"portfolio exposure" is correct and usable in written English.
You could use it to describe a situation in which someone has investments in a variety of different businesses or assets. For example, you could say "The investor increased his portfolio exposure by purchasing stock in a second tech company."
"Our portfolio exposure today is almost equally balanced between the more developed economies and the newer growth regions".
If you don't already have it, consider meaningful portfolio exposure to Treasury bonds.
If your purpose is to hedge portfolio exposure, make sure you short something that is not correlated to the rest of your holdings.
We show that an optimal VaR-CR regulation allows the regulator on the one hand, to completely eliminate the exposure to the largest losses, which may jeopardize the existence of the institution, and on the other hand, to restrain the portfolio exposure to all other losses.
It's the money coming into the market from long-term investors like pension funds, whose managers now believe that a well-diversified portfolio requires exposure to commodities.
"We think that in moderation, in a well-diversified portfolio, getting exposure to what we call 'real assets' is useful," said Richard Fullmer, an asset allocation strategist at T. Rowe Price.
The mild panic in Japan, where the Nikkei fell 6% over two days after a police raid on the iconic internet firm Livedoor, had the predictable effect on the portfolio's exposure to JP Morgan Fleming Japanese investment trust, which I'm using as a vehicle for a bet on Japan in general.
There's another benefit to both employee and company when we give highly talented people at our portfolio companies exposure to other great people in the industry: both sides learn and adapt faster.
An editorial shoot may earn a model up to $150, but working with a prominent photographer, padding a portfolio and exposure in a well-respected magazine is worth more than cash.
A diversified portfolio has exposure to the domestic stock market, the foreign stock market and the bond market.
Catastrophe modeling for earthquakes is conventionally designed as a probabilistic model to estimate the losses based on risk and vulnerability of a portfolio of exposures for a foreseeable set of events.
