State of Wisconsin Investment Board’s iShares MBS ETF MBB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2021 Q4	–	Sell	-327,320	Closed	-$35.4M	–	2182
2021 Q3	$35.4M	Sell	327,320 -139,625	-30%	-$15.1M	0.07%	299
2021 Q2	$50.5M	Buy	466,945 +286,945	+159%	+$31.1M	0.1%	217
2021 Q1	$19.5M	Buy	+180,000	New	+$19.5M	0.04%	450