iBio Stock Price History
NASDAQ: IBIOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
0.871-0.049 (-5.33%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
IBIO price history at a glance
The price history for iBio (IBIO) on this page begins on August 18, 2008, when the stock closed at $10,000.00; it most recently closed at $0.871 on October 5, 2026. The highest price in this record is $30,300.00, reached on January 17, 2011; the latest close is 100.0% below that peak. Across the 17 complete calendar years in the table, IBIO finished higher in 5 and lower in 12. Its best year was 2009 (+650.0%) and its worst was 2022 (-96.8%).
Over roughly 18 years the share price changed -100.0%, a -40.3% compound annual price return (excluding dividends). In the last 12 months alone, IBIO has gained 2.5%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2008
- $30,300.00
- Date of high
- Jan 17, 2011
- Low since 2008
- $0.56
- Date of low
- Aug 4, 2025
- 52-week high
- $3.82
- 52-week low
- $0.79
- Last close
- $0.871
IBIO returns
1 week
-22.92%
1 month
-30.87%
3 months
-42.32%
6 months
-59.68%
Year to date
-54.87%
1 year
+2.47%
3 years
-87.90%
5 years
-99.81%
IBIO price return, excluding dividends.
IBIO annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 0.871 | -56.88% |
| 2025 | 2.02 | -17.55% |
| 2024 | 2.45 | +78.83% |
| 2023 | 1.37 | -84.43% |
| 2022 | 8.80 | -96.80% |
| 2021 | 275.00 | -47.62% |
| 2020 | 525.00 | +238.71% |
| 2019 | 155.00 | -61.25% |
| 2018 | 400.00 | -55.56% |
| 2017 | 900.00 | -55.00% |
| 2016 | 2,000.00 | -28.57% |
| 2015 | 2,800.00 | -13.85% |
| 2014 | 3,250.00 | +85.71% |
| 2013 | 1,750.00 | -46.97% |
| 2012 | 3,300.00 | -20.48% |
| 2011 | 4,150.00 | -73.73% |
| 2010 | 15,800.00 | +251.11% |
| 2009 | 4,500.00 | +650.00% |
| 2008* | 600.00 | -94.00% |
* Partial year: the record begins after the start of 2008; return measured from the first available close.
2026 return is year to date.
IBIO daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 0.92 | 0.9698 | 0.8506 | 0.871 | -5.33% | |
| 1.00 | 1.00 | 0.9058 | 0.92 | -8.91% | |
| 1.05 | 1.06 | 0.97 | 1.01 | -3.81% | |
| 1.12 | 1.15 | 1.02 | 1.05 | -6.25% | |
| 1.14 | 1.18 | 1.08 | 1.12 | -0.88% | |
| 1.12 | 1.15 | 1.07 | 1.13 | +1.80% | |
| 1.18 | 1.21 | 1.10 | 1.11 | -5.93% | |
| 1.19 | 1.22 | 1.17 | 1.18 | +0.85% | |
| 1.20 | 1.20 | 1.16 | 1.17 | 0.00% | |
| 1.19 | 1.19 | 1.15 | 1.17 | -1.68% | |
| 1.23 | 1.24 | 1.15 | 1.19 | -0.83% | |
| 1.25 | 1.25 | 1.19 | 1.20 | -4.00% | |
| 1.32 | 1.35 | 1.24 | 1.25 | -6.02% | |
| 1.28 | 1.37 | 1.24 | 1.33 | +5.56% | |
| 1.29 | 1.31 | 1.26 | 1.26 | -1.56% | |
| 1.26 | 1.30 | 1.24 | 1.28 | +2.40% | |
| 1.25 | 1.31 | 1.21 | 1.25 | +5.93% | |
| 1.19 | 1.20 | 1.17 | 1.18 | -0.84% | |
| 1.20 | 1.22 | 1.17 | 1.19 | -0.83% | |
| 1.23 | 1.23 | 1.20 | 1.20 | -0.83% | |
| 1.24 | 1.24 | 1.20 | 1.21 | -1.63% | |
| 1.26 | 1.26 | 1.22 | 1.23 | -2.38% | |
| 1.30 | 1.30 | 1.25 | 1.26 | -3.08% | |
| 1.31 | 1.32 | 1.28 | 1.30 | -0.76% | |
| 1.29 | 1.33 | 1.28 | 1.31 | +0.77% | |
| 1.32 | 1.35 | 1.29 | 1.30 | -0.76% | |
| 1.26 | 1.34 | 1.26 | 1.31 | +3.97% | |
| 1.27 | 1.30 | 1.21 | 1.26 | -0.79% | |
| 1.37 | 1.37 | 1.25 | 1.27 | -6.62% | |
| 1.42 | 1.42 | 1.34 | 1.36 | -2.86% | |
| 1.43 | 1.46 | 1.40 | 1.40 | -2.10% | |
| 1.47 | 1.47 | 1.43 | 1.43 | -2.72% | |
| 1.41 | 1.48 | 1.41 | 1.47 | +3.52% | |
| 1.45 | 1.45 | 1.37 | 1.42 | -0.70% | |
| 1.46 | 1.50 | 1.42 | 1.43 | -2.72% | |
| 1.47 | 1.50 | 1.44 | 1.47 | -1.34% | |
| 1.47 | 1.50 | 1.42 | 1.49 | +2.76% | |
| 1.45 | 1.47 | 1.40 | 1.45 | 0.00% | |
| 1.45 | 1.48 | 1.42 | 1.45 | +1.40% | |
| 1.38 | 1.44 | 1.34 | 1.43 | +2.14% | |
| 1.48 | 1.48 | 1.38 | 1.40 | -4.76% | |
| 1.47 | 1.54 | 1.46 | 1.47 | 0.00% | |
| 1.41 | 1.51 | 1.37 | 1.47 | +5.00% | |
| 1.41 | 1.43 | 1.39 | 1.40 | -0.71% | |
| 1.40 | 1.43 | 1.38 | 1.41 | +1.44% | |
| 1.40 | 1.41 | 1.36 | 1.39 | -0.71% | |
| 1.46 | 1.48 | 1.39 | 1.40 | -4.11% | |
| 1.46 | 1.49 | 1.44 | 1.46 | +2.82% | |
| 1.44 | 1.44 | 1.38 | 1.42 | +1.43% | |
| 1.41 | 1.47 | 1.34 | 1.40 | +0.72% | |
| 1.36 | 1.42 | 1.35 | 1.39 | +2.21% | |
| 1.39 | 1.41 | 1.29 | 1.36 | -2.16% | |
| 1.45 | 1.45 | 1.33 | 1.39 | -4.14% | |
| 1.44 | 1.47 | 1.35 | 1.45 | +1.40% | |
| 1.40 | 1.47 | 1.31 | 1.43 | +2.14% | |
| 1.35 | 1.41 | 1.33 | 1.40 | +1.45% | |
| 1.40 | 1.41 | 1.35 | 1.38 | -2.13% | |
| 1.38 | 1.42 | 1.35 | 1.41 | +2.92% | |
| 1.44 | 1.44 | 1.35 | 1.37 | -0.72% | |
| 1.34 | 1.44 | 1.31 | 1.38 | +2.22% | |
| 1.43 | 1.44 | 1.28 | 1.35 | -5.59% | |
| 1.47 | 1.50 | 1.43 | 1.43 | -0.69% | |
| 1.47 | 1.48 | 1.42 | 1.44 | -0.69% | |
| 1.48 | 1.56 | 1.45 | 1.45 | -3.97% | |
| 1.52 | 1.53 | 1.43 | 1.51 | 0.00% | |
| 1.52 | 1.56 | 1.51 | 1.51 | -0.66% | |
| 1.57 | 1.62 | 1.50 | 1.52 | -4.40% | |
| 1.65 | 1.65 | 1.57 | 1.59 | -1.85% | |
| 1.71 | 1.74 | 1.62 | 1.62 | -3.57% | |
| 1.76 | 1.77 | 1.66 | 1.68 | -4.00% | |
| 1.76 | 2.11 | 1.71 | 1.75 | 0.00% | |
| 1.73 | 1.75 | 1.71 | 1.75 | +1.16% | |
| 1.66 | 1.81 | 1.64 | 1.73 | +3.59% | |
| 1.60 | 1.68 | 1.57 | 1.67 | +5.03% | |
| 1.64 | 1.65 | 1.58 | 1.59 | -1.85% | |
| 1.68 | 1.69 | 1.62 | 1.62 | -1.82% | |
| 1.70 | 1.75 | 1.65 | 1.65 | -5.17% | |
| 1.70 | 1.76 | 1.68 | 1.74 | +2.96% | |
| 1.61 | 1.73 | 1.61 | 1.69 | +5.62% | |
| 1.57 | 1.63 | 1.48 | 1.60 | +3.23% | |
| 1.66 | 1.67 | 1.55 | 1.55 | -6.06% | |
| 1.70 | 1.76 | 1.65 | 1.65 | -2.37% | |
| 1.70 | 1.76 | 1.67 | 1.69 | +1.20% | |
| 1.69 | 1.71 | 1.64 | 1.67 | -1.76% | |
| 1.70 | 1.78 | 1.65 | 1.70 | 0.00% | |
| 1.78 | 1.80 | 1.66 | 1.70 | -1.73% | |
| 1.87 | 1.89 | 1.73 | 1.73 | -4.95% | |
| 1.93 | 2.09 | 1.73 | 1.82 | -5.70% | |
| 1.83 | 2.00 | 1.83 | 1.93 | +4.89% | |
| 1.79 | 1.85 | 1.70 | 1.84 | +4.55% | |
| 1.89 | 1.92 | 1.71 | 1.76 | -6.88% | |
| 1.90 | 1.93 | 1.82 | 1.89 | -0.53% | |
| 1.92 | 1.93 | 1.88 | 1.90 | -1.55% | |
| 1.88 | 1.99 | 1.86 | 1.93 | +2.66% | |
| 1.82 | 1.97 | 1.82 | 1.88 | +3.30% | |
| 1.89 | 1.91 | 1.80 | 1.82 | -1.09% | |
| 1.93 | 2.00 | 1.82 | 1.84 | -2.65% | |
| 1.70 | 1.95 | 1.70 | 1.89 | +11.18% | |
| 1.51 | 1.74 | 1.51 | 1.70 | +13.33% | |
| 1.42 | 1.54 | 1.38 | 1.50 | +5.63% | |
| 1.49 | 1.50 | 1.40 | 1.42 | -3.40% | |
| 1.54 | 1.54 | 1.45 | 1.47 | -5.77% | |
| 1.56 | 1.57 | 1.51 | 1.56 | +0.65% | |
| 1.62 | 1.62 | 1.55 | 1.55 | -3.73% | |
| 1.66 | 1.67 | 1.59 | 1.61 | -3.01% | |
| 1.73 | 1.74 | 1.63 | 1.66 | -2.92% | |
| 1.64 | 1.75 | 1.59 | 1.71 | +4.27% | |
| 1.76 | 1.79 | 1.63 | 1.64 | -7.34% | |
| 1.61 | 1.78 | 1.60 | 1.77 | +9.94% | |
| 1.61 | 1.65 | 1.55 | 1.61 | +1.90% | |
| 1.62 | 1.65 | 1.52 | 1.58 | -0.63% | |
| 1.65 | 1.68 | 1.56 | 1.59 | -5.92% | |
| 1.60 | 1.70 | 1.55 | 1.69 | +4.32% | |
| 1.61 | 1.63 | 1.52 | 1.62 | -0.61% | |
| 1.68 | 1.74 | 1.62 | 1.63 | -4.68% | |
| 1.68 | 1.73 | 1.62 | 1.71 | +1.79% | |
| 1.80 | 1.85 | 1.67 | 1.68 | -7.18% | |
| 1.93 | 1.93 | 1.74 | 1.81 | -5.73% | |
| 1.94 | 1.96 | 1.85 | 1.92 | 0.00% | |
| 2.00 | 2.02 | 1.91 | 1.92 | -2.54% | |
| 2.04 | 2.09 | 1.91 | 1.97 | -4.37% | |
| 2.14 | 2.19 | 2.04 | 2.06 | -2.37% | |
| 2.12 | 2.15 | 2.06 | 2.11 | +0.48% | |
| 2.18 | 2.24 | 2.08 | 2.10 | -4.11% | |
| 2.23 | 2.25 | 2.18 | 2.19 | -0.45% | |
| 2.12 | 2.25 | 2.12 | 2.20 | +1.85% | |
| 2.17 | 2.20 | 2.11 | 2.16 | -1.82% | |
| 2.23 | 2.26 | 2.15 | 2.20 | -1.79% | |
| 2.27 | 2.29 | 2.16 | 2.24 | +6.16% | |
| 2.02 | 2.14 | 1.98 | 2.11 | +3.94% | |
| 1.99 | 2.09 | 1.99 | 2.03 | +2.53% | |
| 1.87 | 2.01 | 1.87 | 1.98 | +1.54% | |
| 1.94 | 2.03 | 1.93 | 1.95 | +2.63% | |
| 1.70 | 1.96 | 1.70 | 1.90 | +11.11% | |
| 1.80 | 1.81 | 1.69 | 1.71 | -2.84% | |
| 1.71 | 1.88 | 1.70 | 1.76 | +1.15% | |
| 1.65 | 1.80 | 1.43 | 1.74 | -20.18% | |
| 2.15 | 2.24 | 2.12 | 2.18 | +4.81% | |
| 2.20 | 2.24 | 2.04 | 2.08 | -5.88% | |
| 2.28 | 2.30 | 2.15 | 2.21 | +5.74% | |
| 2.07 | 2.15 | 2.00 | 2.09 | -0.48% | |
| 2.20 | 2.21 | 1.98 | 2.10 | -4.11% | |
| 2.49 | 2.50 | 2.17 | 2.19 | -10.98% | |
| 2.41 | 2.49 | 2.35 | 2.46 | +2.93% | |
| 2.49 | 2.59 | 2.38 | 2.39 | -2.45% | |
| 2.53 | 2.75 | 2.38 | 2.45 | -1.61% | |
| 2.40 | 2.57 | 2.33 | 2.49 | +2.47% | |
| 2.38 | 2.52 | 2.31 | 2.43 | +2.10% | |
| 2.52 | 2.63 | 2.36 | 2.38 | -4.80% | |
| 2.54 | 2.54 | 2.33 | 2.50 | -4.21% | |
| 2.59 | 2.65 | 2.53 | 2.61 | -1.14% | |
| 2.79 | 2.83 | 2.50 | 2.64 | -6.71% | |
| 2.69 | 2.86 | 2.60 | 2.83 | +5.20% | |
| 2.65 | 2.74 | 2.47 | 2.69 | 0.00% | |
| 2.56 | 2.79 | 2.41 | 2.69 | -4.61% | |
| 3.01 | 3.12 | 2.76 | 2.82 | -8.14% | |
| 2.81 | 3.13 | 2.78 | 3.07 | +6.97% | |
| 2.53 | 2.88 | 2.48 | 2.87 | +16.19% | |
| 2.43 | 2.72 | 2.41 | 2.47 | +0.82% | |
| 2.35 | 2.50 | 2.32 | 2.45 | +2.94% | |
| 2.40 | 2.47 | 2.37 | 2.38 | -2.86% | |
| 2.30 | 2.47 | 2.29 | 2.45 | +5.15% | |
| 2.30 | 2.36 | 2.26 | 2.33 | +1.75% | |
| 2.19 | 2.33 | 2.17 | 2.29 | +3.15% | |
| 2.11 | 2.33 | 2.11 | 2.22 | +5.21% | |
| 2.20 | 2.20 | 2.03 | 2.11 | -4.52% | |
| 2.32 | 2.32 | 2.09 | 2.21 | -2.64% | |
| 2.42 | 2.45 | 2.23 | 2.27 | -5.81% | |
| 2.41 | 2.50 | 2.27 | 2.41 | -0.41% | |
| 2.20 | 2.50 | 2.20 | 2.42 | +12.56% | |
| 2.11 | 2.22 | 2.08 | 2.15 | -2.27% | |
| 2.24 | 2.26 | 2.02 | 2.20 | -1.79% | |
| 2.32 | 2.36 | 2.23 | 2.24 | -2.61% | |
| 2.06 | 2.35 | 2.04 | 2.30 | +9.52% | |
| 2.10 | 2.20 | 2.06 | 2.10 | -2.33% | |
| 2.21 | 2.21 | 2.10 | 2.15 | -3.59% | |
| 2.26 | 2.37 | 2.20 | 2.23 | -2.19% | |
| 2.13 | 2.29 | 2.06 | 2.28 | +6.05% | |
| 2.25 | 2.26 | 2.11 | 2.15 | -4.44% | |
| 2.38 | 2.47 | 2.25 | 2.25 | -5.86% | |
| 2.30 | 2.41 | 2.19 | 2.39 | +6.70% | |
| 2.25 | 2.37 | 2.15 | 2.24 | 0.00% | |
| 2.15 | 2.36 | 2.10 | 2.24 | +1.82% | |
| 2.20 | 2.32 | 2.17 | 2.20 | -0.45% | |
| 2.49 | 2.51 | 2.18 | 2.21 | -11.24% | |
| 2.48 | 2.64 | 2.33 | 2.49 | -1.97% | |
| 2.70 | 2.76 | 2.45 | 2.54 | -5.93% | |
| 2.64 | 2.89 | 2.39 | 2.70 | 0.00% | |
| 2.62 | 2.75 | 2.51 | 2.70 | +14.89% | |
| 2.18 | 2.35 | 2.18 | 2.35 | +8.29% | |
| 2.12 | 2.29 | 1.98 | 2.17 | +5.34% | |
| 2.25 | 2.68 | 2.04 | 2.06 | +9.57% | |
| 2.04 | 2.06 | 1.82 | 1.88 | -6.93% | |
| 1.95 | 2.12 | 1.87 | 2.02 | +4.66% | |
| 1.70 | 1.95 | 1.70 | 1.93 | +12.87% | |
| 1.83 | 1.83 | 1.71 | 1.71 | -7.57% | |
| 1.90 | 1.96 | 1.83 | 1.85 | -2.12% | |
| 1.88 | 1.91 | 1.78 | 1.89 | +1.07% | |
| 1.90 | 1.99 | 1.83 | 1.87 | -0.53% | |
| 2.04 | 2.05 | 1.88 | 1.88 | -6.47% | |
| 1.98 | 2.14 | 1.91 | 2.01 | +1.52% | |
| 1.89 | 1.99 | 1.86 | 1.98 | +5.32% | |
| 2.00 | 2.13 | 1.87 | 1.88 | -0.53% | |
| 2.05 | 2.13 | 1.85 | 1.89 | -8.25% | |
| 1.85 | 2.15 | 1.82 | 2.06 | +12.57% | |
| 1.99 | 2.12 | 1.82 | 1.83 | -5.67% | |
| 2.35 | 2.38 | 1.83 | 1.94 | -19.83% | |
| 2.73 | 2.90 | 2.28 | 2.42 | -13.88% | |
| 2.20 | 3.82 | 2.04 | 2.81 | +26.58% | |
| 1.98 | 2.44 | 1.93 | 2.22 | +32.93% | |
| 1.93 | 2.28 | 1.54 | 1.67 | +39.17% | |
| 1.25 | 1.27 | 1.17 | 1.20 | -6.25% | |
| 1.05 | 1.30 | 1.03 | 1.28 | +23.08% | |
| 1.04 | 1.07 | 0.98 | 1.04 | -2.80% | |
| 1.09 | 1.12 | 1.06 | 1.07 | -2.73% | |
| 1.19 | 1.19 | 1.10 | 1.10 | -10.57% | |
| 1.18 | 1.23 | 1.17 | 1.23 | +2.50% | |
| 1.20 | 1.21 | 1.13 | 1.20 | +2.56% | |
| 1.12 | 1.20 | 1.09 | 1.17 | +5.41% | |
| 1.06 | 1.14 | 1.06 | 1.11 | +5.71% | |
| 1.00 | 1.07 | 0.96 | 1.05 | +5.00% | |
| 1.09 | 1.13 | 0.99 | 1.00 | -8.26% | |
| 1.23 | 1.25 | 1.06 | 1.09 | -9.92% | |
| 1.12 | 1.27 | 1.11 | 1.21 | +10.00% | |
| 1.16 | 1.28 | 1.09 | 1.10 | -5.17% | |
| 1.10 | 1.20 | 1.10 | 1.16 | +0.87% | |
| 1.24 | 1.24 | 1.11 | 1.15 | -8.00% | |
| 1.24 | 1.30 | 1.21 | 1.25 | +0.81% | |
| 1.26 | 1.28 | 1.21 | 1.24 | -3.88% | |
| 1.38 | 1.38 | 1.27 | 1.29 | -2.27% | |
| 1.31 | 1.34 | 1.18 | 1.32 | -5.04% | |
| 1.42 | 1.44 | 1.30 | 1.39 | -3.47% | |
| 1.50 | 1.53 | 1.42 | 1.44 | -5.88% | |
| 1.76 | 1.76 | 1.46 | 1.53 | -13.07% | |
| 1.65 | 1.81 | 1.61 | 1.76 | +10.00% | |
| 1.52 | 1.65 | 1.46 | 1.60 | +3.23% | |
| 1.69 | 1.78 | 1.38 | 1.55 | +0.65% | |
| 1.39 | 1.57 | 1.29 | 1.54 | +10.79% | |
| 1.25 | 1.47 | 1.24 | 1.39 | +8.59% | |
| 1.24 | 1.32 | 1.14 | 1.28 | +5.79% | |
| 1.26 | 1.27 | 1.14 | 1.21 | -4.72% | |
| 1.70 | 1.72 | 1.18 | 1.27 | -8.63% | |
| 1.03 | 1.58 | 1.01 | 1.39 | +25.23% | |
| 1.09 | 1.47 | 1.05 | 1.11 | +24.72% | |
| 0.87 | 0.91 | 0.86 | 0.89 | +4.71% | |
| 0.86 | 0.91 | 0.84 | 0.85 | 0.00% | |
| 0.85 | 0.87 | 0.82 | 0.85 | 0.00% | |
| 0.80 | 0.85 | 0.80 | 0.85 | +6.25% | |
| 0.79 | 0.82 | 0.79 | 0.80 | -1.23% | |
| 0.79 | 0.82 | 0.79 | 0.81 | +2.53% | |
| 0.85 | 0.85 | 0.78 | 0.79 | -7.06% | |
| 0.88 | 0.88 | 0.83 | 0.85 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the IBIO chart for longer ranges.