How many institutions held GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share in Q3 2023?

88 institutional investors reported GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share for Q3 2023. Use the holders table for investor-level position and value details.

Gritstone bio, Inc. - Common Stock, $0.0001 par value per share (GRTS)

Q: What does CUSIP 39868T105 represent in this 13F holders report?

CUSIP 39868T105 is the security identifier for GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

CUSIP: 39868T105

Q3 2023 13F Holders as of 30 Sep 2023

Security type / class: Equity / Common Stock, $0.0001 par value per share
Total 13F shares: 48,612,900
Total 13F value: $83,617,044
Share change: -2,345,274
Put/Call ratio: 64%
SEC-reported price per share: $1.72
Number of holders: 88
Value change: -$4,320,891
Number of buys: 36
Number of sells: 37
Shares outstanding: 160,529,963

Security key

39868T105

Report period

Q3 2023

Institutions

Top holders

GRTS full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Gritstone bio, Inc. SEC filings Gritstone bio, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 39868T105

Newer quarter: Q3 2025

Recent filing periods:

Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of GRTS - Gritstone bio, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Point72 Asset Management,...

Disclosed value leader

Point72 Asset Management,...

Comparable rows

0/15

Latest evidence

30 Jun 2023

13F Highest disclosed value: $14,768,676 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Point72 Asset Management, L.P. has the largest disclosed position value at $14.77M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Point72 Asset Management, L.P.'s linked filing trail.

Disclosed position value Top 5

Point72 Asset Management, L.P. $14.77M

Redmile Group, LLC $13.38M

BlackRock Finance, Inc. $12.12M

VANGUARD GROUP INC $7.9M

Versant Venture Management, LLC $6.94M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Point72 Asset Management, L.P.	13F Company 13F	— denominator unverified	$14,768,676 7,573,680 shares	—	30 Jun 2023
Redmile Group, LLC	13F Company 13F	— denominator unverified	$13,377,441 6,860,226 shares	—	30 Jun 2023
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$12,116,193 6,213,432 shares	—	30 Jun 2023
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$7,895,554 4,049,002 shares	—	30 Jun 2023
Versant Venture Management, LLC	13F Company 13F	— denominator unverified	$6,944,243 3,561,150 shares	—	30 Jun 2023
Avidity Partners Management LP	13F Company 13F	— denominator unverified	$5,392,725 2,765,500 shares	—	30 Jun 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

48,612,900

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2023 vs Q3 2025 Across Filers

Q3 2025 holders

Q3 2023 holders

Holder diff

Investor	Q3 2025 Shares	Q3 2023 Shares	Share Diff	Share Chg %	Q3 2025 value	Q3 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend