iShares U.S. Aggregate Bond Index Fund Class K (WFBIX)

NASDAQ · Mutual Fund · Delayed Price · Currency is USD
8.99
-0.01 (-0.11%)
At close: May 18, 2026
Fund Assets3.64B
Expense Ratio0.05%
Min. Investment$5,000,000
Turnover93.00%
Dividend (ttm)0.35
Dividend Yield3.92%
Dividend Growth6.13%
Payout FrequencyMonthly
Ex-Dividend DateApr 30, 2026
Previous Close9.00
YTD Return-0.79%
1-Year Return4.39%
5-Year Return3.69%
52-Week Low8.88
52-Week High9.30
Beta (5Y)0.25
Holdings9721
Inception DateJul 2, 1993

About WFBIX

The iShares U.S. Aggregate Bond Index Fund Class K is an open-end mutual fund focused on tracking the total return performance of the Bloomberg U.S. Aggregate Bond Index. Its primary objective is to offer broad-based exposure to the U.S. investment-grade bond market, encompassing U.S. Treasury securities, agency mortgage-backed debt, and corporate bonds. The fund implements a passively managed strategy, typically allocating at least 90% of its assets to securities included in the benchmark index, resulting in a highly diversified portfolio with thousands of holdings. With a low expense ratio and institutional share class structure, this fund appeals to investors seeking efficient, cost-effective fixed income exposure. Notable features include monthly income distributions and significant positions in U.S. government and agency securities, alongside corporate debt from major financial institutions. As one of the core holdings in many bond portfolios, the fund serves a key role in providing broad market coverage, stability, and income generation within the fixed income sector.

Fund Family BlackRock
Category Intermediate Core Bond
Performance Rating Average
Risk Rating Average
Stock Exchange NASDAQ
Ticker Symbol WFBIX
Share Class Class K Shares
Index Bloomberg U.S. Aggregate Bond TR

Performance

WFBIX had a total return of 4.39% in the past year, including dividends. Since the fund's inception, the average annual return has been 4.17%.

Dividend History

Ex-DividendAmountPay Date
Apr 30, 2026$0.02981May 1, 2026
Mar 31, 2026$0.03017Apr 1, 2026
Feb 27, 2026$0.02867Feb 27, 2026
Jan 30, 2026$0.03002Feb 2, 2026
Dec 31, 2025$0.02993Jan 2, 2026
Nov 28, 2025$0.02937Dec 1, 2025
Full Dividend History