WFBIX Fees and Costs — iShares U.S. Aggregate Bond Index Fund, Class K
Data updated: 2026-08-25
The net expense ratio is 0.05%: a 0.04% management fee plus 0.01% other expenses. There are no sales loads or redemption fees. Portfolio turnover was 93%.
WFBIX Fees and Expenses
Annual operating expenses and sales charges of WFBIX. Prospectus, as of December 31, 2025.
| Annual operating expenses | |
|---|---|
| Management fee | 0.04% |
| 12b-1 fee | 0.00% |
| Other expenses | 0.01% |
| Gross expense ratio | 0.05% |
| Fee waiver | — |
| Net expense ratio | 0.05% |
| Sales charges | |
|---|---|
| Max front load | — |
| Max deferred load | — |
| Redemption fee | — |
| Expense limitation in place (N-CEN) | Yes |
| Fees waived or reduced during the year | Yes |
| Waived fees subject to recoupment | No |
WFBIX Costs Over Time
On $10,000 invested in WFBIX, assuming 5% a year before costs, total costs come to $32 over 5 years, cutting the return by 0.05% a year. Illustration, not a forecast: it assumes today's net expense ratio throughout (a fee waiver may end).
| $10,000 invested | Sell after 1 year | Sell after 3 years | Sell after 5 years |
|---|---|---|---|
| Value before costs | $10,500 | $11,576 | $12,763 |
| Fund expenses (net expense ratio 0.05%) | $5 | $17 | $29 |
| Lost growth on money paid in costs | $0 | $1 | $3 |
| Total costs | $5 | $17 | $32 |
| Value after costs | $10,495 | $11,559 | $12,731 |
| Impact on return, per year | 0.05% | 0.05% | 0.05% |
WFBIX Trading Costs
Brokerage costs reported on SEC Form N-CEN for the fiscal year ending December 31, 2025.
- Explicit cost rate (commissions ÷ average net assets): —
- Total broker commissions: —
- Bought from dealers (principal trades, not a cost): —
- Portfolio turnover (prospectus): 93%
- Securities on loan, average value: $0
- Net income from securities lending: $408K (0.012% of average net assets)
iShares U.S. Aggregate Bond Index Fund Share Classes
Net expense ratio and maximum front-end load of each share class, cheapest first.
| Ticker | Class | Net expense ratio | Front load |
|---|---|---|---|
| WFBIX | Class K | 0.05% | — |
| C000099167 | Institutional Class | 0.10% | — |
| C000099166 | Investor A | 0.35% | — |
| C000201953 | Investor P | 0.35% | 4.00% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.