RUNNvsIMCBETF Comparison
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Running Oak Efficient Growth ETF (RUNN) belongs to the Uncategorized Equities segment. iShares Morningstar Mid-Cap ETF (IMCB) is part of the US Mid Cap segment. RUNN's top 3 sector exposures are Industrials, Finance and Healthcare. In contrast, IMCB's top sector exposures are Finance, Industrials and Technology. RUNN is more expensive with a Total Expense Ratio (TER) of 0.58%, versus 0.04% for IMCB. RUNN is up 4.4% year-to-date (YTD) with +$31M in YTD flows. IMCB performs better with 20.52% YTD performance, and +$30M in YTD flows. Run a side-by-side ETF comparison of RUNN and IMCB 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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RUNN vs IMCB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/03/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | RUNN IMCB | +0.86%+1.15% | +7.79%+5.08% | +4.40%+20.52% | +1.91%+22.76% | +34.36%+65.35% | n/a+53.05% |
| Flows | RUNN IMCB | +$11M+$15M | +$46M+$32M | +$31M+$30M | +$33M+$240M | +$320M+$421M | -+$346M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | RUNN IMCB | +15.02%+11.83% | +13.71%+12.96% | +14.11%+15.19% | n/a+17.70% |
| Max drawdown | RUNN IMCB | -3.01%-3.48% | -10.26%-8.06% | -17.02%-19.88% | n/a-25.13% |
| Max drawdown duration | RUNN IMCB | 22d18d | 176d49d | 630d238d | n/a835d |
Trading data
RUNN | IMCB | |
Last sale 9/4/2026 at 2:48 PM | $34.59 | $98.90 |
| Previous close 09/03/2026 | $34.82 | $99.04 |
| Consolidated volume 09/03/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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RUNN
is actively managed and doesn’t replicate an indexRUNN | IMCB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/4/2026 at 2:48 PM
Live
Closed
RUNN | IMCB | |
|---|---|---|
| Last price | $34.59 | $98.90 |
| 1D performance | -0.66% | -0.14% |
| AuM | $416.38 M | $1.71 B |
| E/R | 0.58% | 0.04% |
Characteristics
RUNN | IMCB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Running Oak Capital | iShares |
| Benchmark | - | Morningstar U.S. Mid Cap Index |
| N° of holdings | 58 | 389 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 8, 2023 | June 28, 2004 |
| ESG | No | No |
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Exposure
Countries
RUNN
USA
89.82%
Other
10.18%
IMCB
USA
95.53%
Other
4.47%
Sectors
RUNN
Industrials
29.25%
Finance
14.64%
Healthcare
14.27%
Technology
13.84%
Business Services
10.61%
Other
17.38%
IMCB
Finance
19.9%
Industrials
15.51%
Technology
14.97%
Healthcare
8.98%
Non-Energy Materi.
7.35%
Energy
7.29%
Other
26%
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Diversification
RUNN
Total weight of top 15 holdings out of 15
29.51%
IMCB
Total weight of top 15 holdings out of 15
9.99%
Top 15 holdings
Data as of July 31, 2026
RUNN
Zebra Technologies Corp.
2.16%
IQVIA Holdings, Inc.
2.15%
State Street Institutional Treasury Money Market Fund
2.07%
Automatic Data Processing, Inc.
2.04%
Arthur J. Gallagher & Co.
2.03%
Brown & Brown, Inc.
2.02%
ServiceNow, Inc.
2.01%
Primerica, Inc.
1.92%
FactSet Research Systems, Inc.
1.91%
Marsh & McLennan Cos., Inc.
1.89%
Visa, Inc.
1.88%
Stryker Corp.
1.87%
Roper Technologies, Inc.
1.86%
W.W. Grainger, Inc.
1.86%
Centene Corp.
1.85%
IMCB
Dell Technologies, Inc.
0.80%
Automatic Data Processing, Inc.
0.73%
The Bank of New York Mellon Corp.
0.71%
Snowflake, Inc.
0.69%
The PNC Financial Services Group, Inc.
0.69%
U.S. Bancorp
0.68%
Fortinet, Inc.
0.66%
CSX Corp.
0.65%
Valero Energy Corp.
0.64%
3M Co.
0.63%
Marathon Petroleum Corp.
0.63%
Freeport-McMoRan, Inc.
0.63%
Marsh & McLennan Cos., Inc.
0.62%
Cloudflare, Inc.
0.62%
Johnson Controls International Plc
0.61%
Frequently asked questions about RUNN and IMCB
How have the RUNN and IMCB ETFs performed in 2026?
As of September 3, 2026, RUNN is up 4.4% year-to-date (YTD), while IMCB has returned 20.52%. That puts IMCB better performer ahead so far this year.
Which ETF is attracting more investor money: RUNN or IMCB?
Year-to-date, the RUNN ETF saw +$31M in flows, compared to +$30M for IMCB.
Which ETF is more volatile: RUNN or IMCB?
Over the past year, RUNN had a volatility of 13.71%, while IMCB experienced 12.96%.
Which ETF is bigger: RUNN or IMCB?
As of September 3, 2026, RUNN holds $416.38 M in assets under management (AUM), while IMCB manages $1.71 B.
What sectors do the RUNN and IMCB ETFs invest in?
RUNN leans toward sectors like Industrials, Finance and Healthcare. Meanwhile, IMCB focuses on Finance, Industrials and Technology.
What are the top holdings of the RUNN ETF and IMCB ETF?
RUNN top holdings include Zebra Technologies Corp., IQVIA Holdings, Inc. and State Street Institutional Treasury Money Market Fund. IMCB holds in its top three: Dell Technologies, Inc., Automatic Data Processing, Inc. and The Bank of New York Mellon Corp..
Which ETF is more diversified: RUNN or IMCB?
RUNN holds 59 securities with 29.51% of its assets in the top 15. IMCB has 396 securities and a top 15 weight of 9.99%.
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