Put Options Transactions Made in Q3 2021 in Gritstone Bio, Inc. (GRTS)

GRTS Quotes by TradingView

This table provides information about the institutional ownership of Gritstone Bio, Inc. (GRTS) during Q3 2021. The information is specifically focused on institutions that hold put options of Gritstone bio, Inc..

Report Date Institution (Fund) Operation Option Shares change Value Range Shares Held Trade History
Nov 16, 2021 Q3 2021
Jane Street Group, LLC

New York, NY
BUY
 PUT
172K
New
$1.1M - $2.33M
172K $5.16K
Nov 10, 2021 Q3 2021
Hap Trading, LLC

New York, NY
BUY
 PUT
18.2K
New
$117K - $246K
18.2K $546

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