TOPT vs USMC
iShares Top 20 U.S. Stocks ETF against Principal Exchange-Traded Funds Principal U.S. Mega-Cap ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
63%
17 shared positions
Fee gap
8 bp
USMC is cheaper
1-year return gap
1.3 pts
TOPT is ahead
Larger fund
USMC
$5.2B
Side by side
| TOPT | USMC | |
|---|---|---|
| Fund | iShares Top 20 U.S. Stocks ETF | Principal Exchange-Traded Funds Principal U.S. Mega-Cap ETF |
| Issuer | iShares | Principal |
| Category | Total Market | Large Cap Blend |
| Expense ratio | 0.20% | 0.12% |
| Assets | $721M | $5.2B |
| Average daily dollar volume | $18M | $6.9M |
| Listed | Oct 23, 2024 | Oct 11, 2017 |
| FrenzyCap score | 62 | 73 |
| 1-month return | +5.1% | +3.1% |
| 3-month return | +7.0% | +5.3% |
| Year to date | +13.7% | +14.1% |
| 1-year return | +15.3% | +14.1% |
| 30-day volatility | 12.3% | 10.6% |
| Worst drawdown, 1 year | −13.3% | −10.5% |
| Trailing 12-month yield | 0.35% | 0.72% |
| Holdings | 23 | 27 |
| Top 10 weight | 69.3% | 54.3% |
| Look-through P/E | 28.7 | 25.6 |
| Holdings vs fair value | −5.2% | −3.0% |
| Holdings above 200-day average | 87% | 75% |
| Net flow, latest 3 reported months | +$88M thru Jun 2026 | +$158M thru Jun 2026 |
| 30-day implied volatility | 17.6% | 12.7% |
| Holdings as of | as of Jun 30, 2026SEC filing | as of Jun 30, 2026SEC filing |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
86% of TOPT · 72% of USMC
Sector mix of the stock holdings
| Sector | TOPT | USMC | Gap |
|---|---|---|---|
| Technology | 68.6% | 41.3% | +27.3% |
| Consumer Discretionary | 12.9% | 13.7% | −0.8% |
| Financials | 7.4% | 11.1% | −3.7% |
| Industrials | 2.3% | 14.9% | −12.6% |
| Health Care | 6.4% | 9.1% | −2.7% |
| Energy | 2.3% | 4.0% | −1.6% |
| Communication Services | 0.0% | 3.0% | −3.0% |
| Consumer Staples | 0.0% | 2.7% | −2.7% |
More: full overlap table · TOPT holdings · USMC holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.