Security key
39868T105
Gritstone bio, Inc. - Common Stock, $0.0001 par value per share (GRTS)
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
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2023
Institutions
88
Top holders
10
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
Reporting periods
Holder history for CUSIP 39868T105
Recent filing periods:
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
15/15
Latest evidence
30 Jun 2023
13F
Lead comparable stake: 4.7%
Showing 1-6 of 15 holder rows.
Quick read
Point72 Asset Management, L.P. leads the comparable SEC ownership view at 4.7%.
15 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.
Comparable ownership
Top 5
Point72 Asset Management, L.P.
4.7%
Redmile Group, LLC
4.3%
BlackRock Finance, Inc.
3.9%
VANGUARD GROUP INC
2.5%
Versant Venture Management, LLC
2.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
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
|
4.7%
|
$14,768,676
7,573,680 shares
|
— | 30 Jun 2023 |
| Redmile Group, LLC |
13F
Company
|
4.3%
|
$13,377,441
6,860,226 shares
|
— | 30 Jun 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
3.9%
|
$12,116,193
6,213,432 shares
|
— | 30 Jun 2023 |
| VANGUARD GROUP INC |
13F
Company
|
2.5%
|
$7,895,554
4,049,002 shares
|
— | 30 Jun 2023 |
| Versant Venture Management, LLC |
13F
Company
|
2.2%
|
$6,944,243
3,561,150 shares
|
— | 30 Jun 2023 |
| Avidity Partners Management LP |
13F
Company
|
1.7%
|
$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
88
Shares
48,612,900
Rows available
88
| 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
1
Q3 2023 holders
88
Holder diff
87
| 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