California Public Employees Retirement System’s Merrimack Pharmaceuticals, Inc. MACK Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q3	–	Sell	-10,562	Closed	-$103K	–	3383
2017 Q2	$103K	Hold	10,562	–	–	﹤0.01%	3172
2017 Q1	$256K	Sell	10,562 -458	-4%	-$11.5K	﹤0.01%	2933
2016 Q4	$354K	Hold	11,020	–	–	﹤0.01%	2849
2016 Q3	$551K	Sell	11,020 -762	-6%	-$31.6K	﹤0.01%	2674
2016 Q2	$500K	Sell	11,782 -369	-3%	-$20.1K	﹤0.01%	2720
2016 Q1	$800K	Sell	12,151 -750	-6%	-$39.1K	﹤0.01%	2476
2015 Q4	$802K	Hold	12,901	–	–	﹤0.01%	2523
2015 Q3	$864K	Hold	12,901	–	–	﹤0.01%	2455
2015 Q2	$1.25M	Hold	12,901	–	–	﹤0.01%	2362
2015 Q1	$1.01M	Hold	12,901	–	–	﹤0.01%	2574
2014 Q4	$1.01M	Buy	+12,901	New	+$940K	﹤0.01%	2574
2013 Q4	–	Sell	-496	Closed	-$15K	–	4084
2013 Q3	$15K	Buy	496 +420	+553%	+$14.7K	﹤0.01%	3796
2013 Q2	$4K	Buy	+76	New	+$3.33K	﹤0.01%	3938