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 180 filers reported holding GLOBAL BLOOD THERAPEUTICS IN in Q1 2018. The put-call ratio across all filers is 0.55 and the average weighting 0.3%.

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 Q1 2018
NameSharesValueWeighting ↓
Alerce Investment Management, L.P. 356,270$24,262,00023.36%
Twin Securities, Inc. 376,669$25,651,00011.94%
Paradigm Biocapital Advisors LP 1,175,879$80,077,00010.68%
Chicago Capital Management, LLC 246,246$16,769,0009.12%
HARVEST MANAGEMENT LLC 141,500$9,636,0007.78%
Fernwood Investment Management, LLC 174,724$11,899,0005.02%
ArchPoint Investors 168,725$11,490,0004.69%
HAVENS ADVISORS LLC 46,000$3,133,0004.69%
Perceptive Advisors 2,322,247$158,145,0004.59%
Crabel Capital Management, LLC 112,680$7,674,0004.48%
View complete list of GLOBAL BLOOD THERAPEUTICS IN shareholders