REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q3 2025
Shares 249,930 Value ($000) $33,408 Avg Close $121.47 Range $110.77 - $135.57
Q2 2025
Shares 5,632 Value ($000) $701 Avg Close $127.25 Range $102.97 - $148.94
Q1 2025
Shares 2,612 Value ($000) $332 Avg Close $153.93 Range $125.39 - $182.52
Q4 2024
Shares 5,059 Value ($000) $728 Avg Close $143.40 Range $121.52 - $161.24
Q2 2024
Shares 6,369 Value ($000) $803 Avg Close $156.74 Range $113.50 - $184.98
Q1 2024
Shares 125,411 Value ($000) $23,066 Avg Close $190.44 Range $167.40 - $211.13
Q4 2023
Shares 82,485 Value ($000) $14,831 Avg Close $155.67 Range $110.45 - $188.31
Q3 2023
Shares 14,580 Value ($000) $2,318 Avg Close $163.47 Range $134.64 - $181.26
Q2 2023
Shares 11,421 Value ($000) $1,616 Avg Close $160.35 Range $135.37 - $182.42
Q4 2022
Shares 5,379 Value ($000) $911 Avg Close $181.39 Range $158.58 - $225.62
Q3 2022
Shares 5,592 Value ($000) $1,046 Avg Close $210.87 Range $157.33 - $262.26
Q2 2022
Shares 9,802 Value ($000) $1,592 Avg Close $158.16 Range $137.21 - $190.59
Q1 2022
Shares 4,969 Value ($000) $935 Avg Close $189.96 Range $156.28 - $265.78
Q4 2021
Shares 3,639 Value ($000) $964 Avg Close $269.41 Range $243.29 - $306.98
Q3 2021
Shares 12,870 Value ($000) $3,719 Avg Close $256.54 Range $193.03 - $327.32
Q1 2021
Shares 5,576 Value ($000) $1,084 Avg Close $205.03 Range $173.09 - $228.84
Q4 2020
Shares 41,574 Value ($000) $7,967 Avg Close $181.94 Range $146.52 - $212.55
Q3 2020
Shares 118,581 Value ($000) $17,495 Avg Close $142.94 Range $120.12 - $159.97
Q2 2020
Shares 25,980 Value ($000) $3,211 Avg Close $117.64 Range $92.00 - $143.93
Q1 2020
Shares 50,998 Value ($000) $4,923 Avg Close $96.54 Range $78.41 - $109.94
Q4 2019
Shares 106,191 Value ($000) $9,823 Avg Close $84.01 Range $72.32 - $93.50
Q3 2019
Shares 94,959 Value ($000) $7,282 Avg Close $87.47 Range $75.80 - $99.25
Q2 2019
Shares 212,970 Value ($000) $18,305 Avg Close $68.16 Range $52.87 - $86.16
Q1 2019
Shares 263,971 Value ($000) $15,595 Avg Close $57.51 Range $49.07 - $63.41
Q4 2018
Shares 266,630 Value ($000) $14,062 Avg Close $58.65 Range $48.26 - $70.50
Q3 2018
Shares 37,502 Value ($000) $2,080 Avg Close $51.54 Range $45.00 - $58.99
Q1 2018
Shares 8,280 Value ($000) $300 Avg Close $35.17 Range $29.56 - $37.82
Q4 2017
Shares 37,019 Value ($000) $1,343 Avg Close $36.20 Range $31.96 - $40.05
Q3 2017
Shares 7,206 Value ($000) $276 Avg Close $41.91 Range $35.73 - $46.12
Q2 2017
Shares 57,601 Value ($000) $2,387 Avg Close $38.00 Range $32.73 - $46.81
Q1 2017
Shares 36,760 Value ($000) $1,294 Avg Close $31.67 Range $28.48 - $35.61
Q4 2016
Shares 39,149 Value ($000) $1,207 Avg Close $30.93 Range $26.16 - $34.06
Q3 2016
Shares 12,474 Value ($000) $377 Avg Close $30.18 Range $25.93 - $33.79
Q1 2016
Shares 17,424 Value ($000) $467 Avg Close $24.47 Range $20.07 - $28.85
Q1 2014
Shares 65,904 Value ($000) $848 Avg Close $14.34 Range $11.70 - $17.26
Q4 2013
Shares 29,191 Value ($000) $398 Avg Close $11.94 Range $9.89 - $14.05
Q3 2013
Shares 31,167 Value ($000) $346 Avg Close $9.95 Range $8.25 - $11.44