The phrase "are often held by" is correct and usable in written English.
It can be used to indicate that something is commonly possessed or maintained by a particular group or individual.
Example: "These beliefs are often held by members of the community who value tradition."
Alternatives: "are frequently maintained by" or "are commonly possessed by".
That these jobs are often held by people with disabilities, he said, "is simply happenstance".
These liens are often held by lenders who are also servicers on the first mortgage.
The fastest-growing jobs in the American economy are those that are often held by women.
The new council would replace the discredited Human Rights Commission, where seats are often held by well-documented human rights abusers.
At the same time, Chinese economic growth has probably raised incomes of the top 1 percent in the United States, through exports that have increased the value of companies whose shares are often held by wealthy Americans.
While the latest British Social Attitudes Survey reflected less support among the overall population for unemployment benefits, what it doesn't tell you is that these anti-welfare attitudes are often held by those most in need of a comprehensive welfare state.
This extreme opinion is often held by angry adolescents in movies.
Those with multiple conditions may find it particularly difficult, as information on them is often held by different consultants.
The form acquired widespread popularity in the early years of the 20th century, and limerick contests were often held by magazines and business houses.
Since the probe is often held by the hand of an investigator during data acquisition, any hand instability can affect the quality of acquired data and, hence, degrade the accuracy of diagnosis.
A small workpiece was often held by a strap that was tightened when the craftsman placed his foot in a loop that formed the free end and dangled beneath the table.
