IWOvsCAFGETF Comparison
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iShares Russell 2000 Growth ETF (IWO) belongs to the US Small Cap Growth segment. Pacer US Small Cap Cash Cows Growth Leaders ETF (CAFG) is part of the US Multi-Factor segment. Both ETFs have the same top 3 sector exposures: Information Technology, Industrials and Health Care. IWO is less expensive with a Total Expense Ratio (TER) of 0.24%, versus 0.59% for CAFG. IWO is up 17.69% year-to-date (YTD) with -$714M in YTD flows. CAFG performs better with 27.43% YTD performance, and +$3M in YTD flows. Run a side-by-side ETF comparison of IWO and CAFG 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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IWO vs CAFG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/12/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWO CAFG | +3.23%+4.09% | +20.22%+21.87% | +17.69%+27.43% | +36.25%+33.32% | +61.86%+49.47% | +27.73%n/a |
| Flows | IWO CAFG | -$85M+$800K | -$82M+$1M | -$714M+$3M | -$600M-$278K | -$877M+$17M | -$291M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWO CAFG | +25.75%+18.50% | +22.24%+17.59% | +22.73%+19.61% | +24.68%n/a |
| Max drawdown | IWO CAFG | -6.26%-3.44% | -14.82%-8.08% | -28.47%-23.47% | -40.45%n/a |
| Max drawdown duration | IWO CAFG | 13d6d | 84d109d | 280d435d | 1409dn/a |
Trading data
IWO | CAFG | |
Last sale 6/15/2026 at 5:30 PM | $386.99 | $32.50 |
| Previous close 06/12/2026 | $380.39 | $32.25 |
| Consolidated volume 06/12/2026 | ||
| 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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IWO | CAFG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 6/15/2026 at 5:30 PM
Live
Closed
IWO | CAFG | |
|---|---|---|
| Last price | $386.99 | $32.50 |
| 1D performance | +1.73% | +0.78% |
| AuM | $14.75 B | $25.03 M |
| E/R | 0.24% | 0.59% |
Characteristics
IWO | CAFG | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | PACER ETFs |
| Benchmark | Russell 2000 Growth Index | Pacer US Small Cap Cash Cows Growth Leaders Index |
| N° of holdings | 890 | 95 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 24, 2000 | May 1, 2023 |
| ESG | No | No |
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Exposure
Countries
IWO
USA
92.8%
Other
7.2%
CAFG
USA
97.76%
Other
2.24%
Sectors
IWO
Information Techn.
21.84%
Industrials
21.02%
Health Care
19.04%
Consumer Discreti.
7.83%
Other
30.27%
CAFG
Information Techn.
26.09%
Industrials
20.94%
Health Care
18.84%
Energy
8.66%
Consumer Discreti.
8.44%
Other
17.03%
Diversification
IWO
Total weight of top 15 holdings out of 15
15.88%
CAFG
Total weight of top 15 holdings out of 15
37.08%
Top 15 holdings
Data as of April 30, 2026
IWO
BLOOM ENERGY CORP
3.64%
CREDO TECHNOLOGY GROUP HOLDING
1.65%
FABRINET
1.45%
IONQ
0.92%
STERLING INFRASTRUCTURE INC
0.90%
ADVANCED ENERGY INDUSTRIES
0.85%
US65290E1010
0.82%
MODINE MNFC CO
0.78%
SITIME CORP
0.74%
RAMBUS
0.73%
DYCOM INDUSTRIES
0.71%
VIAVI SOLUTIONS INC
0.71%
KRATOS DEFENSE AND SECURITY SOLS
0.67%
BRIDGEBIO PHARMA
0.66%
GUARDANT HEALTH INC
0.64%
CAFG
POWELL INDUSTRIES
4.70%
ARGAN
4.37%
DIGITALOCEAN HOLDINGS
3.49%
KRYSTAL BIOTECH INC
3.07%
US50012A1088
2.37%
US4576511079
2.26%
PROTAGONIST THERAPEUTICS INC
2.14%
US00676P1075
2.09%
ESCO TECHNOLOGIES
1.93%
DIGI INTERNATIONAL
1.90%
TERADATA
1.88%
CLEAR SECURE
1.83%
TIDEWATER
1.71%
KNOWLES CORP
1.67%
CACTUS INC
1.67%
Frequently asked questions about IWO and CAFG
How have the IWO and CAFG ETFs performed in 2026?
As of June 12, 2026, IWO is up 17.69% year-to-date (YTD), while CAFG has returned 27.43%. That puts CAFG better performer ahead so far this year.
Which ETF is attracting more investor money: IWO or CAFG?
Year-to-date, the IWO ETF saw -$714M in flows, compared to +$3M for CAFG.
Which ETF is more volatile: IWO or CAFG?
Over the past year, IWO had a volatility of 22.24%, while CAFG experienced 17.59%.
Which ETF is bigger: IWO or CAFG?
As of June 12, 2026, IWO holds $14.75 B in assets under management (AUM), while CAFG manages $25.03 M.
What sectors do the IWO and CAFG ETFs invest in?
IWO leans toward sectors like Information Technology, Industrials and Health Care. Meanwhile, CAFG focuses on Information Technology, Industrials and Health Care.
What are the top holdings of the IWO ETF and CAFG ETF?
IWO top holdings include BLOOM ENERGY CORP, CREDO TECHNOLOGY GROUP HOLDING and FABRINET. CAFG holds in its top three: POWELL INDUSTRIES, ARGAN and DIGITALOCEAN HOLDINGS.
Which ETF is more diversified: IWO or CAFG?
IWO holds 1090 securities with 15.88% of its assets in the top 15. CAFG has 100 securities and a top 15 weight of 37.08%.
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