Quantum Portfolio Management

NEW YORK, NYfiles as Quantum Portfolio Management LLC

$278m in 522 US stocks at the end of 30 June 2026. The top 10 are 23.1% of the money. It changed about 16.4% of the portfolio this quarter.

Value
$278m
Stocks
522
Top 10 share
23.1%
Turnover
16.4%

What changed this quarter

New

Bought for the first time this quarter.

Added

Bought more of a stock they already held.

Cut

Sold some of their stake.

Holdings

Showing the largest 100 of 522.

Over time and by industry

Value over time

Jun '25
 
Dec '25
 
Jun '26

Value is up 32.8% since 30 June 2025.

Where the money is

Technology23.0%
Industrials9.8%
Financial services7.3%
Media & telecom6.7%
Health care4.4%
Retail & consumer4.3%
Energy3.5%
Utilities3.2%
Materials2.3%
Real estate2.1%
Everyday goods1.9%
Other31.6%

From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.