WorldQuant, LLC is an international hedge fund and quantitative investment management firm[5][6][7] headquartered in Old Greenwich, Connecticut.

[9] Prior to forming WorldQuant, its Belarus-born[15] founder Igor Tulchinsky (* 1966[16]) had worked at Millennium as a portfolio manager since 1995.

Explains the Wall Street Journal, "A separate team focused on portfolio construction and management sorts through and combines [the trading signals], turning them into models.

[11] The platform also allowed managers to retain the rights to their algorithms, a detail that Bloomberg said was "rare in the industry" and "could help WorldQuant compete for the top minds.

[10] Although WorldQuant has never published performance numbers publicly, the Wall Street Journal reported in 2017 that the firm had "never had a down year.

[5] The year prior, WorldQuant had settled out of court on a breach of contract suit concerning a former head of its data strategies.

Portfolio managers then construct strategies by using the alphas as building blocks, depending on which the current market environment favors, swapping out ones that may have lost their edge.

"[7] By April 2017 the company had analyzed new data sets, including items varying from shipping statistics to credit card receipts to parking lot traffic to market pricing data, creating and compiling 4 million alphas in a central repository[5][7] called the "Alpha Factory".

[25][26] Organized separately from WorldQuant[17] as Tulchinsky's own angel investment fund, the firm's focus is on data and finance companies[25] in "everything from artificial intelligence to water management.