BLACKROCK INDEX FUNDS, INC.
iShares Russell 2000 Small-Cap Index Fund
iShares MSCI EAFE International Index Fund
(each, a “Fund” and together, the “Funds”)
Supplement dated February 24, 2023 to the Statement of Additional Information (“SAI”) of the Funds, dated April 29, 2022, as supplemented to date
Effective on February 8, 2023, the following changes are made to the Funds’ 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:
Paul Whitehead, Suzanne Henige, CFA, and Jennifer Hsui, CFA, 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. On or about April 14, 2023, Suzanne Henige will no longer serve as a portfolio manager of Master Small Cap Index Series or MSCI EAFE International Index Fund.
The sub-section entitled “Other Funds and Accounts Managed — Master Small Cap Index Series” is deleted in its entirety and replaced with the following:
| 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 | ||||||
| Suzanne Henige, CFA1 | 73 $198.59 Billion |
6 $5.13 Billion |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
| Jennifer Hsui, CFA | 329 $2.12 Trillion |
58 $85.23 Billion |
44 $41.79 Billion |
0 $0 |
0 $0 |
0 $0 | ||||||
| Paul Whitehead | 0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
| 1 | On or about April 14, 2023, Suzanne Henige will no longer serve as a portfolio manager of Master Small Cap Index Series. |
The sub-section entitled “Other Funds and Accounts Managed — iShares MSCI EAFE International Index Fund” is deleted in its entirety and replaced with the following:
| 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 | ||||||
| Suzanne Henige, CFA1 | 73 $194.68 Billion |
6 $5.13 Billion |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
| Jennifer Hsui, CFA | 329 $2.11 Trillion |
58 $85.23 Billion |
44 $41.79 Billion |
0 $0 |
0 0 |
0 $0 | ||||||
| Paul Whitehead | 0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 |
0 $0 | ||||||
| 1 | On or about April 14, 2023, Suzanne Henige will no longer serve as a portfolio manager of MSCI EAFE International Index Fund. |
The last sentence of the sub-section entitled “Discretionary Incentive Compensation” is deleted in its entirety and replaced with the following:
The performance of each of Mr. Whitehead and Mses. Henige and Hsui is not measured against a specific benchmark. On or about April 14, 2023, Suzanne Henige will no longer serve as a portfolio manager of Master Small Cap Index Series or MSCI EAFE International Index Fund.
The sub-section entitled “Fund Ownership” is deleted in its entirety and replaced with the following:
As of December 31, 2021, the end of each Fund’s most recently completed fiscal year, the dollar range of securities beneficially owned by the portfolio managers in the Funds is shown below:
| Portfolio Manager | Funds Managed | Dollar Range of Equity Securities of the Funds Beneficially Owned | ||
| Paul Whitehead | Russell 2000 Small-Cap Index Fund MSCI EAFE International Index Fund |
None None | ||
| Suzanne Henige, CFA1 | Russell 2000 Small-Cap Index Fund MSCI EAFE International Index Fund |
None None | ||
| Jennifer Hsui, CFA | Russell 2000 Small-Cap Index Fund MSCI EAFE International Index Fund |
None None |
| 1 | On or about April 14, 2023, Suzanne Henige will no longer serve as a portfolio manager of the Fund. |
Shareholders should retain this Supplement for future reference.
SAI-INDEX-0223SUP
2