Team Whistle Acquires Tiny Horse

ELEVEN SPORTS Acquires Team Whistle

March 29, 2021

Media & Entertainment

ELEVEN SPORTS has agreed to acquire New York-based sports media and entertainment company Team Whistle, expanding ELEVEN's operations into North America and strengthening its global content and distribution capabilities. The deal (subject to HSR approval) combines ELEVEN's streaming and live-sports assets with Team Whistle's social-first original content and creator network to accelerate growth and create a global sports media destination.

TBWA\Worldwide (Omnicom) Acquires Dark Horses

April 4, 2023

Marketing & Advertising

TBWA\Worldwide, part of Omnicom Group, has acquired Dark Horses, a London-based sports creative agency, to strengthen TBWA's sports and brand-experience capabilities in the UK and globally. Dark Horses, led by CEO Melissa Robertson, will bring specialist sports marketing, sponsorship and creative services to TBWA's collective.

Whistle Acquires Vertical Networks

October 3, 2019

Media & Entertainment

Whistle, a New York-based sports and entertainment media company, acquired Santa Monica-based mobile-first content studio Vertical Networks. The deal expands Whistle's mobile- and Snapchat-focused content capabilities and brings Vertical Networks' properties and team into Whistle; Vertical Networks' stockholders (including affiliates of Elisabeth Murdoch and Snap) became stockholders of Whistle.

Equine Network Acquires The Horse

April 7, 2023

Media & Entertainment

Equine Network, a tech-enabled membership services platform backed by Growth Catalyst Partners, has acquired The Horse (TheHorse.com and The Horse: Your Guide to Equine Health Care). The purchase adds The Horse’s vetted equine health content, digital library and custom marketing services to Equine Network’s information and membership offerings to expand audience reach and capability in equine health education.

Tractive Acquires Whistle from Mars Petcare

July 28, 2025

Veterinary

Tractive, the Austria‑based leader in GPS tracking and pet health insights, has acquired Whistle, the connected pet wearable brand owned by Mars Petcare. The acquisition expands Tractive’s U.S. footprint, scales its customer base, and brings Whistle’s wellness and tracking technology into Tractive’s global platform.

One10 Acquires Whistle

July 16, 2025

Software

One10 LLC has acquired Whistle, a St. Louis–based employee engagement and rewards technology company, integrating Whistle’s technology and team into One10’s incentive and recognition offerings. The deal strengthens One10’s behavioral science, data science and incentive technology capabilities and will keep Whistle employees in St. Louis under One10’s ownership (One10 is PE-backed by Bow River Capital).