Granahan Investment Management - PROTEOSTASIS THERAPEUTICS IN ownership

PROTEOSTASIS THERAPEUTICS IN's ticker is PTI and the CUSIP is 74373B109. A total of 53 filers reported holding PROTEOSTASIS THERAPEUTICS IN in Q1 2018. The put-call ratio across all filers is 0.81 and the average weighting 0.1%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of PROTEOSTASIS THERAPEUTICS IN
ValueSharesWeighting
Q4 2018$260,000
+32.0%
80,257
-1.9%
0.02%
+63.6%
Q3 2018$197,000
-13.6%
81,849
+0.2%
0.01%
-21.4%
Q2 2018$228,000
-31.9%
81,693
+15.8%
0.01%
-41.7%
Q1 2018$335,00070,5340.02%
Other shareholders
PROTEOSTASIS THERAPEUTICS IN shareholders Q1 2018
NameSharesValueWeighting ↓
Cormorant Asset Management, LP 3,804,027$17,803,0002.95%
HARBOURVEST PARTNERS LLC 440,627$2,062,0000.89%
NEA Management Company, LLC 3,556,778$16,646,0000.61%
Rock Springs Capital Management LP 450,000$2,106,0000.11%
Bain Capital Public Equity Management, LLC 263,498$1,233,0000.07%
ELEMENT CAPITAL MANAGEMENT LLC 65,973$309,0000.06%
Hillhouse Capital Management 865,923$4,053,0000.06%
SABBY MANAGEMENT, LLC 125,151$586,0000.04%
Marshall Wace North America L.P. 684,124$3,421,0000.02%
FNY Partners Fund LP 20,127$94,0000.02%
View complete list of PROTEOSTASIS THERAPEUTICS IN shareholders