William Blair & Company
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William Blair & Company’s State Street SPDR Portfolio Mortgage Backed Bond ETF SPMB Stock Holding History

William Blair & Company’s Portfolio SPMB Stock Details SPMB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$8.57K Sell
383
-108
-22% -$2.43K ﹤0.01% 1843
2025
Q4 		$11K Buy
491
+108
+28% +$2.43K ﹤0.01% 1777
2025
Q3 		$8.6K Hold
383
– – ﹤0.01% 1771
2025
Q2 		$8.46K Sell
383
-455
-54% -$9.92K ﹤0.01% 1740
2025
Q1 		$18.5K Sell
838
-982
-54% -$21.4K ﹤0.01% 1668
2024
Q4 		$39.2K Buy
1,820
+1,437
+375% +$31.5K ﹤0.01% 1635
2024
Q3 		$8.63K Hold
383
– – ﹤0.01% 1756
2024
Q2 		$8.26K Buy
383
+213
+125% +$4.55K ﹤0.01% 1754
2024
Q1 		$3.69K Buy
+170
New +$3.69K ﹤0.01% 1754
2023
Q4 		– Sell
-12
Closed -$252 – 1846
2023
Q3 		$252 Hold
12
– – ﹤0.01% 1787
2023
Q2 		$264 Buy
+12
New +$264 ﹤0.01% 1805
2022
Q4 		– Sell
-1,423
Closed -$31K – 1875
2022
Q3 		$31K Buy
+1,423
New +$32.3K ﹤0.01% 1652

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CI
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Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return