NASDAQ · inception 2007-03-16 · beta 1.14 · avg volume 3,850,846 · holdings as of 2026-10-15 · prices through 2026-10-16
AUM$35.5B
Holdings10,852
Top-10 weight0.0%
1-yr return-4.2%
Max drawdown 5y-16.8%
Volatility 1y5.1%
Performance vs S&P 500 (SPY)
■ MBB■ SPY
Total return
1m
3m
6m
YTD
1y
3y
5y
MBB
-1.0%
-2.9%
-5.3%
-4.2%
-4.2%
+11.9%
-3.6%
SPY
+0.3%
+2.9%
+7.5%
+11.7%
+15.1%
+80.0%
+84.9%
Rebased to 100 five years ago, weekly adjusted closes. Max drawdown is the largest peak-to-trough fall in that window (trough 2023-10-19). 3y and 5y returns are cumulative.
Top holdings
#
Ticker
Name
Weight
1
BLACKROCK CASH CL INST SL AGENCY
4.89%
2
FHLMC 30YR UMBS SUPER 2.00% 05/01/2051
1.04%
3
GNMA2 30YR TBA 6.00% 11/19/2026
0.68%
4
UMBS 30YR TBA(REG A) 5.50% 11/12/2026
0.60%
5
GNMA2 30YR 5.00% 11/20/2054
0.59%
6
GNMA2 30YR 2.00% 10/20/2051
0.54%
7
GNMA2 30YR 2.00% 12/20/2051
0.53%
8
FNMA 30YR UMBS 2.00% 12/01/2051
0.52%
9
GNMA2 30YR TBA(REG C) 5.50% 11/19/2026
0.52%
10
GNMA2 30YR 2.50% 07/20/2051
0.51%
Exposure
Sector
Unclassified100.0%
Country
Unclassified100.0%
Weights of holdings joined to company profiles; bonds, cash and derivatives fall under Unclassified.
InsiderStreet scores of the holdings
The holdings are not companies we score (e.g. bonds or commodities).