OBERWEIS ASSET MANAGEMENT INC/ - BLUEPRINT MEDICINES CORP ownership

BLUEPRINT MEDICINES CORP's ticker is BPMC and the CUSIP is 09627Y109. A total of 126 filers reported holding BLUEPRINT MEDICINES CORP in Q2 2017. The put-call ratio across all filers is 1.51 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 Q2 2017
NameSharesValueWeighting ↓
Aquilo Capital Management, LLC 379,090$19,037,90017.25%
DAFNA Capital Management LLC 249,521$12,530,9453.90%
Rock Springs Capital Management LP 2,685,294$134,855,4653.61%
Casdin Capital, LLC 371,378$18,650,6032.06%
Novo Holdings A/S 525,000$26,365,5001.95%
CHI Advisors LLC 92,888$4,664,8351.85%
SECTORAL ASSET MANAGEMENT INC 165,890$8,330,9961.62%
Avidity Partners Management LP 751,600$37,745,3521.52%
EMERALD ADVISERS, LLC 607,037$30,485,3931.48%
EMERALD MUTUAL FUND ADVISERS TRUST 464,321$23,318,2011.41%
View complete list of BLUEPRINT MEDICINES CORP shareholders