REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 261,850 Value ($000) $202,114 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 120,884 Value ($000) $67,969 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 47,708 Value ($000) $25,047 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 112,495 Value ($000) $71,348 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 129,308 Value ($000) $92,110 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 128,178 Value ($000) $134,746 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 126,935 Value ($000) $133,412 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 116,367 Value ($000) $112,002 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 120,291 Value ($000) $105,650 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 115,533 Value ($000) $95,079 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 122,845 Value ($000) $88,269 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 123,423 Value ($000) $101,413 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 123,048 Value ($000) $88,778 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 103,450 Value ($000) $71,264 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 82,760 Value ($000) $48,919 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 67,776 Value ($000) $47,335 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 50,445 Value ($000) $31,856 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 58,638 Value ($000) $35,486 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 37,244 Value ($000) $20,802 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 112,614 Value ($000) $53,280 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 158,473 Value ($000) $76,557 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 174,170 Value ($000) $97,495 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 155,120 Value ($000) $96,742 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 35,364 Value ($000) $17,269 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 13,074 Value ($000) $4,909 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 18,196 Value ($000) $5,048 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 19,346 Value ($000) $6,057 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 21,301 Value ($000) $8,748 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 13,370 Value ($000) $4,984 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 5,564 Value ($000) $2,247 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 4,564 Value ($000) $1,575 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 5,242 Value ($000) $1,806 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 1,038 Value ($000) $391 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 1,038 Value ($000) $463 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 1,026 Value ($000) $504 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 1,026 Value ($000) $398 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 1,081 Value ($000) $396 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 3,383 Value ($000) $1,360 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 5,539 Value ($000) $1,934 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 5,539 Value ($000) $1,996 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 6,801 Value ($000) $3,693 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 4,912 Value ($000) $2,285 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 3,047 Value ($000) $1,554 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 2,397 Value ($000) $1,082 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 2,063 Value ($000) $846 Avg Close $391.09 Range $318.29 - $435.23

Q2 2014

Shares 1,266 Value ($000) $358 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 616 Value ($000) $185 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 455 Value ($000) $125 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 455 Value ($000) $142 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 455 Value ($000) $102 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	261,850	$202,114	$678.68	$540.32 - $792.77
Q3 2025	120,884	$67,969	$564.28	$519.56 - $609.69
Q2 2025	47,708	$25,047	$556.12	$475.17 - $638.52
Q1 2025	112,495	$71,348	$684.44	$615.89 - $745.12
Q4 2024	129,308	$92,110	$834.60	$689.18 - $1055.74
Q3 2024	128,178	$134,746	$1106.73	$1002.85 - $1204.52
Q2 2024	126,935	$133,412	$964.05	$870.40 - $1075.21
Q1 2024	116,367	$112,002	$945.64	$866.58 - $992.82
Q4 2023	120,291	$105,650	$818.96	$764.95 - $894.90
Q3 2023	115,533	$95,079	$781.58	$684.72 - $842.83
Q2 2023	122,845	$88,269	$766.75	$681.03 - $832.93
Q1 2023	123,423	$101,413	$750.05	$664.32 - $830.39
Q4 2022	123,048	$88,778	$733.79	$690.81 - $774.70
Q3 2022	103,450	$71,264	$625.92	$560.71 - $750.51
Q2 2022	82,760	$48,919	$646.43	$535.04 - $743.30
Q1 2022	67,776	$47,335	$629.16	$589.59 - $706.29
Q4 2021	50,445	$31,856	$611.44	$536.21 - $670.14
Q3 2021	58,638	$35,486	$617.39	$551.89 - $682.83
Q2 2021	37,244	$20,802	$503.83	$466.78 - $566.85
Q1 2021	112,614	$53,280	$484.19	$438.57 - $555.83
Q4 2020	158,473	$76,557	$536.82	$468.18 - $616.55
Q3 2020	174,170	$97,495	$602.99	$537.02 - $660.97
Q2 2020	155,120	$96,742	$564.49	$473.82 - $642.77
Q1 2020	35,364	$17,269	$410.21	$326.32 - $515.14
Q4 2019	13,074	$4,909	$334.59	$270.76 - $380.14
Q3 2019	18,196	$5,048	$294.28	$269.87 - $318.99
Q2 2019	19,346	$6,057	$331.08	$293.64 - $413.60
Q1 2019	21,301	$8,748	$409.51	$363.99 - $439.56
Q4 2018	13,370	$4,984	$364.00	$325.77 - $407.74
Q3 2018	5,564	$2,247	$378.49	$340.69 - $414.19
Q2 2018	4,564	$1,575	$311.03	$280.34 - $347.31
Q1 2018	5,242	$1,806	$345.90	$311.80 - $394.59
Q4 2017	1,038	$391	$402.77	$351.19 - $474.37
Q3 2017	1,038	$463	$473.21	$424.12 - $523.22
Q2 2017	1,026	$504	$435.19	$358.01 - $540.55
Q1 2017	1,026	$398	$368.62	$338.21 - $399.00
Q4 2016	1,081	$396	$378.17	$323.56 - $450.46
Q3 2016	3,383	$1,360	$398.92	$346.51 - $441.54
Q2 2016	5,539	$1,934	$383.00	$327.27 - $431.54
Q1 2016	5,539	$1,996	$409.79	$347.04 - $529.97
Q4 2015	6,801	$3,693	$538.82	$445.63 - $589.32
Q3 2015	4,912	$2,285	$534.07	$433.12 - $602.59
Q2 2015	3,047	$1,554	$485.93	$431.08 - $541.00
Q1 2015	2,397	$1,082	$421.46	$390.83 - $492.77
Q4 2014	2,063	$846	$391.09	$318.29 - $435.23
Q2 2014	1,266	$358	$294.74	$268.01 - $318.24
Q1 2014	616	$185	$306.39	$261.52 - $350.55
Q4 2013	455	$125	$286.03	$256.27 - $317.74
Q3 2013	455	$142	$261.58	$224.53 - $318.07
Q2 2013	455	$102	$231.58	$176.14 - $282.42