NUMGvsIWPETF Comparison
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NuShares ESG Mid-Cap Growth ETF (NUMG) and iShares Russell Mid-Cap Growth ETF (IWP) belong to the same industry segment: US Mid Cap Growth. Both ETFs have the same top 3 sector exposures: Technology, Industrials and Healthcare. NUMG is more expensive with a Total Expense Ratio (TER) of 0.31%, versus 0.23% for IWP. NUMG is down -10.34% year-to-date (YTD) with -$70M in YTD flows. IWP performs better with -4.24% YTD performance, and -$1.30B in YTD flows. Run a side-by-side ETF comparison of NUMG and IWP 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 IWP performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/05/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | NUMG IWP | -8.55%-7.99% | -11.03%-8.51% | -10.34%-4.24% | -11.40%-5.54% | +19.74%+46.36% | -16.56%+10.03% |
| Flows | NUMG IWP | -$30M-$5M | -$31M-$473M | -$70M-$1.30B | -$72M-$780M | -$120M+$875M | -$10M+$451M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | NUMG IWP | +22.44%+19.12% | +20.64%+18.91% | +20.59%+19.99% | +23.47%+22.77% |
| Max drawdown | NUMG IWP | -13.43%-11.77% | -19.58%-12.85% | -26.47%-25.34% | -38.67%-38.70% |
| Max drawdown duration | NUMG IWP | 84d79d | 302d141d | 697d134d | 1815d1059d |
Trading data
NUMG | IWP | |
Last sale 11/6/2026 at 2:30 PM | $42.86 | $124.01 |
| Previous close 11/04/2026 | $42.83 | $122.91 |
| Consolidated volume 11/04/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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NUMG | IWP | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
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Main metrics
Last update 11/6/2026 at 2:30 PM
Live
Closed
NUMG | IWP | |
|---|---|---|
| Last price | $42.86 | $124.01 |
| 1D performance | +0.06% | +0.89% |
| AuM | $295.44 M | $18.35 B |
| E/R | 0.31% | 0.23% |
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Exposure
Countries
NUMG
USA
92.87%
Other
7.13%
IWP
USA
97.14%
Other
2.86%
Sectors
NUMG
Technology
28.84%
Industrials
20.87%
Healthcare
17.96%
Finance
11.09%
Other
21.23%
IWP
Technology
35.8%
Industrials
16.24%
Healthcare
14.19%
Consumer Services
9.02%
Finance
8.35%
Other
16.41%
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Diversification
NUMG
Total weight of top 15 holdings out of 15
44.64%
IWP
Total weight of top 15 holdings out of 15
29.77%
Top 15 holdings
Data as of September 30, 2026
NUMG
Lumentum Holdings, Inc.
4.86%
Comfort Systems USA, Inc.
3.84%
Ciena Corp.
3.35%
Veeva Systems, Inc.
3.34%
Keysight Technologies, Inc.
3.29%
IDEXX Laboratories, Inc.
2.99%
Alnylam Pharmaceuticals, Inc.
2.74%
EMCOR Group, Inc.
2.72%
ResMed, Inc.
2.63%
Atlassian Corp.
2.57%
Credo Technology Group Holding Ltd.
2.54%
nVent Electric Plc
2.50%
W.W. Grainger, Inc.
2.46%
Ulta Beauty, Inc.
2.41%
Live Nation Entertainment, Inc.
2.39%
IWP
Snowflake, Inc.
3.31%
Cloudflare, Inc.
3.23%
Datadog, Inc.
2.62%
Lumentum Holdings, Inc.
2.19%
Robinhood Markets, Inc.
2.08%
Simon Property Group, Inc.
1.87%
Teradyne, Inc.
1.83%
Marathon Petroleum Corp.
1.73%
Comfort Systems USA, Inc.
1.68%
Targa Resources Corp.
1.67%
Natera, Inc.
1.64%
Cencora, Inc.
1.63%
Astera Labs, Inc.
1.59%
Vistra Corp.
1.35%
Fastenal Co.
1.35%
Frequently asked questions about NUMG and IWP
How have the NUMG and IWP ETFs performed in 2026?
As of November 5, 2026, NUMG is down -10.34% year-to-date (YTD), while IWP has lost -4.24%. That puts IWP better performer ahead so far this year.
Which ETF is attracting more investor money: NUMG or IWP?
Year-to-date, the NUMG ETF saw -$70M in flows, compared to -$1.30B for IWP.
Which ETF is more volatile: NUMG or IWP?
Over the past year, NUMG had a volatility of 20.64%, while IWP experienced 18.91%.
Which ETF is bigger: NUMG or IWP?
As of November 5, 2026, NUMG holds $295.44 M in assets under management (AUM), while IWP manages $18.35 B.
What sectors do the NUMG and IWP ETFs invest in?
NUMG leans toward sectors like Technology, Industrials and Healthcare. Meanwhile, IWP focuses on Technology, Industrials and Healthcare.
What are the top holdings of the NUMG ETF and IWP ETF?
NUMG top holdings include Lumentum Holdings, Inc., Comfort Systems USA, Inc. and Ciena Corp.. IWP holds in its top three: Snowflake, Inc., Cloudflare, Inc. and Datadog, Inc..
Which ETF is more diversified: NUMG or IWP?
NUMG holds 45 securities with 44.64% of its assets in the top 15. IWP has 271 securities and a top 15 weight of 29.77%.
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