Compare iShares MBS ETF (MBB) vs Vanguard Growth Index Fund ETF (VUG) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
iShares MBS ETF vs Vanguard Growth Index Fund ETF — how do they compare? iShares MBS ETF trades at $89.51 (market cap $35.41B), while Vanguard Growth Index Fund ETF trades at $91.89 (market cap $384.60B). The key difference: Vanguard Growth Index Fund ETF is far larger — about 10.9× iShares MBS ETF's market cap, and Vanguard Growth Index Fund ETF is trading nearer its 52-week high, iShares MBS ETF nearer its low. Which is the better fit depends on your goals — on Pluang, investors hold iShares MBS ETF for 96 Days and Vanguard Growth Index Fund ETF for 47 Days on average.
| MBB | VUG | |
|---|---|---|
Market Cap | $35.41B | $384.60B |
Volume | 5,388,525 | 5,662,307 |
Sector | Fixed Income | Sector/Thematic |
52-Week High | $96.91 | $92.64 |
52-Week Low | $89.09 | $70.00 |
Typical Hold Time | 96 Days | 47 Days |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
MBB, the iShares MBS ETF, trades at $89.54, up 0.36% on the day but showing a bearish technical signal overall. The ETF has faced significant short interest growth of 98.3% in September 2026, reaching 6.57 million shares, and recently hit a 52-week low. Recent news highlights concerns over intermediate duration risk amid potential rate hikes, though institutional buying from firms like Corient Private Wealth and Baird Financial Group provides some support. Key technical indicators show oversold conditions on the 12-day RSI but strong selling pressure from moving averages.
The outlook for MBB remains cautious due to interest rate sensitivity and convexity risks in the mortgage-backed securities market. While dividend payments offer income, rising rates and inflation pressures pose downside risks. Analyst sentiment is neutral to bearish, with the ETF's performance heavily tied to Federal Reserve policy. Investors should weigh the high yield against duration risk in a tightening cycle.
VUG trades at $92.42, down 0.24% on the day, with a bullish technical outlook supported by moving averages but showing overbought conditions on shorter-term RSI readings. The ETF maintains strong long-term performance credentials with 11-12% average annual returns since 2004, though current concentration in mega-cap tech stocks presents both opportunity and risk. Recent dividend activity shows minimal income generation with a $0.09 distribution scheduled for September 2026.
The growth-focused ETF offers exposure to market-leading companies but faces concentration risk with over 36% in three holdings. Long-term investors benefit from Vanguard's low-cost structure and historical outperformance, though near-term technical indicators suggest potential consolidation. Market sentiment remains positive for buy-and-hold strategies despite recent value stock outperformance in 2026.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Investor sentiment on Pluang
What Pluang investors did over the last 30 days
Investor sentiment on Pluang
What Pluang investors did over the last 30 days
About iShares MBS ETF
The fund will invest at least 80% of its assets in the component securities of the underlying index and TBAs that have economic characteristics that are substantially identical to the economic characteristics of the component securities of the index, and the fund will invest at least 90% of its assets in fixed income securities included in the underlying index that advisor believes will help the fund track the index.
Read more on MBB →About Vanguard Growth Index Fund ETF
VUG is an index-based ETF that tracks the CRSP US Large Cap Growth Index, providing concentrated exposure to the largest and fastest-growing companies in the United States. It focuses on stocks with high growth potential across tech, communication, and consumer sectors, serving as a low-cost, high-conviction core holding for long-term capital appreciation.
Read more on VUG →
