https://investors.rtx.com/static-files/72417fe4-a1ea-41a1-9f38-63ac04082ec5
"As a result of a subsidiary of United Technologies Corporation (“UTC”) merging with and into Raytheon Company (“Raytheon” and, such transaction, the “Merger”), all shares of Raytheon common stock have been canceled and converted into the right to receive 2.3348 shares of UTC common stock, plus cash in lieu of fractional shares (collectively, the “Merger Consideration”)."
I think this point is quite clear and would assume it's just a technical thing, but would be happy to hear from anybody who was in a similar situation before.