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Mariner

Mariner Portfolio holdings

AUM $95.2B Turnover 23.58%
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
+319.92%
AUM
$95.2B
AUM Growth
+$9.5B
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
Avg Time Held
3.2 years
Top 10 Avg Time Held
4.4 years
Top 20 Avg Time Held
5.5 years

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 Held Since
HYLN icon
3701
Hyliion Holdings
HYLN
$527M
– –
-51,650
Closed -$90.9K –
IAK icon
3702
iShares US Insurance ETF
IAK
$455M
– –
-9,991
Closed -$1.28M –
IBDX icon
3703
iShares iBonds Dec 2032 Term Corporate ETF
IBDX
$1.77B
– –
-78,363
Closed -$1.98M –
IBMR icon
3704
iShares iBonds Dec 2029 Term Muni Bond ETF
IBMR
$501M
– –
-32,205
Closed -$816K –
IBRX icon
3705
ImmunityBio
IBRX
$8.71B
– –
-43,374
Closed -$333K –
ICLO icon
3706
Invesco AAA CLO Floating Rate Note ETF
ICLO
$602M
– –
-54,622
Closed -$1.39M –
IDCC icon
3707
InterDigital
IDCC
$8.45B
– –
-1,497
Closed -$452K –
IDXX icon
3708
Idexx Laboratories
IDXX
$44.1B
– –
-3,016
Closed -$1.69M –
IEZ icon
3709
iShares US Oil Equipment & Services ETF
IEZ
$353M
– –
-32,095
Closed -$929K –
IFF icon
3710
International Flavors & Fragrances
IFF
$24B
– –
-55,447
Closed -$4.02M –
IFN icon
3711
Aberdeen India Fund
IFN
$444M
– –
-10,972
Closed -$124K –
BRSL icon
3712
Brightstar Lottery PLC
BRSL
$1.73B
– –
-11,104
Closed -$142K –
IHF icon
3713
iShares US Healthcare Providers ETF
IHF
$1.43B
– –
-14,418
Closed -$603K –
IIIV icon
3714
i3 Verticals
IIIV
$313M
– –
-32,126
Closed -$718K –
INSM icon
3715
Insmed
INSM
$20.4B
– –
-22,072
Closed -$3.61M –
IONQ icon
3716
IonQ
IONQ
$12.7B
– –
-94,466
Closed -$2.72M –
IOT icon
3717
Samsara
IOT
$26.3B
– –
-18,270
Closed -$579K –
IQI icon
3718
Invesco Quality Municipal Securities
IQI
$468M
– –
-76,415
Closed -$735K –
IYZ icon
3719
iShares US Telecommunications ETF
IYZ
$954M
– –
-36,092
Closed -$1.42M –
JIG icon
3720
JPMorgan International Growth ETF
JIG
$523M
– –
-11,329
Closed -$841K –
JMBS icon
3721
Janus Henderson Mortgage-Backed Securities ETF
JMBS
$6.31B
– –
-27,304
Closed -$1.23M –
JMEE icon
3722
JPMorgan Small & Mid Cap Enhanced Equity ETF
JMEE
$2.91B
– –
-6,617
Closed -$442K –
JOBY icon
3723
Joby Aviation
JOBY
$4.74B
– –
-131,148
Closed -$1.08M –
JPEF icon
3724
JPMorgan Equity Focus ETF
JPEF
$2B
– –
-67,659
Closed -$4.86M –
JPEM icon
3725
JPMorgan Diversified Return Emerging Markets Equity ETF
JPEM
$372M
– –
-3,592
Closed -$223K –

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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.