A detailed history of Chesley Taft & Associates LLC transactions in Astrazeneca PLC stock. As of the latest transaction made, Chesley Taft & Associates LLC holds 152,750 shares of AZN stock, worth $13.7 Million. This represents 0.55% of its overall portfolio holdings.

Number of Shares
152,750
Previous 126,765 20.5%
Holding current value
$13.7 Million
Previous $9.73 Million 40.41%
% of portfolio
0.55%
Previous 0.42%

Shares

6 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q4 2025

Jan 14, 2026

BUY
$81.15 - $89.4 $2.11 Million - $2.32 Million
25,985 Added 20.5%
152,750 $13.7 Million
Q3 2025

Oct 07, 2025

SELL
$68.72 - $82.11 $389,642 - $465,563
-5,670 Reduced 4.28%
126,765 $9.73 Million
Q2 2025

Jul 09, 2025

BUY
$64.87 - $75.0 $34,056 - $39,375
525 Added 0.4%
132,435 $9.25 Million
Q1 2025

Apr 10, 2025

BUY
$65.37 - $77.96 $8.4 Million - $10 Million
128,510 Added 3779.71%
131,910 $9.7 Million
Q4 2024

Jan 16, 2025

SELL
$63.2 - $79.58 $829,500 - $1.04 Million
-13,125 Reduced 79.43%
3,400 $222,000
Q3 2024

Oct 07, 2024

BUY
$76.67 - $87.62 $1.27 Million - $1.45 Million
16,525 New
16,525 $1.29 Million

Others Institutions Holding AZN

About ASTRAZENECA PLC


  • Ticker AZN
  • Exchange OTC
  • Sector Healthcare
  • Industry Drug Manufacturers—General
  • Shares Outstandng 3,099,020,032
  • Market Cap $277B
  • Description
  • AstraZeneca PLC, a biopharmaceutical company, focuses on the discovery, development, manufacturing, and commercialization of prescription medicines. Its marketed products include Calquence, Enhertu, Faslodex, Imfinzi, Iressa, Koselugo, Lumoxiti, Lynparza, Orpathys, Tagrisso, and Zoladex for oncology; Brilinta/Brilique, Bydureon/Byetta, BCise, By...
More about AZN
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