A detailed history of Castleark Management LLC transactions in Charles River Laboratories International, Inc. stock. As of the latest transaction made, Castleark Management LLC holds 31,265 shares of CRL stock, worth $5.25 Million. This represents 0.16% of its overall portfolio holdings.

Number of Shares
31,265
Holding current value
$5.25 Million
% of portfolio
0.16%

Shares

7 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

BUY
$145.57 - $178.99 $4.55 Million - $5.6 Million
31,265 New
31,265 $4.89 Million
Q4 2022

Feb 09, 2023

BUY
$197.11 - $250.07 $831,804 - $1.06 Million
4,220 New
4,220 $919,000
Q3 2020

Nov 16, 2020

SELL
$175.56 - $226.45 $6.96 Million - $8.98 Million
-39,670 Closed
0 $0
Q2 2020

Aug 14, 2020

SELL
$118.84 - $189.72 $1.46 Million - $2.32 Million
-12,250 Reduced 23.59%
39,670 $6.92 Million
Q1 2020

May 13, 2020

BUY
$98.9 - $178.34 $5.13 Million - $9.26 Million
51,920 New
51,920 $6.55 Million
Q4 2017

Feb 15, 2018

SELL
$100.43 - $118.09 $503,154 - $591,630
-5,010 Closed
0 $0
Q3 2017

Nov 15, 2017

BUY
$96.72 - $109.26 $484,567 - $547,392
5,010
5,010 $541,000

Others Institutions Holding CRL

About CHARLES RIVER LABORATORIES INTERNATIONAL, INC.


  • Ticker CRL
  • Exchange NYSE
  • Sector Healthcare
  • Industry Diagnostics & Research
  • Shares Outstandng 50,863,300
  • Market Cap $8.54B
  • Description
  • Charles River Laboratories International, Inc., a non-clinical contract research organization, provides drug discovery, non-clinical development, and safety testing services in the United States, Europe, Canada, the Asia Pacific, and internationally. It operates through three segments: Research Models and Services (RMS), Discovery and Safety Ass...
More about CRL
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