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
Date	Value	Name	Entity	Role	Shares	Max Price
23 May 23	BuyUS$22,829	Vassiliki Economides	Individual		12,000	US$1.90

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 Type	Number of Shares	Ownership Percentage
Private Companies	7,760	0.00729%
Individual Insiders	2,278,563	2.14%
Hedge Funds	5,872,605	5.52%
Institutions	36,533,998	34.3%
General Public	61,706,001	58%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 19.7%.

Top Shareholders

Top 25 shareholders own 39.44% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
5.52%	Redmile Group, LLC	5,872,605	US$4.8m	-31%	0.18%
5.52%	BlackRock, Inc.	5,868,353	US$4.8m	-3.61%	no data
5.19%	Morgan Stanley, Investment Banking and Brokerage Investments	5,519,102	US$4.5m	216%	no data
4.15%	The Vanguard Group, Inc.	4,416,292	US$3.6m	8.82%	no data
3.74%	Point72 Asset Management, L.P.	3,974,873	US$3.2m	-32.9%	0.01%
3.35%	Versant Venture Management, LLC	3,561,150	US$2.9m	0%	0.81%
1.87%	FMR LLC	1,985,272	US$1.6m	133%	no data
1.79%	Geode Capital Management, LLC	1,905,773	US$1.6m	7.85%	no data
1.67%	State Street Global Advisors, Inc.	1,781,003	US$1.4m	11.6%	no data
1.47%	Andrew Allen	1,567,475	US$1.3m	2.89%	no data
0.97%	Frazier Life Sciences Management, LP	1,030,878	US$838.5k	-28%	0.04%
0.75%	Ensign Peak Advisors, Inc.	797,880	US$649.0k	0%	no data
0.69%	Northern Trust Global Investments	731,922	US$595.3k	1.22%	no data
0.35%	Karin Jooss	377,384	US$307.0k	6.24%	no data
0.31%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	331,589	US$269.7k	-2.89%	no data
0.31%	BNY Mellon Asset Management	326,524	US$265.6k	19.7%	no data
0.29%	Citadel Advisors LLC	304,572	US$247.7k	-13.7%	no data
0.25%	Charles Schwab Investment Management, Inc.	267,205	US$217.3k	0%	no data
0.19%	PanAgora Asset Management, Inc.	201,439	US$163.8k	-4.89%	no data
0.19%	Jane Street Group, LLC, Asset Management Arm	200,982	US$163.5k	0%	no data
0.19%	UBS Asset Management AG	197,668	US$160.8k	-25.7%	no data
0.18%	Bridgeway Capital Management, LLC	193,900	US$157.7k	0%	no data
0.18%	Group One Trading LP, Asset Management Arm	187,324	US$152.4k	442%	no data
0.18%	Bank of America Corporation, Asset Management Arm	187,030	US$152.1k	323%	no data
0.16%	DSS Wealth Management, Inc.	170,345	US$138.6k	0%	0.46%