REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 159,152 Value ($000) $26,079 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 26,395 Value ($000) $3,928 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 72,055 Value ($000) $8,962 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 40,889 Value ($000) $5,203 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 87,763 Value ($000) $12,633 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 26,395 Value ($000) $4 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 87,156 Value ($000) $10,987 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 129,551 Value ($000) $23,827 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 114,171 Value ($000) $20,528 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 77,361 Value ($000) $12,301 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 84,396 Value ($000) $12 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 78,558 Value ($000) $13 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 49,171 Value ($000) $8 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 26,580 Value ($000) $4,975 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 24,392 Value ($000) $3,961 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 14,368 Value ($000) $2,703 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 13,200 Value ($000) $3,496 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 36,174 Value ($000) $10,454 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 39,162 Value ($000) $7,817 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 16,597 Value ($000) $3,228 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 43,102 Value ($000) $8,260 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 37,289 Value ($000) $5,501 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 49,675 Value ($000) $6,141 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 49,593 Value ($000) $4,788 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 77,605 Value ($000) $7,178 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 34,762 Value ($000) $2,666 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 52,801 Value ($000) $4,539 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 32,884 Value ($000) $1,943 Avg Close $57.51 Range $49.07 - $63.41

Q4 2018

Shares 20,181 Value ($000) $1,064 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 44,972 Value ($000) $2,494 Avg Close $51.54 Range $45.00 - $58.99

Q2 2018

Shares 15,654 Value ($000) $736 Avg Close $41.16 Range $34.61 - $47.87

Q1 2018

Shares 13,915 Value ($000) $504 Avg Close $35.17 Range $29.56 - $37.82

Q4 2017

Shares 5,966 Value ($000) $216 Avg Close $36.20 Range $31.96 - $40.05

Q3 2017

Shares 5,746 Value ($000) $219 Avg Close $41.91 Range $35.73 - $46.12

Q2 2017

Shares 9,661 Value ($000) $401 Avg Close $38.00 Range $32.73 - $46.81

Q1 2017

Shares 10,549 Value ($000) $371 Avg Close $31.67 Range $28.48 - $35.61

Q4 2016

Shares 6,685 Value ($000) $206 Avg Close $30.93 Range $26.16 - $34.06

Q3 2016

Shares 1,251 Value ($000) $38 Avg Close $30.18 Range $25.93 - $33.79

Q2 2016

Shares 230 Value ($000) $6 Avg Close $25.57 Range $21.11 - $28.97

Q1 2016

Shares 1,440 Value ($000) $37 Avg Close $24.47 Range $20.07 - $28.85

Q4 2015

Shares 2,854 Value ($000) $80 Avg Close $28.84 Range $21.69 - $36.00

Q3 2015

Shares 8,986 Value ($000) $243 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 635 Value ($000) $26 Avg Close $36.64 Range $28.88 - $42.48

Q1 2015

Shares 8,911 Value ($000) $269 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 3,702 Value ($000) $70 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 9,466 Value ($000) $180 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 6,710 Value ($000) $148 Avg Close $17.80 Range $12.60 - $23.14

Q1 2014

Shares 4,295 Value ($000) $52 Avg Close $14.34 Range $11.70 - $17.26

Q4 2013

Shares 2,769 Value ($000) $36 Avg Close $11.94 Range $9.89 - $14.05

Q3 2013

Shares 15,053 Value ($000) $165 Avg Close $9.95 Range $8.25 - $11.44

Q2 2013

Shares 15,960 Value ($000) $131 Avg Close $8.40 Range $6.65 - $9.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	159,152	$26,079	$156.63	$134.19 - $174.01
Q3 2025	26,395	$3,928	$121.47	$110.77 - $135.57
Q2 2025	72,055	$8,962	$127.25	$102.97 - $148.94
Q1 2025	40,889	$5,203	$153.93	$125.39 - $182.52
Q4 2024	87,763	$12,633	$143.40	$121.52 - $161.24
Q3 2024	26,395	$4	$143.39	$117.63 - $172.65
Q2 2024	87,156	$10,987	$156.74	$113.50 - $184.98
Q1 2024	129,551	$23,827	$190.44	$167.40 - $211.13
Q4 2023	114,171	$20,528	$155.67	$110.45 - $188.31
Q3 2023	77,361	$12,301	$163.47	$134.64 - $181.26
Q2 2023	84,396	$12	$160.35	$135.37 - $182.42
Q1 2023	78,558	$13	$178.42	$147.53 - $200.98
Q4 2022	49,171	$8	$181.39	$158.58 - $225.62
Q3 2022	26,580	$4,975	$210.87	$157.33 - $262.26
Q2 2022	24,392	$3,961	$158.16	$137.21 - $190.59
Q1 2022	14,368	$2,703	$189.96	$156.28 - $265.78
Q4 2021	13,200	$3,496	$269.41	$243.29 - $306.98
Q3 2021	36,174	$10,454	$256.54	$193.03 - $327.32
Q2 2021	39,162	$7,817	$193.99	$162.29 - $223.03
Q1 2021	16,597	$3,228	$205.03	$173.09 - $228.84
Q4 2020	43,102	$8,260	$181.94	$146.52 - $212.55
Q3 2020	37,289	$5,501	$142.94	$120.12 - $159.97
Q2 2020	49,675	$6,141	$117.64	$92.00 - $143.93
Q1 2020	49,593	$4,788	$96.54	$78.41 - $109.94
Q4 2019	77,605	$7,178	$84.01	$72.32 - $93.50
Q3 2019	34,762	$2,666	$87.47	$75.80 - $99.25
Q2 2019	52,801	$4,539	$68.16	$52.87 - $86.16
Q1 2019	32,884	$1,943	$57.51	$49.07 - $63.41
Q4 2018	20,181	$1,064	$58.65	$48.26 - $70.50
Q3 2018	44,972	$2,494	$51.54	$45.00 - $58.99
Q2 2018	15,654	$736	$41.16	$34.61 - $47.87
Q1 2018	13,915	$504	$35.17	$29.56 - $37.82
Q4 2017	5,966	$216	$36.20	$31.96 - $40.05
Q3 2017	5,746	$219	$41.91	$35.73 - $46.12
Q2 2017	9,661	$401	$38.00	$32.73 - $46.81
Q1 2017	10,549	$371	$31.67	$28.48 - $35.61
Q4 2016	6,685	$206	$30.93	$26.16 - $34.06
Q3 2016	1,251	$38	$30.18	$25.93 - $33.79
Q2 2016	230	$6	$25.57	$21.11 - $28.97
Q1 2016	1,440	$37	$24.47	$20.07 - $28.85
Q4 2015	2,854	$80	$28.84	$21.69 - $36.00
Q3 2015	8,986	$243	$36.14	$27.25 - $42.22
Q2 2015	635	$26	$36.64	$28.88 - $42.48
Q1 2015	8,911	$269	$25.94	$19.53 - $34.15
Q4 2014	3,702	$70	$22.36	$19.02 - $26.75
Q3 2014	9,466	$180	$21.05	$18.23 - $24.68
Q2 2014	6,710	$148	$17.80	$12.60 - $23.14
Q1 2014	4,295	$52	$14.34	$11.70 - $17.26
Q4 2013	2,769	$36	$11.94	$9.89 - $14.05
Q3 2013	15,053	$165	$9.95	$8.25 - $11.44
Q2 2013	15,960	$131	$8.40	$6.65 - $9.65