BlackRock Fund Advisors’s CYS Investments Inc. CYS Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$69.7M	Buy	9,012,329 +432,961	+5%	+$3.53M	0.01%	1459
2016 Q3	$74.8M	Buy	8,579,368 +493,639	+6%	+$4.35M	0.02%	1304
2016 Q2	$67.7M	Buy	8,085,729 +1,155,381	+17%	+$9.5M	0.01%	1296
2016 Q1	$56.4M	Sell	6,930,348 -650,460	-9%	-$4.79M	0.01%	1375
2015 Q4	$54.1M	Sell	7,580,808 -119,618	-2%	-$905K	0.01%	1416
2015 Q3	$55.9M	Sell	7,700,426 -212,118	-3%	-$1.64M	0.01%	1353
2015 Q2	$61.2M	Sell	7,912,544 -1,079,359	-12%	-$9.5M	0.01%	1397
2015 Q1	$80.1M	Buy	8,991,903 +166,075	+2%	+$1.48M	0.02%	1183
2014 Q4	$77M	Buy	8,825,828 +736,183	+9%	+$6.59M	0.02%	1158
2014 Q3	$66.7M	Sell	8,089,645 -104,932	-1%	-$946K	0.02%	1158
2014 Q2	$73.9M	Sell	8,194,577 -413,307	-5%	-$3.65M	0.02%	1126
2014 Q1	$71.1M	Buy	8,607,884 +154,975	+2%	+$1.28M	0.02%	1121
2013 Q4	$62.6M	Sell	8,452,909 -924,112	-10%	-$7.42M	0.02%	1219
2013 Q3	$76.2M	Buy	9,377,021 +564,034	+6%	+$4.56M	0.03%	975
2013 Q2	$81.2M	Buy	+8,812,987	New	+$99.2M	0.03%	813