DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) - PROTEOSTASIS THERAPEUTICS IN ownership

PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 90 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q4 2018. The put-call ratio across all filers is 0.75 and the average weighting 0.1%.

Quarter-by-quarter ownership
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) ownership history of PROTEOSTASIS THERAPEUTICS IN
ValueSharesWeighting
Q4 2018$1,358,000
+1576.5%
419,000
+2328.8%
0.05%
+1250.0%
Q2 2017$81,000
-96.4%
17,251
-90.7%
0.00%
-95.7%
Q4 2016$2,280,000
-21.4%
186,0000.0%0.09%
-30.4%
Q3 2016$2,900,000186,0000.14%
Other shareholders
PROTEOSTASIS THERAPEUTICS IN shareholders Q4 2018
NameSharesValueWeighting ↓
Cormorant Asset Management, LP 3,804,027$46,637,0006.29%
NEA Management Company, LLC 3,556,778$43,606,0001.73%
Opaleye Management Inc. 150,000$1,839,0001.08%
Rock Springs Capital Management LP 450,000$5,517,0000.37%
Hillhouse Capital Management 865,923$10,616,0000.24%
Eventide Asset Management 220,000$2,697,0000.18%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 186,000$2,280,0000.09%
Virtus ETF Advisers LLC 24,169$296,0000.09%
TFS CAPITAL LLC 20,078$246,0000.07%
Trexquant Investment LP 19,600$240,0000.04%
View complete list of PROTEOSTASIS THERAPEUTICS IN shareholders