State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB)
AMEX · inception 2009-01-30 · beta 1.15 · avg volume 1,455,734 · holdings as of 2026-10-15 · prices through 2026-10-16
AUM$6.9B
Holdings2,757
Top-10 weight0.0%
1-yr return-4.0%
Max drawdown 5y-17.0%
Volatility 1y4.9%
Performance vs S&P 500 (SPY)
■ SPMB■ SPY
Total return
1m
3m
6m
YTD
1y
3y
5y
SPMB
-1.0%
-2.9%
-5.2%
-3.9%
-4.0%
+12.3%
-3.4%
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 2022-10-20). 3y and 5y returns are cumulative.
Top holdings
#
Ticker
Name
Weight
1
SSI US GOV MONEY MARKET CLASS
4.64%
2
FED HM LN PC POOL RQ0094 FR 02/56 FIXED 5
1.12%
3
FED HM LN PC POOL RQ0118 FR 05/56 FIXED 5
1.01%
4
FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE
0.96%
5
FNMA POOL MA4547 FN 02/52 FIXED 2
0.75%
6
FED HM LN PC POOL RQ0041 FR 08/55 FIXED 6
0.73%
7
FED HM LN PC POOL SD8212 FR 05/52 FIXED 2.5
0.58%
8
FED HM LN PC POOL SD8475 FR 11/54 FIXED 5.5
0.53%
9
GNMA II POOL MB0424 G2 06/55 FIXED 5.5
0.52%
10
GNMA II POOL MB0871 G2 01/56 FIXED 5
0.49%
Exposure
Sector
Unclassified103.2%
Country
Unclassified103.2%
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).