Chicago Capital LLC boosted its stake in Generac Holdings Inc. (NYSE:GNRC – Free Report) by 35.9% in the second quarter, HoldingsChannel.com reports. The firm owned 3,265 shares of the technology company’s stock after buying an additional 862 shares during the period. Chicago Capital LLC’s holdings in Generac were worth $468,000 at the end of the most recent quarter. Amundi now owns 105,038 shares of the technology company’s stock worth $12,147,000 after buying an additional 7,923 shares during the period. Generac Stock Up 1.1%Shares of NYSE GNRC opened at $167.58 on Wednesday.