A detailed history of Factory Mutual Insurance CO transactions in Regeneron Pharmaceuticals, Inc. stock. As of the latest transaction made, Factory Mutual Insurance CO holds 24,800 shares of REGN stock, worth $17.2 Million. This represents 0.17% of its overall portfolio holdings.

Number of Shares
24,800
Previous 25,600 3.13%
Holding current value
$17.2 Million
Previous $14.4 Million 19.48%
% of portfolio
0.17%
Previous 0.14%

Shares

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

Jan 22, 2026

SELL
$557.73 - $694.99 $446,184 - $555,992
-800 Reduced 3.13%
24,800 $17.2 Million
Q2 2025

Aug 07, 2025

BUY
$483.07 - $625.6 $6.52 Million - $8.45 Million
13,500 Added 111.57%
25,600 $13.4 Million
Q1 2025

Apr 17, 2025

BUY
$634.14 - $744.83 $5.2 Million - $6.11 Million
8,200 Added 210.26%
12,100 $7.67 Million
Q4 2024

Jan 23, 2025

BUY
$701.85 - $1046.91 $2.74 Million - $4.08 Million
3,900 New
3,900 $2.78 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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