Company: RAIN
Filing Date: 2025-01-31
Form Type: S-1
Source: 0001213900-25-008536
Chunk: 2

Company: Rain Enhancement Technologies Holdco, Inc.
Filing Date: 2025-01-31
Form: S-1
Chunk 2
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 of the Securities Act of 1933, as amended, or until the Registration Statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.

The information in this prospectus is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.

<div align='center'>Subject to Completion
Preliminary Prospectus dated January 30, 2025.

Rain Enhancement Technologies Holdco, Inc.

5,000,000 Shares of Class A Common Stock Underlying Warrants (For Issuance)

5,914,056 Shares of Class A Common Stock (For Resale)</div>

This prospectus relates to the issuance by Rain Enhancement Technologies
Holdco, Inc. (“we”, “us”, “our”, “Holdco” and the “Company”) of 5,000,000
shares of Class A common stock, par value $0.0001 per share (the “Class A Common Stock”) of the Company upon the exercise
of 5,000,000 public warrants of the Company, with an exercise price of $11.50 per share (the “Warrants”).

This prospectus also relates to the resale from time to time by
the selling shareholders (including their transferees, donees, pledgees, and other successors-in-interest) named in this prospectus (the
“selling shareholders”) of up to 5,914,056 shares of Class A Common Stock. Such shares include: (i) 2,125,540 shares of Class
A Common Stock issued to the former shareholders of Rain Enhancement Technologies, Inc., a Massachusetts corporation (“RET”),
upon the closing of the business combination (the “Business Combination”) among the Company, RET, Coliseum Acquisition Corp.,
a Cayman Islands exempted company (“Coliseum”), Rainwater Merger Sub 1, Inc., a Cayman Islands exempted company (“Merger Sub 1”), and Rainwater Merger Sub 2A, Inc., a Massachusetts corporation (“Merger Sub 2”),as consideration for their shares of Class A common stock of RET pursuant to the terms of the Business Combination
Agreement between the Company, RET, Coliseum, Merger Sub 1, and Merger Sub 2,