EP Wealth Advisors LLC lessened its stake in Clean Harbors, Inc. (NYSE:CLH – Free Report) by 5.7% in the first quarter, according to its most recent 13F filing with the Securities & Exchange Commission. The institutional investor owned 1,190 shares of the business services provider’s stock after selling 72 shares during the quarter. EP Wealth Advisors LLC’s holdings in Clean Harbors were worth $235,000 at the end of the most recent quarter. Othe…