The Top Holding for CalPERS, America's Largest Public Pension Fund, Is the Closest Thing You'll Find to a Guaranteed Investment on Wall Street
The No. 1 position for the California Public Employees' Retirement System (CalPERS) hasn't lost money on a rolling 20-year basis dating back more than a century.

There's nothing more important to investors than data -- and they're rarely, if ever, lacking for it on Wall Street. Between earnings reports, regular U.S. economic data releases, and Donald Trump's administration changing its tune on tariff and trade policy on a seemingly regular basis, there's always something for investors to dive into and learn.
May 15 marked one of these pivotal data releases for investors.
No later than 45 calendar days following the end to a quarter, institutional investors managing at least $100 million are required to file Form 13F with the Securities and Exchange Commission. A 13F provides a snapshot for investors that allows them to see which stocks, exchange-traded funds (ETFs), and (select) options contracts Wall Street's most-prominent money managers have been buying and selling. It's a nice way to uncover which securities and trends are piquing the attention of big-money investors.