatility Index ETF
SMLV
$257M
– –
-1,817
Closed -$249K
SMOT icon
3861
VanEck Morningstar SMID Moat ETF
SMOT
$327M
– –
-14,930
Closed -$525K
SN icon
3862
SharkNinja
SN
$24.4B
– –
-6,191
Closed -$656K
SNSR icon
3863
Global X Internet of Things ETF
SNSR
$209M
– –
-6,523
Closed -$243K
SOFI icon
3864
SoFi Technologies
SOFI
$23.5B
– –
-227,251
Closed -$3.61M
SON icon
3865
Sonoco
SON
$5.14B
– –
-37,631
Closed -$2.04M
SPSC icon
3866
SPS Commerce
SPSC
$2.99B
– –
-5,755
Closed -$320K
SPUU icon
3867
Direxion Daily S&P 500 Bull 2X ETF
SPUU
$290M
– –
-1,215
Closed -$201K
SPXC icon
3868
SPX Corp
SPXC
$9.84B
– –
-8,802
Closed -$1.76M
SQFTW icon
3869
Presidio Property Trust Inc Series A Warrants
SQFTW
$218K
– –
-59,988
Closed -$1.19K
SR icon
3870
Spire
SR
$4.89B
– –
-7,091
Closed -$642K
ST icon
3871
Sensata Technologies
ST
$6.27B
– –
-18,565
Closed -$653K
STK
3872
Columbia Seligman Premium Technology Growth Fund
STK
$930M
– –
-5,330
Closed -$202K
STKL
3873
DELISTED
SunOpta
STKL
– –
-19,314
Closed -$125K
STZ icon
3874
Constellation Brands
STZ
$21.9B
– –
-4,740
Closed -$711K
SUSC icon
3875
iShares ESG Aware USD Corporate Bond ETF
SUSC
$1.29B
– –
-44,419
Closed -$1.03M
153 154
155
156 157

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Mariner's Q2 2026 Portfolio in Review

As of Q2 2026, Mariner held 4,003 positions worth $95.2B, up 11% from $85.7B the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Mariner's Q2 2026 filing shows 458 new, 1,438 increased, 1,530 reduced and 486 closed positions. Its largest new stake was Honeywell Aerospace: 217,569 shares worth $48.1M. The largest sale was ProShares Ultra Semiconductors, an estimated $318M.

By sector, the portfolio is most concentrated in Miscellaneous at 41% of assets, down from 43% a quarter earlier, followed by Technology and Financials.

  • Mariner's largest Q2 2026 buy was Honeywell Aerospace: 217,569 shares worth $48.1M.
  • Mariner added most to Micron Technology in Q2 2026, an estimated $318M increase.
  • Mariner's biggest Q2 2026 reduction was ProShares Ultra Semiconductors, cutting an estimated $318M.
  • Mariner fully exited Fidelity Fundamental Large Cap Core ETF in Q2 2026, selling an estimated $52.7M.
  • Mariner's ten largest holdings make up 28% of its $95.2B portfolio in Q2 2026.
  • Mariner opened 458 new positions and closed 486 in Q2 2026.
  • Mariner's portfolio value rose 11% quarter-over-quarter to $95.2B.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.