REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q4 2025
Shares 911,527 Value ($000) $149,363 Avg Close $156.63 Range $134.19 - $174.01
Q3 2025
Shares 358,422 Value ($000) $47,910 Avg Close $121.47 Range $110.77 - $135.57
Q2 2025
Shares 299,556 Value ($000) $37,259 Avg Close $127.25 Range $102.97 - $148.94
Q1 2025
Shares 437,037 Value ($000) $55,609 Avg Close $153.93 Range $125.39 - $182.52
Q4 2024
Shares 359,507 Value ($000) $51,747 Avg Close $143.40 Range $121.52 - $161.24
Q3 2024
Shares 398,554 Value ($000) $59,313 Avg Close $143.39 Range $117.63 - $172.65
Q2 2024
Shares 307,723 Value ($000) $38,792 Avg Close $156.74 Range $113.50 - $184.98
Q1 2024
Shares 426,292 Value ($000) $78,404 Avg Close $190.44 Range $167.40 - $211.13
Q4 2023
Shares 428,484 Value ($000) $77,041 Avg Close $155.67 Range $110.45 - $188.31
Q3 2023
Shares 484,722 Value ($000) $77,076 Avg Close $163.47 Range $134.64 - $181.26
Q2 2023
Shares 570,131 Value ($000) $80,651 Avg Close $160.35 Range $135.37 - $182.42
Q1 2023
Shares 591,488 Value ($000) $99,583 Avg Close $178.42 Range $147.53 - $200.98
Q4 2022
Shares 415,229 Value ($000) $70,302 Avg Close $181.39 Range $158.58 - $225.62
Q3 2022
Shares 492,296 Value ($000) $92,114 Avg Close $210.87 Range $157.33 - $262.26
Q2 2022
Shares 647,467 Value ($000) $105,149 Avg Close $158.16 Range $137.21 - $190.59
Q1 2022
Shares 1,025,858 Value ($000) $192,954 Avg Close $189.96 Range $156.28 - $265.78
Q4 2021
Shares 1,218,642 Value ($000) $322,745 Avg Close $269.41 Range $243.29 - $306.98
Q3 2021
Shares 1,573,998 Value ($000) $454,870 Avg Close $256.54 Range $193.03 - $327.32
Q2 2021
Shares 1,386,097 Value ($000) $276,693 Avg Close $193.99 Range $162.29 - $223.03
Q1 2021
Shares 1,477,178 Value ($000) $287,178 Avg Close $205.03 Range $173.09 - $228.84
Q4 2020
Shares 1,310,814 Value ($000) $251,191 Avg Close $181.94 Range $146.52 - $212.55
Q3 2020
Shares 1,143,978 Value ($000) $168,783 Avg Close $142.94 Range $120.12 - $159.97
Q2 2020
Shares 1,013,448 Value ($000) $125,272 Avg Close $117.64 Range $92.00 - $143.93
Q1 2020
Shares 1,035,947 Value ($000) $100,010 Avg Close $96.54 Range $78.41 - $109.94
Q4 2019
Shares 1,232,956 Value ($000) $114,048 Avg Close $84.01 Range $72.32 - $93.50
Q3 2019
Shares 1,376,406 Value ($000) $105,557 Avg Close $87.47 Range $75.80 - $99.25
Q2 2019
Shares 1,849,438 Value ($000) $158,959 Avg Close $68.16 Range $52.87 - $86.16
Q1 2019
Shares 1,643,045 Value ($000) $97,071 Avg Close $57.51 Range $49.07 - $63.41
Q4 2018
Shares 1,094,991 Value ($000) $57,750 Avg Close $58.65 Range $48.26 - $70.50
Q3 2018
Shares 1,059,488 Value ($000) $58,759 Avg Close $51.54 Range $45.00 - $58.99
Q2 2018
Shares 740,574 Value ($000) $34,837 Avg Close $41.16 Range $34.61 - $47.87
Q1 2018
Shares 377,235 Value ($000) $13,648 Avg Close $35.17 Range $29.56 - $37.82
Q3 2017
Shares 36,000 Value ($000) $1,380 Avg Close $41.91 Range $35.73 - $46.12
Q2 2017
Shares 38,200 Value ($000) $1,583 Avg Close $38.00 Range $32.73 - $46.81