ESSEX INVESTMENT MANAGEMENT CO LLC - PROTEOSTASIS THERAPEUTICS IN ownership

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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%.

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Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of PROTEOSTASIS THERAPEUTICS IN
ValueSharesWeighting
Q3 2018$234,000
-13.3%
96,9000.0%0.03%
-20.6%
Q2 2018$270,000
-41.3%
96,9000.0%0.03%
-43.3%
Q1 2018$460,000–96,900–0.06%–
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Other shareholders

There were no reported owners of PROTEOSTASIS THERAPEUTICS IN in Q1 2018.

NameSharesValueWeighting ↓
View complete list of PROTEOSTASIS THERAPEUTICS IN shareholders