SCIENCE/TECHNOLOGY

Microsemi Stake: A Baltimore investment partnership has increased its stake in Microsemi, a Santa Ana semiconductor manufacturer, from 5% to 7.26%.

According to a filing with the Securities and Exchange Commission, Emerging Growth Partners bought 170,000 Microsemi shares for $1.23 million between Dec. 13 and Dec. 21 for prices ranging between $2.37 and $2.87 per share. The Baltimore investment group now holds 545,000 shares of Microsemi stock.

In the past 52 weeks, Microsemi’s stock has traded as high as $7.125 and as low as $1.75 per share.

The Santa Ana firm manufactures microchips for military, aerospace and medical electronics applications.