OBERWEIS ASSET MANAGEMENT INC/ - BLUEPRINT MEDICINES CORP ownership

BLUEPRINT MEDICINES CORP's ticker is BPMC and the CUSIP is 09627Y109. A total of 180 filers reported holding BLUEPRINT MEDICINES CORP in Q1 2018. The put-call ratio across all filers is 0.81 and the average weighting 0.6%.

Quarter-by-quarter ownership
OBERWEIS ASSET MANAGEMENT INC/ ownership history of BLUEPRINT MEDICINES CORP
ValueSharesWeighting
Q4 2017$505,000
+9.8%
6,700
+1.5%
0.12%
-7.8%
Q3 2017$460,000
+37.7%
6,6000.0%0.13%
+39.1%
Q2 2017$334,000
+26.5%
6,6000.0%0.09%
+17.9%
Q1 2017$264,0006,6000.08%
Other shareholders
BLUEPRINT MEDICINES CORP shareholders Q1 2018
NameSharesValueWeighting ↓
Aquilo Capital Management, LLC 581,768$25,487,2569.57%
Casdin Capital, LLC 1,477,800$64,742,4185.02%
Nextech Invest Ltd. 188,228$8,246,2693.28%
DAFNA Capital Management LLC 261,235$11,444,7053.22%
Rock Springs Capital Management LP 1,891,510$82,867,0531.99%
HealthCor Management, L.P. 30,000$1,314,3001.20%
EFG Asset Management (North America) Corp. 110,853$4,766,6791.07%
Novo Holdings A/S 370,000$16,209,7001.01%
SECTORAL ASSET MANAGEMENT INC 115,900$5,077,5790.98%
EMERALD MUTUAL FUND ADVISERS TRUST 305,709$13,393,1110.83%
View complete list of BLUEPRINT MEDICINES CORP shareholders