A.R.T. Advisors’s bluebird bio BLUE Stock Holding History

A.R.T. Advisors’s Portfolio BLUE Stock Details BLUE Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q2	–	Sell	-394	Closed	-$870K	–	1430
2018 Q1	$870K	Sell	394 -2,794	-88%	-$7.11M	0.03%	719
2017 Q4	$7.36M	Buy	+3,188	New	+$6.47M	0.33%	35
2017 Q3	–	Sell	-371	Closed	-$504K	–	1365
2017 Q2	$504K	Buy	+371	New	+$448K	0.03%	802
2016 Q1	–	Sell	-5,044	Closed	-$4.2M	–	1363
2015 Q4	$4.2M	Buy	+5,044	New	+$5.04M	0.2%	114
2015 Q3	–	Sell	-4,873	Closed	-$10.6M	–	1365
2015 Q2	$10.6M	Buy	4,873 +436	+10%	+$888K	0.35%	35
2015 Q1	$6.94M	Buy	4,437 +2,550	+135%	+$3.36M	0.24%	101
2014 Q4	$2.24M	Buy	+1,887	New	+$1.26M	0.08%	357
2014 Q3	–	Sell	-1,407	Closed	-$702K	–	1314
2014 Q2	$702K	Buy	+1,407	New	+$451K	0.04%	630

Other funds holding BLUE

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

A.R.T. Advisors's BLUE Position: Q2 2018 in Review

A.R.T. Advisors sold out of bluebird bio (BLUE) in Q2 2018, closing a stake of 394 shares — an estimated $870K sold.

A.R.T. Advisors first reported a position in BLUE in Q2 2014 and held it in 8 quarters. The position peaked at $10.6M in Q2 2015. 307 funds tracked by Wall St. Rank hold BLUE as of Q2 2018.

A.R.T. Advisors reported no remaining bluebird bio position as of Q2 2018 after selling out during the quarter.
A.R.T. Advisors sold 394 bluebird bio shares in Q2 2018, an estimated $870K.
A.R.T. Advisors first reported a position in bluebird bio in Q2 2014 and held it in 8 quarters.
A.R.T. Advisors's bluebird bio position peaked at $10.6M in Q2 2015.
307 funds tracked by Wall St. Rank held bluebird bio as of Q2 2018.

Based on A.R.T. Advisors's 13F filing for Q2 2018, filed 14 Aug 2018.