GRTS

Gritstone bio, Inc.

Total Trades

1

Buys

1

Sells

0

Largest Trade

$15K–$50K

Insiders

1

Institutional Funds

2

Inst. Value

$1M+

Activist Filings

22

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Economides VassilikiSee RemarksBUY$15K–$50K12K$1.90May 24, 2023
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Institutional Ownership

13F filings as of Sep 30, 2023 · 2 funds holding

FundShares
VANGUARD GROUP INC4.0M
CITIGROUP INC24

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Redmile Group, LLC

SC 13G/A · Feb 15, 2025

8.2%

13.2M shares

Morgan Stanley I.R.S. # 36-3145972

SC 13G/A · Nov 7, 2024

0.0%

11K shares

Morgan Stanley I.R.S. # 36-3145972

SC 13G/A · Nov 6, 2024

8.7%

10.3M shares

RedCo II Master Fund, L.P.

SC 13G · Oct 7, 2024

6.2%

8.2M shares

BlackRock, Inc.

SC 13G/A · Jul 8, 2024

0.8%

872K shares

Redmile Group, LLC

SC 13G/A · Feb 14, 2024

9.9%

10.1M shares

Point72 Asset Management, L.P.

SC 13G/A · Feb 14, 2024

4.2%

4.0M shares

0.0%

0 shares

BlackRock, Inc.

SC 13G · Jan 29, 2024

6.2%

5.9M shares

Redmile Group, LLC

SC 13G/A · Feb 14, 2023

9.9%

8.5M shares

Avidity Partners Management LP

SC 13G/A · Feb 14, 2023

3.3%

2.9M shares

5.0%

4.1M shares

EcoR1 Capital, LLC

SC 13G/A · Feb 10, 2023

0.0%

0 shares

Versant Venture Capital V, L.P.

SC 13G/A · Feb 9, 2023

3.3%

2.7M shares

BlackRock, Inc.

SC 13G · Jul 8, 2022

2.6%

1.9M shares

Redmile Group, LLC

SC 13G/A · Feb 14, 2022

9.9%

7.3M shares

EcoR1 Capital, LLC

SC 13G/A · Feb 14, 2022

9.3%

6.3M shares

Biotechnology Value Fund, L.P.

SC 13G/A · Feb 12, 2022

0.0%

0 shares

Avidity Partners Management LP

SC 13G/A · Feb 12, 2022

9.9%

7.0M shares

Versant Venture Capital V, L.P.

SC 13G/A · Feb 11, 2022

4.0%

2.7M shares