BLACKROCK INDEX FUNDS, INC.
iShares Russell 2000 Small-Cap Index Fund
iShares MSCI EAFE International Index Fund
(each, a “Fund”)
Supplement dated May 16, 2025 to the Statement of Additional Information (“SAI”)
of each Fund, dated April 30, 2025, as amended or supplemented to date
Effective June 30, 2025, the following changes are made to each Fund’s SAI:
The section entitled “Management, Advisory and Other Service Arrangements — Information Regarding the Portfolio Managers” is revised as follows:
The first paragraph is deleted in its entirety and replaced with the following:
Jennifer Hsui, CFA, Matt Waldron, CFA, Peter Sietsema, CFA, and Steven White are the portfolio managers of Master Small Cap Index Series and MSCI EAFE International Index Fund and are jointly and primarily responsible for the day-to-day management of Master Small Cap Index Series and MSCI EAFE International Index Fund.
The sub-section entitled “Other Funds and Accounts Managed” is deleted in its entirety and replaced with the following:
The following table sets forth information about funds and accounts other than Master Small Cap Index Series and MSCI EAFE International Index Fund, as applicable, for which the portfolio managers are primarily responsible for the day-to-day management as of December 31, 2024.
Master Small Cap Index Series
| Number of Other Accounts Managed and Assets by Account Type |
Number of Other Accounts and Assets for Which Advisory Fee is Performance-Based | |||||||||||
| Name of Portfolio Manager |
Other Registered Investment Companies |
Other Investment Vehicles |
Other Accounts |
Other Registered Investment Companies |
Other Investment Vehicles |
Other Accounts | ||||||
| Jennifer Hsui, CFA | 352 $2.60 Trillion |
0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
| Matt Waldron, CFA | 0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
| Peter Sietsema, CFA | 70 $162.28 Billion |
3 $62.57 Million |
2 $4.02 Billion |
0 $0 |
0 $0 |
0 $0 | ||||||
| Steven White | 0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
iShares MSCI EAFE International Index Fund
| Number of Other Accounts Managed and Assets by Account Type |
Number of Other Accounts and Assets for Which Advisory Fee is Performance-Based | |||||||||||
| Name of Portfolio Manager |
Other Registered Investment Companies |
Other Investment Vehicles |
Other Accounts |
Other Registered Investment Companies |
Other Investment Vehicles |
Other Accounts | ||||||
| Jennifer Hsui, CFA | 352 $2.59 Trillion |
0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
| Matt Waldron, CFA | 0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
| Peter Sietsema, CFA | 70 $162.28 Billion |
3 $62.57 Million |
2 $4.02 Billion |
0 $0 |
0 $0 |
0 $0 | ||||||
| Steven White | 0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
The last sentence of the first paragraph of the sub-section entitled “Portfolio Manager Compensation Overview — Discretionary Incentive Compensation” is deleted in its entirety and replaced with the following:
The performance of Messrs. Waldron, Sietsema, and White and Ms. Hsui is not measured against a specific benchmark.
The sub-section entitled “Portfolio Manager Beneficial Holdings” is deleted in its entirety and replaced with the following:
The following table sets forth the dollar range of equity securities of the Fund beneficially owned by the portfolio managers as of December 31, 2024.
| Portfolio Manager |
Funds Managed | Dollar Range of Equity Securities Beneficially Owned | ||
| Jennifer Hsui, CFA | Russell 2000 Small-Cap Index Fund MSCI EAFE International Index Fund |
None None | ||
| Matt Waldron, CFA | Russell 2000 Small-Cap Index Fund MSCI EAFE International Index Fund |
None None | ||
| Peter Sietsema, CFA | Russell 2000 Small-Cap Index Fund MSCI EAFE International Index Fund |
None None | ||
| Steven White | Russell 2000 Small-Cap Index Fund MSCI EAFE International Index Fund |
None None |
Shareholders should retain this Supplement for future reference.
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