REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q4 2024

Shares 2,150 Value ($000) $309 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 2,150 Value ($000) $320 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 2,150 Value ($000) $271 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 3,050 Value ($000) $561 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 3,050 Value ($000) $548 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 3,050 Value ($000) $485 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 6,550 Value ($000) $927 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 7,750 Value ($000) $1,305 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 7,750 Value ($000) $1,312 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 7,750 Value ($000) $1,450 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 7,750 Value ($000) $1,259 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 10,050 Value ($000) $1,890 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 11,050 Value ($000) $2,926 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 10,050 Value ($000) $2,904 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 10,050 Value ($000) $2,006 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 9,250 Value ($000) $1,798 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 9,150 Value ($000) $1,753 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 9,150 Value ($000) $1,350 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 8,150 Value ($000) $1,007 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 7,900 Value ($000) $763 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 7,900 Value ($000) $731 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 7,580 Value ($000) $581 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 7,580 Value ($000) $652 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 7,580 Value ($000) $448 Avg Close $57.51 Range $49.07 - $63.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	2,150	$309	$143.40	$121.52 - $161.24
Q3 2024	2,150	$320	$143.39	$117.63 - $172.65
Q2 2024	2,150	$271	$156.74	$113.50 - $184.98
Q1 2024	3,050	$561	$190.44	$167.40 - $211.13
Q4 2023	3,050	$548	$155.67	$110.45 - $188.31
Q3 2023	3,050	$485	$163.47	$134.64 - $181.26
Q2 2023	6,550	$927	$160.35	$135.37 - $182.42
Q1 2023	7,750	$1,305	$178.42	$147.53 - $200.98
Q4 2022	7,750	$1,312	$181.39	$158.58 - $225.62
Q3 2022	7,750	$1,450	$210.87	$157.33 - $262.26
Q2 2022	7,750	$1,259	$158.16	$137.21 - $190.59
Q1 2022	10,050	$1,890	$189.96	$156.28 - $265.78
Q4 2021	11,050	$2,926	$269.41	$243.29 - $306.98
Q3 2021	10,050	$2,904	$256.54	$193.03 - $327.32
Q2 2021	10,050	$2,006	$193.99	$162.29 - $223.03
Q1 2021	9,250	$1,798	$205.03	$173.09 - $228.84
Q4 2020	9,150	$1,753	$181.94	$146.52 - $212.55
Q3 2020	9,150	$1,350	$142.94	$120.12 - $159.97
Q2 2020	8,150	$1,007	$117.64	$92.00 - $143.93
Q1 2020	7,900	$763	$96.54	$78.41 - $109.94
Q4 2019	7,900	$731	$84.01	$72.32 - $93.50
Q3 2019	7,580	$581	$87.47	$75.80 - $99.25
Q2 2019	7,580	$652	$68.16	$52.87 - $86.16
Q1 2019	7,580	$448	$57.51	$49.07 - $63.41