Repligen Corporation (RGEN)

Days of inventory on hand (DOH)

		Dec 31, 2024	Dec 31, 2023	Dec 31, 2022	Dec 31, 2021	Dec 31, 2020
Inventory turnover		1.78	1.75	1.45	1.51	1.65
DOH	days	205.25	208.30	251.49	241.12	221.43

December 31, 2024 calculation

DOH = 365 ÷ Inventory turnover
= 365 ÷ 1.78
= 205.25

Based on the data provided, Repligen Corporation's days of inventory on hand (DOH) have shown fluctuations over the past five years.

In December 2020, the company had 221.43 days of inventory on hand, which increased to 241.12 days by December 2021. The trend continued with DOH reaching 251.49 days by December 2022, indicating that the company was holding a higher level of inventory relative to its sales.

However, there was a slight decrease in DOH by December 2023 to 208.30 days, followed by a further decrease to 205.25 days by December 2024. These declines suggest that Repligen Corporation may have optimized its inventory management practices, leading to a more efficient turnover of inventory.

Overall, the decreasing trend in DOH from 2023 to 2024 indicates that Repligen Corporation has been successful in managing its inventory levels more effectively, potentially improving its liquidity and reducing carrying costs associated with excess inventory.