SPDR Portfolio Mortgage Backed Bond ETF (SPMB)

• Market cap: $6.28B
• 1 day: 0.23%
• 5 days: 0.68%
• 1 month: 1.51%
• 3 months: 2.45%
• 6 months: 0.63%
• Year to date: 3.02%
• 1 year: -1.03%
• 5 years: -16.86%
• 10 years: -17.69%

Fund manager confidence

Based on 2025 Q2 regulatory disclosures by fund managers ($100M+ AUM)

25% more repeat investments, than reductions

Existing positions increased: 96 | Existing positions reduced: 77

21% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 19

2% more capital invested

Capital invested by funds: $5.87B [Q1] → $5.97B (+$99.8M) [Q2]

0% less funds holding

Funds holding: 220 [Q1] → 219 (-1) [Q2]

1.64% less ownership

Funds ownership: 98.2% [Q1] → 96.56% (-1.64%) [Q2]

31% less funds holding in top 10

Funds holding in top 10: 16 [Q1] → 11 (-5) [Q2]

34% less call options, than puts

Call options by funds: $327K | Put options by funds: $497K