Gritstone bio, Inc.

NasdaqGS:GRTS Stock Report

Market Cap: US$6.0m

Gritstone bio Ownership

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

Recent Insider Transactions

NasdaqGS:GRTS Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
16 May 24SellUS$6,929Matthew HawrylukIndividual9,259US$0.75
16 May 24SellUS$10,288Vassiliki EconomidesIndividual13,749US$0.75
16 May 24SellUS$10,288Karin JoossIndividual13,749US$0.75
16 May 24SellUS$10,288Erin JonesIndividual13,749US$0.75
16 May 24SellUS$18,156Andrew AllenIndividual24,263US$0.75

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of GRTS?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders2,671,6102.26%
Institutions33,970,63828.8%
General Public81,466,82669%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 26.9%.

Top Shareholders

Top 25 shareholders own 29.39% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
3.93%
The Vanguard Group, Inc.
4,643,928US$236.4k-1.9%no data
3.77%
Morgan Stanley, Investment Banking and Brokerage Investments
4,453,230US$226.7k-33.9%no data
3.02%
Versant Venture Management, LLC
3,561,150US$181.3k0%0.07%
2.93%
Alyeska Investment Group, L.P.
3,461,489US$176.2k0%no data
2.73%
Deutsche Asset & Wealth Management
3,228,972US$164.4k8.35%no data
2.57%
Artal Group S.A.
3,030,952US$154.3k194%no data
1.53%
Andrew Allen
1,811,613US$92.2k15.6%no data
1.36%
FMR LLC
1,607,171US$81.8k54%no data
0.96%
Goldman Sachs Group, Investment Banking and Securities Investments
1,136,307US$57.8k248%no data
0.94%
Millennium Management LLC
1,108,176US$56.4k0%no data
0.89%
Geode Capital Management, LLC
1,045,670US$53.2k-47.4%no data
0.74%
BlackRock, Inc.
871,995US$44.4k-84.9%no data
0.62%
Northern Trust Global Investments
730,879US$37.2k-3.13%no data
0.6%
Jane Street Group, LLC, Asset Management Arm
703,317US$35.8k374%no data
0.5%
Susquehanna International Group, LLP, Asset Management Arm
596,055US$30.3k0%no data
0.47%
Victory Capital Management Inc.
553,150US$28.2k4,600%no data
0.39%
Karin Jooss
460,989US$23.5k22.2%no data
0.28%
State Street Global Advisors, Inc.
329,830US$16.8k-81.7%no data
0.21%
Forum Financial Management, LP
250,000US$12.7k63.2%no data
0.2%
Freestone Capital Management, LLC
232,658US$11.8k0%no data
0.19%
Point72 Asset Management, L.P.
224,302US$11.4k-92.7%no data
0.17%
Dimensional Fund Advisors LP
199,558US$10.2k-30.4%no data
0.16%
Centiva Capital, LP
186,700US$9.5k0%no data
0.13%
Ironwood Investment Management, LLC
150,087US$7.6k-4.77%no data
0.12%
Bridgeway Capital Management, LLC
139,400US$7.1k-47.2%no data