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IWOvsCAFGETF Comparison

ETF 1
IWO

iShares Russell 2000 Growth ETF

This fund is part of
US Small Cap Growth
-2.51%
Full IWO fund page
VS
ETF 2
CAFG

Pacer US Small Cap Cash Cows Growth Leaders ETF

This fund is part of
US Multi-Factor
-1.26%
Full CAFG fund page

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. IWO's top 3 sector exposures are Health Care, Information Technology and Industrials. In contrast, CAFG's top sector exposures are Information Technology, Health Care and Industrials. IWO is less expensive with a Total Expense Ratio (TER) of 0.24%, versus 0.59% for CAFG. IWO is down -2.1% year-to-date (YTD) with -$648M in YTD flows. CAFG performs better with 4.57% YTD performance, and +$1M 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

-4.0-2.00.02.0%Feb 12Feb 20Feb 27Mar 6

Cumulative Flows

-200,000,000-150,000,000-100,000,000-50,000,0000Feb 12Feb 20Feb 27Mar 6

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows
Data as of 03/12/2026
1M3MYTD1Y3Y5Y
Perf.
IWO
CAFG
-4.45%-4.27%
-4.66%+2.40%
-2.10%+4.57%
+22.80%+14.49%
+48.61%n/a
+3.15%n/a
Flows
IWO
CAFG
-$134M-
-$585M+$1M
-$648M+$1M
-$808M-$2M
-$696M-
-$537M-
Volatility and drawdown
3M1Y3Y5Y
Volatility
IWO
CAFG
+21.35%+18.51%
+25.14%+21.04%
+22.19%n/a
+24.58%n/a
Max drawdown
IWO
CAFG
-10.53%-6.32%
-17.18%-12.84%
-28.47%n/a
-40.45%n/a
Max drawdown duration
IWO
CAFG
49d14d
46d37d
280dn/a
1409dn/a
Trading data

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IWO
CAFG
Last sale
3/13/2026 at 1:30 PM
$315.18
$26.55
Previous close
03/12/2026
$316.45
$26.52
Consolidated volume
03/12/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of February 27, 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 3/13/2026 at 1:30 PM
Live
Closed
IWO
CAFG
Last price
$315.18
$26.55
1D performance
-0.40%
+0.12%
AuM$12.36 B$19.23 M
E/R0.24%0.59%
Characteristics
IWO
CAFG
Management strategyPassivePassive
ProvideriSharesPACER ETFs
BenchmarkRussell 2000 Growth IndexPacer US Small Cap Cash Cows Growth Leaders Index
N° of holdings90697
Asset classEquitiesEquities
Trailing 12m distribution yield
Join
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Inception dateJuly 24, 2000May 1, 2023
ESGNoNo
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Exposure

Countries

IWO
USA
92.98%
Other
7.02%
CAFG
USA
98%
Other
2%

Sectors

IWO
Health Care
21.61%
Information Techn.
20.47%
Industrials
19.92%
Consumer Discreti.
8.05%
Financials
7.76%
Other
22.2%
CAFG
Information Techn.
28.74%
Health Care
23.83%
Industrials
20.97%
Consumer Discreti.
7.16%
Other
19.3%
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Diversification

IWO

Total weight of top 15 holdings out of 15

13.7%
CAFG

Total weight of top 15 holdings out of 15

36.65%

Top 15 holdings

Data as of January 31, 2026
IWO
BLOOM ENERGY CORP
2.13%
CREDO TECHNOLOGY GROUP HOLDING
1.23%
KRATOS DEFENSE AND SECURITY SOLS
1.12%
FABRINET
1.11%
IONQ
0.91%
US65290E1010
0.88%
GUARDANT HEALTH INC
0.83%
RAMBUS
0.82%
BRIDGEBIO PHARMA
0.78%
STERLING INFRASTRUCTURE INC
0.70%
AEROVIRONMENT
0.69%
DYCOM INDUSTRIES
0.64%
US78473E1038
0.63%
ADVANCED ENERGY INDUSTRIES
0.63%
ENSIGN GROUP
0.59%
CAFG
VICOR
5.15%
POWELL INDUSTRIES
3.54%
SEMTECH
3.22%
KRYSTAL BIOTECH INC
2.54%
DIGITALOCEAN HOLDINGS
2.41%
PTC THERAPEUTI/D
2.38%
US4576511079
2.19%
VERACYTE INC/D
2.15%
MERCURY SYSTEMS INC
2.08%
MEDNAX
2.03%
INTERDIGITAL
1.95%
KULICKE AND SOFFA INDUSTRIES
1.83%
COLLEGIUM PHAR/D
1.82%
AXCELIS TECHNOLOGIES
1.77%
ANI PHARMACEUTICALS INC
1.59%
Frequently asked questions about IWO and CAFG

How have the IWO and CAFG ETFs performed in 2026?

As of March 12, 2026, IWO is down -2.1% year-to-date (YTD), while CAFG has returned 4.57%. 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 -$648M in flows, compared to +$1M for CAFG.

Which ETF is more volatile: IWO or CAFG?

Over the past year, IWO had a volatility of 25.14%, while CAFG experienced 21.04%.

Which ETF is bigger: IWO or CAFG?

As of March 12, 2026, IWO holds $12.36 B in assets under management (AUM), while CAFG manages $19.23 M.

What sectors do the IWO and CAFG ETFs invest in?

IWO leans toward sectors like Health Care, Information Technology and Industrials. Meanwhile, CAFG focuses on Information Technology, Health Care and Industrials.

What are the top holdings of the IWO ETF and CAFG ETF?

IWO top holdings include BLOOM ENERGY CORP, CREDO TECHNOLOGY GROUP HOLDING and KRATOS DEFENSE AND SECURITY SOLS. CAFG holds in its top three: VICOR, POWELL INDUSTRIES and SEMTECH.

Which ETF is more diversified: IWO or CAFG?

IWO holds 1094 securities with 13.7% of its assets in the top 15. CAFG has 100 securities and a top 15 weight of 36.65%.

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