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The series is stated in the current share scale after splits; dividends are not included in the price
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| September 15, 2026 | 168.27 | 175.86 | 168.27 | 174.73 | 891,300 |
| September 14, 2026 | 166.74 | 168.42 | 162.10 | 168.00 | 514,400 |
| September 11, 2026 | 166.72 | 168.06 | 164.02 | 165.18 | 944,600 |
| September 10, 2026 | 162.68 | 165.04 |
Based on reports through December 31, 2025
Repligen makes the filters and columns used to purify biologic drugs during manufacturing.
A biologic drug is produced by living cells, and the resulting liquid must be separated, concentrated and purified. The company makes the consumables for those steps — membranes, columns, sensors. They are written into the manufacturing procedure and into the drug's registration dossier, so replacing one requires regulatory approval.
Hence a supplier position locked in for the medicine's whole life, and revenue that grows with production volume rather than with equipment sales. The industry lived through a severe downturn: customers stockpiled during the pandemic and stopped ordering for years. Risks: the inventory cycle, biotech funding and demand in China. The company pays no dividend.
Address:41 SEYON STREET BUILDING 1, SUITE 100, WALTHAM, MA, 02453, US
| 350m |
| TWSTTwist Bioscience Corporation | 157.26 | +9.92 % | 214m |
| HALOHalozyme Therapeutics, Inc. | 109.72 | +1.18 % | 211m |
| TECHBio-Techne Corp | 72.47 | +0.19 % | 186m |
| NBIXNeurocrine Biosciences, Inc. | 151.41 | +127.80 % | 173m |
| 161.14 |
| 164.68 |
| 955,900 |
| September 09, 2026 | 168.53 | 169.52 | 162.46 | 165.05 | 1m |
| September 08, 2026 | 168.05 | 172.95 | 166.32 | 168.53 | 779,400 |
| September 04, 2026 | 167.26 | 169.51 | 165.00 | 167.60 | 806,100 |
| September 03, 2026 | 175.53 | 176.13 | 167.54 | 169.61 | 1m |
| September 02, 2026 | 171.77 | 176.87 | 168.58 | 172.94 | 959,300 |
| September 01, 2026 | 180.70 | 182.57 | 167.42 | 170.02 | 1m |
| August 31, 2026 | 174.17 | 181.07 | 174.01 | 180.98 | 791,000 |
| August 28, 2026 | 179.76 | 181.35 | 175.70 | 176.27 | 818,500 |
| August 27, 2026 | 179.90 | 183.09 | 179.14 | 182.03 | 611,900 |
| August 26, 2026 | 180.11 | 183.43 | 179.47 | 180.30 | 539,100 |
| August 25, 2026 | 181.62 | 185.34 | 178.98 | 181.69 | 1m |
| August 24, 2026 | 180.60 | 183.05 | 176.28 | 181.62 | 1m |
| August 21, 2026 | 179.66 | 182.43 | 175.75 | 181.13 | 1m |
| August 20, 2026 | 174.61 | 188.73 | 173.14 | 180.29 | 2m |
| August 19, 2026 | 172.74 | 179.87 | 170.00 | 176.36 | 2m |
| August 18, 2026 | 168.01 | 168.03 | 164.83 | 166.15 | 462,700 |