FMR reports 5.5% Hesai Group (NASDAQ: HSAI) stake

Rhea-AI Filing Summary

FMR LLC and Abigail P. Johnson report passive ownership of Hesai Group’s Class B common stock. As of December 31, 2025, they beneficially owned 7,072,430.52 Class B shares, representing 5.5% of the class.

FMR LLC has sole voting power over 7,015,078.72 shares and sole dispositive power over 7,072,430.52 shares, with no shared powers. Abigail P. Johnson holds sole dispositive power over 7,072,430.52 shares. The securities are certified as held in the ordinary course of business and not to change or influence control of Hesai Group.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

HESAI GROUP

(Name of Issuer)

CLASS B COMMON STOCK

(Title of Class of Securities)

G4417G106

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. G4417G106

1

Names of Reporting Persons

FMR LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 7,015,078.72
6	Shared Voting Power 0.00
7	Sole Dispositive Power 7,072,430.52
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,072,430.52

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.5 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. G4417G106

1

Names of Reporting Persons

Abigail P. Johnson

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 7,072,430.52
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,072,430.52

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.5 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: HESAI GROUP
(b)	Address of issuer's principal executive offices: 1588 ZHUGUANG ROAD,9TH FLOOR, BUILDING L2-B,SHANGHAI,F4,201702
Item 2.
(a)	Name of person filing: FMR LLC
(b)	Address or principal business office or, if none, residence: 245 Summer Street, Boston, Massachusetts 02210
(c)	Citizenship: Not applicable
(d)	Title of class of securities: CLASS B COMMON STOCK
(e)	CUSIP No.: G4417G106
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 7072430.52
(b)	Percent of class: 5.5 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Please see the responses to Items 5 and 6 on the cover page.
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 7072430.52
	(iv) Shared power to dispose or to direct the disposition of: 0.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. One or more other persons are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the CLASS B COMMON STOCK of HESAI GROUP. No one other person's interest in the CLASS B COMMON STOCK of HESAI GROUP is more than five percent of the total outstanding CLASS B COMMON STOCK.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See attached Exhibit 99.
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

FMR LLC

Signature:	Stephanie J. Brown
Name/Title:	Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Date:	02/04/2026

Abigail P. Johnson

Signature:	Stephanie J. Brown
Name/Title:	Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**
Date:	02/04/2026

Comments accompanying signature: * This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FMR LLC on January 10, 2023, accession number: 0000315066-23-000003. ** This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FMR LLC on January 31, 2023, accession number: 0000315066-23-000038.

Exhibit Information

Please see Exhibit 99 for 13d-1(k) (1) agreement.

FAQ

What stake does FMR LLC report in Hesai Group (HSAI)?

FMR LLC reports beneficial ownership of 7,072,430.52 Hesai Group Class B common shares, representing 5.5% of that class. This puts FMR above the 5% threshold that requires a Schedule 13G/A disclosure for significant institutional investors under U.S. securities regulations.

Who are the reporting persons in this Hesai Group Schedule 13G/A?

The reporting persons are FMR LLC and Abigail P. Johnson. FMR LLC is the institutional investment manager, while Johnson, a U.S. citizen, is listed with sole dispositive power over the same 7,072,430.52 Class B shares reported as beneficially owned in the filing.

What percentage of Hesai Group’s Class B shares do FMR and Abigail Johnson own?

They report beneficial ownership of 5.5% of Hesai Group’s Class B common stock. This percentage is based on 7,072,430.52 Class B shares and triggers the requirement to file a Schedule 13G/A as a holder of more than five percent of the class.

What voting and dispositive powers does FMR LLC have over Hesai Group shares?

FMR LLC has sole voting power over 7,015,078.72 Hesai Group Class B shares and sole dispositive power over 7,072,430.52 shares, with no shared voting or dispositive power. This means FMR alone directs most voting and all disposition decisions for the reported holdings.

How is Abigail P. Johnson’s ownership in Hesai Group characterized?

Abigail P. Johnson is reported with sole dispositive power over 7,072,430.52 Hesai Group Class B shares and no voting power. She shares the same 5.5% beneficial ownership figure as FMR LLC, reflecting control over disposition rather than direct voting authority.

Is FMR’s Hesai Group position intended to influence control of the company?

The certification states the securities were acquired and are held in the ordinary course of business, not for changing or influencing control of Hesai Group. It also notes they are not held in connection with any transaction having that control-related purpose or effect.

What is the date of the reportable event for FMR’s Hesai Group holdings?

The date of the event requiring the Schedule 13G/A filing is December 31, 2025. That date is when the beneficial ownership level, at 7,072,430.52 Class B shares or 5.5% of the class, triggered the obligation to report under Section 13(d) rules.