Primecap Management’s Affymetrix Inc AFFX Stock Holding History

Primecap Management’s Portfolio AFFX Stock Details AFFX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q2	–	Sell	-10,544,194	Closed	-$148M	–	278
2016 Q1	$148M	Sell	10,544,194 -353,546	-3%	-$4.84M	0.15%	106
2015 Q4	$110M	Buy	10,897,740 +41,200	+0.4%	+$381K	0.11%	121
2015 Q3	$92.7M	Sell	10,856,540 -158,200	-1%	-$1.58M	0.1%	133
2015 Q2	$120M	Sell	11,014,740 -22,300	-0.2%	-$270K	0.12%	128
2015 Q1	$139M	Buy	11,037,040 +97,000	+0.9%	+$1.13M	0.14%	116
2014 Q4	$108M	Buy	10,940,040 +380,800	+4%	+$3.33M	0.11%	126
2014 Q3	$84.3M	Hold	10,559,240	–	–	0.09%	137
2014 Q2	$94.1M	Sell	10,559,240 -131,300	-1%	-$1.05M	0.1%	131
2014 Q1	$76.2M	Buy	10,690,540 +23,900	+0.2%	+$193K	0.09%	143
2013 Q4	$91.4M	Buy	10,666,640 +2,532,200	+31%	+$19.4M	0.11%	123
2013 Q3	$50.4M	Buy	8,134,440 +1,517,700	+23%	+$7.85M	0.07%	152
2013 Q2	$29.4M	Buy	+6,616,740	New	+$25.2M	0.04%	163

Other funds holding AFFX

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Primecap Management's AFFX Position: Q2 2016 in Review

Primecap Management sold out of Affymetrix Inc (AFFX) in Q2 2016, closing a stake of 10,544,194 shares — an estimated $148M sold.

Primecap Management first reported a position in AFFX in Q2 2013 and held it in 12 quarters. The position peaked at $148M in Q1 2016. 1 fund tracked by Wall St. Rank holds AFFX as of Q2 2016.

Primecap Management reported no remaining Affymetrix Inc position as of Q2 2016 after selling out during the quarter.
Primecap Management sold 10,544,194 Affymetrix Inc shares in Q2 2016, an estimated $148M.
Primecap Management first reported a position in Affymetrix Inc in Q2 2013 and held it in 12 quarters.
Primecap Management's Affymetrix Inc position peaked at $148M in Q1 2016.
1 fund tracked by Wall St. Rank held Affymetrix Inc as of Q2 2016.

Based on Primecap Management's 13F filing for Q2 2016, filed 12 Aug 2016.