- CUSIP
- 091936153
- Issuer
- iShares
- Inception Date
- Aug 13, 2015
- Region
- North America (U.S.)
- Category
- Large Cap Blend Equities
- Index Tracked
- Russell 3000 Index
- Domicile
- United States
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Large-Cap
- Asset Class Style
- Blend
Share Price Chart
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Performance
BKTSX Performance Chart
iShares Total U.S. Stock Market Index Fund Class K (BKTSX) is up 10.1% since the beginning of the year. BKTSX is currently trading at $34 per share. Investors who bought $1,000 worth of BKTSX shares 5 years ago would now be looking at an investment worth $1,799.
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Returns By Period
iShares Total U.S. Stock Market Index Fund Class K (BKTSX) has returned 10.08% so far this year and 25.53% over the past 12 months. Looking at the last ten years, BKTSX has achieved an annualized return of 15.31%, outperforming the S&P 500 Index benchmark, which averaged 13.71% per year.
iShares Total U.S. Stock Market Index Fund Class K
- 1D
- -0.32%
- 1M
- 0.47%
- YTD
- 10.08%
- 6M
- 8.96%
- 1Y
- 25.53%
- 3Y*
- 21.13%
- 5Y*
- 12.46%
- 10Y*
- 15.31%
Benchmark (S&P 500 Index)
- 1D
- -1.44%
- 1M
- -1.45%
- YTD
- 7.60%
- 6M
- 6.59%
- 1Y
- 22.24%
- 3Y*
- 19.20%
- 5Y*
- 11.54%
- 10Y*
- 13.71%
BKTSX Monthly Returns History
Based on dividend-adjusted daily data since Jan 4, 2016, BKTSX's average daily return is +0.06%, while the average monthly return is +1.26%. At this rate, an investment would double in approximately 4.6 years.
Historically, 70% of months were positive and 30% were negative. The best month was Apr 2020 with a return of +13.2%, while the worst month was Mar 2020 at -13.7%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 3 months.
On a daily basis, BKTSX closed higher 53% of trading days. The best single day was Mar 24, 2020 with a return of +9.6%, while the worst single day was Mar 16, 2020 at -12.2%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1.58% | -0.48% | -5.00% | 10.22% | 5.06% | -1.02% | 10.08% | ||||||
| 2025 | 3.17% | -1.95% | -5.82% | -0.65% | 6.36% | 5.05% | 2.19% | 2.32% | 3.46% | 2.14% | 0.26% | -0.01% | 17.15% |
| 2024 | 1.09% | 5.41% | 3.21% | -4.37% | 4.69% | 3.11% | 1.91% | 2.18% | 2.05% | -0.71% | 6.64% | -3.06% | 23.83% |
| 2023 | 6.89% | -2.33% | 2.65% | 1.06% | 0.42% | 6.78% | 3.62% | -1.89% | -4.77% | -2.67% | 9.34% | 5.33% | 26.02% |
| 2022 | -5.85% | -2.53% | 3.24% | -8.96% | -0.05% | -8.32% | 9.35% | -3.67% | -9.25% | 8.20% | 5.18% | -5.84% | -19.05% |
| 2021 | -0.44% | 3.13% | 3.57% | 5.16% | 0.45% | 2.48% | 1.71% | 2.81% | -4.50% | 6.74% | -1.51% | 3.89% | 25.56% |
Benchmark Metrics
iShares Total U.S. Stock Market Index Fund Class K has an annualized alpha of 1.38%, beta of 1.01, and R2 of 0.98 versus S&P 500 Index. Calculated based on daily prices since January 04, 2016.
- This fund captured 105.31% of S&P 500 Index gains but only 98.54% of its losses - a favorable profile for investors.
- With beta of 1.01 and R2 of 0.98, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 1.38%
- Beta
- 1.01
- R²
- 0.98
- Upside Capture
- 105.31%
- Downside Capture
- 98.54%
Expense Ratio
BKTSX has an expense ratio of 0.02%, which is considered low.
Return for Risk
Risk / Return Rank
BKTSX ranks 63 for risk / return — better than 63% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iShares Total U.S. Stock Market Index Fund Class K (BKTSX) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| BKTSX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.33 | ||
| Sortino ratioReturn per unit of downside risk | +0.43 | ||
| Omega ratioGain probability vs. loss probability | 1.38 | 1.32 | +0.06 |
| Calmar ratioReturn relative to maximum drawdown | 3.03 | 2.46 | +0.57 |
| Martin ratioReturn relative to average drawdown | 13.51 | 10.92 | +2.59 |
Dividends
Dividend History
iShares Total U.S. Stock Market Index Fund Class K provided a 1.06% dividend yield over the last twelve months, with an annual payout of $0.36 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.36 | $0.35 | $0.34 | $0.32 | $0.29 | $0.35 | $0.27 | $0.33 | $0.30 | $0.28 | $0.17 |
Dividend yield | 1.06% | 1.14% | 1.27% | 1.46% | 1.64% | 1.58% | 1.51% | 2.15% | 2.49% | 2.17% | 1.54% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares Total U.S. Stock Market Index Fund Class K. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.08 | $0.00 | $0.00 | $0.08 | ||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.08 | $0.00 | $0.00 | $0.09 | $0.00 | $0.00 | $0.09 | $0.00 | $0.10 | $0.35 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.07 | $0.00 | $0.00 | $0.08 | $0.00 | $0.00 | $0.08 | $0.00 | $0.11 | $0.34 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.07 | $0.00 | $0.00 | $0.07 | $0.00 | $0.00 | $0.08 | $0.00 | $0.11 | $0.32 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.06 | $0.00 | $0.00 | $0.07 | $0.00 | $0.00 | $0.07 | $0.00 | $0.09 | $0.29 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.05 | $0.00 | $0.00 | $0.05 | $0.00 | $0.00 | $0.06 | $0.00 | $0.19 | $0.35 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the iShares Total U.S. Stock Market Index Fund Class K. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the iShares Total U.S. Stock Market Index Fund Class K was 34.97%, occurring on Mar 23, 2020. Recovery took 99 trading sessions.
The current iShares Total U.S. Stock Market Index Fund Class K drawdown is 1.47%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
COVID crash2020 | -34.97%Mar 2020 | 1mo 2d | 4mo 22d | 5mo 24dFeb 2020 - Aug 2020 |
Bear market2022 | -24.98%Oct 2022 | 9mo 11d | 1y 2mo | 1y 11moJan 2022 - Dec 2023 |
Rate-hike selloffLate 2018 | -20.17%Dec 2018 | 3mo 4d | 4mo | 7mo 4dSep 2018 - Apr 2019 |
2025 selloff2025 | -19.29%Apr 2025 | 1mo 17d | 2mo 19d | 4mo 6dFeb 2025 - Jun 2025 |
2018 pullback2018 | -9.93%Feb 2018 | 10d | 5mo 17d | 5mo 27dJan 2018 - Jul 2018 |
Drawdown Indicators
| BKTSX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.97% | -56.78% | +21.81% |
Max Drawdown (1Y)Largest decline over 1 year | -8.87% | -9.10% | +0.23% |
Max Drawdown (3Y)Largest decline over 3 years | -19.29% | -18.90% | -0.39% |
Max Drawdown (5Y)Largest decline over 5 years | -24.98% | -25.43% | +0.45% |
Max Drawdown (10Y)Largest decline over 10 years | -34.97% | -33.92% | -1.05% |
Current DrawdownCurrent decline from peak | -1.47% | -3.21% | +1.74% |
Average DrawdownAverage peak-to-trough decline | -4.51% | -10.71% | +6.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.98% | 2.04% | -0.06% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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Build a portfolio with BKTSX
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