A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Regeneron Pharmaceuticals, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 122,900 shares of REGN stock, worth $128 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares
122,900
Previous 241,400 49.09%
Holding current value
$128 Million
Previous $212 Million 44.21%
% of portfolio
0.02%
Previous 0.04%

Shares

26 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 15, 2024

SELL
$902.69 - $993.35 $186 Million - $205 Million
-206,013 Reduced 72.39%
78,578 $75.6 Million
Q4 2023

Feb 14, 2024

BUY
$775.18 - $881.7 $171 Million - $194 Million
220,135 Added 341.53%
284,591 $250 Million
Q3 2023

Nov 14, 2023

BUY
$692.45 - $844.37 $17.1 Million - $20.9 Million
24,730 Added 62.25%
64,456 $53 Million
Q2 2023

Aug 14, 2023

SELL
$700.03 - $830.35 $176 Million - $209 Million
-251,520 Reduced 86.36%
39,726 $28.5 Million
Q1 2023

May 15, 2023

BUY
$680.49 - $826.97 $146 Million - $177 Million
214,170 Added 277.87%
291,246 $239 Million
Q4 2022

Feb 14, 2023

BUY
$705.89 - $766.39 $41.6 Million - $45.2 Million
58,926 Added 324.66%
77,076 $55.6 Million
Q3 2022

Nov 14, 2022

BUY
$573.97 - $724.32 $5.14 Million - $6.49 Million
8,956 Added 97.41%
18,150 $12.5 Million
Q2 2022

Aug 15, 2022

SELL
$548.35 - $738.84 $4.83 Million - $6.5 Million
-8,803 Reduced 48.91%
9,194 $5.44 Million
Q1 2022

May 16, 2022

SELL
$595.12 - $698.43 $48.8 Million - $57.2 Million
-81,923 Reduced 81.99%
17,997 $12.6 Million
Q4 2021

Feb 14, 2022

SELL
$543.48 - $670.97 $5.22 Million - $6.44 Million
-9,603 Reduced 8.77%
99,920 $63.1 Million
Q3 2021

Nov 15, 2021

BUY
$574.03 - $680.96 $29.7 Million - $35.2 Million
51,755 Added 89.59%
109,523 $66.3 Million
Q2 2021

Aug 16, 2021

BUY
$472.8 - $558.54 $18 Million - $21.3 Million
38,085 Added 193.49%
57,768 $32.3 Million
Q1 2021

May 17, 2021

SELL
$446.73 - $548.2 $8.64 Million - $10.6 Million
-19,338 Reduced 49.56%
19,683 $9.31 Million
Q4 2020

Feb 16, 2021

BUY
$478.3 - $607.98 $11 Million - $14 Million
23,016 Added 143.81%
39,021 $18.9 Million
Q3 2020

Nov 16, 2020

SELL
$544.75 - $658.21 $4.09 Million - $4.94 Million
-7,509 Reduced 31.93%
16,005 $8.96 Million
Q1 2020

May 15, 2020

SELL
$336.18 - $494.43 $125 Million - $184 Million
-372,365 Reduced 94.06%
23,514 $11.5 Million
Q4 2019

Feb 14, 2020

BUY
$274.13 - $376.51 $65.9 Million - $90.6 Million
240,518 Added 154.81%
395,879 $149 Million
Q3 2019

Nov 14, 2019

SELL
$273.46 - $318.39 $114 Million - $133 Million
-417,518 Reduced 72.88%
155,361 $43.1 Million
Q2 2019

Aug 14, 2019

BUY
$299.6 - $414.82 $118 Million - $164 Million
394,489 Added 221.14%
572,879 $179 Million
Q1 2019

May 15, 2019

BUY
$372.08 - $439.57 $40.9 Million - $48.3 Million
109,848 Added 160.26%
178,390 $0
Q4 2018

Feb 14, 2019

BUY
$335.82 - $403.04 $8.57 Million - $10.3 Million
25,509 Added 59.28%
68,542 $25.6 Million
Q3 2018

Nov 13, 2018

SELL
$351.14 - $408.51 $4.54 Million - $5.29 Million
-12,943 Reduced 23.12%
43,033 $0
Q2 2018

Aug 10, 2018

BUY
$284.6 - $344.99 $7.61 Million - $9.23 Million
26,745 Added 91.5%
55,976 $0
Q1 2018

May 11, 2018

SELL
$315.82 - $393.78 $49.2 Million - $61.4 Million
-155,855 Reduced 84.21%
29,231 $10.1 Million
Q4 2017

Feb 09, 2018

BUY
$358.63 - $469.95 $63.6 Million - $83.4 Million
177,431 Added 2317.84%
185,086 $69.6 Million
Q3 2017

Nov 09, 2017

BUY
$431.38 - $504.0 $3.3 Million - $3.86 Million
7,655
7,655 $3.42 Million

Others Institutions Holding REGN

About REGENERON PHARMACEUTICALS, INC.


  • Ticker REGN
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 107,190,000
  • Market Cap $112B
  • 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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