OmniAb, Inc. (OABIW) stock
OABIWNasdaqServices-Commercial Physical & Biological ResearchFiscal year ends December 31Also trades as OABI
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 30, 2026Score 10/309% above fair value
$0.41−0.01 (-2.38%)
Close on Oct 30, 2026Market cap $742.95MP/E –Yield –
Price history
OmniAb share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$0.41
-2.38% on the day
52-week range
$0.04 – $0.4875
-15.9% from the high
Change over 52 weeks
+148.5%
From $0.165 on Oct 30, 2025
Average volume
8,647
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $0.3675 | $0.4875 | $0.1625 | $0.41 | +11.56% | 18,375 |
| Sep 2026 | $0.26 | $0.422 | $0.26 | $0.3675 | +41.35% | 125,650 |
| Aug 2026 | $0.0834 | $0.3999 | $0.045 | $0.26 | +211.75% | 601,900 |
| Jul 2026 | $0.0887 | $0.0887 | $0.04 | $0.0834 | -5.98% | 31,349 |
| Jun 2026 | $0.10 | $0.1183 | $0.0532 | $0.0887 | -11.30% | 11,628 |
| May 2026 | $0.1175 | $0.1327 | $0.0531 | $0.10 | -14.89% | 183,477 |
| Apr 2026 | $0.08 | $0.1175 | $0.0751 | $0.1175 | +46.87% | 23,933 |
| Mar 2026 | $0.11 | $0.11 | $0.08 | $0.08 | -10.81% | 17,456 |
| Feb 2026 | $0.111 | $0.111 | $0.0827 | $0.0897 | -19.19% | 5,509 |
| Jan 2026 | $0.1199 | $0.1199 | $0.0751 | $0.111 | -7.42% | 69,420 |
| Dec 2025 | $0.1276 | $0.1298 | $0.08 | $0.1199 | -6.03% | 36,366 |
| Nov 2025 | $0.165 | $0.165 | $0.0775 | $0.1276 | -22.67% | 94,959 |
| Oct 2025 | $0.17 | $0.17 | $0.15 | $0.165 | -2.94% | 2,472 |
| Sep 2025 | $0.2068 | $0.2068 | $0.1125 | $0.17 | -17.79% | 51,946 |
| Aug 2025 | $0.29 | $0.29 | $0.1225 | $0.2068 | -28.69% | 67,742 |
| Jul 2025 | $0.2172 | $0.30 | $0.18 | $0.29 | +67.53% | 12,818 |
| Jun 2025 | $0.16 | $0.29 | $0.16 | $0.1731 | -13.45% | 16,674 |
| May 2025 | $0.35 | $0.35 | $0.198 | $0.20 | -42.86% | 4,892 |
| Apr 2025 | $0.3731 | $0.4074 | $0.2352 | $0.35 | -6.19% | 23,994 |
| Mar 2025 | $0.40 | $0.5605 | $0.2817 | $0.3731 | -26.99% | 110,497 |
| Feb 2025 | $0.395 | $0.6275 | $0.363 | $0.511 | +29.37% | 933,735 |
| Jan 2025 | $0.34 | $0.4525 | $0.305 | $0.395 | +16.18% | 20,577 |
| Dec 2024 | $0.3004 | $0.356 | $0.3001 | $0.34 | +13.18% | 2,101,321 |
| Nov 2024 | $0.3201 | $0.4499 | $0.235 | $0.3004 | +0.13% | 293,885 |
| Oct 2024 | $0.405 | $0.405 | $0.2351 | $0.30 | -25.93% | 1,563,738 |
| Sep 2024 | $0.4399 | $0.4399 | $0.275 | $0.405 | -7.93% | 1,189,739 |
| Aug 2024 | $0.46 | $0.4635 | $0.335 | $0.4399 | -4.37% | 63,305 |
| Jul 2024 | $0.3939 | $0.5799 | $0.306 | $0.46 | +0.59% | 83,487 |
| Jun 2024 | $0.60 | $0.69 | $0.3499 | $0.4573 | -23.77% | 122,680 |
| May 2024 | $0.6188 | $0.6243 | $0.4801 | $0.5999 | -3.05% | 91,206 |
| Apr 2024 | $0.7234 | $0.7899 | $0.50 | $0.6188 | -11.91% | 103,633 |
| Mar 2024 | $0.99 | $1.02 | $0.5925 | $0.7025 | -26.36% | 341,269 |
| Feb 2024 | $1.15 | $1.39 | $0.954 | $0.954 | -17.04% | 84,510 |
| Jan 2024 | $1.03 | $1.25 | $1.02 | $1.15 | +11.65% | 19,498 |
| Dec 2023 | $0.63 | $1.03 | $0.60 | $1.03 | +77.59% | 76,706 |
| Nov 2023 | $0.71 | $0.7901 | $0.45 | $0.58 | -21.63% | 562,028 |
| Oct 2023 | $1.11 | $1.11 | $0.7286 | $0.7401 | -29.22% | 104,039 |
| Sep 2023 | $1.20 | $1.31 | $0.8301 | $1.05 | -11.38% | 274,819 |
| Aug 2023 | $1.04 | $1.50 | $0.8672 | $1.18 | +15.68% | 340,625 |
| Jul 2023 | $0.77 | $1.06 | $0.6987 | $1.02 | +32.47% | 546,302 |
| Jun 2023 | $0.6001 | $0.795 | $0.5901 | $0.77 | +26.23% | 395,115 |
| May 2023 | $0.4481 | $0.6499 | $0.3959 | $0.61 | +52.46% | 1,878,905 |
| Apr 2023 | $0.55 | $0.55 | $0.40 | $0.4001 | -27.54% | 450,811 |
| Mar 2023 | $0.6725 | $0.7136 | $0.44 | $0.5522 | -20.12% | 343,850 |
| Feb 2023 | $0.65 | $0.74 | $0.5752 | $0.6913 | -1.24% | 424,400 |
| Jan 2023 | $0.5513 | $0.9975 | $0.43 | $0.70 | +27.27% | 340,685 |
| Dec 2022 | $0.3663 | $0.64 | $0.353 | $0.55 | +37.50% | 626,855 |
| Nov 2022 | $0.6716 | $0.6936 | $0.2914 | $0.40 | -47.31% | 896,823 |
| Oct 2022 | $0.5347 | $0.8769 | $0.5272 | $0.7591 | +51.82% | 499,297 |
| Sep 2022 | $0.5002 | $0.7695 | $0.45 | $0.50 | -9.09% | 233,251 |
| Aug 2022 | $0.48 | $0.6661 | $0.4144 | $0.55 | +16.25% | 405,816 |
| Jul 2022 | $0.30 | $0.5288 | $0.25 | $0.4731 | +43.36% | 317,835 |
| Jun 2022 | $0.4999 | $0.5499 | $0.33 | $0.33 | -29.79% | 619,339 |
| May 2022 | $0.65 | $0.65 | $0.3817 | $0.47 | -27.58% | 584,960 |
| Apr 2022 | $0.70 | $0.90 | $0.5502 | $0.649 | -6.79% | 279,090 |
| Mar 2022 | $0.43 | $0.7001 | $0.16 | $0.6963 | +66.42% | 2,108,069 |
| Feb 2022 | $0.48 | $0.51 | $0.41 | $0.4184 | -12.29% | 242,550 |
| Jan 2022 | $0.75 | $0.75 | $0.4605 | $0.477 | -35.36% | 238,173 |
| Dec 2021 | $0.60 | $0.7399 | $0.55 | $0.7379 | +20.97% | 231,303 |
| Nov 2021 | $0.69 | $0.73 | $0.60 | $0.61 | -7.58% | 213,409 |
| Oct 2021 | $0.60 | $0.75 | $0.5001 | $0.66 | +20.00% | 1,347,692 |
| Sep 2021 | $0.55 | $0.55 | $0.55 | $0.55 | – | 1,488 |
Seasonality
OABIW return in each calendar month over the last 6 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 2.5% | -4.1% | -3.6% | -1.1% | -7.2% | -10.4% | 27.6% | 42.1% | -1.0% | 4.2% | -19.8% | 28.6% |
| Months up | 3 of 5 | 1 of 5 | 1 of 5 | 1 of 5 | 1 of 5 | 1 of 5 | 4 of 5 | 3 of 5 | 1 of 5 | 3 of 6 | 1 of 5 | 4 of 5 |
| 2026 | -7.4% | -19.2% | -10.8% | 46.9% | -14.9% | -11.3% | -6.0% | 211.8% | 41.3% | 11.6% | ||
| 2025 | 16.2% | 29.4% | -27.0% | -6.2% | -42.9% | -13.5% | 67.5% | -28.7% | -17.8% | -2.9% | -22.7% | -6.0% |
| 2024 | 11.7% | -17.0% | -26.4% | -11.9% | -3.1% | -23.8% | 0.6% | -4.4% | -7.9% | -25.9% | 0.1% | 13.2% |
| 2023 | 27.3% | -1.2% | -20.1% | -27.5% | 52.5% | 26.2% | 32.5% | 15.7% | -11.4% | -29.2% | -21.6% | 77.6% |
| 2022 | -35.4% | -12.3% | 66.4% | -6.8% | -27.6% | -29.8% | 43.4% | 16.3% | -9.1% | 51.8% | -47.3% | 37.5% |
| 2021 | 20.0% | -7.6% | 21.0% |