NUMGvsMIDETF Comparison
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NuShares ESG Mid-Cap Growth ETF (NUMG) and American Century Mid Cap Growth Impact ETF (MID) belong to the same industry segment: US Mid Cap Growth. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Health Care. NUMG is less expensive with a Total Expense Ratio (TER) of 0.31%, versus 0.45% for MID. NUMG is down -5.3% year-to-date (YTD) with -$23M in YTD flows. MID performs better with 3.95% YTD performance, and +$775K in YTD flows. Run a side-by-side ETF comparison of NUMG and MID below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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NUMG vs MID performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | NUMG MID | +0.12%+6.29% | +7.17%+8.24% | -5.30%+3.95% | -3.36%+6.09% | +18.70%+45.21% | -1.70%+26.85% |
| Flows | NUMG MID | -$6M+$2M | -$8M+$6M | -$23M+$775K | -$42M+$11M | -$67M+$34M | +$85M+$63M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | NUMG MID | +21.71%+23.59% | +18.78%+18.57% | +20.10%+20.28% | +23.07%+24.07% |
| Max drawdown | NUMG MID | -7.06%-6.77% | -19.66%-14.34% | -26.47%-23.84% | -38.67%-40.04% |
| Max drawdown duration | NUMG MID | 16d16d | 326d214d | 557d154d | 1675d1060d |
Trading data
NUMG | MID | |
Last sale 6/18/2026 at 1:30 PM | $45.25 | $67.58 |
| Previous close 06/18/2026 | $45.05 | $66.65 |
| Consolidated volume 06/18/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of May 29, 2026
1-year trailing difference
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MID
is actively managed and doesn’t replicate an indexNUMG | MID | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 6/18/2026 at 1:30 PM
Live
Closed
NUMG | MID | |
|---|---|---|
| Last price | $45.25 | $67.58 |
| 1D performance | +0.44% | +1.40% |
| AuM | $359.56 M | $100.79 M |
| E/R | 0.31% | 0.45% |
Characteristics
NUMG | MID | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | Nuveen | American Century Investments |
| Benchmark | MSCI TIAA ESG USA Mid-Cap Growth Index | - |
| N° of holdings | 38 | 34 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 13, 2016 | July 15, 2020 |
| ESG | Yes | Yes |
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Exposure
Countries
NUMG
USA
98.49%
Other
1.51%
MID
USA
79.4%
Other
20.6%
Sectors
NUMG
Industrials
26.12%
Information Techn.
25.88%
Health Care
14.47%
Consumer Discreti.
12.43%
Other
21.11%
MID
Industrials
22.13%
Information Techn.
21.82%
Health Care
15.25%
Consumer Discreti.
11.99%
Energy
7.12%
Other
21.69%
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Diversification
NUMG
Total weight of top 15 holdings out of 15
55.28%
MID
Total weight of top 15 holdings out of 15
60.89%
Top 15 holdings
Data as of April 30, 2026
NUMG
QUANTA SERVICES
6.52%
CIENA
5.54%
COMFORT SYSTEMS USA
4.86%
CARVANA CO
4.38%
WW GRAINGER
4.09%
IDEXX LABORATORIES
3.57%
DATADOG
3.53%
EMCOR GROUP
3.44%
ALNYLAM PHARMACEUTICALS
3.28%
INTERACTIVE BROKERS GROUP
3.18%
AXON ENTERPRISE INC
2.82%
LIVE NATION
2.59%
VERISK ANALYTICS
2.58%
VEEVA SYSTEMS IN
2.46%
TAKE TWO
2.45%
MID
CLOUDFLARE INC
6.85%
MONOLITHIC POWER SYSTEMS
6.34%
JOHNSON CONTROLS INTERNATIONAL
5.84%
TARGA RESOURCS
4.90%
TRACTOR SUPPLY
4.54%
VISTRA CORP
4.29%
CADENCE DESIGN SYSTEMS
3.96%
WESCO INTL
3.93%
VERTIV HOLDINGS
3.33%
MSCI
3.31%
HUBBELL
3.06%
REPUBLIC SVCS
2.89%
TOPBUILD CORP
2.64%
ALNYLAM PHARMACEUTICALS
2.60%
ZSCALER INC
2.41%
Frequently asked questions about NUMG and MID
How have the NUMG and MID ETFs performed in 2026?
As of June 18, 2026, NUMG is down -5.3% year-to-date (YTD), while MID has returned 3.95%. That puts MID better performer ahead so far this year.
Which ETF is attracting more investor money: NUMG or MID?
Year-to-date, the NUMG ETF saw -$23M in flows, compared to +$775K for MID.
Which ETF is more volatile: NUMG or MID?
Over the past year, NUMG had a volatility of 18.78%, while MID experienced 18.57%.
Which ETF is bigger: NUMG or MID?
As of June 18, 2026, NUMG holds $359.56 M in assets under management (AUM), while MID manages $100.79 M.
What sectors do the NUMG and MID ETFs invest in?
NUMG leans toward sectors like Industrials, Information Technology and Health Care. Meanwhile, MID focuses on Industrials, Information Technology and Health Care.
What are the top holdings of the NUMG ETF and MID ETF?
NUMG top holdings include QUANTA SERVICES, CIENA and COMFORT SYSTEMS USA. MID holds in its top three: CLOUDFLARE INC, MONOLITHIC POWER SYSTEMS and JOHNSON CONTROLS INTERNATIONAL.
Which ETF is more diversified: NUMG or MID?
NUMG holds 40 securities with 55.28% of its assets in the top 15. MID has 34 securities and a top 15 weight of 60.89%.
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