What Happened to ADT Inc.?
ADT Inc. has evolved from its 19th-century telegraph origins into a leading provider of smart home security solutions for residential and small business customers in the U.S. The company has strategically partnered with tech giants like Google and State Farm, focusing on integrating AI and smart home automation into its offerings, while navigating market shifts and recent cybersecurity challenges.
Quick Answer
ADT Inc. remains a prominent leader in the smart home security industry, continuously integrating advanced technologies like AI and expanding its ADT+ platform, which includes Google Nest devices. As of April 2026, the company reported solid full-year 2025 financial results with increased revenue and adjusted EPS, and announced a new share repurchase program. However, ADT also recently detected and responded to a cybersecurity incident in April 2026, affecting a limited set of customer data.
📊Key Facts
📅Complete Timeline12 events
American District Telegraph (ADT) Incorporated
Edward A. Calahan founded American District Telegraph in Baltimore, establishing the first residential security system network based on telegraph technology.
ADT Becomes a Publicly Traded Company
ADT transitioned to a publicly traded company, expanding its services to include fire alarms and security alarms.
Spun Off from Tyco International
ADT debuted as an independent public company, trading on the New York Stock Exchange (NYSE: ADT), after Tyco International split into three separate entities.
Acquired by Apollo Global Management
Apollo Global Management acquired ADT for $6.9 billion in a leveraged buyout, merging it with another home security firm, Protection 1.
Returns to Public Market (NYSE: ADT)
ADT Inc. went public again, listing on the New York Stock Exchange, following its acquisition and restructuring by Apollo Global Management.
Google Invests in ADT, Forms Strategic Partnership
Google invested $450 million in ADT for a 6.6% equity stake, initiating a long-term partnership to integrate Google's AI and Nest smart home devices into ADT's security services.
State Farm Invests $1.2 Billion
State Farm made a $1.2 billion investment in ADT, forming a strategic partnership focused on integrating smart home technology with insurance offerings.
Reports Strong Full-Year 2025 Financial Results
ADT announced full-year 2025 results, with total revenue increasing 5% to $5.1 billion and adjusted EPS up 19% to $0.89, alongside a new $1.5 billion share repurchase authorization.
Added to S&P SmallCap 600 Index
ADT was added to the S&P SmallCap 600 index, a milestone reflecting the company's strong performance and alignment with the index's criteria.
Acquires Origin AI for $170 Million
ADT acquired Origin AI, a company specializing in AI-enabled Wi-Fi sensing technology, for $170 million to enhance its AI sensing and ambient intelligence capabilities for the home.
Detects Cybersecurity Incident
ADT's cybersecurity systems detected unauthorized access to a limited set of customer and prospective customer data, including names, phone numbers, and addresses. The company initiated a forensic investigation and notified law enforcement.
Scheduled Q1 2026 Earnings Release
ADT is scheduled to release its first-quarter 2026 financial results before the market opens, with management hosting a conference call to discuss the results.
🔍Deep Dive Analysis
ADT Inc., originally founded as American District Telegraph in 1874, has a long history of innovation in security, transitioning from telegraph-based alert systems to modern smart home and business security solutions. The company became a publicly traded entity in the 1960s, was acquired by Apollo Global Management in 2016, and then went public again on the NYSE in January 2018.
A significant turning point for ADT was its strategic partnership with Google, announced in August 2020, which involved a $450 million investment from Google for a 6.6% equity stake. This collaboration aimed to integrate Google's AI and Nest smart home devices into ADT's services, enhancing its offerings like the ADT+ platform and ADT Self Setup. In 2022, State Farm also invested $1.2 billion, further strengthening ADT's balance sheet and fostering partnerships in smart home technology and insurance.
In 2025, ADT continued the rollout of its proprietary ADT+ platform, integrating professional monitoring with Google Nest and Yale devices. The company reported strong full-year 2025 results, with total revenue increasing 5% to $5.1 billion and adjusted earnings per share surging 19% to $0.89. Despite a fourth-quarter revenue miss, ADT demonstrated robust full-year cash generation, with adjusted free cash flow jumping 16% to $863 million.
Looking into 2026, ADT made a notable acquisition in February, purchasing Origin AI for $170 million. This acquisition aims to integrate Origin AI's revolutionary ambient sensing capabilities for privacy-preserving security and smart home use cases, with commercialization expected to begin in 2027. Effective February 9, 2026, ADT was also added to the S&P SmallCap 600 index. The company is scheduled to release its first-quarter 2026 financial results on April 30, 2026, with revenue estimated at $1.27 billion and EPS at $0.21.
However, ADT faced a recent challenge with a cybersecurity incident detected on April 20, 2026. The company confirmed unauthorized access to a limited set of customer and prospective customer data, including names, phone numbers, and addresses, and in some cases, dates of birth and partial Social Security numbers. ADT stated that no payment information or customer security systems were compromised and has notified impacted individuals, offering complimentary identity protection services. A hacking group, ShinyHunters, claimed responsibility, alleging more than 10 million records were stolen, though ADT maintained the scope was limited.
What If...?
Explore alternate histories. What if ADT Inc. made different choices?