Equity

MKILX

International Fund

  • NAV as of Dec 04, 2025 $21.89
    52 WK: 17.56 - 22.27
  • 1 Day NAV Change as of Dec 04, 2025 $0.05 (0.23%)
  • NAV Total Return as of Dec 04, 2025 YTD: 13.20%

Overview

About this Fund

1. A high conviction, international stock portfolio
2. Flexible approach to finding the best opportunities
3. Seeks long-term capital growth

Investment Approach

The investment objective of BlackRock International Fund (“International Fund” or the “Fund”), a series of BlackRock Series, Inc. (the “Corporation”), is to seek long-term capital growth through investments primarily in a diversified portfolio of equity securities of companies located outside the United States.
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Performance

Performance

  1y 3y 5y 10y
Total Return (%) 5.79 17.07 5.68 6.87
Benchmark (%) 16.45 20.67 10.26 8.23
Morningstar Category Avg. (%) 15.77 20.96 10.32 7.97
Morningstar Ranking 661/679 596/645 595/611 -
Morningstar Quartile 4 4 4 4
Lipper Ranking 315/386 263/365 227/326 -
Lipper Quartile 4 3 3 -
  YTD 1m 3m 1y 3y 5y 10y
Total Return (%) 11.08 3.62 3.15 5.79 60.45 31.84 94.32
Benchmark (%) 26.02 3.60 6.89 16.45 75.73 62.95 120.46
Morningstar Category Avg. (%) 24.96 2.81 5.00 15.77 76.97 63.37 115.35
  2020 2021 2022 2023 2024
Total Return (%) 21.88 9.41 -24.22 19.80 0.47
Benchmark (%) 10.65 7.82 -16.00 15.62 5.53
Morningstar Category Avg. (%) 9.30 9.72 -15.84 16.25 4.85

Performance is shown after deduction of ongoing charges. Any entry and exit charges are excluded from the calculation.

The performance quoted represents past performance and does not guarantee future results. Investment return and principal value of an investment will fluctuate so that an investor's shares, when sold or redeemed, may be worth more or less than the original cost. Current performance may be lower or higher than the performance quoted.

The performance information for periods prior to January 25, 2018, the commencement of operations of the share class, shows the performance of the Fund’s Institutional Shares. The performance of this share class would be substantially similar to Institutional Shares because this share class and Institutional Shares invest in the same portfolio of securities and performance would only differ to the extent that this share class and Institutional Shares have different expenses. See the Fund’s prospectus for more details.

Click here for historical distribution data and here for upcoming distribution estimates

Key Facts

Key Facts

Size of Fund (Millions)
as of Dec 04, 2025
$1,147.7 M
Share Class launch date
Jan 25, 2018
Benchmark Index
MSCI ACWI ex-US Index (Net)
Lipper Classification
International Large-Cap Growth
Max Offer Price
as of Dec 04, 2025
$21.89
Turnover Percent in the Annual Report
as of May 31, 2025
95%
Size of Class (Millions)
as of Dec 04, 2025
$224.0 M
Asset Class
Equity
Morningstar Category
Foreign Large Blend
CUSIP
09248G503
Open to New Investors
Yes

Portfolio Characteristics

Portfolio Characteristics

Number of Holdings
as of Oct 31, 2025
43
P/E Ratio - Forward
as of Oct 31, 2025
17.78
Average Market Cap (Millions)
as of -
-
Fund Standard Deviation (3y)
as of Nov 30, 2025
14.82
Best 3-Month Return Over the Last 3 Years
3 months ending Jan 31, 2024
14.46%
Active Share
as of Oct 31, 2025
83.41%
P/B Ratio
as of Oct 31, 2025
2.54
Alpha (3y)
as of Nov 30, 2025
-0.63
R-Squared (3y)
as of Nov 30, 2025
84.65
Beta (3y)
as of Nov 30, 2025
1.16
Worst 3-Month Return Over the Last 3 Years
3 months ending Oct 31, 2023
-12.98%

This information must be preceded or accompanied by a current prospectus. For standardized performance, please see the Performance section above.

Fees

Fees

as of current prospectus
Gross Expense Ratio 0.64%
Net Expense Ratio 0.62%

Net Expense Ratio excluding Investment Related Expenses is 0.61%

  • Acquired Fund Fees and Expenses 0.00%
  • Interest expense 0.01%

Ratings

Ratings

Lipper Leader

 
 
Overall Lipper Leaders ratings based on an equal-weighted average of percentile ranks for each measure over 3-, 5-, and 10-year periods (if applicable) and do not take into account the effects of sales charges for these categories (Consistent Return, Preservation, Total Return, Expense, and Tax Efficiency) as of Sep 30, 2025 out of 365, 12,058, 365, 224 and 365 Funds, respectively in Lipper's International Large-Cap Growth classification.

Holdings

Holdings

as of Oct 31, 2025
Name Weight (%)
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD 6.02
SHELL PLC 4.20
SAP SE 3.39
TENCENT HOLDINGS LTD 3.24
FINECOBANK BANCA FINECO SPA 3.05
Name Weight (%)
SONY GROUP CORP 3.02
ASTRAZENECA PLC 3.00
KONINKLIJKE KPN NV 2.96
L AIR LIQUIDE SA POUR L ETUDE ET L EXPLO DES PROCEDES GEORGES CLAUDE SA 2.94
ASSA ABLOY AB 2.75
Name Market Value Weight (%) Shares
Detailed Holdings and Analytics
Holdings are subject to change. Fund holdings and allocations shown are unaudited, and may not be representative of current or future investments. The Fund is actively managed and its details, holdings and characteristics will vary. Holdings shown should not be deemed as a recommendation to buy or sell securities. The user relies on this data at its own risk and neither BlackRock nor any other party makes any representations or express or implied warranties (which are expressly disclaimed) nor shall they incur any liability for any errors or omissions in the data.

Exposure Breakdowns

Exposure Breakdowns

as of Oct 31, 2025

% of Market Value

Type Fund Benchmark Net
as of Oct 31, 2025

% of Market Value

Type Fund Benchmark Net
as of Oct 31, 2025

% of Market Value

Type Fund Benchmark Net
as of Oct 31, 2025

% of Market Value

Type Fund Benchmark Net
Negative weightings may result from specific circumstances (including timing differences between trade and settle dates of securities purchased by the funds) and/or the use of certain financial instruments, including derivatives, which may be used to gain or reduce market exposure and/or risk management.

Allocations are subject to change.

Portfolio Managers

Portfolio Managers

Olivia Treharne, CFA
Olivia Treharne, CFA

Managing Director and co-Portfolio Manager on the Global Core Equity team.

Read More

Olivia Treharne, CFA, Managing Director, is co-Portfolio Manager for the Global Dividend, International Dividend and Global Long-Horizon strategies on the Global Core Equity team. She sits on the team's Leadership Committee and also provides research analyst coverage, primarily of the financials sector. Olivia has 14 years of industry experience and has been co-PM on the Global and International Dividend strategies for over three years. She was named as a portfolio manager in recognition of her experience as well as her significant contributions to the Global Core Equity team as a research analyst.

 

Olivia graduated from Cambridge University with degree in Economics and also holds a Masters in Economic and Social History from Oxford University.

Stephen Andrews
Stephen Andrews
Molly Greenen, CFA
Molly Greenen, CFA

Director and co-Portfolio Manager on the Global Core Equity team.

Read More

Molly Greenen, CFA, Director, is co-Portfolio Manager for the Global Dividend, International Dividend and Global Long-Horizon strategies on the Global Core Equity team. She sits on the team's Leadership Committee and also provides research analyst coverage, primarily of the industrials and materials sectors. Molly has 11 years of industry experience and was named co-PM of the Global Long-Horizon Equity strategy in February 2020 in recognition of her significant contributions to the strategy's investment process and performance. She joined BlackRock in 2013 through our graduate program, during which time she worked with both the Global Equity team and the European Equity team.

 

As one of the most senior investors on the Global Core Equity team, Molly had an instrumental role in the development of the Global Long-Horizon strategy.

 

Molly earned a MA (Hons) degree in Business Studies and Accounting from the University of Edinburgh in 2013.

Portfolio Manager

This fund does not seek to follow a sustainable, impact or ESG investment strategy. For more information regarding the fund's investment strategy, please see the fund's prospectus or, as applicable, shareholder report.

Literature

Literature

 

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Carefully consider the Funds' investment objectives, risk factors, and charges and expenses before investing. This and other information can be found in the Funds' prospectuses or, if available, the summary prospectuses, which may be obtained by visiting the iShares ETF and BlackRock Fund prospectus pages. Read the prospectus carefully before investing. Investing involves risk, including possible loss of principal.

The Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

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USR-9694