Ghost Tree Capital’s bluebird bio BLUE Stock Holding History

Ghost Tree Capital’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
2024 Q1	–	Sell	-23,250	Closed	-$642K	–	77
2023 Q4	$642K	Buy	+23,250	New	+$1.42M	0.21%	51
2018 Q4	–	Sell	-5,790	Closed	-$10.9M	–	48
2018 Q3	$10.9M	Sell	5,790 -2,316	-29%	-$4.78M	2.33%	14
2018 Q2	$16.5M	Buy	+8,106	New	+$18.5M	4.85%	6
2017 Q1	–	Sell	-2,316	Closed	-$1.85M	–	72
2016 Q4	$1.85M	Sell	2,316 -2,316	-50%	-$1.84M	0.45%	55
2016 Q3	$4.07M	Sell	4,632 -8,492	-65%	-$6.15M	0.66%	51
2016 Q2	$7.36M	Buy	+13,124	New	+$7.43M	2.13%	16
2016 Q1	–	Sell	-9,264	Closed	-$7.71M	–	55
2015 Q4	$7.71M	Buy	+9,264	New	+$9.25M	3.16%	13
2015 Q2	–	Sell	-2,316	Closed	-$3.62M	–	74
2015 Q1	$3.62M	Hold	2,316	–	–	1.3%	37
2014 Q4	$2.75M	Sell	2,316 -386	-14%	-$258K	1.32%	36
2014 Q3	$1.26M	Buy	+2,702	New	+$1.25M	0.68%	52

Other funds holding BLUE

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

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

GIM

Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

PAI

Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

TCM

Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return

Ghost Tree Capital's BLUE Position: Q1 2024 in Review

Ghost Tree Capital sold out of bluebird bio (BLUE) in Q1 2024, closing a stake of 23,250 shares — an estimated $642K sold.

Ghost Tree Capital first reported a position in BLUE in Q3 2014 and held it in 10 quarters. The position peaked at $16.5M in Q2 2018. 158 funds tracked by Wall St. Rank hold BLUE as of Q1 2024.

Ghost Tree Capital reported no remaining bluebird bio position as of Q1 2024 after selling out during the quarter.
Ghost Tree Capital sold 23,250 bluebird bio shares in Q1 2024, an estimated $642K.
Ghost Tree Capital first reported a position in bluebird bio in Q3 2014 and held it in 10 quarters.
Ghost Tree Capital's bluebird bio position peaked at $16.5M in Q2 2018.
158 funds tracked by Wall St. Rank held bluebird bio as of Q1 2024.

Based on Ghost Tree Capital's 13F filing for Q1 2024, filed 15 May 2024.