PARATEK PHARMACEUTICALS INC's ticker is PRTK and the CUSIP is 699374302. A total of 114 filers reported holding PARATEK PHARMACEUTICALS INC in Q1 2018. The put-call ratio across all filers is 2.75 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $295,000 | +18.0% | 42,024 | +4.7% | 0.00% | – |
| Q4 2020 | $250,000 | -88.9% | 40,153 | -67.8% | 0.00% | -100.0% |
| Q4 2017 | $2,261,000 | -24.0% | 124,561 | +5.1% | 0.00% | -20.0% |
| Q3 2017 | $2,975,000 | +93.4% | 118,533 | +85.8% | 0.01% | +66.7% |
| Q2 2017 | $1,538,000 | +628.9% | 63,787 | +481.5% | 0.00% | – |
| Q1 2017 | $211,000 | – | 10,969 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AIGH Capital Management LLC | 1,609,398 | $7,821,000 | 1.64% |
| Telemetry Investments, L.L.C. | 242,514 | $1,179,000 | 1.59% |
| Omega Fund Management, LLC | 2,606,809 | $12,669,000 | 1.42% |
| Bruce & Co., Inc. | 1,343,312 | $6,528,000 | 1.39% |
| 1492 Capital Management LLC | 488,309 | $2,373,000 | 1.20% |
| Abingworth LLP | 1,041,131 | $5,060,000 | 1.15% |
| Trellus Management Company, LLC | 295,000 | $1,434,000 | 1.04% |
| Worth Venture Partners, LLC | 389,440 | $1,893,000 | 0.85% |
| CM Management, LLC | 200,000 | $972,000 | 0.72% |
| GENERAL AMERICAN INVESTORS CO INC | 1,112,658 | $5,408,000 | 0.46% |