Google officially becomes part of the Alphabet from today

Google’s journey, from the all-encompassing internet giant, to a streamlined and focused firm underneath the umbrella of Alphabet will be completed today.
The company has today filed a note to investors announcing it has done the necessary restructuring following August’s surprising announcement.
Friday will be the last day shares are traded under the Google name, with everything converting to Alphabet on Monday. However, the familiar stock tickers will remain in place.
Google, which now slims down its focuses on search, mail, Android, Chrome and the like, will be one of a number of new companies within the new parent company.
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pretty far afield of our main internet products contained in Alphabet
instead
Those new Alphabet companies include Life Sciences, focusing on longevity and healthcare solutions. Meanwhile, Google X, Nest, Fiber, Ventures and Capital will also operate as separate companies with their own CEO.
See also: What is Alphabet? Google’s new parent company explained
If you’re interested, here’s the announcement (via The Verge) Google made to the stock market on Friday:
“Google Inc. announced today that, pursuant to its previously announced plans to create a new public holding company, Alphabet Inc. (“Alphabet”), by implementing a holding company reorganization (the “Alphabet Merger”), it expects that the Alphabet Merger will close after the close of business on October 2, 2015.”