ARDSLEY ADVISORY PARTNERS LP - PARATEK PHARMACEUTICALS INC ownership

PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 120 filers reported holding PARATEK PHARMACEUTICALS INC in Q2 2017. The put-call ratio across all filers is 0.41 and the average weighting 0.7%.

Quarter-by-quarter ownership
ARDSLEY ADVISORY PARTNERS LP ownership history of PARATEK PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2017$530,000
+72.1%
22,000
+37.5%
0.04%
-8.3%
Q1 2017$308,000
+59.6%
16,000
+28.0%
0.05%
+50.0%
Q4 2016$193,000
+48.5%
12,500
+25.0%
0.03%
+52.4%
Q3 2016$130,000
-6.5%
10,0000.0%0.02%
-12.5%
Q2 2016$139,000
-51.2%
10,000
-33.3%
0.02%
-35.1%
Q4 2015$285,00015,0000.04%
Other shareholders
PARATEK PHARMACEUTICALS INC shareholders Q2 2017
NameSharesValueWeighting ↓
AIGH Capital Management LLC 1,609,398$7,821,0001.64%
Telemetry Investments, L.L.C. 242,514$1,179,0001.59%
Omega Fund Management, LLC 2,606,809$12,669,0001.42%
Bruce & Co., Inc. 1,343,312$6,528,0001.39%
1492 Capital Management LLC 488,309$2,373,0001.20%
Abingworth LLP 1,041,131$5,060,0001.15%
Trellus Management Company, LLC 295,000$1,434,0001.04%
Worth Venture Partners, LLC 389,440$1,893,0000.85%
CM Management, LLC 200,000$972,0000.72%
GENERAL AMERICAN INVESTORS CO INC 1,112,658$5,408,0000.46%
View complete list of PARATEK PHARMACEUTICALS INC shareholders