IWPvsNUMGETF Comparison
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iShares Russell Mid-Cap Growth ETF (IWP) and NuShares ESG Mid-Cap Growth ETF (NUMG) belong to the same industry segment: US Mid Cap Growth. Both ETFs have the same top 3 sector exposures: Technology, Industrials and Healthcare. IWP is less expensive with a Total Expense Ratio (TER) of 0.23%, versus 0.31% for NUMG. IWP is down -0.55% year-to-date (YTD) with -$1.26B in YTD flows. NUMG performs worse with -3.19% YTD performance, and -$66M in YTD flows. Run a side-by-side ETF comparison of IWP and NUMG 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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IWP vs NUMG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWP NUMG | -1.50%+1.74% | -1.17%+0.84% | -0.55%-3.19% | -6.25%-6.21% | +60.46%+36.42% | +18.23%-7.85% |
| Flows | IWP NUMG | -$117M-$25M | -$483M-$26M | -$1.26B-$66M | -$741M-$67M | +$941M-$115M | +$519M-$2M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWP NUMG | +19.46%+19.91% | +18.74%+19.89% | +19.96%+20.37% | +22.71%+23.30% |
| Max drawdown | IWP NUMG | -9.96%-8.69% | -14.82%-19.58% | -25.34%-26.47% | -38.70%-38.67% |
| Max drawdown duration | IWP NUMG | 71d75d | 245d293d | 134d688d | 1059d1806d |
Trading data
IWP | NUMG | |
Last sale 10/28/2026 at 1:30 PM | $136.31 | $46.51 |
| Previous close 10/27/2026 | $135.74 | $46.21 |
| Consolidated volume 10/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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IWP | NUMG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/28/2026 at 1:30 PM
Live
Closed
IWP | NUMG | |
|---|---|---|
| Last price | $136.31 | $46.51 |
| 1D performance | +0.42% | +0.65% |
| AuM | $19.09 B | $323.63 M |
| E/R | 0.23% | 0.31% |
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Exposure
Countries
IWP
USA
97.05%
Other
2.95%
NUMG
USA
93.08%
Other
6.92%
Sectors
IWP
Technology
33.31%
Industrials
16.3%
Healthcare
14.08%
Consumer Services
9.83%
Finance
8.81%
Other
17.67%
NUMG
Technology
28.05%
Industrials
20.72%
Healthcare
16.89%
Finance
11.65%
Other
22.7%
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Diversification
IWP
Total weight of top 15 holdings out of 15
27.9%
NUMG
Total weight of top 15 holdings out of 15
43.69%
Top 15 holdings
Data as of August 31, 2026
IWP
Snowflake, Inc.
3.17%
Cloudflare, Inc.
2.76%
Datadog, Inc.
2.23%
Simon Property Group, Inc.
1.94%
Robinhood Markets, Inc.
1.91%
Lumentum Holdings, Inc.
1.86%
Targa Resources Corp.
1.78%
Cencora, Inc.
1.73%
Marathon Petroleum Corp.
1.60%
Teradyne, Inc.
1.57%
Autodesk, Inc.
1.56%
Comfort Systems USA, Inc.
1.54%
Anglogold Ashanti Plc
1.47%
W.W. Grainger, Inc.
1.40%
Chipotle Mexican Grill, Inc.
1.39%
NUMG
Lumentum Holdings, Inc.
4.32%
Ciena Corp.
3.44%
Comfort Systems USA, Inc.
3.39%
Veeva Systems, Inc.
3.16%
IDEXX Laboratories, Inc.
3.01%
Axon Enterprise, Inc.
2.89%
Credo Technology Group Holding Ltd.
2.78%
MongoDB, Inc.
2.76%
Keysight Technologies, Inc.
2.75%
ResMed, Inc.
2.70%
Atlassian Corp.
2.63%
Alnylam Pharmaceuticals, Inc.
2.52%
EMCOR Group, Inc.
2.50%
W.W. Grainger, Inc.
2.44%
Live Nation Entertainment, Inc.
2.40%
Frequently asked questions about IWP and NUMG
How have the IWP and NUMG ETFs performed in 2026?
As of October 27, 2026, IWP is down -0.55% year-to-date (YTD), while NUMG has lost -3.19%. That puts IWP better performer ahead so far this year.
Which ETF is attracting more investor money: IWP or NUMG?
Year-to-date, the IWP ETF saw -$1.26B in flows, compared to -$66M for NUMG.
Which ETF is more volatile: IWP or NUMG?
Over the past year, IWP had a volatility of 18.74%, while NUMG experienced 19.89%.
Which ETF is bigger: IWP or NUMG?
As of October 27, 2026, IWP holds $19.09 B in assets under management (AUM), while NUMG manages $323.63 M.
What sectors do the IWP and NUMG ETFs invest in?
IWP leans toward sectors like Technology, Industrials and Healthcare. Meanwhile, NUMG focuses on Technology, Industrials and Healthcare.
What are the top holdings of the IWP ETF and NUMG ETF?
IWP top holdings include Snowflake, Inc., Cloudflare, Inc. and Datadog, Inc.. NUMG holds in its top three: Lumentum Holdings, Inc., Ciena Corp. and Comfort Systems USA, Inc..
Which ETF is more diversified: IWP or NUMG?
IWP holds 266 securities with 27.9% of its assets in the top 15. NUMG has 45 securities and a top 15 weight of 43.69%.
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