Paratek Pharmaceuticals, Inc. (PRTK)
NasdaqGM - NasdaqGM Real-time price. Currency in USD
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Major holders
Currency in USDBreakdown
| 16.47% | % of shares held by all insiders |
| 57.10% | % of shares held by institutions |
| 68.36% | % of float held by institutions |
| 136 | Number of institutions holding shares |
Top institutional holders
| Holder | Shares | Date reported | % out | Value |
|---|---|---|---|---|
| AIGH Capital Management LLC | 3,139,714 | 30 Mar 2022 | 5.72% | 8,037,667 |
| Blackrock Inc. | 2,940,513 | 30 Mar 2022 | 5.36% | 7,527,713 |
| Vanguard Group, Inc. (The) | 2,278,878 | 30 Mar 2022 | 4.15% | 5,833,927 |
| Omega Fund Management, Llc | 1,971,241 | 30 Mar 2022 | 3.59% | 5,046,376 |
| General American Investors Company Inc | 1,752,470 | 29 Jun 2022 | 3.19% | 4,486,323 |
| Rock Springs Capital Management, LP | 1,726,637 | 30 Mar 2022 | 3.15% | 4,420,190 |
| Bruce & Co, Inc. | 1,557,312 | 29 Jun 2022 | 2.84% | 3,986,718 |
| J. Goldman & Co., L.P. | 1,056,631 | 30 Mar 2022 | 1.93% | 2,704,975 |
| Abingworth, LLP | 1,041,131 | 30 Mar 2022 | 1.90% | 2,665,295 |
| Fortress Investment Group LLC | 942,258 | 30 Mar 2022 | 1.72% | 2,412,180 |
Top mutual fund holders
| Holder | Shares | Date reported | % out | Value |
|---|---|---|---|---|
| General American Investors Co | 1,752,470 | 29 Jun 2022 | 3.19% | 4,486,323 |
| Bruce & Co., Inc. | 1,427,412 | 29 Jun 2022 | 2.60% | 3,654,174 |
| Vanguard Total Stock Market Index Fund | 1,332,372 | 30 Mar 2022 | 2.45% | 3,410,872 |
| iShares Russell 2000 ETF | 1,032,458 | 30 May 2022 | 1.90% | 2,643,092 |
| Vanguard Extended Market Index Fund | 607,789 | 30 Mar 2022 | 1.12% | 1,555,939 |
| iShares Russell 2000 Growth ETF | 412,627 | 30 May 2022 | 0.76% | 1,056,325 |
| Fidelity Small Cap Index Fund | 364,294 | 30 May 2022 | 0.66% | 932,592 |
| Fidelity Extended Market Index Fund | 250,389 | 30 May 2022 | 0.46% | 640,995 |
| Vanguard Russell 2000 Index Fund | 128,879 | 27 Feb 2022 | 0.24% | 329,930 |
| Bridgeway Funds Inc-Ultra Small Company Market Fund | 115,000 | 30 Mar 2022 | 0.21% | 294,399 |
| iShares Micro Cap ETF | 107,438 | 29 Jun 2022 | 0.20% | 275,041 |
| Schwab Capital Trust-Small Cap Index Fund | 112,267 | 29 Apr 2022 | 0.20% | 287,403 |
| TIAA-CREF Funds-Small-Cap Blend Index Fund | 70,795 | 29 Apr 2022 | 0.13% | 181,235 |
| EQ Advisors Trust-EQ/2000 Managed Volatility Port | 67,112 | 30 Mar 2022 | 0.12% | 171,806 |
| Quantitative Master Series Tr-Master Small Cap Index Series | 68,365 | 30 Mar 2022 | 0.12% | 175,014 |
| Highland Fds II-Highland Small Cap Equity Fd | 64,770 | 30 Mar 2022 | 0.12% | 165,811 |
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