Company: CWAN
Filing Date: 2025-03-31
Form Type: S-3ASR
Source: 0001193125-25-068794
Chunk: 32

Company: Clearwater Analytics Holdings, Inc.
Filing Date: 2025-03-31
Form: S-3ASR
Chunk 32
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orporated by reference to Exhibit 3.2 to Clearwater Analytics Holdings, Inc.’s Current Report on Form 8-K, filed on September 28, 2021) |
|:--------|:----|:-----------------------------------------------------------------------------------------------------------------------------------------------------|
| 5.1**   |     | Opinion of Kirkland & Ellis LLP (including consent of such firm)                                                                                     |
| 23.1**  |     | Consent of KPMG LLP                                                                                                                                  |
| 23.2**  |     | Consent of Kirkland & Ellis LLP (included in Exhibit 5.1)                                                                                            |
| 24.1**  |     | Power of Attorney (included on the signature page to this registration statement)                                                                    |
| 107**   |     | Filing Fee Table                                                                                                                                     |

| * | To be filed after effectiveness of this registration statement by an amendment to the registration statement or 
 incorporated by reference from documents filed or to be filed with the SEC under the Exchange Act.              |

| ** | Filed herewith |

II-4

SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Boise, State of Idaho, on March 31, 2025.

| CLEARWATER ANALYTICS HOLDINGS, INC. |     |                   |
| By:                                 |     | /s/ Sandeep Sahai |
| Name: Sandeep Sahai                 
 Title:  Chief Executive Officer     |     |                   |

POWER OF ATTORNEY Each person whose signature appears below constitutes and appoints Sandeep Sahai and Jim Cox and each of them singly, his or her true and lawful attorneys-in-factand agents, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) and additions to this registration statement and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto each said attorney-in-factand agents full power and authority to do and perform each and every act in person, hereby ratifying and confirming all that said attorneys-in-fact