REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q4 2025

Shares 193,697 Value ($000) $31,739 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 212,741 Value ($000) $28,437 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 220,527 Value ($000) $27,429 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 403,650 Value ($000) $51,360 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 413,747 Value ($000) $59,555 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 437,291 Value ($000) $65,078 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 403,852 Value ($000) $50,910 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 1,120,626 Value ($000) $206,106 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 1,522,743 Value ($000) $273,789 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 1,556,873 Value ($000) $247,558 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 1,399,066 Value ($000) $197,912 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 1,221,581 Value ($000) $205,665 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 1,167,843 Value ($000) $197,727 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 1,173,683 Value ($000) $219,608 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 1,176,883 Value ($000) $191,126 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 158,849 Value ($000) $29,878 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 157,912 Value ($000) $41,821 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 166,647 Value ($000) $48,159 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 172,363 Value ($000) $34,407 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 172,333 Value ($000) $33,503 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 167,865 Value ($000) $32,168 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 164,488 Value ($000) $24,269 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 164,339 Value ($000) $20,314 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 76,649 Value ($000) $7,400 Avg Close $96.54 Range $78.41 - $109.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	193,697	$31,739	$156.63	$134.19 - $174.01
Q3 2025	212,741	$28,437	$121.47	$110.77 - $135.57
Q2 2025	220,527	$27,429	$127.25	$102.97 - $148.94
Q1 2025	403,650	$51,360	$153.93	$125.39 - $182.52
Q4 2024	413,747	$59,555	$143.40	$121.52 - $161.24
Q3 2024	437,291	$65,078	$143.39	$117.63 - $172.65
Q2 2024	403,852	$50,910	$156.74	$113.50 - $184.98
Q1 2024	1,120,626	$206,106	$190.44	$167.40 - $211.13
Q4 2023	1,522,743	$273,789	$155.67	$110.45 - $188.31
Q3 2023	1,556,873	$247,558	$163.47	$134.64 - $181.26
Q2 2023	1,399,066	$197,912	$160.35	$135.37 - $182.42
Q1 2023	1,221,581	$205,665	$178.42	$147.53 - $200.98
Q4 2022	1,167,843	$197,727	$181.39	$158.58 - $225.62
Q3 2022	1,173,683	$219,608	$210.87	$157.33 - $262.26
Q2 2022	1,176,883	$191,126	$158.16	$137.21 - $190.59
Q1 2022	158,849	$29,878	$189.96	$156.28 - $265.78
Q4 2021	157,912	$41,821	$269.41	$243.29 - $306.98
Q3 2021	166,647	$48,159	$256.54	$193.03 - $327.32
Q2 2021	172,363	$34,407	$193.99	$162.29 - $223.03
Q1 2021	172,333	$33,503	$205.03	$173.09 - $228.84
Q4 2020	167,865	$32,168	$181.94	$146.52 - $212.55
Q3 2020	164,488	$24,269	$142.94	$120.12 - $159.97
Q2 2020	164,339	$20,314	$117.64	$92.00 - $143.93
Q1 2020	76,649	$7,400	$96.54	$78.41 - $109.94