Primecap Management’s DYAX CORPORATION DYAX Stock Holding History

Primecap Management’s Portfolio DYAX Stock Details DYAX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q1	–	Sell	-10,482,860	Closed	-$394M	–	277
2015 Q4	$394M	Sell	10,482,860 -135,000	-1%	-$4.34M	0.4%	63
2015 Q3	$203M	Hold	10,617,860	–	–	0.23%	89
2015 Q2	$281M	Sell	10,617,860 -15,000	-0.1%	-$398K	0.28%	83
2015 Q1	$178M	Sell	10,632,860 -237,000	-2%	-$3.69M	0.17%	105
2014 Q4	$153M	Sell	10,869,860 -15,100	-0.1%	-$189K	0.15%	107
2014 Q3	$110M	Sell	10,884,960 -244,870	-2%	-$2.37M	0.12%	116
2014 Q2	$107M	Sell	11,129,830 -677,160	-6%	-$5.16M	0.12%	123
2014 Q1	$106M	Hold	11,806,990	–	–	0.12%	120
2013 Q4	$88.9M	Buy	11,806,990 +900,000	+8%	+$6.84M	0.11%	126
2013 Q3	$74.8M	Buy	10,906,990 +180	+0%	+$817	0.1%	129
2013 Q2	$37.7M	Buy	+10,906,810	New	+$35.6M	0.05%	154

Primecap Management's DYAX Position: Q1 2016 in Review

Primecap Management sold out of DYAX CORPORATION (DYAX) in Q1 2016, closing a stake of 10,482,860 shares — an estimated $394M sold.

Primecap Management first reported a position in DYAX in Q2 2013 and held it in 11 quarters. The position peaked at $394M in Q4 2015. 2 funds tracked by Wall St. Rank hold DYAX as of Q1 2016.

Primecap Management reported no remaining DYAX CORPORATION position as of Q1 2016 after selling out during the quarter.
Primecap Management sold 10,482,860 DYAX CORPORATION shares in Q1 2016, an estimated $394M.
Primecap Management first reported a position in DYAX CORPORATION in Q2 2013 and held it in 11 quarters.
Primecap Management's DYAX CORPORATION position peaked at $394M in Q4 2015.
2 funds tracked by Wall St. Rank held DYAX CORPORATION as of Q1 2016.

Based on Primecap Management's 13F filing for Q1 2016, filed 12 May 2016.