A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Spero Therapeutics, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 200 shares of SPRO stock, worth $225. This represents 0.0% of its overall portfolio holdings.

Number of Shares
200
Previous 500 60.0%
Holding current value
$225
Previous $0 NaN%
% of portfolio
0.0%
Previous 0.0%

Shares

10 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 14, 2024

SELL
$1.19 - $1.5 $274,424 - $345,913
-230,609 Reduced 73.91%
81,425 $109,000
Q2 2024

Aug 14, 2024

BUY
$1.27 - $1.8 $396,283 - $561,661
312,034 New
312,034 $405,000
Q4 2023

Feb 14, 2024

BUY
$1.0 - $1.47 $32,274 - $47,442
32,274 New
32,274 $47,000
Q2 2023

Aug 14, 2023

BUY
$1.42 - $1.95 $21,237 - $29,164
14,956 New
14,956 $21,000
Q2 2022

Aug 15, 2022

BUY
$0.74 - $7.44 $72,189 - $725,801
97,554 Added 903.53%
108,351 $80,000
Q1 2022

May 16, 2022

SELL
$7.87 - $15.15 $7,988 - $15,377
-1,015 Reduced 8.59%
10,797 $94,000
Q2 2021

Aug 16, 2021

SELL
$12.22 - $15.79 $101,034 - $130,551
-8,268 Reduced 41.18%
11,812 $164,000
Q1 2021

May 17, 2021

SELL
$13.23 - $21.48 $166,142 - $269,745
-12,558 Reduced 38.48%
20,080 $296,000
Q4 2020

Feb 16, 2021

BUY
$11.65 - $22.07 $131,971 - $250,008
11,328 Added 53.16%
32,638 $633,000
Q3 2020

Nov 16, 2020

BUY
$8.96 - $14.12 $190,937 - $300,897
21,310 New
21,310 $238,000

Others Institutions Holding SPRO

About Spero Therapeutics, Inc.


  • Ticker SPRO
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 35,067,500
  • Market Cap $39.6M
  • Description
  • Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic to ...
More about SPRO
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