Key Points GFS Advisors LLC has increased its stake in Tesla, Inc. by 23.4%, now holding 65,564 shares valued at approximately $20.8 million as of the last reporting period. Several other institutional investors have also made significant changes to their Tesla holdings, with notable increases of up to 250% by some firms in the first quarter. Tesla's stock recently experienced a decline of 5.1% and reported earnings that missed estimates, with a revenue decrease of 11.8% year-over-year. MarketBeat Week in Review – 09/29 - 10/03 Tesla (NASDAQ:TSLA - Get Free Report) last posted its quarterly earnings results on Wednesday, July 23rd. The electric vehicle producer reported $0.40 EPS for the quarter, missing the consensus estimate of $0.43 by ($0.03). Tesla had a net margin of 6.54% and a return on equity of 7.98%. The company had revenue of $22.50 billion for the quarter, compared to analysts' expectations of $23.18 billion. During the same quarter in the prior year, the firm earned $0.52 earnings per share. The company's revenue was down 11.8% on a year-over-year basis. Equities analysts anticipate that Tesla, Inc. will post 2.56 EPS for the current year. Insider Activity In other news, SVP Xiaotong Zhu sold 20,000 shares of the business's stock in a transaction on Thursday, September 11th. The shares were sold at an average price of $363.75, for a total transaction of $7,275,000.00. Following the transaction, the senior vice president directly owned 47,600 shares in the company, valued at $17,314,500. The trade was a 29.59% decrease in their position. The transaction was disclosed in a legal filing with the SEC, which is available at this link. Also, CFO Vaibhav Taneja sold 2,606 shares of the business's stock in a transaction on Monday, September 8th. The shares were sold at an average price of $352.38, for a total transaction of $918,302.28. Following the transaction, the chief financial officer owned 9,856 shares in the company, valued at approximately $3,473,057.28. This represents a 20.91% decrease in their ownership of the stock. The disclosure for this sale can be found here. Insiders have sold a total of 202,606 shares of company stock worth $75,588,902 in the last ninety days. Corporate insiders own 19.90% of the company's stock. Analyst Ratings Changes