REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 804,410 Value ($000) $131,821 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 799,510 Value ($000) $106,826 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 768,005 Value ($000) $95,525 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 713,650 Value ($000) $90,815 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 580,485 Value ($000) $83,556 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 453,572 Value ($000) $67,493 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 429,524 Value ($000) $54,149 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 308,219 Value ($000) $56,688 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 301,968 Value ($000) $54,306 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 285,538 Value ($000) $45,408 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 260,256 Value ($000) $36,813 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 240,623 Value ($000) $40,513 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 233,857 Value ($000) $40 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 229,989 Value ($000) $43,039 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 228,453 Value ($000) $37,101 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 229,785 Value ($000) $43,221 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 218,664 Value ($000) $57,908 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 219,325 Value ($000) $63,382 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 245,147 Value ($000) $48,941 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 250,411 Value ($000) $48,677 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 294,908 Value ($000) $56,510 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 530,879 Value ($000) $78,330 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 603,860 Value ($000) $74,636 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 686,191 Value ($000) $66,242 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 775,192 Value ($000) $71,704 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 811,784 Value ($000) $62,256 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 794,132 Value ($000) $68,253 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 940,663 Value ($000) $55,574 Avg Close $57.51 Range $49.07 - $63.41

Q4 2018

Shares 1,012,082 Value ($000) $53,376 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 1,073,887 Value ($000) $59,556 Avg Close $51.54 Range $45.00 - $58.99

Q2 2018

Shares 1,016,820 Value ($000) $47,831 Avg Close $41.16 Range $34.61 - $47.87

Q1 2018

Shares 1,013,331 Value ($000) $36,662 Avg Close $35.17 Range $29.56 - $37.82

Q4 2017

Shares 914,467 Value ($000) $33,177 Avg Close $36.20 Range $31.96 - $40.05

Q3 2017

Shares 838,582 Value ($000) $32,134 Avg Close $41.91 Range $35.73 - $46.12

Q2 2017

Shares 895,872 Value ($000) $37,125 Avg Close $38.00 Range $32.73 - $46.81

Q1 2017

Shares 951,539 Value ($000) $33,494 Avg Close $31.67 Range $28.48 - $35.61

Q4 2016

Shares 975,474 Value ($000) $30,065 Avg Close $30.93 Range $26.16 - $34.06

Q3 2016

Shares 1,020,428 Value ($000) $30,806 Avg Close $30.18 Range $25.93 - $33.79

Q2 2016

Shares 1,046,474 Value ($000) $28,631 Avg Close $25.57 Range $21.11 - $28.97

Q1 2016

Shares 1,107,995 Value ($000) $29,716 Avg Close $24.47 Range $20.07 - $28.85

Q4 2015

Shares 1,137,844 Value ($000) $32,190 Avg Close $28.84 Range $21.69 - $36.00

Q3 2015

Shares 1,232,678 Value ($000) $34,330 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 1,233,260 Value ($000) $50,897 Avg Close $36.64 Range $28.88 - $42.48

Q1 2015

Shares 1,319,162 Value ($000) $40,050 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 1,336,250 Value ($000) $26,457 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 1,339,263 Value ($000) $26,665 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 1,341,581 Value ($000) $30,574 Avg Close $17.80 Range $12.60 - $23.14

Q1 2014

Shares 1,254,496 Value ($000) $16,133 Avg Close $14.34 Range $11.70 - $17.26

Q4 2013

Shares 1,213,137 Value ($000) $16,546 Avg Close $11.94 Range $9.89 - $14.05

Q3 2013

Shares 1,202,509 Value ($000) $13,336 Avg Close $9.95 Range $8.25 - $11.44

Q2 2013

Shares 1,174,383 Value ($000) $9,677 Avg Close $8.40 Range $6.65 - $9.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	804,410	$131,821	$156.63	$134.19 - $174.01
Q3 2025	799,510	$106,826	$121.47	$110.77 - $135.57
Q2 2025	768,005	$95,525	$127.25	$102.97 - $148.94
Q1 2025	713,650	$90,815	$153.93	$125.39 - $182.52
Q4 2024	580,485	$83,556	$143.40	$121.52 - $161.24
Q3 2024	453,572	$67,493	$143.39	$117.63 - $172.65
Q2 2024	429,524	$54,149	$156.74	$113.50 - $184.98
Q1 2024	308,219	$56,688	$190.44	$167.40 - $211.13
Q4 2023	301,968	$54,306	$155.67	$110.45 - $188.31
Q3 2023	285,538	$45,408	$163.47	$134.64 - $181.26
Q2 2023	260,256	$36,813	$160.35	$135.37 - $182.42
Q1 2023	240,623	$40,513	$178.42	$147.53 - $200.98
Q4 2022	233,857	$40	$181.39	$158.58 - $225.62
Q3 2022	229,989	$43,039	$210.87	$157.33 - $262.26
Q2 2022	228,453	$37,101	$158.16	$137.21 - $190.59
Q1 2022	229,785	$43,221	$189.96	$156.28 - $265.78
Q4 2021	218,664	$57,908	$269.41	$243.29 - $306.98
Q3 2021	219,325	$63,382	$256.54	$193.03 - $327.32
Q2 2021	245,147	$48,941	$193.99	$162.29 - $223.03
Q1 2021	250,411	$48,677	$205.03	$173.09 - $228.84
Q4 2020	294,908	$56,510	$181.94	$146.52 - $212.55
Q3 2020	530,879	$78,330	$142.94	$120.12 - $159.97
Q2 2020	603,860	$74,636	$117.64	$92.00 - $143.93
Q1 2020	686,191	$66,242	$96.54	$78.41 - $109.94
Q4 2019	775,192	$71,704	$84.01	$72.32 - $93.50
Q3 2019	811,784	$62,256	$87.47	$75.80 - $99.25
Q2 2019	794,132	$68,253	$68.16	$52.87 - $86.16
Q1 2019	940,663	$55,574	$57.51	$49.07 - $63.41
Q4 2018	1,012,082	$53,376	$58.65	$48.26 - $70.50
Q3 2018	1,073,887	$59,556	$51.54	$45.00 - $58.99
Q2 2018	1,016,820	$47,831	$41.16	$34.61 - $47.87
Q1 2018	1,013,331	$36,662	$35.17	$29.56 - $37.82
Q4 2017	914,467	$33,177	$36.20	$31.96 - $40.05
Q3 2017	838,582	$32,134	$41.91	$35.73 - $46.12
Q2 2017	895,872	$37,125	$38.00	$32.73 - $46.81
Q1 2017	951,539	$33,494	$31.67	$28.48 - $35.61
Q4 2016	975,474	$30,065	$30.93	$26.16 - $34.06
Q3 2016	1,020,428	$30,806	$30.18	$25.93 - $33.79
Q2 2016	1,046,474	$28,631	$25.57	$21.11 - $28.97
Q1 2016	1,107,995	$29,716	$24.47	$20.07 - $28.85
Q4 2015	1,137,844	$32,190	$28.84	$21.69 - $36.00
Q3 2015	1,232,678	$34,330	$36.14	$27.25 - $42.22
Q2 2015	1,233,260	$50,897	$36.64	$28.88 - $42.48
Q1 2015	1,319,162	$40,050	$25.94	$19.53 - $34.15
Q4 2014	1,336,250	$26,457	$22.36	$19.02 - $26.75
Q3 2014	1,339,263	$26,665	$21.05	$18.23 - $24.68
Q2 2014	1,341,581	$30,574	$17.80	$12.60 - $23.14
Q1 2014	1,254,496	$16,133	$14.34	$11.70 - $17.26
Q4 2013	1,213,137	$16,546	$11.94	$9.89 - $14.05
Q3 2013	1,202,509	$13,336	$9.95	$8.25 - $11.44
Q2 2013	1,174,383	$9,677	$8.40	$6.65 - $9.65