REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025
Shares 181,988 Value ($000) $29,821 Avg Close $156.63 Range $134.19 - $174.01
Q3 2025
Shares 215,036 Value ($000) $28,744 Avg Close $121.47 Range $110.77 - $135.57
Q2 2025
Shares 228,475 Value ($000) $28,418 Avg Close $127.25 Range $102.97 - $148.94
Q1 2025
Shares 250,718 Value ($000) $31,900 Avg Close $153.93 Range $125.39 - $182.52
Q4 2024
Shares 219,604 Value ($000) $31,610 Avg Close $143.40 Range $121.52 - $161.24
Q3 2024
Shares 194,942 Value ($000) $29,013 Avg Close $143.39 Range $117.63 - $172.65
Q2 2024
Shares 187,543 Value ($000) $23,641 Avg Close $156.74 Range $113.50 - $184.98
Q1 2024
Shares 218,714 Value ($000) $40,226 Avg Close $190.44 Range $167.40 - $211.13
Q4 2023
Shares 258,941 Value ($000) $46,559 Avg Close $155.67 Range $110.45 - $188.31
Q3 2023
Shares 251,877 Value ($000) $40,052 Avg Close $163.47 Range $134.64 - $181.26
Q2 2023
Shares 187,103 Value ($000) $26,467 Avg Close $160.35 Range $135.37 - $182.42
Q1 2023
Shares 139,042 Value ($000) $23,410 Avg Close $178.42 Range $147.53 - $200.98
Q4 2022
Shares 138,686 Value ($000) $23,484 Avg Close $181.39 Range $158.58 - $225.62
Q3 2022
Shares 147,670 Value ($000) $27,632 Avg Close $210.87 Range $157.33 - $262.26
Q2 2022
Shares 111,766 Value ($000) $18,084 Avg Close $158.16 Range $137.21 - $190.59
Q1 2022
Shares 59,917 Value ($000) $11,331 Avg Close $189.96 Range $156.28 - $265.78
Q4 2021
Shares 50,565 Value ($000) $13,447 Avg Close $269.41 Range $243.29 - $306.98
Q3 2021
Shares 41,602 Value ($000) $11,946 Avg Close $256.54 Range $193.03 - $327.32
Q2 2021
Shares 27,918 Value ($000) $5,570 Avg Close $193.99 Range $162.29 - $223.03
Q1 2021
Shares 22,111 Value ($000) $4,281 Avg Close $205.03 Range $173.09 - $228.84
Q4 2020
Shares 12,305 Value ($000) $2,356 Avg Close $181.94 Range $146.52 - $212.55
Q3 2020
Shares 16,172 Value ($000) $2,382 Avg Close $142.94 Range $120.12 - $159.97
Q2 2020
Shares 9,700 Value ($000) $1,195 Avg Close $117.64 Range $92.00 - $143.93
Q1 2020
Shares 23,103 Value ($000) $2,231 Avg Close $96.54 Range $78.41 - $109.94
Q4 2019
Shares 19,572 Value ($000) $1,810 Avg Close $84.01 Range $72.32 - $93.50
Q3 2019
Shares 19,961 Value ($000) $1,536 Avg Close $87.47 Range $75.80 - $99.25
Q2 2019
Shares 19,847 Value ($000) $1,701 Avg Close $68.16 Range $52.87 - $86.16
Q1 2019
Shares 3,300 Value ($000) $198 Avg Close $57.51 Range $49.07 - $63.41
Q4 2018
Shares 48,385 Value ($000) $2,634 Avg Close $58.65 Range $48.26 - $70.50
Q3 2018
Shares 30,402 Value ($000) $1,686 Avg Close $51.54 Range $45.00 - $58.99
Q2 2018
Shares 80,737 Value ($000) $3,798 Avg Close $41.16 Range $34.61 - $47.87
Q1 2018
Shares 83,837 Value ($000) $3,033 Avg Close $35.17 Range $29.56 - $37.82
Q4 2017
Shares 167,624 Value ($000) $6,081 Avg Close $36.20 Range $31.96 - $40.05
Q3 2017
Shares 158,500 Value ($000) $6,074 Avg Close $41.91 Range $35.73 - $46.12
Q2 2017
Shares 155,000 Value ($000) $6,423 Avg Close $38.00 Range $32.73 - $46.81
Q1 2017
Shares 126,600 Value ($000) $4,456 Avg Close $31.67 Range $28.48 - $35.61
Q4 2016
Shares 85,000 Value ($000) $2,620 Avg Close $30.93 Range $26.16 - $34.06
Q3 2016
Shares 84,930 Value ($000) $2,564 Avg Close $30.18 Range $25.93 - $33.79
Q2 2016
Shares 885 Value ($000) $24 Avg Close $25.57 Range $21.11 - $28.97
Q1 2016
Shares 360 Value ($000) $10 Avg Close $24.47 Range $20.07 - $28.85
Q3 2015
Shares 15,244 Value ($000) $425 Avg Close $36.14 Range $27.25 - $42.22