Latest CUSTOM INDEX SYSTEMS, LLC Stock Portfolio

CUSTOM INDEX SYSTEMS, LLC Performance:

2026 Q1: -0.08%YTD: -0.08%2025: 14.2%

Performance for 2026 Q1 is -0.08%, and YTD is -0.08%, and 2025 is 14.2%.

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

On 2026-05-01, the fund reported it's updated stock portfolio. In the 13F Holdings report, Quantum Portfolio Management LLC reported an equity portfolio of $229.6 Millions as of 31 Mar, 2026.

The top stock holdings of Quantum Portfolio Management LLC are AAPL, NVDA, IJR. The fund has invested 5.6% of it's portfolio in APPLE INC and 3.7% of portfolio in NVIDIA CORPORATION.

The fund managers got completely rid off ISHARES TR (AAXJ), KRANESHARES TRUST (BNDD) and SPDR INDEX SHS FDS (CWI) stocks. They significantly reduced their stock positions in OREILLY AUTOMOTIVE INC (ORLY), SPINNAKER ETF SERIES (FFIU) and VISA INC (V). Quantum Portfolio Management LLC opened new stock positions in ISHARES TR (AAXJ), AMCOR PLC (AMCR) and ISHARES INC (ACWV). The fund showed a lot of confidence in some stocks as they added substantially to GLOBAL X FDS (AGNG), ISHARES TR (AMPS) and SCHWAB STRATEGIC TR (FNDA).

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

Our best estimate is that Quantum Portfolio Management LLC made a return of -0.08% in the last quarter. In trailing 12 months, it's portfolio return was 16.98%.

Performance
S&P 500

New Buys

Ticker	$ Bought
ishares tr	1,718,870
amcor plc	1,465,900
ishares inc	1,343,120
franklin resources inc	941,281
loews corp	919,138
c h robinson worldwide in	851,607
halliburton co	765,725
permian resources corp	761,913

New stocks bought by CUSTOM INDEX SYSTEMS, LLC

Additions

Ticker	% Inc.
global x fds	114
ishares tr	98.31
schwab strategic tr	91.95
walmart inc	77.11
ishares tr	72.75
micron technology inc	60.64
sea ltd	60.39
aon plc	60.14

Additions to existing portfolio by CUSTOM INDEX SYSTEMS, LLC

Reductions

Ticker	% Reduced
oreilly automotive inc	-83.19
spinnaker etf series	-66.96
visa inc	-58.02
aerovironment inc	-52.09
mks inc.	-51.73
argenx se	-50.24
centerpoint energy inc	-49.46
oracle corp	-45.44

CUSTOM INDEX SYSTEMS, LLC reduced stake in above stock

Sold off

Ticker	$ Sold
kraneshares trust	-1,774,860
clearway energy inc	-1,056,150
ishares tr	-2,282,580
kroger co	-1,254,540
coupang inc	-465,077
amcor plc	-812,250
spdr index shs fds	-1,291,230
ishares inc	-568,556

CUSTOM INDEX SYSTEMS, LLC got rid off the above stocks

Sector Distribution

Quantum Portfolio Management LLC has about 39.1% of it's holdings in Others sector.

Sector	%
Others	39.1
Technology	20
Industrials	7.8
Financial Services	6
Consumer Cyclical	5.7
Communication Services	5.6
Utilities	3.6
Healthcare	3.3
Energy	3.2
Real Estate	2.1
Consumer Defensive	1.8
Basic Materials	1.7

Market Cap. Distribution

Quantum Portfolio Management LLC has about 51.4% of it's portfolio invested in the large-cap and mega-cap stocks.

Category	%
UNALLOCATED	38.9
LARGE-CAP	26.6
MEGA-CAP	24.8
MID-CAP	9.3

Stocks belong to which Index?

About 47.9% of the stocks held by Quantum Portfolio Management LLC either belong to S&P 500 or RUSSELL 2000 index.

Index	%
Others	52.1
S&P 500	42.5
RUSSELL 2000	5.4

Top 5 Winners (%)		%
PTEN	patterson-uti energy inc	70.1 %
AGX	argan inc	69.0 %
CF	cf industries hold	60.1 %
WDC	western digital corp	55.2 %
VRT	vertiv holdings co	54.4 %

Top 5 Winners ($)		$
AGX	argan inc	1.7 M
VRT	vertiv holdings co	0.5 M
AGNG	global x fds	0.4 M
LRCX	lam research corp	0.4 M
TIGO	millicom intl cellular s a	0.4 M

Top 5 Losers (%)		%
MDB	mongodb inc	-41.3 %
HOOD	robinhood mkts inc	-37.1 %
SOFI	sofi technologies inc	-36.5 %
CLF	cleveland-cliffs inc new	-36.4 %
GPK	graphic packaging hldg co	-33.4 %

Top 5 Losers ($)		$
MSFT	microsoft corp	-1.1 M
AAPL	apple inc	-0.9 M
NVDA	nvidia corporation	-0.6 M
APPF	appfolio inc	-0.5 M
SOFI	sofi technologies inc	-0.5 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 254 stocks in it's portfolio. About 24.9% of the portfolio is in top 10 stocks. MSFT proved to be the most loss making stock for the portfolio. AGX was the most profitable stock for Quantum Portfolio Management LLC last quarter.

Last Reported on: 01 May, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AAL	american airlines group inc	0.16	34,980	375,685	new

AAPL	apple inc	5.58	50,436	12,800,200	added	0.47

AAXJ	ishares tr	2.46	76,126	5,659,970	added	11.49

AAXJ	ishares tr	0.75	40,387	1,718,870	new

AAXJ	ishares tr	0.22	2,330	509,688	added	3.05

AAXJ	ishares tr	0.20	24,806	453,702	new

AAXJ	ishares tr	0.16	3,276	364,848	new

AAXJ	ishares tr	0.10	2,979	237,009	added	3.94

AAXJ	ishares tr	0.00	0.00	0.00	sold off	-100

ABC	cencora inc	0.21	1,554	488,174	new

ACES	alps etf tr	0.48	20,823	1,096,120	reduced	-37.98

ACGL	arch cap group ltd	0.28	6,752	648,124	added	20.74

ACIO	etf ser solutions	0.32	6,920	742,516	added	0.19

ACM	aecom	0.00	0.00	0.00	sold off	-100

ACN	accenture plc ireland	0.12	1,357	269,080	reduced	-1.74

ACWV	ishares inc	0.58	33,025	1,343,120	new

ACWV	ishares inc	0.00	0.00	0.00	sold off	-100

ACWV	ishares inc	0.00	0.00	0.00	sold off	-100

ACWV	ishares inc	0.00	0.00	0.00	sold off	-100

ACWV	ishares inc	0.00	0.00	0.00	sold off	-100