The California State Teachers' Retirement System is the latest prominent investor in Tesla (NASDAQ:TSLA) to go public and say it will vote against CEO Elon Musk's $56 billion pay package, CalSTRS held just under 4.7 million shares of Tesla (TSLA) as of the date of its last update of fund holdings. Notably, CalSTRS has owned a stake in Tesla (TSLA) since before it went public in 2010. Opinion on Wall Street is still divided on how the vote will shake down from Austin this week.