iShares MBS ETF vs Upstart Holdings Inc — how do they compare? iShares MBS ETF trades at $89.7 (market cap $35.41B), while Upstart Holdings Inc trades at $24.41 (market cap $2.35B). The key difference: iShares MBS ETF is far larger — about 15.1× Upstart Holdings Inc's market cap, and iShares MBS ETF is more actively traded (5,388,525 versus 4,203,337). Which is the better fit depends on your goals — on Pluang, investors hold iShares MBS ETF for 96 Days and Upstart Holdings Inc for 39 Days on average.
| MBB | UPST | |
|---|---|---|
Market Cap | $35.41B | $2.35B |
Volume | 5,388,525 | 4,203,337 |
Sector | Fixed Income | Financials |
52-Week High | $96.91 | $52.74 |
52-Week Low | $89.09 | $22.81 |
Typical Hold Time | 96 Days | 39 Days |
Enterprise Value | — | $3.88B |
Signals from Pluang's Aura AI — not financial advice
MBB (iShares MBS ETF) trades at $89.22, down 0.16% amid bearish technical signals with 18 sell indicators versus 2 buy signals. The ETF faces pressure from rising intermediate-term rates and inflation concerns, with short interest surging 98.3% in September 2026 to 6.57 million shares. Recent institutional activity shows mixed sentiment with some firms increasing positions while technical indicators point to continued downward momentum.
The outlook remains challenging with convexity risk and borrower prepayment optionality limiting upside potential. Investment opportunity exists for income-focused investors through consistent dividend payments, but risks include duration exposure during potential rate hikes and persistent inflation pressures affecting mortgage-backed securities performance.
Upstart Holdings (UPST) trades at $24.02, up 0.67% with mixed technical signals showing bearish momentum but neutral oscillators. The company reported revenue growth to $1.02B in 2025 with a return to profitability ($53.6M net income), though recent quarters show earnings misses. Analyst sentiment is divided with a $39.50 consensus target, while recent news highlights partnership expansions and sector volatility affecting consumer lending stocks.
The outlook balances AI-driven lending growth against credit market risks and earnings volatility. Investment opportunity lies in valuation upside if execution improves, but risks include debt levels rising to 61.48% of assets and consistent earnings underperformance. The stock's proximity to recent lows suggests cautious investor sentiment amid sector headwinds.
Trailing returns across standard periods
What Pluang investors did over the last 30 days
Latest headlines on both assets
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 →Upstart Holdings Inc provides credit services. The company provides a proprietary, cloud-based, artificial intelligence lending platform. The platform aggregates consumer demand for loans and connects it to the network of Upstart AI-enabled bank partners. The revenue of the company is primarily comprised of fees paid by banks.
Read more on UPST →