A detailed history of Parnassus Investments, LLC transactions in Regeneron Pharmaceuticals, Inc. stock. As of the latest transaction made, Parnassus Investments, LLC holds 101,023 shares of REGN stock, worth $70.1 Million. This represents 0.14% of its overall portfolio holdings.

Number of Shares
101,023
Previous 101,084 0.06%
Holding current value
$70.1 Million
Previous $53.1 Million 7.03%
% of portfolio
0.14%
Previous 0.13%

Shares

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

Oct 24, 2025

SELL
$534.91 - $598.71 $32,629 - $36,521
-61 Reduced 0.06%
101,023 $56.8 Million
Q2 2025

Aug 06, 2025

BUY
$483.07 - $625.6 $48.8 Million - $63.2 Million
101,084 New
101,084 $53.1 Million
Q1 2020

May 01, 2020

SELL
$336.18 - $494.43 $48.7 Million - $71.7 Million
-145,000 Closed
0 $0
Q4 2019

Feb 13, 2020

SELL
$274.13 - $376.51 $132 Million - $181 Million
-480,000 Reduced 76.8%
145,000 $54.4 Million
Q2 2019

Aug 08, 2019

BUY
$299.6 - $414.82 $139 Million - $193 Million
465,000 Added 290.63%
625,000 $196 Million
Q1 2019

May 01, 2019

BUY
$372.08 - $439.57 $59.5 Million - $70.3 Million
160,000 New
160,000 $65.7 Million

Others Institutions Holding REGN

About REGENERON PHARMACEUTICALS, INC.


  • Ticker REGN
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 107,190,000
  • Market Cap $74.3B
  • Description
  • Regeneron Pharmaceuticals, Inc. discovers, invents, develops, manufactures, and commercializes medicines for treating various diseases worldwide. The company's products include EYLEA injection to treat wet age-related macular degeneration and diabetic macular edema; myopic choroidal neovascularization; and diabetic retinopathy, as well as macula...
More about REGN
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