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Paratek Pharmaceuticals, Inc. (PRTK)

NasdaqGM - NasdaqGM Real Time Price. Currency in USD
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4.3100-0.1600 (-3.58%)
At close: 04:00PM EST
4.3100 0.00 (0.00%)
After hours: 04:01PM EST

Major Holders

Currency in USD
Breakdown
7.73%% of Shares Held by All Insider
51.42%% of Shares Held by Institutions
55.72%% of Float Held by Institutions
149Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Blackrock Inc.2,917,140Sep. 29, 20215.98%14,177,300
Omega Fund Management, Llc2,606,809Sep. 29, 20215.34%12,669,091
Vanguard Group, Inc. (The)2,161,818Sep. 29, 20214.43%10,506,435
Rock Springs Capital Management, LP1,665,014Sep. 29, 20213.41%8,091,968
AIGH Capital Management LLC1,609,398Sep. 29, 20213.30%7,821,674
Bruce & Co, Inc.1,343,312Sep. 29, 20212.75%6,528,496
General American Investors Company Inc1,112,658Sep. 29, 20212.28%5,407,517
Abingworth, LLP1,041,131Sep. 29, 20212.13%5,059,896
Granahan Investment Management Inc.821,654Sep. 29, 20211.68%3,993,238
State Street Corporation758,435Sep. 29, 20211.55%3,685,994

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Total Stock Market Index Fund1,241,872Sep. 29, 20212.55%6,035,497
Bruce & Co., Inc.1,213,312Sep. 29, 20212.49%5,896,696
General American Investors Co1,112,658Sep. 29, 20212.28%5,407,517
iShares Russell 2000 ETF1,084,958Oct. 30, 20212.22%5,446,489
Vanguard Extended Market Index Fund597,536Sep. 29, 20211.22%2,904,024
JNL Series Trust-JNL/Multi Manager Small Cap GrowthFd396,387Sep. 29, 20210.81%1,926,440
iShares Russell 2000 Growth ETF376,527Oct. 30, 20210.77%1,890,165
Fidelity Small Cap Index Fund298,279Oct. 30, 20210.61%1,497,360
Fidelity Extended Market Index Fund216,959Oct. 30, 20210.44%1,089,134
Schwab Strategic Tr-Schwab U.S. Small Cap ETF163,154Aug. 30, 20210.33%907,136