A detailed history of Castleark Management LLC transactions in Repligen Corp stock. As of the latest transaction made, Castleark Management LLC holds 15,500 shares of RGEN stock, worth $1.93 Million. This represents 0.1% of its overall portfolio holdings.

Number of Shares
15,500
Holding current value
$1.93 Million
% of portfolio
0.1%

Shares

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

Nov 14, 2024

BUY
$119.79 - $167.35 $1.86 Million - $2.59 Million
15,500 New
15,500 $2.31 Million
Q1 2024

May 15, 2024

BUY
$170.78 - $208.42 $532,833 - $650,270
3,120 New
3,120 $573,000
Q3 2023

Nov 15, 2023

BUY
$138.78 - $176.51 $3.52 Million - $4.48 Million
25,360 New
25,360 $4.03 Million
Q3 2022

Nov 15, 2022

BUY
$160.42 - $256.21 $170,045 - $271,582
1,060 Added 72.11%
2,530 $473,000
Q3 2021

Nov 12, 2021

BUY
$194.77 - $324.21 $140,234 - $233,431
720 Added 96.0%
1,470 $425,000
Q1 2021

May 14, 2021

BUY
$180.37 - $226.26 $135,277 - $169,695
750 New
750 $146,000
Q2 2020

Aug 14, 2020

SELL
$94.33 - $140.48 $10.7 Million - $15.9 Million
-113,076 Closed
0 $0
Q1 2020

May 13, 2020

SELL
$84.96 - $109.14 $319,024 - $409,820
-3,755 Reduced 3.21%
113,076 $10.9 Million
Q4 2019

Feb 14, 2020

BUY
$73.84 - $93.08 $3.03 Million - $3.82 Million
41,051 Added 54.17%
116,831 $10.8 Million
Q3 2019

Nov 15, 2019

BUY
$76.65 - $95.51 $3.83 Million - $4.77 Million
49,960 Added 193.49%
75,780 $5.81 Million
Q2 2019

Aug 13, 2019

BUY
$54.2 - $85.95 $1.4 Million - $2.22 Million
25,820 New
25,820 $2.22 Million
Q4 2017

Feb 15, 2018

SELL
$32.53 - $38.92 $4.16 Million - $4.98 Million
-127,998 Closed
0 $0
Q3 2017

Nov 15, 2017

BUY
$36.98 - $46.06 $4.73 Million - $5.9 Million
127,998
127,998 $4.91 Million

Others Institutions Holding RGEN

About REPLIGEN CORP


  • Ticker RGEN
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Medical Instruments & Supplies
  • Shares Outstandng 55,491,200
  • Market Cap $6.92B
  • Description
  • Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products....
More about RGEN
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