The phrase "substantial position in" is correct and usable in written English.
It is typically used to describe someone or something having a significant or influential role within a certain context or field. Example: "John held a substantial position in the company, making him a key decision-maker."
A month earlier, Slim had taken a substantial position in the Times Company.
A few years ago, I was interviewing a candidate for a substantial position in our firm.
maintains a substantial position in outstanding swaps in any major swap category as determined by the Commission.
The study was made after Jana Partners, an activist hedge fund that amassed a substantial position in Qualcomm stock, formally asked Qualcomm to consider the split in April, along with cost-cutting and changes in executive compensation, among other things.
In 2010, he said he acquired a "substantial position in the company" and used it to persuade management to sell assets, closing a funding shortfall and slowing land purchases.
Through his brother Marty, who worked in body engineering at Ford, he made contact with a man named John Ciupak, who he believed "had a substantial position in windshield wipers," and Ciupak said he should come over to the engineering complex in Dearborn, Ford's headquarters.
Insiders may retain substantial positions in a firm to show their good faith.
Mr. Colt bought substantial positions in thinly traded micro-cap stocks, then promoted them as selections on the site.
"By hiring people in pretty substantial positions in Nassau County and by filling his ranks with people from outside of Nassau County," Mr. Mondello said, "it is clear he is reaching out to people who would form a political base in a prospective run for governor".
The regulator alleges that the defendants purchased substantial positions in the physical market for West Texas Intermediate oil to give the impression of a shortage, and at the same time bought oil futures to profit from the subsequent rise in prices.
We have substantial positions in Yahoo!
