As of 2020, Monster held 39% of the $86 billion global energy drink market, the second highest share after Red Bull.

On January 5, 2012, after energy drinks had grown to the largest source of revenue, shareholders agreed to change the name of the company from Hansen's Natural to Monster Beverage Corporation, under the new ticker MNST.

[8] In April 2008, the U.S. Food and Drug Administration ruled products containing high-fructose corn syrup could not be labeled "natural".

[10] In September 2009, Hansen brand Monster Energy sent a cease and desist letter to Rock Art Brewery, demanding the microbrewery stop selling its new Vermonster beer, drop its pursuit of a federal trademark for the name, and pay Hansen's lawyer fees.

[14] In February 2022, it was reported Monster and Constellation Brands were considering a merger which would have a combined market capitalization above $90 billion.

[16] NASCAR announced on December 1, 2016, a multi-year deal that will make Monster Energy only the third entitlement sponsor in its premier series history.

The company is expected to continue sponsoring individual drivers, including Tyler Reddick, Ty Gibbs and Riley Herbst into the future.

Professional Bull Riders Unleash the Beast Series carries a Monster Energy sponsorship.

[19] Natural Soda came in twelve flavors: Original Cola, Ginger Ale, Key Lime Twist, Cherry Vanilla Creme, Grapefruit, Kiwi Strawberry, Vanilla Cola, Mandarin Lime, Creamy Root Beer, Raspberry, Mango Orange, and Pomegranate.

[citation needed] In 2009, Monster Beverage introduced Hansen's Natural Lo-Cal 64-ounce juice cocktails, in four flavors.

Hansen's replaced the original four mascots, Uncle Froggy, Emily the Mouse, Ronald Rabbit, and Nick the Fox,[24] with Clifford the Big Red Dog.

In 2018, The Huffington Post published an article in which five women accused Monster Beverage of having an abusive and discriminatory culture.

[27] Brent Hamilton, then head of music marketing at Monster Energy, had been charged with assault for strangling and biting his girlfriend in 2016, but he wasn't let go until 2019, allegedly for sexual misconduct.

[28] Manager Phillip Deitrich regularly humiliated and boycotted a female subordinate in public, and denied her increases in compensation.

[28] In March 2018, a sixth woman came forward, accusing retired manager Ted Cook of sexual harassment, and claimed being fired for mercurial reasons.