Rafferty Asset Management, LLC - BLUEBIRD BIO INC ownership

BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 238 filers reported holding BLUEBIRD BIO INC in Q1 2021. The put-call ratio across all filers is 1.69 and the average weighting 0.1%.

Quarter-by-quarter ownership
Rafferty Asset Management, LLC ownership history of BLUEBIRD BIO INC
ValueSharesWeighting
Q3 2023$4,533,889
-25.0%
1,491,411
-18.8%
0.03%
-20.6%
Q2 2023$6,045,250
+11.3%
1,837,462
+7.6%
0.03%
-8.1%
Q1 2023$5,432,849
-32.5%
1,708,443
+46.9%
0.04%
-44.8%
Q4 2022$8,049,088
+31.0%
1,163,163
+19.8%
0.07%
+3.1%
Q3 2022$6,144,000
+465.7%
970,584
+270.1%
0.06%
+550.0%
Q2 2022$1,086,000
-77.1%
262,261
-73.2%
0.01%
-64.3%
Q1 2022$4,749,000
-19.2%
979,122
+66.4%
0.03%
-9.7%
Q4 2021$5,879,000
+76.5%
588,528
+237.7%
0.03%
+34.8%
Q3 2021$3,330,000
+29.3%
174,274
+116.4%
0.02%
+43.8%
Q2 2021$2,576,000
-58.8%
80,535
-61.1%
0.02%
-62.8%
Q1 2021$6,248,000
+263.0%
207,220
+421.0%
0.04%
+152.9%
Q4 2020$1,721,000
-21.9%
39,772
-2.6%
0.02%
-37.0%
Q3 2020$2,204,000
+141.7%
40,846
+173.3%
0.03%
+107.7%
Q2 2020$912,000
+286.4%
14,944
+190.6%
0.01%
+30.0%
Q1 2020$236,000
-93.8%
5,142
-88.2%
0.01%
-83.1%
Q4 2019$3,836,000
-32.4%
43,712
-29.3%
0.06%
-33.7%
Q3 2019$5,678,000
+6.2%
61,835
+47.1%
0.09%
-5.3%
Q2 2019$5,345,000
-4.9%
42,024
+17.6%
0.09%
+4.4%
Q1 2019$5,620,00035,7230.09%
Other shareholders
BLUEBIRD BIO INC shareholders Q1 2021
NameSharesValueWeighting ↓
Monashee Investment Management LLC 125,000$13,131,0005.55%
Cormorant Asset Management, LP 275,000$28,889,0004.79%
Eventide Asset Management 569,700$59,847,0003.73%
Crosspoint Capital Strategies, LLC 28,937$3,040,0002.66%
Casdin Capital, LLC 65,000$6,828,0002.53%
ARK Investment Management 119,683$12,573,0002.45%
RTW INVESTMENTS, LP 104,383$10,965,0002.31%
Taylor Wealth Management Partners 38,368$4,031,0001.82%
First Light Asset Management, LLC 33,780$3,549,0001.19%
Atika Capital Management LLC 25,000$2,627,0000.92%
View complete list of BLUEBIRD BIO INC shareholders