What Is the IJK ETF? A Complete Guide to Returns, Expense Ratio, Holdings, and Alternative ETFs
The iShares S&P Mid-Cap 400 Growth ETF (IJK) is a passive product that provides diversified exposure to US mid-cap growth stocks. The key selection factors are its market-cap range compared with large-cap ETFs, its low expense ratio, and its tilt toward the growth style, and comparing it with IJH and IJJ is useful.
SubscribeWhat Is the iShares S&P Mid-Cap 400 Growth ETF?
This is a US mid-cap growth ETF that tracks the S&P MidCap 400 Growth Index. It holds mid-cap stocks with strong revenue and earnings growth characteristics in proportion to their market capitalization, and follows the performance of that segment.
It suits long-term investors who want to widen diversification into the mid-cap growth segment beyond large-cap stocks.
It is a passively managed (index-tracking) ETF run by BlackRock (iShares).
How Do You Invest in the iShares S&P Mid-Cap 400 Growth ETF?
| Item | Details |
|---|---|
| Tracking index | S&P MidCap 400 Growth Index |
| Management style | Passive (index tracking) |
| Rebalancing frequency | Quarterly |
| Dividend frequency | Quarterly |
| Issuer | BlackRock (iShares) |
| Expense ratio | 0.16% |
The fund tracks the stocks in the S&P MidCap 400 Index that are classified as growth style, using a representative sampling approach. Growth criteria determine which stocks are included and their weights, and changes to the index composition are reflected quarterly. The portfolio has an overwhelmingly high weighting in US-based companies.
- Concentrated exposure to the mid-cap growth segment between large caps and small caps
- Expense ratio that is low relative to its category
iShares S&P Mid-Cap 400 Growth ETF Size and Costs (AUM and Management Fee)
Assets under management (AUM) are $10.4B, and the expense ratio (Expense Ratio) is 0.16% per year.
Compared with broad ETFs in the same mid-cap category, it is distinguished by its focused exposure to the growth style.
iShares S&P Mid-Cap 400 Growth ETF Performance and Trends
1-Year Price Performance
Dividend & Yield
52-Week Price RangeMid-cap growth stocks tend to move differently from large caps depending on the economic cycle and the interest rate environment, and they can show relatively greater volatility during risk-on phases. Short-term trends are influenced by earnings seasons and interest rate expectations.
Market interest in the mid-cap growth segment fluctuates cyclically relative to large caps, and inflows tend to increase when risk appetite rises. Conversely, in defensive phases, money sometimes shifts toward large-cap core assets.
iShares S&P Mid-Cap 400 Growth ETF Pros and Cons
Its strengths are diversification into the mid-cap growth segment and a low expense ratio, while the volatility typical of mid-cap stocks and its style tilt are weaknesses.
💪 Key Strengths
⚠️ Points to Watch
iShares S&P Mid-Cap 400 Growth ETF Alternative ETFs and Related Products
The comparison candidates shown in the table, such as VUG, IWF, SCHG, IVW, and SPYG, are mostly broad ETFs in the large-cap growth category. They differ in issuer and expense ratio level, and their market-cap exposure is fundamentally different from IJK, which focuses on the mid-cap segment. Direct substitutes that track the broader S&P MidCap 400 include IJH, and IJJ is a variant tilted toward the value style. For investors who want to hold mid-caps broadly through another issuer's product, VO is also worth considering.
Peer Comparison ETFs| Ticker | Name | Price | Change | AUM | Total Expense Ratio | Dividend Yield | 1Y |
|---|---|---|---|---|---|---|---|
 VUG | Vanguard Morningstar Growth ETF | $84.83 | +0.9% | $218.0B | 0.03% | 0.41% | +1.4% |
 IWF | iShares Russell 1000 Growth ETF | $117.44 | +1.1% | $118.9B | 0.18% | 0.37% | -3.7% |
 IVW | iShares S&P 500 Growth ETF | $134.54 | +1.1% | $73.6B | 0.18% | 0.36% | +7.3% |
 SCHG | Schwab U.S. Large-Cap Growth ETF | $34.29 | +0.9% | $61.1B | 0.04% | 0.41% | +2.3% |
 SPYG | State Street SPDR Portfolio S&P 500 Growth ETF | $116.51 | +1.1% | $53.3B | 0.04% | 0.5% | +7.3% |
Top Holdings| Ticker | Name | Weight | Price | Change | Market Cap | P/E | Dividend Yield |
|---|---|---|---|---|---|---|---|
 FTI | TechnipFMC plc | 0.02% | $66.74 | -0.2% | $26.0B | 21.0 | 0.38% |
| TWLO | Twilio Inc | 0.02% | $213.77 | +3.0% | $33.1B | 26.9 | - |
 CASY | Casey's General Stores Inc | 0.02% | $665.39 | -0.4% | $24.6B | 32.0 | 0.39% |
 CRS | Carpenter Technology Corp | 0.02% | $296.72 | +2.0% | $14.7B | 26.1 | 0.28% |
 UTHR | United Therapeutics Corp | 0.02% | $602.01 | +1.0% | $25.8B | 21.5 | - |
 CW | Curtiss-Wright Corp | 0.03% | $497.76 | +2.8% | $18.4B | 34.3 | 0.2% |
| FLEX | Flex Ltd | 0.01% | $88.10 | +4.6% | $32.5B | 31.8 | - |
 NVT | nVent Electric plc | 0.01% | $129.26 | +4.5% | $20.9B | 31.4 | 0.6% |
 ATI | ATI Inc | 0.01% | $180.33 | +3.4% | $24.5B | 45.0 | - |
iShares S&P Mid-Cap 400 Growth ETF Investor Checkpoints
Here are the points to review before investing in IJK. The mid-cap growth segment offers diversification benefits relative to large caps, but it also comes with volatility and a growth style tilt, so it is wise to confirm your position size and holding purpose in advance.
| Checkpoint | What to Check | Current Status |
|---|---|---|
| 💵 Expense ratio | Check the cumulative effect over long-term holding | Low relative to category |
| 📊 Market-cap range | Mid-cap weighting and degree of diversification | Concentrated in mid-cap growth |
| 📈 Style tilt | Degree of growth style exposure | Growth-heavy |
| 💱 Exchange rate | Effect on returns converted to Korean won | Not currency-hedged |
The volatility typical of mid-cap stocks and the growth style tilt are the main drivers of short-term volatility. Declines can be steeper than for large caps during market corrections, so position sizing within the overall portfolio needs to be managed.
It is a suitable choice for long-term investors who want to complement a large-cap-centered portfolio with the mid-cap growth segment. If style diversification is needed, consider IJJ, and if the goal is broad mid-cap exposure, IJH is also worth considering.
SubscribeDisclaimer: This content is for informational purposes only and does not constitute investment advice. All investment responsibility lies with the investor.
This article reflects information as of June 21, 2026.
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