VOYA INVESTORS TRUST Voya Large Cap Growth Portfolio (the “Portfolio”)

Supplement dated July 31, 2026

to the Portfolio’s Class ADV, Class I, Class R6, Class S,

and Class S2 Shares’ Prospectus, dated May 1, 2026, as supplemented (the “Prospectus”)

Effective immediately, the Prospectus is revised as follows:

1.The first paragraph of the sub-section entitled “How to Buy and Sell Shares - Distribution Plans and Shareholder Service Plans” is deleted in its entirety and replaced with the following:

Each Portfolio listed in the table below has a distribution and shareholder service plan (the “12b- 1 Plan”) in accordance with Rule 12b-1 under the 1940 Act for Class ADV shares. Payments are made to the Distributor on an ongoing basis as compensation for services the Distributor provides and expenses it bears in connection with the marketing and other fees to support the sale and distribution of the Class ADV shares and for shareholder services provided by securities dealers (including the Investment Adviser) and other financial intermediaries and plan administrators that provide administrative services relating to Class ADV shares and their shareholders, including Variable Contract owners or Qualified Plan participants with interests in the Portfolios. The annual distribution and shareholder service fees under the 12b-1 Plan may equal up to 0.60% (0.35% for distribution fees and 0.25% for shareholder service fees) of the average daily net assets of each Portfolio except Voya Large Cap Growth Portfolio and Voya U.S. Stock Index Portfolio. The annual distribution and shareholder service fees under the 12b-1 Plan may equal up to 0.50% (0.25% for distribution fees and 0.25% for shareholder service fees) of the average daily net assets of Voya Large Cap Growth Portfolio, and the annual distribution and shareholder service fees under the 12b-1 Plan may equal up to 0.53% (0.28% for distribution fees and 0.25% for shareholder service fees) of the average daily net assets of Voya U.S. Stock Index Portfolio.

2.The line item with respect to the Portfolio in the table in the sub-section of the Prospectus entitled “How to Buy and Sell Shares - Distribution Plans and Shareholder Service Plans” is deleted and replaced with the following:

Portfolio

Class ADV

Class S

Class S2

Voya Large Cap Growth Portfolio

0.50%

0.25%

0.40%

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE


VOYA INVESTORS TRUST Voya Large Cap Growth Portfolio (the “Portfolio”)

Supplement dated July 31, 2026

to the Portfolio’s Class ADV, Class I, Class R6, Class S, and Class S2 Shares’ Statement of Additional Information, dated May 1, 2026, as supplemented

(the “SAI”)

Effective immediately, the SAI is revised as follows:

 

The table in the section of the SAI entitled “Distribution and/or Shareholder Service Plans” is deleted in its entirety and replaced with the following:

 

 

 

 

Combined

 

 

 

 

Distribution and

 

 

 

Shareholder

Shareholder

Portfolio

Type of Plan

Distribution Fee

Service Fee

Service Fee

All Portfolios (except Voya Large Cap Growth Portfolio and Voya U.S. Stock Index Portfolio)

Class ADV

Distribution and

0.35%

0.25%

N/A

 

Shareholder

 

 

 

 

Service Plan

 

 

 

Class S

Shareholder

N/A

0.25%

N/A

 

Service Plan

 

 

 

Class S2

Distribution Plan

0.15%

N/A

N/A

 

Shareholder

N/A

0.25%

N/A

 

Service Plan

 

 

 

Voya Large Cap Growth Portfolio

 

 

 

Class ADV

Distribution and

0.25%

0.25%

N/A

 

Shareholder

 

 

 

 

Service Plan

 

 

 

Class S

Shareholder

N/A

0.25%

N/A

 

Service Plan

 

 

 

Class S2

Distribution Plan

0.15%

N/A

N/A

 

Shareholder

N/A

0.25%

N/A

 

Service Plan

 

 

 

Voya U.S. Stock Index Portfolio

 

 

 

Class ADV

Distribution and

0.28%

0.25%

N/A

 

Shareholder

 

 

 

 

Service Plan

 

 

 

Class S

Shareholder

N/A

0.25%

N/A

 

Service Plan

 

 

 

Class S2

Distribution Plan

0.15%

N/A

N/A

 

Shareholder

N/A

0.25%

N/A

 

Service Plan

 

 

 

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE