Paratek Pharmaceuticals, Inc.

NasdaqGM:PRTK Stock Report

Market Cap: US$127.8m

This company has been acquired

The company may no longer be operating, as it has been acquired. Find out why through their latest events.

Paratek Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

NasdaqGM:PRTK Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
09 Aug 23SellUS$107,727Evan LohIndividual48,967US$2.20

Insider Trading Volume

Insider Buying: PRTK insiders have only sold shares in the past 3 months.


Ownership Breakdown

What is the ownership structure of PRTK?
Owner TypeNumber of SharesOwnership Percentage
Private Companies1000.000174%
Individual Insiders7,214,04612.6%
General Public22,422,35839.1%
Institutions27,685,85448.3%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 4.5%.


Top Shareholders

Top 25 shareholders own 52.02% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
6.44%
Continental General Insurance Company, Asset Management Arm
3,693,981US$8.2m0%4.37%
5.04%
James Dondero
2,889,060US$6.4m0%no data
4.27%
Highland Capital Management, L.P.
2,445,770US$5.5m0%1.38%
3.89%
The Vanguard Group, Inc.
2,228,066US$5.0m0%no data
3.37%
Medical Strategy GmbH, Asset Management Arm
1,934,276US$4.3m0%0.28%
3.21%
General American Investors Company, Inc.
1,839,424US$4.1m-3.92%0.32%
3.03%
Rock Springs Capital Management LP
1,734,037US$3.9m0%0.1%
2.71%
Bruce & Co Inc
1,556,247US$3.5m0%1.05%
2.32%
Eversept Partners, L.P.
1,327,857US$3.0m108%0.31%
1.93%
Michael Bigham
1,105,952US$2.5m102%no data
1.87%
Evan Loh
1,069,231US$2.4m-6.99%no data
1.82%
Abingworth LLP
1,041,131US$2.3m0%1.17%
1.56%
BlackRock, Inc.
894,894US$2.0m-16.1%no data
1.33%
Newtyn Management, LLC
764,274US$1.7m0%0.31%
1.32%
J. Goldman & Co., L.P.
758,431US$1.7m-17.2%0.1%
1.09%
Adam Woodrow
623,284US$1.4m10.6%no data
0.86%
Natixis, Investment Banking and Corporate Banking Investments
491,724US$1.1m0%0.01%
0.84%
Telemetry Investments, L.L.C.
483,000US$1.1m0%3.61%
0.84%
Polar Asset Management Partners Inc.
479,504US$1.1m0%0.03%
0.8%
Laurence Lytton
459,961US$1.0m0%no data
0.77%
Geode Capital Management, LLC
439,736US$980.6k-5.8%no data
0.72%
Two Sigma Investments, LP
413,163US$921.4k2,380%no data
0.69%
D. E. Shaw & Co., L.P.
396,076US$883.2k12%no data
0.68%
GAMCO Investors, Inc.
388,760US$866.9k678%no data
0.63%
Hunting Hill Global Capital, LLC
361,226US$805.5k0%0.51%
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