PROTEOSTASIS THERAPEUTICS IN - COM (PTI)

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class
Equity / COM
Total 13F shares
39,770,789
Share change
+15,766,833
Total reported value
$128,860,905
Put/Call ratio
75%
Price per share
$3.24
Number of holders
85
Value change
+$52,716,701
Number of buys
65
Number of sells
18

Institutional Holders of PROTEOSTASIS THERAPEUTICS IN - COM (PTI) as of Q4 2018

As of 31 Dec 2018, PROTEOSTASIS THERAPEUTICS IN - COM (PTI) was held by 85 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 39,770,789 shares. The largest 10 holders included WELLINGTON MANAGEMENT GROUP LLP, NEA Management Company, LLC, JENNISON ASSOCIATES LLC, GREAT POINT PARTNERS LLC, BlackRock Inc., Vanguard Group Inc, Sectoral Asset Management Inc, venBio Select Advisor LLC, GOLDMAN SACHS GROUP INC, and PRICE T ROWE ASSOCIATES INC /MD/. This page lists 85 institutional shareholders reporting positions in this security for the Q4 2018 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.