Institutional shares held 35.4 Million
395K calls
132K puts
Total value of holdings $1.06M
$11K calls
$3K puts
Market Cap $2.19M
73,006,896 Shares Out.
Institutional ownership 48.43%
# of Institutions 61


Latest Institutional Activity in GRTS

Top Purchases

Q3 2024
Morgan Stanley Shares Held: 10.3M ($309K)
Q3 2024
Siren, L.L.C. Shares Held: 3.32M ($99.5K)
Q3 2024
Freestone Capital Holdings, LLC Shares Held: 790K ($23.7K)
Q3 2024
Geode Capital Management, LLC Shares Held: 1.25M ($37.4K)
Q3 2024
Two Sigma Investments, LP Shares Held: 133K ($4K)

Top Sells

Q3 2024
Deutsche Bank Ag\ Shares Held: 1.25M ($37.4K)
Q3 2024
Jane Street Group, LLC Shares Held: 138K ($4.15K)
Q3 2024
Northern Trust Corp Shares Held: 211K ($6.33K)
Q3 2024
Susquehanna International Group, LLP Shares Held: 205K ($6.14K)
Q3 2024
Redmile Group, LLC Shares Held: 4.92M ($148K)

About GRTS

Gritstone bio, Inc., a clinical-stage biotechnology company, engages in developing immunotherapies against multiple cancer types and infectious diseases. Its lead product candidate is GRANITE, a neoantigen-based immunotherapy for the treatment of solid tumors, including metastatic non-small cell lung cancer, as well as gastroesophageal, bladder and microsatellite stable, and colorectal cancers. The company is also developing SLATE, an off-the-shelf immunotherapy candidate for the treatment of common solid tumors comprising metastatic non-small cell lung cancer, colorectal cancer, pancreatic cancer, and shared neoantigen-positive tumors. In addition, it develops CORAL, a SARS-CoV-2 vaccine platform designed to deliver spike and additional SARS-CoV-2 T cell epitopes for protection and broader immunity against SARS-CoV-2 variants; and a therapeutic vaccine candidate designed to treat and cure human immunodeficiency virus (HIV) infection. It has a strategic collaboration with bluebird bio, Inc.; collaboration agreement with Gilead Sciences, Inc.; and license agreement with Genevant Sciences GmbH. The company was formerly known as Gritstone Oncology, Inc. and changed its name to Gritstone bio, Inc. in May 2021. Gritstone bio, Inc. was incorporated in 2015 and is headquartered in Emeryville, California.


Insider Transactions at GRTS

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
432K Shares
From 6 Insiders
Grant, award, or other acquisition 432K shares
Sell / Disposition
725K Shares
From 6 Insiders
Open market or private sale 74.8K shares
Bona fide gift 650K shares

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