REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q2 2024
Shares 255,762 Value ($000) $32,241 Avg Close $156.74 Range $113.50 - $184.98
Q1 2024
Shares 235,310 Value ($000) $43,278 Avg Close $190.44 Range $167.40 - $211.13
Q4 2023
Shares 294,222 Value ($000) $52,901 Avg Close $155.67 Range $110.45 - $188.31
Q3 2023
Shares 244,495 Value ($000) $38,877 Avg Close $163.47 Range $134.64 - $181.26
Q2 2023
Shares 271,005 Value ($000) $38,336 Avg Close $160.35 Range $135.37 - $182.42
Q1 2023
Shares 242,604 Value ($000) $40,845 Avg Close $178.42 Range $147.53 - $200.98
Q4 2022
Shares 200,870 Value ($000) $34,009 Avg Close $181.39 Range $158.58 - $225.62
Q3 2022
Shares 166,248 Value ($000) $31,107 Avg Close $210.87 Range $157.33 - $262.26
Q2 2022
Shares 233,626 Value ($000) $37,941 Avg Close $158.16 Range $137.21 - $190.59
Q1 2022
Shares 145,369 Value ($000) $27,342 Avg Close $189.96 Range $156.28 - $265.78
Q1 2021
Shares 56,598 Value ($000) $11,003 Avg Close $205.03 Range $173.09 - $228.84
Q4 2020
Shares 82,638 Value ($000) $15,836 Avg Close $181.94 Range $146.52 - $212.55
Q3 2020
Shares 86,003 Value ($000) $12,689 Avg Close $142.94 Range $120.12 - $159.97
Q2 2020
Shares 238,103 Value ($000) $29,432 Avg Close $117.64 Range $92.00 - $143.93
Q1 2020
Shares 328,184 Value ($000) $31,683 Avg Close $96.54 Range $78.41 - $109.94
Q4 2019
Shares 224,884 Value ($000) $20,802 Avg Close $84.01 Range $72.32 - $93.50