REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q1 2024

Shares 156,958 Value ($000) $28,868 Avg Close $190.44 Range $167.40 - $211.13

Q3 2022

Shares 68,732 Value ($000) $12,860 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 41,018 Value ($000) $6,661 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 56,156 Value ($000) $10,562 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 106,926 Value ($000) $28,318 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 88,526 Value ($000) $25,583 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 51,541 Value ($000) $10,289 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 45,976 Value ($000) $8,938 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 46,696 Value ($000) $8,948 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 35,809 Value ($000) $5,283 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 36,517 Value ($000) $4,514 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 71,586 Value ($000) $6,911 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 79,185 Value ($000) $7,325 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 54,586 Value ($000) $4,186 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 40,026 Value ($000) $3,440 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 31,527 Value ($000) $1,863 Avg Close $57.51 Range $49.07 - $63.41

Q4 2018

Shares 31,356 Value ($000) $1,654 Avg Close $58.65 Range $48.26 - $70.50

Q3 2015

Shares 133,722 Value ($000) $3,724 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 220,852 Value ($000) $9,115 Avg Close $36.64 Range $28.88 - $42.48

Q1 2015

Shares 308,557 Value ($000) $9,368 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 379,878 Value ($000) $7,522 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 117,792 Value ($000) $2,345 Avg Close $21.05 Range $18.23 - $24.68

Q2 2013

Shares 24,885 Value ($000) $205 Avg Close $8.40 Range $6.65 - $9.65

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	156,958	$28,868	$190.44	$167.40 - $211.13
Q3 2022	68,732	$12,860	$210.87	$157.33 - $262.26
Q2 2022	41,018	$6,661	$158.16	$137.21 - $190.59
Q1 2022	56,156	$10,562	$189.96	$156.28 - $265.78
Q4 2021	106,926	$28,318	$269.41	$243.29 - $306.98
Q3 2021	88,526	$25,583	$256.54	$193.03 - $327.32
Q2 2021	51,541	$10,289	$193.99	$162.29 - $223.03
Q1 2021	45,976	$8,938	$205.03	$173.09 - $228.84
Q4 2020	46,696	$8,948	$181.94	$146.52 - $212.55
Q3 2020	35,809	$5,283	$142.94	$120.12 - $159.97
Q2 2020	36,517	$4,514	$117.64	$92.00 - $143.93
Q1 2020	71,586	$6,911	$96.54	$78.41 - $109.94
Q4 2019	79,185	$7,325	$84.01	$72.32 - $93.50
Q3 2019	54,586	$4,186	$87.47	$75.80 - $99.25
Q2 2019	40,026	$3,440	$68.16	$52.87 - $86.16
Q1 2019	31,527	$1,863	$57.51	$49.07 - $63.41
Q4 2018	31,356	$1,654	$58.65	$48.26 - $70.50
Q3 2015	133,722	$3,724	$36.14	$27.25 - $42.22
Q2 2015	220,852	$9,115	$36.64	$28.88 - $42.48
Q1 2015	308,557	$9,368	$25.94	$19.53 - $34.15
Q4 2014	379,878	$7,522	$22.36	$19.02 - $26.75
Q3 2014	117,792	$2,345	$21.05	$18.23 - $24.68
Q2 2013	24,885	$205	$8.40	$6.65 - $9.65