News + Filings Transactions Holdings
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AWM Investment Company, Inc.
> RGEN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | REPLIGEN CORP | RGEN | 100,000 | 0 | 14,146,000,000 | -2,785,000,000 | $141,460.00 |
| 12/31/2022 | REPLIGEN CORP | RGEN | 100,000 | 0 | 16,931,000,000 | 16,912,289,000 | $169,310.00 |
| 09/30/2022 | REPLIGEN CORP | RGEN | 100,000 | 0 | 18,711,000 | 2,471,000 | $187.11 |
| 06/30/2022 | REPLIGEN CORP | RGEN | 100,000 | 0 | 16,240,000 | -2,569,000 | $162.40 |
| 03/31/2022 | REPLIGEN CORP | RGEN | 100,000 | 0 | 18,809,000 | -7,675,000 | $188.09 |
| 12/31/2021 | REPLIGEN CORP | RGEN | 100,000 | 0 | 26,484,000 | -2,415,000 | $264.84 |
| 09/30/2021 | REPLIGEN CORP | RGEN | 100,000 | 0 | 28,899,000 | 8,937,000 | $288.99 |
| 06/30/2021 | REPLIGEN CORP | RGEN | 100,000 | 0 | 19,962,000 | 521,000 | $199.62 |
| 03/31/2021 | REPLIGEN CORP | RGEN | 100,000 | 0 | 19,441,000 | 278,000 | $194.41 |
| 12/31/2020 | REPLIGEN CORP | RGEN | 100,000 | 0 | 19,163,000 | 4,409,000 | $191.63 |
| 09/30/2020 | REPLIGEN CORP | RGEN | 100,000 | 0 | 14,754,000 | 2,393,000 | $147.54 |
| 06/30/2020 | REPLIGEN CORP | RGEN | 100,000 | 0 | 12,361,000 | 2,707,000 | $123.61 |
| 03/31/2020 | REPLIGEN CORP | RGEN | 100,000 | -21,000 | 9,654,000 | -1,538,000 | $96.54 |
| 12/31/2019 | REPLIGEN CORP | RGEN | 121,000 | 0 | 11,192,000 | 1,913,000 | $92.50 |
| 09/30/2019 | REPLIGEN CORP | RGEN | 121,000 | 0 | 9,279,000 | -1,121,000 | $76.69 |
| 06/30/2019 | REPLIGEN CORP | RGEN | 121,000 | 0 | 10,400,000 | 3,251,000 | $85.95 |
| 03/31/2019 | REPLIGEN CORP | RGEN | 121,000 | 0 | 7,149,000 | 767,000 | $59.08 |
| 12/31/2018 | REPLIGEN CORP | RGEN | 121,000 | 0 | 6,382,000 | -329,000 | $52.74 |
| 09/30/2018 | REPLIGEN CORP | RGEN | 121,000 | 0 | 6,711,000 | 1,019,000 | $55.46 |
| 06/30/2018 | REPLIGEN CORP | RGEN | 121,000 | 0 | 5,692,000 | 1,314,000 | $47.04 |
| 03/31/2018 | REPLIGEN CORP | RGEN | 121,000 | 0 | 4,378,000 | -12,000 | $36.18 |
| 12/31/2017 | REPLIGEN CORP | RGEN | 121,000 | 0 | 4,390,000 | -247,000 | $36.28 |
| 09/30/2017 | REPLIGEN CORP | RGEN | 121,000 | 1,000 | 4,637,000 | 4,632,027 | $38.32 |
| 06/30/2017 | REPLIGEN CORP | RGEN | 120,000 | 0 | 4,973 | 749 | $0.04 |
| 03/31/2017 | REPLIGEN CORP | RGEN | 120,000 | 0 | 4,224 | -3,693,776 | $0.04 |
| 12/31/2016 | REPLIGEN CORP | RGEN | 120,000 | 0 | 3,698,000 | 75,000 | $30.82 |
| 09/30/2016 | REPLIGEN CORP | RGEN | 120,000 | 120,000 | 3,623,000 | 3,623,000 | $30.19 |
| 06/30/2016 | REPLIGEN CORP | RGEN | 140,000 | -60,000 | 3,830,000 | -1,534,000 | $27.36 |
| 03/31/2016 | REPLIGEN CORP | RGEN | 200,000 | 200,000 | 5,364,000 | 5,364,000 | $26.82 |
| 12/31/2015 | REPLIGEN CORP | RGEN | 200,000 | 10,000 | 5,658,000 | 367,000 | $28.29 |
| 09/30/2015 | REPLIGEN CORP | RGEN | 190,000 | 190,000 | 5,291,000 | 5,291,000 | $27.85 |
| 06/30/2015 | REPLIGEN CORP | RGEN | 190,000 | 190,000 | 7,841,000 | 7,841,000 | $41.27 |
| 03/31/2015 | REPLIGEN CORP | RGEN | 230,000 | 230,000 | 6,983,000 | 6,983,000 | $30.36 |
| 12/31/2014 | REPLIGEN CORP | RGEN | 400,000 | 400,000 | 7,920,000 | 7,920,000 | $19.80 |
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