ESSEX INVESTMENT MANAGEMENT CO LLC - GLOBAL BLOOD THERAPEUTICS IN ownership

GLOBAL BLOOD THERAPEUTICS IN's ticker is GBT and the CUSIP is 37890U108. A total of 196 filers reported holding GLOBAL BLOOD THERAPEUTICS IN in Q4 2018. The put-call ratio across all filers is 0.35 and the average weighting 0.4%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of GLOBAL BLOOD THERAPEUTICS IN
ValueSharesWeighting
Q3 2018$525,000
-56.2%
13,825
-47.9%
0.06%
-58.7%
Q2 2018$1,199,000
+175.0%
26,537
+193.9%
0.15%
+163.2%
Q1 2018$436,0009,0300.06%
Other shareholders
GLOBAL BLOOD THERAPEUTICS IN shareholders Q4 2018
NameSharesValueWeighting ↓
Foresite Capital Management III, LLC 460,000$14,872,00013.19%
VHCP Management II, LLC 141,611$4,578,0003.76%
Perceptive Advisors 1,186,630$38,363,0002.84%
RTW INVESTMENTS, LP 175,156$5,663,0001.87%
Casdin Capital, LLC 65,000$2,101,0001.86%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 1,163,811$37,626,0001.52%
RA Capital Management 457,142$14,779,0001.46%
VHCP Management, LLC 60,691$1,962,0001.19%
Iguana Healthcare Management, LLC 110,000$3,556,0001.17%
Partner Investment Management, L.P. 15,634$505,0000.83%
View complete list of GLOBAL BLOOD THERAPEUTICS IN shareholders