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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
HYLN icon
3701
Hyliion Holdings
HYLN
$659M
– –
-51,650
Closed -$90.9K
IAK icon
3702
iShares US Insurance ETF
IAK
$524M
– –
-9,991
Closed -$1.28M
IBDX icon
3703
iShares iBonds Dec 2032 Term Corporate ETF
IBDX
$1.75B
– –
-78,363
Closed -$1.98M
IBMR icon
3704
iShares iBonds Dec 2029 Term Muni Bond ETF
IBMR
$478M
– –
-32,205
Closed -$816K
IBRX icon
3705
ImmunityBio
IBRX
$8.56B
– –
-43,374
Closed -$333K
ICLO icon
3706
Invesco AAA CLO Floating Rate Note ETF
ICLO
$556M
– –
-54,622
Closed -$1.39M
IDCC icon
3707
InterDigital
IDCC
$8.72B
– –
-1,497
Closed -$452K
IDXX icon
3708
Idexx Laboratories
IDXX
$42.2B
– –
-3,016
Closed -$1.69M
IEZ icon
3709
iShares US Oil Equipment & Services ETF
IEZ
$393M
– –
-32,095
Closed -$929K
IFF icon
3710
International Flavors & Fragrances
IFF
$22B
– –
-55,447
Closed -$4.02M
IFN
3711
Aberdeen India Fund
IFN
$490M
– –
-10,972
Closed -$124K
BRSL
3712
Brightstar Lottery PLC
BRSL
$2.06B
– –
-11,104
Closed -$142K
IHF icon
3713
iShares US Healthcare Providers ETF
IHF
$1.24B
– –
-14,418
Closed -$603K
IIIV icon
3714
i3 Verticals
IIIV
$299M
– –
-32,126
Closed -$718K
INSM icon
3715
Insmed
INSM
$27.6B
– –
-22,072
Closed -$3.61M
IONQ icon
3716
IonQ
IONQ
$16B
– –
-94,466
Closed -$2.72M
IOT icon
3717
Samsara
IOT
$23.4B
– –
-18,270
Closed -$579K
IQI icon
3718
Invesco Quality Municipal Securities
IQI
$526M
– –
-76,415
Closed -$735K
IYZ icon
3719
iShares US Telecommunications ETF
IYZ
$1.24B
– –
-36,092
Closed -$1.42M
JIG icon
3720
JPMorgan International Growth ETF
JIG
$525M
– –
-11,329
Closed -$841K
JMBS icon
3721
Janus Henderson Mortgage-Backed Securities ETF
JMBS
$6.68B
– –
-27,304
Closed -$1.23M
JMEE icon
3722
JPMorgan Small & Mid Cap Enhanced Equity ETF
JMEE
$2.94B
– –
-6,617
Closed -$442K
JOBY icon
3723
Joby Aviation
JOBY
$6.67B
– –
-131,148
Closed -$1.08M
JPEF icon
3724
JPMorgan Equity Focus ETF
JPEF
$2.02B
– –
-67,659
Closed -$4.86M
JPEM icon
3725
JPMorgan Diversified Return Emerging Markets Equity ETF
JPEM
$403M
– –
-3,592
Closed -$223K
147 148
149
150 151

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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.