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Paratek Pharmaceuticals, Inc. (PRTK)

NasdaqGM - NasdaqGM Real-time price. Currency in USD
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4.4700+0.0400 (+0.90%)
At close: 04:00PM EST
4.4700 0.00 (0.00%)
After hours: 05:39PM EST
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
7.73%% of shares held by all insiders
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.2,917,14029 Sept 20215.98%14,177,300
Omega Fund Management, Llc2,606,80929 Sept 20215.34%12,669,091
Vanguard Group, Inc. (The)2,161,81829 Sept 20214.43%10,506,435
Rock Springs Capital Management, LP1,665,01429 Sept 20213.41%8,091,968
AIGH Capital Management LLC1,609,39829 Sept 20213.30%7,821,674
Bruce & Co, Inc.1,343,31229 Sept 20212.75%6,528,496
General American Investors Company Inc1,112,65829 Sept 20212.28%5,407,517
Abingworth, LLP1,041,13129 Sept 20212.13%5,059,896
Granahan Investment Management Inc.821,65429 Sept 20211.68%3,993,238
State Street Corporation758,43529 Sept 20211.55%3,685,994

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund1,241,87229 Sept 20212.55%6,035,497
Bruce & Co., Inc.1,213,31229 Sept 20212.49%5,896,696
General American Investors Co1,112,65829 Sept 20212.28%5,407,517
iShares Russell 2000 ETF1,084,95830 Oct 20212.22%5,446,489
Vanguard Extended Market Index Fund597,53629 Sept 20211.22%2,904,024
JNL Series Trust-JNL/Multi Manager Small Cap GrowthFd396,38729 Sept 20210.81%1,926,440
iShares Russell 2000 Growth ETF376,52730 Oct 20210.77%1,890,165
Fidelity Small Cap Index Fund298,27930 Oct 20210.61%1,497,360
Fidelity Extended Market Index Fund216,95930 Oct 20210.44%1,089,134
Schwab Strategic Tr-Schwab U.S. Small Cap ETF163,15430 Aug 20210.33%907,136