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Latest CUSTOM INDEX SYSTEMS, LLC Stock Portfolio

$278Million | No. of Holdings #522

CUSTOM INDEX SYSTEMS, LLC Performance

2026 Q2+8.32%
YTD+8.23%
2025+14.20%

About CUSTOM INDEX SYSTEMS, LLC and 13F Hedge Fund Stock Holdings

On 2026-08-14, the fund reported it's updated stock portfolio. In the 13F Holdings report, Quantum Portfolio Management LLC reported an equity portfolio of $278.3 Millions as of 30 Jun, 2026. <br><br> The top stock holdings of Quantum Portfolio Management LLC are AAPL, NVDA, IJR. The fund has invested 5.2% of it's portfolio in APPLE INC and 3.5% of portfolio in NVIDIA CORPORATION. <br><br> The fund managers got completely rid off ISHARES INC (ACWV), APPFOLIO INC (APPF) and VANECK ETF TRUST (AFK) stocks. They significantly reduced their stock positions in SENSATA TECHNOLOGIES HLDG PL (ST), AMCOR PLC (AMCR) and DOW HLDGS INC (DOW). Quantum Portfolio Management LLC opened new stock positions in HEWLETT PACKARD ENTERPRISE C (HPE), UNIVERSAL DISPLAY CORP (OLED) and KROGER CO (KR). The fund showed a lot of confidence in some stocks as they added substantially to CARVANA CO (CVNA), ROKU INC (ROKU) and ISHARES TR (AMPS).
CUSTOM INDEX SYSTEMS, LLC Equity Portfolio Value
Last Reported on: 14 Aug, 2026
$278Million
  as of Aug 14, 2026

CUSTOM INDEX SYSTEMS, LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Quantum Portfolio Management LLC made a return of 8.32% in the last quarter. In trailing 12 months, it's portfolio return was 15.52%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
hewlett packard enterprise c1,897,100
universal display corp836,633
kroger co710,673
first tr exchange-traded fd603,629
ishares tr529,097
valero energy corp448,999
procure etf trust ii430,442
applied matls inc408,495
New stocks bought by CUSTOM INDEX SYSTEMS, LLC

Additions

Ticker% Inc.
carvana co495
roku inc318
ishares tr312
ishares tr278
chord energy corporation206
global x fds122
ryder sys inc72.19
analog devices inc67.87
Additions to existing portfolio by CUSTOM INDEX SYSTEMS, LLC

Reductions

Ticker% Reduced
sensata technologies hldg pl-56.44
amcor plc-53.97
dow hldgs inc-52.14
shopify inc-50.33
f n b corp-44.37
aon plc-40.27
vanguard scottsdale fds-39.83
primo brands corporation-38.83
CUSTOM INDEX SYSTEMS, LLC reduced stake in above stock

Sold off

None of the stocks were completely sold off by CUSTOM INDEX SYSTEMS, LLC

Sector Distribution

Quantum Portfolio Management LLC has about 37% of it's holdings in Others sector.

  • Others
  • Technology
  • Industrials
  • Financial Services
  • Communication Services
  • Consumer Cyclical
  • Healthcare
  • Energy
  • Utilities
  • Real Estate
  • Consumer Defensive
  • Basic Materials
Sector%
Others37
Technology22.5
Industrials8.2
Financial Services6.1
Communication Services6
Consumer Cyclical5
Healthcare3.4
Energy3.4
Utilities3.1
Real Estate2
Consumer Defensive1.8
Basic Materials1.5

Market Cap. Distribution

Quantum Portfolio Management LLC has about 52.7% of it's portfolio invested in the large-cap and mega-cap stocks.

  • UNALLOCATED
  • LARGE-CAP
  • MEGA-CAP
  • MID-CAP
Category%
UNALLOCATED37
LARGE-CAP27.1
MEGA-CAP25.6
MID-CAP9.7

Stocks belong to which Index?

About 49.2% of the stocks held by Quantum Portfolio Management LLC either belong to S&P 500 or RUSSELL 2000 index.

  • Others
  • S&P 500
  • RUSSELL 2000
Index%
Others50.8
S&P 50043.4
RUSSELL 20005.8
Top 5 Winners (%)%
MU
micron technology inc
220.8 %
AMD
advanced micro devices inc
183.8 %
WDC
western digital corp
135.2 %
STX
seagate technology hldngs pl
134.8 %
LRCX
lam research corp
102.1 %
Top 5 Winners ($)$
MU
micron technology inc
3.9 M
LRCX
lam research corp
2.0 M
AAPL
apple inc
1.8 M
AGX
argan inc
1.7 M
NVDA
nvidia corporation
1.2 M
Top 5 Losers (%)%
AMPS
ishares tr
-71.0 %
CVNA
carvana co
-68.8 %
IJR
ishares tr
-60.6 %
ACN
accenture plc ireland
-35.8 %
UI
ubiquiti inc
-32.4 %
Top 5 Losers ($)$
IJR
ishares tr
-6.2 M
AMPS
ishares tr
-1.7 M
CVNA
carvana co
-0.6 M
CHRD
chord energy corporation
-0.4 M
FIVE
five below inc
-0.4 M

CUSTOM INDEX SYSTEMS, LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of CUSTOM INDEX SYSTEMS, LLC

Quantum Portfolio Management LLC has 522 stocks in it's portfolio. About 23.1% of the portfolio is in top 10 stocks. IJR proved to be the most loss making stock for the portfolio. MU was the most profitable stock for Quantum Portfolio Management LLC last quarter.

$278.20MTotal Value
500Positions
14 Aug, 2026Last Reported
Current holdings of Current Stock Holdings of CUSTOM INDEX SYSTEMS, LLC, last reported on 14 Aug, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
1.76%64,031
$4.90M
1.76%
decreased 15.89 percentreduced
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
0.78%52,099
$2.16M
0.78%
increased 29 percentadded
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
0.21%28,152
$576.8K
0.21%
increased 13.49 percentadded
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
0.2%2,297
$556.8K
0.2%
decreased 1.42 percentreduced
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
0.15%3,262
$405.9K
0.15%
decreased 0.43 percentreduced
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
0.1%3,589
$287.0K
0.1%
increased 20.48 percentadded
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
0.07%1,404
$198.9K
0.07%
new position
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
0.01%395
$30.1K
0.01%
new position
AAXJ
Ishares Tr

Ishares Tr

AAXJ
CUSTOM INDEX SYSTEMS, LLC's holding in Ishares Tr over time
0.01%227
$24.4K
0.01%
new position
ACES
Alps Etf Tr

Alps Etf Tr

ACES
CUSTOM INDEX SYSTEMS, LLC's holding in Alps Etf Tr over time
0.39%21,109
$1.09M
0.39%
increased 1.37 percentadded
ACES
Alps Etf Tr

Alps Etf Tr

ACES
CUSTOM INDEX SYSTEMS, LLC's holding in Alps Etf Tr over time
0.04%2,804
$106.8K
0.04%
new position
ACIO
Etf Ser Solutions

Etf Ser Solutions

ACIO
CUSTOM INDEX SYSTEMS, LLC's holding in Etf Ser Solutions over time
0.5%8,429
$1.39M
0.5%
increased 21.81 percentadded