REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 516,336 Value ($000) $84,607 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 181,063 Value ($000) $24,203 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 84,195 Value ($000) $10,472 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 84,768 Value ($000) $10,786 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 412,235 Value ($000) $59,337 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 237,222 Value ($000) $35,303 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 364,551 Value ($000) $45,955 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 360,687 Value ($000) $66,338 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 320,777 Value ($000) $57,676 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 334,279 Value ($000) $53,154 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 449,488 Value ($000) $63,585 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 186,229 Value ($000) $31,354 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 63,151 Value ($000) $10,692 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 194,315 Value ($000) $36,359 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 372,877 Value ($000) $60,554 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 364,247 Value ($000) $68,511 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 374,633 Value ($000) $99,217 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 520,130 Value ($000) $150,312 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 702,914 Value ($000) $140,315 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 943,724 Value ($000) $183,471 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 1,481,280 Value ($000) $283,857 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 907,676 Value ($000) $133,919 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 643,113 Value ($000) $79,495 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 564,512 Value ($000) $54,498 Avg Close $96.54 Range $78.41 - $109.94

Q3 2019

Shares 6,385 Value ($000) $490 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 109,886 Value ($000) $9,445 Avg Close $68.16 Range $52.87 - $86.16

Q4 2018

Shares 4,165 Value ($000) $219 Avg Close $58.65 Range $48.26 - $70.50

Q4 2016

Shares 339,257 Value ($000) $10,456 Avg Close $30.93 Range $26.16 - $34.06

Q3 2016

Shares 355,898 Value ($000) $10,745 Avg Close $30.18 Range $25.93 - $33.79

Q2 2016

Shares 72,152 Value ($000) $1,974 Avg Close $25.57 Range $21.11 - $28.97

Q1 2015

Shares 116,524 Value ($000) $3,538 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 271,005 Value ($000) $5,366 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 206,241 Value ($000) $4,106 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 176,021 Value ($000) $4,012 Avg Close $17.80 Range $12.60 - $23.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	516,336	$84,607	$156.63	$134.19 - $174.01
Q3 2025	181,063	$24,203	$121.47	$110.77 - $135.57
Q2 2025	84,195	$10,472	$127.25	$102.97 - $148.94
Q1 2025	84,768	$10,786	$153.93	$125.39 - $182.52
Q4 2024	412,235	$59,337	$143.40	$121.52 - $161.24
Q3 2024	237,222	$35,303	$143.39	$117.63 - $172.65
Q2 2024	364,551	$45,955	$156.74	$113.50 - $184.98
Q1 2024	360,687	$66,338	$190.44	$167.40 - $211.13
Q4 2023	320,777	$57,676	$155.67	$110.45 - $188.31
Q3 2023	334,279	$53,154	$163.47	$134.64 - $181.26
Q2 2023	449,488	$63,585	$160.35	$135.37 - $182.42
Q1 2023	186,229	$31,354	$178.42	$147.53 - $200.98
Q4 2022	63,151	$10,692	$181.39	$158.58 - $225.62
Q3 2022	194,315	$36,359	$210.87	$157.33 - $262.26
Q2 2022	372,877	$60,554	$158.16	$137.21 - $190.59
Q1 2022	364,247	$68,511	$189.96	$156.28 - $265.78
Q4 2021	374,633	$99,217	$269.41	$243.29 - $306.98
Q3 2021	520,130	$150,312	$256.54	$193.03 - $327.32
Q2 2021	702,914	$140,315	$193.99	$162.29 - $223.03
Q1 2021	943,724	$183,471	$205.03	$173.09 - $228.84
Q4 2020	1,481,280	$283,857	$181.94	$146.52 - $212.55
Q3 2020	907,676	$133,919	$142.94	$120.12 - $159.97
Q2 2020	643,113	$79,495	$117.64	$92.00 - $143.93
Q1 2020	564,512	$54,498	$96.54	$78.41 - $109.94
Q3 2019	6,385	$490	$87.47	$75.80 - $99.25
Q2 2019	109,886	$9,445	$68.16	$52.87 - $86.16
Q4 2018	4,165	$219	$58.65	$48.26 - $70.50
Q4 2016	339,257	$10,456	$30.93	$26.16 - $34.06
Q3 2016	355,898	$10,745	$30.18	$25.93 - $33.79
Q2 2016	72,152	$1,974	$25.57	$21.11 - $28.97
Q1 2015	116,524	$3,538	$25.94	$19.53 - $34.15
Q4 2014	271,005	$5,366	$22.36	$19.02 - $26.75
Q3 2014	206,241	$4,106	$21.05	$18.23 - $24.68
Q2 2014	176,021	$4,012	$17.80	$12.60 - $23.14