Perceptive Advisors’s bluebird bio BLUE Stock Holding History

Perceptive 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 Q1	–	Sell	-1,112	Closed	-$2.56M	–	142
2017 Q4	$2.56M	Buy	+1,112	New	+$2.26M	0.09%	85
2017 Q3	–	Sell	-1,544	Closed	-$2.1M	–	142
2017 Q2	$2.1M	Buy	1,544 +1,185	+330%	+$1.43M	0.11%	82
2017 Q1	$422K	Buy	+359	New	+$366K	0.02%	125
2015 Q2	–	Sell	-10,422	Closed	-$16.3M	–	177
2015 Q1	$16.3M	Sell	10,422 -6,948	-40%	-$9.17M	1.27%	21
2014 Q4	$20.6M	Buy	+17,370	New	+$11.6M	1.73%	17
2014 Q2	–	Sell	-1,544	Closed	-$455K	–	124
2014 Q1	$455K	Hold	1,544	–	–	0.05%	94
2013 Q4	$420K	Buy	+1,544	New	+$431K	0.05%	76

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

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

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

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

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

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

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

Perceptive Advisors's BLUE Position: Q1 2018 in Review

Perceptive Advisors sold out of bluebird bio (BLUE) in Q1 2018, closing a stake of 1,112 shares — an estimated $2.56M sold.

Perceptive Advisors first reported a position in BLUE in Q4 2013 and held it in 7 quarters. The position peaked at $20.6M in Q4 2014. 303 funds tracked by Wall St. Rank hold BLUE as of Q1 2018.

Perceptive Advisors reported no remaining bluebird bio position as of Q1 2018 after selling out during the quarter.
Perceptive Advisors sold 1,112 bluebird bio shares in Q1 2018, an estimated $2.56M.
Perceptive Advisors first reported a position in bluebird bio in Q4 2013 and held it in 7 quarters.
Perceptive Advisors's bluebird bio position peaked at $20.6M in Q4 2014.
303 funds tracked by Wall St. Rank held bluebird bio as of Q1 2018.

Based on Perceptive Advisors's 13F filing for Q1 2018, filed 15 May 2018.