RSCM
BLUE

Rock Springs Capital Management’s bluebird bio BLUE Stock Holding History

Rock Springs Capital Management’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
2020
Q1 		– Sell
-2,702
Closed -$3.07M – 132
2019
Q4 		$3.07M Sell
2,702
-926
-26% -$1.01M 0.1% 112
2019
Q3 		$4.32M Hold
3,628
– – 0.17% 113
2019
Q2 		$5.98M Buy
3,628
+154
+4% +$266K 0.22% 94
2019
Q1 		$7.08M Hold
3,474
– – 0.27% 95
2018
Q4 		$4.46M Sell
3,474
-579
-14% -$888K 0.21% 101
2018
Q3 		$7.67M Buy
4,053
+579
+17% +$1.2M 0.28% 97
2018
Q2 		$7.06M Hold
3,474
– – 0.27% 102
2018
Q1 		$7.68M Hold
3,474
– – 0.33% 93
2017
Q4 		$8.02M Buy
3,474
+772
+29% +$1.57M 0.36% 85
2017
Q3 		$4.81M Buy
2,702
+232
+9% +$324K 0.22% 104
2017
Q2 		$3.36M Buy
2,470
+115
+5% +$139K 0.17% 112
2017
Q1 		$2.77M Buy
2,355
+155
+7% +$158K 0.16% 112
2016
Q4 		$1.76M Buy
2,200
+656
+42% +$521K 0.12% 115
2016
Q3 		$1.36M Hold
1,544
– – 0.09% 129
2016
Q2 		$866K Hold
1,544
– – 0.06% 134
2016
Q1 		$850K Hold
1,544
– – 0.07% 126
2015
Q4 		$1.28M Sell
1,544
-1,930
-56% -$1.93M 0.1% 114
2015
Q3 		$3.85M Hold
3,474
– – 0.31% 96
2015
Q2 		$7.58M Buy
3,474
+1,544
+80% +$3.15M 0.55% 67
2015
Q1 		$3.02M Hold
1,930
– – 0.28% 88
2014
Q4 		$2.29M Buy
+1,930
New +$1.29M 0.27% 83

Other funds holding BLUE

Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Rock Springs Capital Management's BLUE Position: Q1 2020 in Review

Rock Springs Capital Management sold out of bluebird bio (BLUE) in Q1 2020, closing a stake of 2,702 shares — an estimated $3.07M sold.

Rock Springs Capital Management first reported a position in BLUE in Q4 2014 and held it in 21 quarters. The position peaked at $8.02M in Q4 2017. 247 funds tracked by Wall St. Rank hold BLUE as of Q1 2020.

  • Rock Springs Capital Management reported no remaining bluebird bio position as of Q1 2020 after selling out during the quarter.
  • Rock Springs Capital Management sold 2,702 bluebird bio shares in Q1 2020, an estimated $3.07M.
  • Rock Springs Capital Management first reported a position in bluebird bio in Q4 2014 and held it in 21 quarters.
  • Rock Springs Capital Management's bluebird bio position peaked at $8.02M in Q4 2017.
  • 247 funds tracked by Wall St. Rank held bluebird bio as of Q1 2020.

Based on Rock Springs Capital Management's 13F filing for Q1 2020, filed 15 May 2020.