PROTEOSTASIS THERAPEUTICS IN - COM (PTI)

Q1 2019 13F Holders as of 31 Mar 2019

Type / Class
Equity / COM
Total 13F shares
30,727,223
Share change
-9,059,344
Total reported value
$38,716,372
Put/Call ratio
50%
Price per share
$1.26
Number of holders
78
Value change
-$30,222,202
Number of buys
39
Number of sells
46

Institutional Holders of PROTEOSTASIS THERAPEUTICS IN - COM (PTI) as of Q1 2019

As of 31 Mar 2019, PROTEOSTASIS THERAPEUTICS IN - COM (PTI) was held by 78 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 30,727,223 shares. The largest 10 holders included NEA Management Company, LLC, WELLINGTON MANAGEMENT GROUP LLP, GREAT POINT PARTNERS LLC, BlackRock Inc., Sectoral Asset Management Inc, VANGUARD GROUP INC, GOLDMAN SACHS GROUP INC, MACQUARIE GROUP LTD, VHCP Management III, LLC, and SUSQUEHANNA INTERNATIONAL GROUP, LLP. This page lists 78 institutional shareholders reporting positions in this security for the Q1 2019 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.