Generation Bio Co. (GBIO) Stock Price History
Historical prices from 2020 to 2026
- 1M
- —
- 3M
- —
- YTD
- -1.9%
- 1Y
- +48.3%
- 3Y
- -54.5%
- 5Y
- -53.9%
Loading 10-year price history...
GBIO Historical Performance
GBIO Annual Returns
Year-by-year price performance · 2020–2026
- 2020 annual price return
- +14.8%
- 2021 annual price return
- -76.5%
- 2022 annual price return
- -49.4%
- 2023 annual price return
- -58.9%
- 2024 annual price return
- -43.0%
- 2025 annual price return
- -48.8%
- 2026 annual price return
- -1.9%
GBIO Stock Price Trajectory (2020–2026)
As of June 24, 2026, Generation Bio Co. (GBIO) trades at $5.34, representing a +48.3% return over the past year. The stock has delivered a -97.9% total return over five years (-53.9% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $557.20 on December 2, 2020. From this peak, GBIO has corrected -99.0%, currently trading 5% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers ARWR (+415.2% 1Y), RCKT (+31.9% 1Y), and RARE (-21.9% 1Y), GBIO has underperformed the peer group average. Compare GBIO vs ARWR →
GBIO Historical Price Data · from 2020
Rows 1–50 of 1,424| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-02-10 | 5.34 | 5.34 | 5.34 | 5.34 | 0 | 0.00% |
| 2026-02-09 | 5.34 | 5.34 | 5.34 | 5.34 | 0 | 0.00% |
| 2026-02-06 | 5.70 | 5.71 | 5.34 | 5.34 | 550K | -6.97% |
| 2026-02-05 | 5.54 | 5.77 | 5.54 | 5.74 | 97K | +2.14% |
| 2026-02-04 | 5.70 | 5.70 | 5.47 | 5.62 | 181K | -1.40% |
| 2026-02-03 | 5.64 | 5.73 | 5.51 | 5.70 | 115K | +1.06% |
| 2026-02-02 | 5.60 | 5.66 | 5.44 | 5.64 | 143K | +0.89% |
| 2026-01-30 | 5.57 | 5.64 | 5.57 | 5.59 | 74K | -0.36% |
| 2026-01-29 | 5.53 | 5.64 | 5.53 | 5.61 | 59K | +0.54% |
| 2026-01-28 | 5.65 | 5.65 | 5.50 | 5.58 | 69K | -1.59% |
| 2026-01-27 | 5.67 | 5.68 | 5.61 | 5.67 | 77K | -0.18% |
| 2026-01-26 | 5.64 | 5.68 | 5.62 | 5.68 | 95K | -0.09% |
| 2026-01-24 | 5.64 | 5.70 | 5.60 | 5.68 | 64K | 0.00% |
| 2026-01-23 | 5.64 | 5.70 | 5.60 | 5.68 | 64K | -0.09% |
| 2026-01-22 | 5.48 | 5.72 | 5.46 | 5.69 | 412K | +4.21% |
| 2026-01-21 | 5.57 | 5.60 | 5.41 | 5.46 | 233K | -2.33% |
| 2026-01-20 | 5.57 | 5.63 | 5.57 | 5.59 | 111K | -0.53% |
| 2026-01-16 | 5.61 | 5.66 | 5.60 | 5.62 | 99K | -0.35% |
| 2026-01-15 | 5.62 | 5.70 | 5.60 | 5.64 | 64K | -0.18% |
| 2026-01-14 | 5.64 | 5.70 | 5.58 | 5.65 | 30K | +0.36% |
| 2026-01-13 | 5.69 | 5.69 | 5.57 | 5.63 | 52K | 0.00% |
| 2026-01-12 | 5.54 | 5.70 | 5.54 | 5.63 | 78K | +2.74% |
| 2026-01-09 | 5.50 | 5.57 | 5.42 | 5.48 | 61K | -0.54% |
| 2026-01-08 | 5.51 | 5.51 | 5.36 | 5.51 | 43K | +0.73% |
| 2026-01-07 | 5.43 | 5.53 | 5.35 | 5.47 | 43K | +1.67% |
| 2026-01-06 | 5.35 | 5.40 | 5.31 | 5.38 | 55K | -0.37% |
| 2026-01-05 | 5.42 | 5.45 | 5.34 | 5.40 | 52K | -0.83% |
| 2026-01-02 | 5.61 | 5.62 | 5.40 | 5.45 | 134K | -4.14% |
| 2025-12-31 | 5.54 | 5.77 | 5.50 | 5.68 | 47K | +1.61% |
| 2025-12-30 | 5.59 | 5.64 | 5.39 | 5.59 | 61K | -0.89% |
| 2025-12-29 | 5.56 | 5.64 | 5.40 | 5.64 | 61K | +0.71% |
| 2025-12-26 | 5.56 | 5.69 | 5.40 | 5.60 | 77K | +0.72% |
| 2025-12-24 | 5.49 | 5.64 | 5.46 | 5.56 | 20K | +1.65% |
| 2025-12-23 | 5.45 | 5.53 | 5.45 | 5.47 | 33K | -0.36% |
| 2025-12-22 | 5.54 | 5.70 | 5.42 | 5.49 | 55K | -0.90% |
| 2025-12-19 | 5.36 | 5.55 | 5.36 | 5.54 | 128K | +1.65% |
| 2025-12-18 | 5.34 | 5.51 | 5.33 | 5.45 | 60K | +1.68% |
| 2025-12-17 | 5.30 | 5.50 | 5.25 | 5.36 | 147K | +0.47% |
| 2025-12-16 | 5.35 | 5.45 | 5.30 | 5.33 | 9K | -1.02% |
| 2025-12-15 | 5.38 | 5.45 | 5.30 | 5.39 | 151K | -0.74% |
| 2025-12-12 | 5.37 | 5.51 | 5.33 | 5.43 | 14K | +0.74% |
| 2025-12-11 | 5.53 | 5.56 | 5.33 | 5.39 | 47K | -2.18% |
| 2025-12-10 | 5.39 | 5.64 | 5.22 | 5.51 | 25K | +2.42% |
| 2025-12-09 | 5.36 | 5.42 | 5.26 | 5.38 | 32K | +1.70% |
| 2025-12-08 | 5.55 | 5.55 | 5.25 | 5.29 | 42K | -0.75% |
| 2025-12-05 | 5.17 | 5.43 | 5.17 | 5.33 | 21K | +2.11% |
| 2025-12-04 | 5.20 | 5.36 | 5.09 | 5.22 | 28K | +0.97% |
| 2025-12-03 | 5.18 | 5.28 | 5.14 | 5.17 | 5K | +1.17% |
| 2025-12-02 | 5.09 | 5.27 | 5.05 | 5.11 | 36K | +1.19% |
| 2025-12-01 | 5.29 | 5.38 | 5.05 | 5.05 | 13K | -5.25% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
GBIO — Frequently Asked Questions
Quick answers to the most common questions about buying GBIO stock.
How has GBIO stock performed recently?
GBIO returned +48.3% over the past year, beating its 5-year annualized CAGR of -53.9%. The stock trades above its 200-day moving average, confirming the uptrend.
What is GBIO's all-time high price?
Generation Bio Co. reached $557.20 on 2020-12-02. The 52-week high is $6.95. Current 1-year return of +48.3% places the stock closer to historical peaks.
Where can I download GBIO historical price data?
This page provides GBIO daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2020-2026, downloadable in CSV format.