Put Options

9 transactions
Quarter Operation Price Per put puts change puts Held SEC Form
Q3 2024

Nov 14, 2024

SELL
$0.45 - $0.71 $17,685 - $27,903
-39,300 Reduced 39.66%
59,800 $34,000
Q2 2024

Aug 14, 2024

SELL
$0.62 - $2.35 $101,804 - $385,870
-164,200 Reduced 62.36%
99,100 $61,000
Q1 2024

May 15, 2024

BUY
$1.96 - $2.9 $417,088 - $617,120
212,800 Added 421.39%
263,300 $676,000
Q4 2023

Feb 14, 2024

BUY
$1.28 - $2.85 $48,896 - $108,870
38,200 Added 310.57%
50,500 $103,000
Q3 2023

Nov 14, 2023

SELL
$1.19 - $2.26 $4,284 - $8,135
-3,600 Reduced 22.64%
12,300 $21,000
Q2 2023

Aug 14, 2023

SELL
$1.66 - $3.03 $46,812 - $85,446
-28,200 Reduced 63.95%
15,900 $31,000
Q1 2023

May 15, 2023

BUY
$2.13 - $3.74 $54,315 - $95,370
25,500 Added 137.1%
44,100 $122,000
Q4 2022

Feb 14, 2023

SELL
$2.17 - $3.92 $20,615 - $37,240
-9,500 Reduced 33.81%
18,600 $64,000
Q3 2022

Nov 14, 2022

SELL
$2.46 - $4.75 $99,876 - $192,850
-40,600 Reduced 59.1%
28,100 $72,000

Others Institutions Holding GRTS

About Gritstone bio, Inc.


  • Ticker GRTS
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 73,006,896
  • Market Cap $2.19M
  • Description
  • 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 ...
More about GRTS
Track Ken Griffin's Portfolio

Track Ken Griffin Portfolio

Follow Ken Griffin (Citadel Advisors LLC) and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Citadel Advisors LLC, based on Form 13F filings with the SEC.

News

Stay updated on Citadel Advisors LLC and Ken Griffin with notifications on news.