IWP vs MID
iShares Russell Midcap Growth ETF vs American Century Mid Cap Growth Impact ETF
Which is better, IWP or MID?
MID has been ahead.
IWP has a lower expense ratio. MID led over 1Y, 3Y, 5Y and the full window. The two have moved almost in lockstep, correlation 0.94. IWP is less concentrated, with 22.4% of the fund in its ten largest positions against 52.3%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | IWP | MID |
|---|---|---|
| Expense Ratio | 0.23%Best | 0.39% |
| AUM | $19.7B | $104M |
| Dividend Yield | 0.38% | 0.14% |
| Holdings | 270 | 35 |
| YTD Return | -1.07% | +11.14%Best |
| 1Y Return | -3.97% | +8.62%Best |
| 3Y Return (annualized) | +14.50% | +17.40%Best |
| 5Y Return (annualized) | +3.72% | +5.10%Best |
| Volatility (annualized) | 19.2%Best | 20.3% |
| Max Drawdown | -38.6%Best | -40.1% |
| $10,000 over 5 years | $12,004 | $12,824Best |
| Top 10 Weight | 22.4%Best | 52.3% |
| Fund Family | iShares by BlackRock (US) | American Century Investments |
| Category | Equity | Equity |
| Style | Mid Cap Growth | Mid Cap Growth |
| Inception | Jul 17, 2001 | Jul 15, 2020 |
Volatility and max drawdown are measured over the window both funds cover: Jul 15, 2020 to Oct 9, 2026 (6.2 years).
IWP vs MID growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 6.2 years both funds cover.
IWP vs MID Performance
iShares Russell Midcap Growth ETF (IWP) is an ETF from iShares by BlackRock (US) and American Century Mid Cap Growth Impact ETF (MID) is an ETF from American Century Investments. Over the past year IWP returned -3.97% while MID returned +8.62%. Year to date, IWP is down 1.07% versus a gain of 11.14% for MID.
Over three years, IWP compounded at +14.50% per year against +17.40% for MID; over five years the annualized figures are +3.72% and +5.10% respectively. Across the full 6-year window we track, MID has the edge at +10.24% annualized vs +9.82%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
MID has been the more volatile fund, with annualized monthly volatility of 20.3% compared with 19.2% for IWP. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -38.6% for IWP and -40.1% for MID. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.94. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
IWP charges 0.23% per year while MID charges 0.39%. On a $10,000 position that is $23 vs $39 annually, a gap of $16 per year that compounds over a long holding period. On income, IWP currently yields 0.38% against 0.14% for MID.
Holdings Overlap
16.4% of IWP's money is in holdings MID also owns. 46.9% of MID's money is in holdings IWP also owns.
The two portfolios partly overlap.
17 positions in common, counted across the 271 positions we hold weights for in IWP and 34 in MID, against full books of 270 and 35.
What only one of them owns
Our book lists 14 positions for MID that do not appear in our book for IWP (46.3% of the fund), and 237 for IWP that do not appear in MID (80.8%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in IWP | Weight in MID | Difference |
|---|---|---|---|
| NETCloudflare Inc (180 Day Lockup) | 3.22% | 7.80% | 4.58% |
| TRGPTarga Resources Corp Preferred | 1.70% | 4.68% | 2.98% |
| CMGChipotle Mexican Grill Inc. Class A | 1.17% | 4.58% | 3.41% |
| MTSIMacom Technology Solutions Holdings, Inc. | 0.59% | 4.78% | 4.19% |
| VSTVistra Energy Corp. | 1.35% | 3.17% | 1.82% |
| ALNYAlnylam Pharmaceuticals Inc. | 0.88% | 3.14% | 2.26% |
| NTRANatera Inc | 1.60% | 2.06% | 0.46% |
| CPNGCoupang LLC | 0.49% | 3.09% | 2.60% |
| IDXXIdexx Laboratories Inc Common Stock Usd 0.1 | 0.99% | 2.24% | 1.25% |
| RDDTReddit Inc-Cl A | 0.59% | 2.62% | 2.03% |
46.9% of MID is already inside IWP.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IWP or MID?
IWP has an expense ratio of 0.23% while MID charges 0.39%. IWP is the cheaper option, by $16 a year on a $10,000 investment.
Which performed better, IWP or MID?
Over the past year IWP returned -3.97% vs +8.62% for MID, so MID leads on 1-year performance. Over the longest common window we track (6 years), IWP annualized +9.82% vs +10.24% for MID. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IWP or MID?
MID has been the more volatile fund at 20.3% annualized versus 19.2% for IWP. Worst drawdown: IWP -38.6% vs MID -40.1%.
Should I hold both IWP and MID?
IWP and MID have a monthly-return correlation of 0.94, so they move almost identically. What is left to separate them is the fee and the index each one tracks. This is information, not a recommendation.
What is the holdings overlap between IWP and MID?
46.9% of MID's money is in holdings IWP also owns. 46.9% of MID's is in holdings IWP also owns. They hold 17 positions in common, counted across the 271 positions we hold weights for in IWP and 34 in MID.
Which pays a higher dividend, IWP or MID?
IWP yields 0.38% while MID yields 0.14%, so IWP currently pays the higher dividend yield.
Is MID better than IWP?
IWP has a lower expense ratio. MID led over 1Y, 3Y, 5Y and the full window. The two have moved almost in lockstep, correlation 0.94. IWP is less concentrated, with 22.4% of the fund in its ten largest positions against 52.3%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.