Federated Hermes reports 3.87% IDEAYA stake

Federated Hermes, Inc. filed Amendment No. 3 to a Schedule 13G reporting beneficial ownership of 3,395,771 shares of IDEAYA Biosciences, Inc. common stock, representing 3.87% of the class as of 12/31/2025.

Rhea-AI Filing Summary

Federated Hermes, Inc. filed Amendment No. 3 to a Schedule 13G reporting beneficial ownership of 3,395,771 shares of IDEAYA Biosciences, Inc. common stock, representing 3.87% of the class as of 12/31/2025. The same share amount and percentage are reported for the Voting Shares Irrevocable Trust, and for Thomas R. Donahue, Ann C. Donahue, and J. Christopher Donahue, reflecting shared or sole voting and dispositive powers as disclosed on each cover page.

Federated Hermes, the trust, and the individual filers state that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of IDEAYA. They also declare, in accordance with Rule 13d-4, that this filing should not be construed as an admission that any of them is the beneficial owner of securities held by the managed funds, and they expressly disclaim beneficial ownership of those securities. The filing indicates ownership of 5 percent or less of IDEAYA’s common stock.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake in IDEAYA Biosciences does Federated Hermes (FHI) report?

Federated Hermes, Inc. reports beneficial ownership of 3,395,771 shares of IDEAYA Biosciences, Inc. common stock, representing 3.87% of the outstanding class as of 12/31/2025.

Who are the reporting persons in this IDEAYA Biosciences Schedule 13G/A?

The reporting persons are Federated Hermes, Inc., the Voting Shares Irrevocable Trust, Thomas R. Donahue, Ann C. Donahue, and J. Christopher Donahue, each reporting on the same 3,395,771 IDEAYA common shares.

How much of IDEAYA Biosciences’ common stock is reported as owned in this filing?

Each reporting person lists an aggregate amount beneficially owned of 3,395,771 IDEAYA Biosciences common shares, which is stated as 3.87% of the class.

Do Federated Hermes and related parties admit beneficial ownership of the IDEAYA shares?

No. They state, under Rule 13d-4, that the report should not be construed as an admission that any of them is the beneficial owner of the securities held by the managed funds and they expressly disclaim beneficial ownership of such securities.

Are the IDEAYA shares held to influence control of the company?

The certification states the securities were acquired and are held in the ordinary course of business and not for the purpose of, or with the effect of, changing or influencing the control of IDEAYA Biosciences, Inc.

What does the filing say about the level of ownership relative to 5% of IDEAYA’s shares?

Under Item 5, the filing indicates ownership of 5 percent or less of the class of IDEAYA Biosciences common stock.

Who signed the Schedule 13G/A related to IDEAYA Biosciences?

Signatures include J. Christopher Donahue as President of Federated Hermes, Inc. and as Trustee of the Voting Shares Irrevocable Trust, and Thomas R. Donahue and Ann C. Donahue in their respective trustee and individual capacities, each signing on 01/08/2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 01/08/2026 - 08:15 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

IDEAYA Biosciences, Inc.

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

45166A102

(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. 45166A102

1

Names of Reporting Persons

Federated Hermes, Inc.

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

PENNSYLVANIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 3,395,771.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,395,771.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,395,771.00

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)

3.87 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. 45166A102

1

Names of Reporting Persons

Voting Shares Irrevocable Trust

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

PENNSYLVANIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 3,395,771.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 3,395,771.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,395,771.00

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)

3.87 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: In accordance with Rule 13d-4 under the Exchange Act, Federated Hermes, Inc.; the Voting Shares Irrevocable Trust; Thomas R. Donahue; Ann C. Donahue; and J. Christopher Donahue declare that this report should not be construed as an admission that any of them is the beneficial owner of the securities held by any of the Managed Funds, and each of Federated Hermes, Inc.; the Voting Shares Irrevocable Trust; Thomas R. Donahue; Ann C. Donahue; and J. Christopher Donahue expressly disclaim beneficial ownership of such securities.

SCHEDULE 13G

CUSIP No. 45166A102

1

Names of Reporting Persons

Thomas R. Donahue

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 3,395,771.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,395,771.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,395,771.00

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)

3.87 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: In accordance with Rule 13d-4 under the Exchange Act, Federated Hermes, Inc.; the Voting Shares Irrevocable Trust; Thomas R. Donahue; Ann C. Donahue; and J. Christopher Donahue declare that this report should not be construed as an admission that any of them is the beneficial owner of the securities held by any of the Managed Funds, and each of Federated Hermes, Inc.; the Voting Shares Irrevocable Trust; Thomas R. Donahue; Ann C. Donahue; and J. Christopher Donahue expressly disclaim beneficial ownership of such securities.

SCHEDULE 13G

CUSIP No. 45166A102

1

Names of Reporting Persons

Ann C. Donahue

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 3,395,771.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,395,771.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,395,771.00

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)

3.87 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: In accordance with Rule 13d-4 under the Exchange Act, Federated Hermes, Inc.; the Voting Shares Irrevocable Trust; Thomas R. Donahue; Ann C. Donahue; and J. Christopher Donahue declare that this report should not be construed as an admission that any of them is the beneficial owner of the securities held by any of the Managed Funds, and each of Federated Hermes, Inc.; the Voting Shares Irrevocable Trust; Thomas R. Donahue; Ann C. Donahue; and J. Christopher Donahue expressly disclaim beneficial ownership of such securities.

SCHEDULE 13G

CUSIP No. 45166A102

1

Names of Reporting Persons

J. Christopher Donahue

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 3,395,771.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,395,771.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,395,771.00

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)

3.87 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: In accordance with Rule 13d-4 under the Exchange Act, Federated Hermes, Inc.; the Voting Shares Irrevocable Trust; Thomas R. Donahue; Ann C. Donahue; and J. Christopher Donahue declare that this report should not be construed as an admission that any of them is the beneficial owner of the securities held by any of the Managed Funds, and each of Federated Hermes, Inc.; the Voting Shares Irrevocable Trust; Thomas R. Donahue; Ann C. Donahue; and J. Christopher Donahue expressly disclaim beneficial ownership of such securities.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: IDEAYA Biosciences, Inc.
(b)	Address of issuer's principal executive offices: 5000 Shoreline Ct, Suite 300, South San Francisco, CA 94080
Item 2.
(a)	Name of person filing: Federated Hermes, Inc.
(b)	Address or principal business office or, if none, residence: 1001 Liberty Avenue, Pittsburgh, PA 15222-3779
(c)	Citizenship: Pennsylvania
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP No.: 45166A102
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: See response to Item 9 on each cover page.
(b)	Percent of class: See response to Item 11 on each cover page.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See response to Item 5 on each cover page.
	(ii) Shared power to vote or to direct the vote: See response to Item 6 on each cover page.
	(iii) Sole power to dispose or to direct the disposition of: See response to Item 7 on each cover page.
	(iv) Shared power to dispose or to direct the disposition of: See response to Item 8 on each cover page.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
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 Exhibit "1" Attached
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.

Federated Hermes, Inc.

Signature:	/s/J. Christopher Donahue
Name/Title:	J. Christopher Donahue, as President of Federated Hermes, Inc.
Date:	01/08/2026

Voting Shares Irrevocable Trust

Signature:	/s/Thomas R. Donahue
Name/Title:	Thomas R. Donahue, as Trustee of Voting Shares Irrevocable Trust
Date:	01/08/2026

Signature:	/s/Ann C. Donahue
Name/Title:	Ann C. Donahue, as Trustee of Voting Shares Irrevocable Trust
Date:	01/08/2026

Signature:	/s/J. Christopher Donahue
Name/Title:	J. Christopher Donahue, as Trustee of Voting Shares Irrevocable Trust
Date:	01/08/2026

Thomas R. Donahue

Signature:	/s/Thomas R. Donahue
Name/Title:	Thomas R. Donahue
Date:	01/08/2026

Ann C. Donahue

Signature:	/s/Ann C. Donahue
Name/Title:	Ann C. Donahue
Date:	01/08/2026

J. Christopher Donahue

Signature:	/s/J. Christopher Donahue
Name/Title:	J. Christopher Donahue
Date:	01/08/2026

Comments accompanying signature: SEE EXHIBITS 2 AND 3 ATTACHED Exhibit Information EXHIBIT 1 ITEM 3 CLASSIFICATION OF REPORTING PERSONS EXHIBIT 2 AGREEMENT FOR JOINT FILING OF SCHEDULE 13G EXHIBIT 3 POWER OF ATTORNEY