OmniAb Stock Price History
NASDAQ: OABIHealth CareBiotechnology: Commercial Physical & Biological ResarchUSD
4.79+0.13 (+2.79%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
OABI price history at a glance
The price history for OmniAb (OABI) on this page begins on September 27, 2021, when the stock closed at $10.00; it most recently closed at $4.79 on October 5, 2026. The highest price in this record is $10.50, reached on September 27, 2021; the latest close is 54.4% below that peak. Across the 4 complete calendar years in the table, OABI finished higher in 1 and lower in 3. Its best year was 2023 (+71.4%) and its worst was 2022 (-64.0%).
Over roughly 5 years the share price changed -52.1%, a -13.6% compound annual price return (excluding dividends). In the last 12 months alone, OABI has gained 196.6%. 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 2021
- $10.50
- Date of high
- Sep 27, 2021
- Low since 2021
- $1.22
- Date of low
- May 26, 2025
- 52-week high
- $5.43
- 52-week low
- $1.30
- IPO year
- 2021
- Last close
- $4.79
OABI returns
1 week
-1.64%
1 month
+19.30%
3 months
+109.17%
6 months
+225.85%
Year to date
+158.92%
1 year
+196.59%
3 years
-1.24%
5 years
-51.96%
OABI price return, excluding dividends.
OABI annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 4.79 | +154.79% |
| 2025 | 1.88 | -48.91% |
| 2024 | 3.68 | -40.36% |
| 2023 | 6.17 | +71.39% |
| 2022 | 3.60 | -64.00% |
| 2021* | 10.00 | 0.00% |
* Partial year: the record begins after the start of 2021; return measured from the first available close.
2026 return is year to date.
OABI daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 4.66 | 4.92 | 4.59 | 4.79 | +2.79% | |
| 4.41 | 4.66 | 4.22 | 4.66 | +2.19% | |
| 4.35 | 4.75 | 4.30 | 4.56 | +4.83% | |
| 4.85 | 5.00 | 4.22 | 4.35 | -11.59% | |
| 4.83 | 5.02 | 4.64 | 4.92 | +1.03% | |
| 5.04 | 5.09 | 4.81 | 4.87 | -2.40% | |
| 4.94 | 5.06 | 4.84 | 4.99 | +0.60% | |
| 4.76 | 5.05 | 4.72 | 4.96 | +4.64% | |
| 4.74 | 4.95 | 4.62 | 4.74 | 0.00% | |
| 4.61 | 4.81 | 4.55 | 4.74 | +2.82% | |
| 4.82 | 4.84 | 4.59 | 4.61 | -3.76% | |
| 4.75 | 4.87 | 4.63 | 4.79 | 0.00% | |
| 4.90 | 5.00 | 4.69 | 4.79 | -2.64% | |
| 4.61 | 4.93 | 4.55 | 4.92 | +7.42% | |
| 4.50 | 4.64 | 4.45 | 4.58 | +2.46% | |
| 4.43 | 4.50 | 4.30 | 4.47 | +0.68% | |
| 4.44 | 4.46 | 4.25 | 4.44 | +2.07% | |
| 4.38 | 4.45 | 4.27 | 4.35 | 0.00% | |
| 4.43 | 4.43 | 4.24 | 4.35 | -2.90% | |
| 4.13 | 4.54 | 4.12 | 4.48 | +10.07% | |
| 3.97 | 4.11 | 3.89 | 4.07 | +3.04% | |
| 3.92 | 4.08 | 3.91 | 3.95 | -1.62% | |
| 4.21 | 4.27 | 3.97 | 4.02 | -5.31% | |
| 4.30 | 4.33 | 4.14 | 4.24 | -2.08% | |
| 4.78 | 4.78 | 4.28 | 4.33 | -8.84% | |
| 5.08 | 5.08 | 4.63 | 4.75 | -5.75% | |
| 4.47 | 5.43 | 4.47 | 5.04 | +13.51% | |
| 4.35 | 4.45 | 4.32 | 4.44 | +1.37% | |
| 4.44 | 4.46 | 4.33 | 4.38 | -2.01% | |
| 4.54 | 4.58 | 4.42 | 4.47 | -3.04% | |
| 4.81 | 4.81 | 4.56 | 4.61 | -4.16% | |
| 4.70 | 4.93 | 4.64 | 4.81 | +3.22% | |
| 4.68 | 4.78 | 4.58 | 4.66 | -1.06% | |
| 4.40 | 4.71 | 4.20 | 4.71 | +8.78% | |
| 4.31 | 4.54 | 4.14 | 4.33 | +0.70% | |
| 4.19 | 4.59 | 4.16 | 4.30 | +2.63% | |
| 3.95 | 4.19 | 3.83 | 4.19 | +6.89% | |
| 3.84 | 4.19 | 3.79 | 3.92 | +2.62% | |
| 4.19 | 4.29 | 3.72 | 3.82 | +13.02% | |
| 3.40 | 3.45 | 3.30 | 3.38 | -1.46% | |
| 3.44 | 3.64 | 3.41 | 3.43 | +0.29% | |
| 3.39 | 3.49 | 3.34 | 3.42 | +1.18% | |
| 3.33 | 3.55 | 3.30 | 3.38 | -0.29% | |
| 3.14 | 3.44 | 2.99 | 3.39 | +10.06% | |
| 2.37 | 3.12 | 2.35 | 3.08 | +37.50% | |
| 2.04 | 2.27 | 2.04 | 2.24 | +10.34% | |
| 2.01 | 2.10 | 1.98 | 2.03 | +1.50% | |
| 1.96 | 2.04 | 1.94 | 2.00 | +2.04% | |
| 2.01 | 2.01 | 1.95 | 1.96 | -1.01% | |
| 1.99 | 2.04 | 1.90 | 1.98 | -0.50% | |
| 1.95 | 2.02 | 1.95 | 1.99 | +2.05% | |
| 1.98 | 2.00 | 1.92 | 1.95 | -1.02% | |
| 2.04 | 2.10 | 1.95 | 1.97 | -2.96% | |
| 2.06 | 2.13 | 2.02 | 2.03 | 0.00% | |
| 2.05 | 2.12 | 2.03 | 2.03 | -0.49% | |
| 2.08 | 2.13 | 2.03 | 2.04 | -3.32% | |
| 2.06 | 2.11 | 2.01 | 2.11 | +0.96% | |
| 2.15 | 2.15 | 2.02 | 2.09 | +0.48% | |
| 2.12 | 2.15 | 2.05 | 2.08 | -1.89% | |
| 2.02 | 2.16 | 1.95 | 2.12 | +3.92% | |
| 2.15 | 2.15 | 2.01 | 2.04 | -1.92% | |
| 2.14 | 2.17 | 2.03 | 2.08 | -2.80% | |
| 2.13 | 2.22 | 2.07 | 2.14 | +1.42% | |
| 2.26 | 2.28 | 2.11 | 2.11 | -7.86% | |
| 2.20 | 2.35 | 2.14 | 2.29 | +2.23% | |
| 2.28 | 2.35 | 2.22 | 2.24 | -2.61% | |
| 2.36 | 2.38 | 2.24 | 2.30 | -0.86% | |
| 2.41 | 2.57 | 2.29 | 2.32 | -3.73% | |
| 2.40 | 2.51 | 2.32 | 2.41 | -0.41% | |
| 2.35 | 2.46 | 2.35 | 2.42 | +1.26% | |
| 2.44 | 2.49 | 2.38 | 2.39 | -2.85% | |
| 2.57 | 2.61 | 2.45 | 2.46 | -4.28% | |
| 2.52 | 2.61 | 2.47 | 2.57 | +1.98% | |
| 2.49 | 2.57 | 2.38 | 2.52 | +0.40% | |
| 2.30 | 2.61 | 2.23 | 2.51 | +10.09% | |
| 2.34 | 2.47 | 2.27 | 2.28 | -2.15% | |
| 2.22 | 2.37 | 2.22 | 2.33 | +0.43% | |
| 2.34 | 2.48 | 2.26 | 2.32 | -0.85% | |
| 2.07 | 2.34 | 2.05 | 2.34 | +15.27% | |
| 2.04 | 2.13 | 2.00 | 2.03 | +0.50% | |
| 2.11 | 2.17 | 2.02 | 2.02 | -4.27% | |
| 2.31 | 2.37 | 2.07 | 2.11 | -7.05% | |
| 2.34 | 2.38 | 2.27 | 2.27 | -2.99% | |
| 2.42 | 2.47 | 2.30 | 2.34 | -1.68% | |
| 2.41 | 2.51 | 2.35 | 2.38 | -0.83% | |
| 2.31 | 2.42 | 2.31 | 2.40 | +5.26% | |
| 2.49 | 2.52 | 2.26 | 2.28 | -8.06% | |
| 2.66 | 2.66 | 2.45 | 2.48 | -6.77% | |
| 2.50 | 2.74 | 2.44 | 2.66 | +6.40% | |
| 2.62 | 2.63 | 2.48 | 2.50 | -4.58% | |
| 2.57 | 2.74 | 2.55 | 2.62 | +0.38% | |
| 2.71 | 2.79 | 2.54 | 2.61 | -3.33% | |
| 2.73 | 2.76 | 2.67 | 2.70 | -0.74% | |
| 2.56 | 2.72 | 2.55 | 2.72 | +5.02% | |
| 2.55 | 2.61 | 2.49 | 2.59 | +1.57% | |
| 2.67 | 2.68 | 2.47 | 2.55 | -3.77% | |
| 2.55 | 2.73 | 2.51 | 2.65 | +3.92% | |
| 2.56 | 2.60 | 2.48 | 2.55 | -1.16% | |
| 2.54 | 2.61 | 2.40 | 2.58 | +8.86% | |
| 2.29 | 2.46 | 2.25 | 2.37 | +3.49% | |
| 2.20 | 2.34 | 2.19 | 2.29 | +5.05% | |
| 2.15 | 2.24 | 2.08 | 2.18 | -0.46% | |
| 2.01 | 2.26 | 1.98 | 2.19 | +8.96% | |
| 1.84 | 2.02 | 1.80 | 2.01 | +8.65% | |
| 1.67 | 1.89 | 1.66 | 1.85 | +10.78% | |
| 1.67 | 1.69 | 1.64 | 1.67 | +0.60% | |
| 1.54 | 1.69 | 1.52 | 1.66 | +12.93% | |
| 1.43 | 1.48 | 1.42 | 1.47 | +2.80% | |
| 1.40 | 1.46 | 1.35 | 1.43 | +2.14% | |
| 1.45 | 1.46 | 1.36 | 1.40 | -0.71% | |
| 1.40 | 1.45 | 1.40 | 1.41 | +0.71% | |
| 1.39 | 1.42 | 1.36 | 1.40 | +0.72% | |
| 1.35 | 1.42 | 1.35 | 1.39 | +2.21% | |
| 1.40 | 1.43 | 1.36 | 1.36 | -2.86% | |
| 1.46 | 1.46 | 1.40 | 1.40 | -2.78% | |
| 1.45 | 1.50 | 1.43 | 1.44 | -1.37% | |
| 1.56 | 1.57 | 1.45 | 1.46 | -6.41% | |
| 1.50 | 1.56 | 1.48 | 1.56 | +4.00% | |
| 1.50 | 1.58 | 1.48 | 1.50 | +1.35% | |
| 1.54 | 1.60 | 1.46 | 1.48 | -4.52% | |
| 1.61 | 1.63 | 1.50 | 1.55 | -5.49% | |
| 1.59 | 1.65 | 1.55 | 1.64 | +5.13% | |
| 1.48 | 1.57 | 1.44 | 1.56 | +5.41% | |
| 1.46 | 1.51 | 1.44 | 1.48 | +1.37% | |
| 1.46 | 1.50 | 1.45 | 1.46 | 0.00% | |
| 1.47 | 1.48 | 1.43 | 1.46 | -0.68% | |
| 1.50 | 1.51 | 1.45 | 1.47 | -2.00% | |
| 1.50 | 1.57 | 1.49 | 1.50 | -1.32% | |
| 1.55 | 1.58 | 1.52 | 1.52 | +0.66% | |
| 1.53 | 1.56 | 1.46 | 1.51 | -1.95% | |
| 1.52 | 1.56 | 1.52 | 1.54 | 0.00% | |
| 1.58 | 1.58 | 1.52 | 1.54 | -1.28% | |
| 1.56 | 1.61 | 1.55 | 1.56 | -0.64% | |
| 1.58 | 1.58 | 1.54 | 1.57 | +0.64% | |
| 1.53 | 1.57 | 1.51 | 1.56 | +3.31% | |
| 1.56 | 1.59 | 1.47 | 1.51 | -4.43% | |
| 1.61 | 1.67 | 1.56 | 1.58 | -2.47% | |
| 1.69 | 1.73 | 1.62 | 1.62 | -2.99% | |
| 1.73 | 1.75 | 1.67 | 1.67 | -5.11% | |
| 1.75 | 1.82 | 1.75 | 1.76 | +0.57% | |
| 1.84 | 1.84 | 1.75 | 1.75 | -4.89% | |
| 1.78 | 1.86 | 1.77 | 1.84 | +1.10% | |
| 1.79 | 1.88 | 1.78 | 1.82 | -0.55% | |
| 1.83 | 1.86 | 1.78 | 1.83 | 0.00% | |
| 1.80 | 1.90 | 1.80 | 1.83 | +2.23% | |
| 1.91 | 1.91 | 1.77 | 1.79 | -3.24% | |
| 1.89 | 1.96 | 1.83 | 1.85 | -5.37% | |
| 1.96 | 1.99 | 1.92 | 1.96 | -1.76% | |
| 1.95 | 2.04 | 1.90 | 1.99 | +2.05% | |
| 1.83 | 1.96 | 1.80 | 1.95 | +3.17% | |
| 1.96 | 1.96 | 1.81 | 1.89 | -5.50% | |
| 1.81 | 2.06 | 1.76 | 2.00 | +10.50% | |
| 1.77 | 1.82 | 1.72 | 1.81 | +4.62% | |
| 1.72 | 1.77 | 1.69 | 1.73 | -1.70% | |
| 1.68 | 1.78 | 1.67 | 1.76 | +2.33% | |
| 1.76 | 1.79 | 1.72 | 1.72 | -4.44% | |
| 1.79 | 1.80 | 1.73 | 1.80 | +0.56% | |
| 1.74 | 1.82 | 1.73 | 1.79 | +3.47% | |
| 1.72 | 1.78 | 1.72 | 1.73 | +1.17% | |
| 1.70 | 1.73 | 1.70 | 1.71 | +0.59% | |
| 1.71 | 1.74 | 1.68 | 1.70 | -0.58% | |
| 1.71 | 1.74 | 1.69 | 1.71 | 0.00% | |
| 1.70 | 1.73 | 1.68 | 1.71 | 0.00% | |
| 1.68 | 1.79 | 1.68 | 1.71 | +0.59% | |
| 1.70 | 1.82 | 1.69 | 1.70 | +0.59% | |
| 1.73 | 1.76 | 1.64 | 1.69 | -0.59% | |
| 1.75 | 1.78 | 1.69 | 1.70 | -1.73% | |
| 1.83 | 1.88 | 1.73 | 1.73 | -3.35% | |
| 1.68 | 1.82 | 1.67 | 1.79 | +5.29% | |
| 1.70 | 1.72 | 1.67 | 1.70 | +3.03% | |
| 1.72 | 1.86 | 1.64 | 1.65 | -5.17% | |
| 1.81 | 1.83 | 1.70 | 1.74 | -1.14% | |
| 1.78 | 1.84 | 1.74 | 1.76 | -1.68% | |
| 1.83 | 1.86 | 1.78 | 1.79 | -1.65% | |
| 1.85 | 1.92 | 1.77 | 1.82 | -2.15% | |
| 1.85 | 1.86 | 1.78 | 1.86 | +0.54% | |
| 1.95 | 1.96 | 1.76 | 1.85 | -5.61% | |
| 1.98 | 1.98 | 1.89 | 1.96 | +0.51% | |
| 1.98 | 1.99 | 1.93 | 1.95 | -0.51% | |
| 2.06 | 2.06 | 1.95 | 1.96 | -5.31% | |
| 2.02 | 2.10 | 2.02 | 2.07 | +2.99% | |
| 1.90 | 2.03 | 1.89 | 2.01 | +5.79% | |
| 1.90 | 1.97 | 1.86 | 1.90 | 0.00% | |
| 1.92 | 1.98 | 1.85 | 1.90 | -1.04% | |
| 1.93 | 1.94 | 1.87 | 1.92 | +0.52% | |
| 1.89 | 1.91 | 1.87 | 1.91 | +0.53% | |
| 1.90 | 1.92 | 1.88 | 1.90 | -0.52% | |
| 1.91 | 1.94 | 1.88 | 1.91 | 0.00% | |
| 1.91 | 1.95 | 1.90 | 1.91 | +1.06% | |
| 1.84 | 1.91 | 1.84 | 1.89 | -0.53% | |
| 1.84 | 1.93 | 1.84 | 1.90 | +3.26% | |
| 1.83 | 1.87 | 1.81 | 1.84 | -0.54% | |
| 1.90 | 1.94 | 1.85 | 1.85 | -1.60% | |
| 1.85 | 1.93 | 1.83 | 1.88 | +1.62% | |
| 1.88 | 1.89 | 1.80 | 1.85 | -0.54% | |
| 1.89 | 1.90 | 1.84 | 1.86 | -2.11% | |
| 1.92 | 1.94 | 1.89 | 1.90 | -1.55% | |
| 1.92 | 1.94 | 1.85 | 1.93 | -1.53% | |
| 1.94 | 2.00 | 1.85 | 1.96 | +1.03% | |
| 2.04 | 2.07 | 1.92 | 1.94 | -5.37% | |
| 2.04 | 2.15 | 2.03 | 2.05 | -1.91% | |
| 2.02 | 2.14 | 2.00 | 2.09 | +3.98% | |
| 2.09 | 2.15 | 2.01 | 2.01 | -2.43% | |
| 2.05 | 2.14 | 2.05 | 2.06 | +0.49% | |
| 2.03 | 2.10 | 2.03 | 2.05 | +0.99% | |
| 2.17 | 2.17 | 2.03 | 2.03 | -5.58% | |
| 2.17 | 2.22 | 2.13 | 2.15 | -0.46% | |
| 2.00 | 2.22 | 1.99 | 2.16 | +8.00% | |
| 1.97 | 2.04 | 1.97 | 2.00 | +0.50% | |
| 2.01 | 2.01 | 1.90 | 1.99 | 0.00% | |
| 1.96 | 2.02 | 1.94 | 1.99 | +2.05% | |
| 2.00 | 2.04 | 1.92 | 1.95 | -1.02% | |
| 1.87 | 1.98 | 1.86 | 1.97 | +4.79% | |
| 1.72 | 1.89 | 1.70 | 1.88 | +9.94% | |
| 1.75 | 1.76 | 1.69 | 1.71 | -1.72% | |
| 1.77 | 1.79 | 1.71 | 1.74 | -3.87% | |
| 1.87 | 1.87 | 1.78 | 1.81 | -2.69% | |
| 1.86 | 1.87 | 1.81 | 1.86 | 0.00% | |
| 1.75 | 1.87 | 1.73 | 1.86 | +7.51% | |
| 1.78 | 1.84 | 1.72 | 1.73 | -2.26% | |
| 1.66 | 1.78 | 1.57 | 1.77 | +5.99% | |
| 1.68 | 1.73 | 1.66 | 1.67 | +1.21% | |
| 1.59 | 1.65 | 1.57 | 1.65 | +2.48% | |
| 1.44 | 1.63 | 1.43 | 1.61 | +5.92% | |
| 1.56 | 1.62 | 1.51 | 1.52 | -2.56% | |
| 1.50 | 1.57 | 1.44 | 1.56 | +2.63% | |
| 1.57 | 1.61 | 1.51 | 1.52 | -3.18% | |
| 1.63 | 1.64 | 1.56 | 1.57 | -2.48% | |
| 1.50 | 1.63 | 1.48 | 1.61 | +8.05% | |
| 1.40 | 1.50 | 1.40 | 1.49 | +7.97% | |
| 1.37 | 1.40 | 1.33 | 1.38 | 0.00% | |
| 1.41 | 1.46 | 1.38 | 1.38 | -3.16% | |
| 1.44 | 1.49 | 1.30 | 1.43 | -3.72% | |
| 1.45 | 1.52 | 1.45 | 1.48 | 0.00% | |
| 1.54 | 1.55 | 1.46 | 1.48 | -4.52% | |
| 1.49 | 1.56 | 1.48 | 1.55 | +4.03% | |
| 1.47 | 1.52 | 1.47 | 1.49 | +1.36% | |
| 1.54 | 1.56 | 1.45 | 1.47 | -5.16% | |
| 1.58 | 1.61 | 1.54 | 1.55 | -2.52% | |
| 1.65 | 1.75 | 1.58 | 1.59 | -2.45% | |
| 1.61 | 1.67 | 1.60 | 1.63 | +1.87% | |
| 1.65 | 1.69 | 1.59 | 1.60 | -3.03% | |
| 1.67 | 1.71 | 1.59 | 1.65 | -0.60% | |
| 1.72 | 1.76 | 1.65 | 1.66 | -4.05% | |
| 1.72 | 1.75 | 1.69 | 1.73 | +4.22% | |
| 1.68 | 1.72 | 1.64 | 1.66 | -2.35% | |
| 1.72 | 1.80 | 1.68 | 1.70 | -0.58% | |
| 1.65 | 1.73 | 1.64 | 1.71 | +6.21% | |
| 1.60 | 1.64 | 1.59 | 1.61 | -0.62% | |
| 1.64 | 1.64 | 1.59 | 1.62 | +0.31% | |
| 1.82 | 1.86 | 1.61 | 1.62 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the OABI chart for longer ranges.