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 $188. This represents 0.0% of its overall portfolio holdings.

Number of Shares
200
Previous 500 60.0%
Holding current value
$188
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 $33M
  • 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
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.