Keep tabs on your favorite ETFs with a personalized weekly tracker. Create a Watchlist now →
MDSTvsIEOETF Comparison
Westwood Salient Enhanced Midstream Income ETF (MDST) belongs to the Options Strategies segment. iShares U.S. Oil & Gas Exploration & Production ETF (IEO) is part of the US Energy segment. Both ETFs have the same top 3 sector exposures: and Energy. MDST is more expensive with a Total Expense Ratio (TER) of 0.8%, versus 0.38% for IEO. MDST is up 11.04% year-to-date (YTD) with +$29M in YTD flows. IEO performs better with 28.98% YTD performance, and +$26M in YTD flows. Run a side-by-side ETF comparison of MDST and IEO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
MDST vs IEO performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MDST IEO | +3.07%+9.02% | +11.89%+22.59% | +11.04%+28.98% | +19.91%+33.35% | n/a+49.42% | n/a+150.42% |
| Flows | MDST IEO | +$14M+$11M | +$35M+$13M | +$29M+$26M | +$122M-$99M | --$458M | -+$10M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MDST IEO | +10.04%+26.96% | +16.64%+30.64% | n/a+25.66% | n/a+30.85% |
| Max drawdown | MDST IEO | -2.67%-6.14% | -14.31%-21.90% | n/a-31.40% | n/a-31.40% |
| Max drawdown duration | MDST IEO | 9d40d | 174d176d | n/a683d | n/a683d |
MDST | IEO | |
Last sale 3/12/2026 at 1:30 PM | $28.73 | $116.84 |
| Previous close 03/11/2026 | $28.75 | $115.17 |
| Consolidated volume 03/11/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Create an account to view replication metrics
MDST | IEO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
MDST | IEO | |
|---|---|---|
| Last price | $28.73 | $116.84 |
| 1D performance | -0.07% | +1.45% |
| AuM | $217.24 M | $558.49 M |
| E/R | 0.8% | 0.38% |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the MDST and IEO ETFs performed in 2026?
As of March 10, 2026, MDST is up 11.04% year-to-date (YTD), while IEO has returned 28.98%. That puts IEO better performer ahead so far this year.
Which ETF is attracting more investor money: MDST or IEO?
Year-to-date, the MDST ETF saw +$29M in flows, compared to +$26M for IEO.
Which ETF is more volatile: MDST or IEO?
Over the past year, MDST had a volatility of 16.64%, while IEO experienced 30.64%.
Which ETF is bigger: MDST or IEO?
As of March 10, 2026, MDST holds $217.24 M in assets under management (AUM), while IEO manages $558.49 M.
What sectors do the MDST and IEO ETFs invest in?
MDST leans toward sectors like Energy. Meanwhile, IEO focuses on Energy.
What are the top holdings of the MDST ETF and IEO ETF?
MDST top holdings include ENERGY TRANSFER LP UNITS, ENBRIDGE and WILLIAMS. IEO holds in its top three: CONOCOPHILLIPS, EOG RESOURCES and PHILLIPS 66.
Which ETF is more diversified: MDST or IEO?
MDST holds 20 securities with 86.44% of its assets in the top 15. IEO has 47 securities and a top 15 weight of 82.79%.
Westwood Launches BFRE ETF: A New Approach to Global Equity Investing
Crude and Natural Gas Markets on the Move
War in the Middle East: ETF Movers & Shakers
Have you tried our ETF Compare tool?
Compare ETFs like a pro. Analyze fees, performance, exposure & holdings side-by-side.