REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 134,110 Value ($000) $21,975 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 139,602 Value ($000) $18,661 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 142,113 Value ($000) $17,676 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 146,131 Value ($000) $18,594 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 146,149 Value ($000) $21,037 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 143,410 Value ($000) $21,342 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 151,749 Value ($000) $19,129 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 157,924 Value ($000) $29,045 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 157,087 Value ($000) $28,244 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 160,138 Value ($000) $25,463 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 162,170 Value ($000) $22,941 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 158,510 Value ($000) $27 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 154,917 Value ($000) $26 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 151,537 Value ($000) $28,354 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 148,492 Value ($000) $24,115 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 138,830 Value ($000) $26,113 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 139,162 Value ($000) $36,856 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 135,370 Value ($000) $39,121 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 136,154 Value ($000) $27,179 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 138,375 Value ($000) $26,901 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 138,570 Value ($000) $26,554 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 139,439 Value ($000) $20,573 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 140,871 Value ($000) $17,413 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 155,035 Value ($000) $14,967 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 157,648 Value ($000) $14,582 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 153,202 Value ($000) $11,749 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 136,671 Value ($000) $11,747 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 129,477 Value ($000) $7,650 Avg Close $57.51 Range $49.07 - $63.41

Q4 2018

Shares 128,308 Value ($000) $6,767 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 110,176 Value ($000) $6,110 Avg Close $51.54 Range $45.00 - $58.99

Q2 2018

Shares 110,250 Value ($000) $5,186 Avg Close $41.16 Range $34.61 - $47.87

Q1 2018

Shares 105,594 Value ($000) $3,820 Avg Close $35.17 Range $29.56 - $37.82

Q4 2017

Shares 102,734 Value ($000) $3,727 Avg Close $36.20 Range $31.96 - $40.05

Q3 2017

Shares 89,120 Value ($000) $3,415 Avg Close $41.91 Range $35.73 - $46.12

Q2 2017

Shares 83,783 Value ($000) $3,472 Avg Close $38.00 Range $32.73 - $46.81

Q1 2017

Shares 83,987 Value ($000) $2,956 Avg Close $31.67 Range $28.48 - $35.61

Q4 2016

Shares 64,941 Value ($000) $2,001 Avg Close $30.93 Range $26.16 - $34.06

Q3 2016

Shares 62,801 Value ($000) $1,896 Avg Close $30.18 Range $25.93 - $33.79

Q2 2016

Shares 60,271 Value ($000) $1,649 Avg Close $25.57 Range $21.11 - $28.97

Q1 2016

Shares 58,339 Value ($000) $1,565 Avg Close $24.47 Range $20.07 - $28.85

Q4 2015

Shares 57,619 Value ($000) $1,630 Avg Close $28.84 Range $21.69 - $36.00

Q3 2015

Shares 52,649 Value ($000) $1,466 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 51,146 Value ($000) $2,111 Avg Close $36.64 Range $28.88 - $42.48

Q1 2015

Shares 52,521 Value ($000) $1,595 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 47,546 Value ($000) $941 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 48,196 Value ($000) $960 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 48,271 Value ($000) $1,100 Avg Close $17.80 Range $12.60 - $23.14

Q1 2014

Shares 44,353 Value ($000) $570 Avg Close $14.34 Range $11.70 - $17.26

Q4 2013

Shares 45,883 Value ($000) $626 Avg Close $11.94 Range $9.89 - $14.05

Q3 2013

Shares 44,683 Value ($000) $496 Avg Close $9.95 Range $8.25 - $11.44

Q2 2013

Shares 28,288 Value ($000) $233 Avg Close $8.40 Range $6.65 - $9.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	134,110	$21,975	$156.63	$134.19 - $174.01
Q3 2025	139,602	$18,661	$121.47	$110.77 - $135.57
Q2 2025	142,113	$17,676	$127.25	$102.97 - $148.94
Q1 2025	146,131	$18,594	$153.93	$125.39 - $182.52
Q4 2024	146,149	$21,037	$143.40	$121.52 - $161.24
Q3 2024	143,410	$21,342	$143.39	$117.63 - $172.65
Q2 2024	151,749	$19,129	$156.74	$113.50 - $184.98
Q1 2024	157,924	$29,045	$190.44	$167.40 - $211.13
Q4 2023	157,087	$28,244	$155.67	$110.45 - $188.31
Q3 2023	160,138	$25,463	$163.47	$134.64 - $181.26
Q2 2023	162,170	$22,941	$160.35	$135.37 - $182.42
Q1 2023	158,510	$27	$178.42	$147.53 - $200.98
Q4 2022	154,917	$26	$181.39	$158.58 - $225.62
Q3 2022	151,537	$28,354	$210.87	$157.33 - $262.26
Q2 2022	148,492	$24,115	$158.16	$137.21 - $190.59
Q1 2022	138,830	$26,113	$189.96	$156.28 - $265.78
Q4 2021	139,162	$36,856	$269.41	$243.29 - $306.98
Q3 2021	135,370	$39,121	$256.54	$193.03 - $327.32
Q2 2021	136,154	$27,179	$193.99	$162.29 - $223.03
Q1 2021	138,375	$26,901	$205.03	$173.09 - $228.84
Q4 2020	138,570	$26,554	$181.94	$146.52 - $212.55
Q3 2020	139,439	$20,573	$142.94	$120.12 - $159.97
Q2 2020	140,871	$17,413	$117.64	$92.00 - $143.93
Q1 2020	155,035	$14,967	$96.54	$78.41 - $109.94
Q4 2019	157,648	$14,582	$84.01	$72.32 - $93.50
Q3 2019	153,202	$11,749	$87.47	$75.80 - $99.25
Q2 2019	136,671	$11,747	$68.16	$52.87 - $86.16
Q1 2019	129,477	$7,650	$57.51	$49.07 - $63.41
Q4 2018	128,308	$6,767	$58.65	$48.26 - $70.50
Q3 2018	110,176	$6,110	$51.54	$45.00 - $58.99
Q2 2018	110,250	$5,186	$41.16	$34.61 - $47.87
Q1 2018	105,594	$3,820	$35.17	$29.56 - $37.82
Q4 2017	102,734	$3,727	$36.20	$31.96 - $40.05
Q3 2017	89,120	$3,415	$41.91	$35.73 - $46.12
Q2 2017	83,783	$3,472	$38.00	$32.73 - $46.81
Q1 2017	83,987	$2,956	$31.67	$28.48 - $35.61
Q4 2016	64,941	$2,001	$30.93	$26.16 - $34.06
Q3 2016	62,801	$1,896	$30.18	$25.93 - $33.79
Q2 2016	60,271	$1,649	$25.57	$21.11 - $28.97
Q1 2016	58,339	$1,565	$24.47	$20.07 - $28.85
Q4 2015	57,619	$1,630	$28.84	$21.69 - $36.00
Q3 2015	52,649	$1,466	$36.14	$27.25 - $42.22
Q2 2015	51,146	$2,111	$36.64	$28.88 - $42.48
Q1 2015	52,521	$1,595	$25.94	$19.53 - $34.15
Q4 2014	47,546	$941	$22.36	$19.02 - $26.75
Q3 2014	48,196	$960	$21.05	$18.23 - $24.68
Q2 2014	48,271	$1,100	$17.80	$12.60 - $23.14
Q1 2014	44,353	$570	$14.34	$11.70 - $17.26
Q4 2013	45,883	$626	$11.94	$9.89 - $14.05
Q3 2013	44,683	$496	$9.95	$8.25 - $11.44
Q2 2013	28,288	$233	$8.40	$6.65 - $9.65