As of my last knowledge update in September 2021, I can provide you with some insights into recent mergers and acquisitions (M&A) involving major tech giants. Keep in mind that the landscape of M&A deals in the tech industry is continually evolving, and there may have been significant developments since then. Here are some notable M&A activities involving major tech companies up to that point:

1. Microsoft:

In 2020, Microsoft acquired ZeniMax Media, the parent company of video game publisher Bethesda Softworks. This acquisition expanded Microsoft’s presence in the gaming industry.

Microsoft also made an attempt to acquire TikTok’s operations in the United States, which ultimately did not materialize.

2. Amazon:

In 2020, Amazon acquired Zoox, an autonomous vehicle company, signaling its interest in the self-driving car industry.

Amazon also acquired MGM Studios in 2021, giving the company access to a vast library of film and television content.

3. Apple:

In 2020, Apple acquired Vilynx, an AI startup focused on improving the company’s machine learning and AI capabilities.

Apple frequently acquires smaller technology companies to enhance its hardware and software offerings.

4. Alphabet (Google):

Google has a history of acquiring numerous companies across various industries. In 2021, Google announced plans to acquire Fitbit, a wearable fitness technology company.

Google also invested in ADT, a home security company, to integrate its Nest smart home products with ADT’s services.

5. Facebook (Meta Platforms):

Facebook has been actively involved in M&A over the years. Notably, in 2014, it acquired WhatsApp and later Instagram.

Meta Platforms, formerly Facebook, has also made investments in virtual reality, including the purchase of Oculus VR in 2014.

6. Salesforce:

Salesforce, a leading customer relationship management (CRM) company, has been acquiring various cloud and software companies. In 2020, it acquired Slack, a popular messaging and collaboration platform.

7. Intel:

In 2020, Intel acquired Moovit, a mobility-as-a-service provider, to bolster its autonomous vehicle and transportation offerings.

Intel has also made acquisitions in the semiconductor space to maintain its position as a major chip manufacturer.

8. Nvidia:

Nvidia has made several acquisitions to expand its presence in the AI and semiconductor industries. In 2020, it announced plans to acquire ARM Holdings, a significant player in the chip design industry. This deal was under regulatory review as of my last update.

9. IBM:

IBM has a history of acquisitions, primarily in the enterprise software and cloud computing sectors. In 2019, it acquired Red Hat, a leading provider of open-source software solutions.
Please note that the landscape of tech M&A is dynamic, and new deals may have occurred since my last update. Additionally, the outcome of some of the mentioned deals may have evolved due to regulatory scrutiny or other factors. To stay up-to-date on the latest tech M&A news and developments, it’s advisable to follow reputable tech news sources and financial publications.