If you'd invested in Repligen (RGEN): performance and returns
Looking for Repligen's share price history and how much the stock has returned? Here's its year-by-year performance and what $1,000 invested at different dates would be worth today.
💰 Calculator: how much would Repligen have returned?
This calculator shows how much Repligen stock would have returned based on the amount invested and the starting year. Pick a sum and a year and you'll instantly see what it would be worth today and the total gain. Real prices, excluding dividends.
If I'd invested $1,000 in Repligen
| Investment | Worth today | Gain |
|---|---|---|
| 1 years ago | $948 | -5% |
| 3 years ago | $806 | -19% |
| 5 years ago | $712 | -29% |
| 10 years ago | $4,823 | +382% |
| since inception (1986) | $12,546 | +1155% |
Return by year (Repligen)
| Year | Return | $1,000 invested at year start |
|---|---|---|
| 2026 (YTD) | -17% | $833 (-17%) |
| 2025 | +14% | $948 (-5%) |
| 2024 | -20% | $759 (-24%) |
| 2023 | +6% | $806 (-19%) |
| 2022 | -36% | $515 (-48%) |
| 2021 | +38% | $712 (-29%) |
| 2020 | +107% | $1,475 (+48%) |
| 2019 | +75% | $2,587 (+159%) |
| 2018 | +45% | $3,761 (+276%) |
| 2017 | +18% | $4,427 (+343%) |
| 2016 | +9% | $4,823 (+382%) |
Frequently asked questions
How much does RGEN return?
$1,000 invested in Repligen 10 years ago would be worth $4,823 today, i.e. +17%/yr on average (price, excluding dividends).
What was RGEN's best/worst year?
Best year: 2020 (+107%). Worst year: 2022 (-36%). Year-by-year detail is above.
How much would $1,000 invested in RGEN since inception be worth?
Since 1986, $1,000 would have become $12,546 (+1155%). Past performance is not a guarantee.
Do Repligen's returns include dividends?
No — these returns are price-only. If Repligen pays a dividend, its total return would be somewhat higher — see its dividend page.
What is Repligen's average annual return (ROI)?
Repligen's return on investment is about +17%/yr over 10 years (price, excluding dividends), versus the S&P 500's ~10%/yr over the long run.