Stock listing
NASDAQ:OABI OmniAb, Inc. Stock
Home listing (NASDAQ) of OmniAb, Inc.
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Share price · NASDAQ:OABI
$5.11 USD -0.12 (-2.3%)
Close on Oct 30, 2026
- Day range
- $4.39 – $5.11 USDOct 30, 2026
- Volume
- 2.11M sharesOct 30, 2026
- Market cap
- $742.9M USDAt the close on Oct 30, 2026 · price × 145.4M shares outstanding
- 52-week range
- $1.30 – $5.43 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $7.23M USDMedian day 1.29M shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:OABI · Home | $5.11 USD | -0.12 (-2.3%) | 2,110,453 | $4.40 | $5.11 | $4.39 | $5.23 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:OABI · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $5.11 | -0.12 | -2.3% | $4.40 | $5.11 | $4.39 | 2,110,453 | |
| $5.23 | -0.05 | -0.9% | $5.37 | $5.405 | $5.14 | 1,677,670 | |
| $5.28 | +0.32 | +6.5% | $4.92 | $5.29 | $4.905 | 1,582,653 | |
| $4.96 | +0.35 | +7.6% | $4.61 | $4.98 | $4.549 | 1,113,208 | |
| $4.61 | -0.05 | -1.1% | $4.66 | $4.72 | $4.53 | 971,627 | |
| $4.66 | -0.12 | -2.5% | $4.70 | $4.785 | $4.515 | 1,283,200 | |
| $4.78 | -0.135 | -2.7% | $4.91 | $5.055 | $4.71 | 1,336,600 | |
| $4.915 | -0.045 | -0.9% | $4.96 | $5.132 | $4.80 | 3,176,500 | |
| $4.96 | +0.27 | +5.8% | $4.74 | $5.105 | $4.74 | 1,930,800 | |
| $4.69 | +0.10 | +2.2% | $4.53 | $4.755 | $4.52 | 892,400 | |
| $4.59 | -0.14 | -3.0% | $4.73 | $4.82 | $4.505 | 969,400 | |
| $4.73 | +0.18 | +4.0% | $4.60 | $4.755 | $4.531 | 820,500 | |
| $4.55 | -0.15 | -3.2% | $4.62 | $4.83 | $4.53 | 737,800 | |
| $4.70 | -0.07 | -1.5% | $4.76 | $4.815 | $4.62 | 809,400 | |
| $4.77 | -0.02 | -0.4% | $4.77 | $4.845 | $4.64 | 988,600 | |
| $4.79 | +0.13 | +2.8% | $4.66 | $4.915 | $4.59 | 1,038,100 | |
| $4.66 | +0.10 | +2.2% | $4.41 | $4.66 | $4.215 | 1,529,500 | |
| $4.56 | +0.21 | +4.8% | $4.35 | $4.75 | $4.30 | 1,498,200 | |
| $4.35 | -0.57 | -11.6% | $4.85 | $5.00 | $4.215 | 2,002,200 | |
| $4.92 | +0.05 | +1.0% | $4.83 | $5.02 | $4.64 | 1,215,100 | |
| $4.87 | -0.12 | -2.4% | $5.04 | $5.09 | $4.81 | 1,623,600 | |
| $4.99 | +0.03 | +0.6% | $4.94 | $5.055 | $4.835 | 1,981,600 | |
| $4.96 | +0.22 | +4.6% | $4.76 | $5.05 | $4.72 | 1,928,700 | |
| $4.74 | 0.00 | 0.0% | $4.74 | $4.95 | $4.615 | 1,391,900 | |
| $4.74 | +0.13 | +2.8% | $4.61 | $4.81 | $4.55 | 674,900 | |
| $4.61 | -0.18 | -3.8% | $4.82 | $4.84 | $4.585 | 783,600 | |
| $4.79 | 0.00 | 0.0% | $4.75 | $4.865 | $4.63 | 1,044,800 | |
| $4.79 | -0.13 | -2.6% | $4.90 | $4.995 | $4.685 | 1,050,100 | |
| $4.92 | +0.34 | +7.4% | $4.61 | $4.93 | $4.545 | 1,375,000 | |
| $4.58 | +0.11 | +2.5% | $4.50 | $4.64 | $4.45 | 1,363,900 | |
| $4.47 | +0.03 | +0.7% | $4.43 | $4.50 | $4.30 | 1,862,000 | |
| $4.44 | +0.09 | +2.1% | $4.44 | $4.455 | $4.25 | 984,000 | |
| $4.35 | 0.00 | 0.0% | $4.38 | $4.45 | $4.27 | 1,064,600 | |
| $4.35 | -0.13 | -2.9% | $4.43 | $4.43 | $4.24 | 788,700 | |
| $4.48 | +0.41 | +10.1% | $4.13 | $4.535 | $4.12 | 1,599,200 | |
| $4.07 | +0.12 | +3.0% | $3.97 | $4.11 | $3.89 | 1,315,800 | |
| $3.95 | -0.065 | -1.6% | $3.922 | $4.075 | $3.91 | 1,393,700 | |
| $4.015 | -0.225 | -5.3% | $4.21 | $4.27 | $3.97 | 1,203,300 | |
| $4.24 | -0.09 | -2.1% | $4.30 | $4.33 | $4.135 | 1,272,300 | |
| $4.33 | -0.42 | -8.8% | $4.78 | $4.78 | $4.28 | 1,703,500 | |
| $4.75 | -0.29 | -5.8% | $5.08 | $5.08 | $4.625 | 2,004,600 | |
| $5.04 | +0.60 | +13.5% | $4.47 | $5.43 | $4.47 | 5,082,600 | |
| $4.44 | +0.06 | +1.4% | $4.35 | $4.45 | $4.32 | 1,155,200 | |
| $4.38 | -0.09 | -2.0% | $4.44 | $4.46 | $4.33 | 1,179,200 | |
| $4.47 | -0.14 | -3.0% | $4.54 | $4.58 | $4.415 | 1,297,100 | |
| $4.61 | -0.20 | -4.2% | $4.81 | $4.81 | $4.56 | 1,282,700 | |
| $4.81 | +0.15 | +3.2% | $4.695 | $4.93 | $4.635 | 1,442,200 | |
| $4.66 | -0.05 | -1.1% | $4.68 | $4.78 | $4.58 | 1,467,054 | |
| $4.71 | +0.38 | +8.8% | $4.40 | $4.71 | $4.20 | 1,941,317 | |
| $4.33 | +0.03 | +0.7% | $4.31 | $4.535 | $4.14 | 1,851,700 | |
| $4.30 | +0.11 | +2.6% | $4.188 | $4.59 | $4.16 | 2,253,100 | |
| $4.19 | +0.27 | +6.9% | $3.95 | $4.19 | $3.83 | 2,872,300 | |
| $3.92 | +0.10 | +2.6% | $3.84 | $4.19 | $3.789 | 3,247,800 | |
| $3.82 | +0.44 | +13.0% | $4.185 | $4.29 | $3.715 | 18,348,500 | |
| $3.38 | -0.05 | -1.5% | $3.40 | $3.45 | $3.30 | 554,400 | |
| $3.43 | +0.01 | +0.3% | $3.44 | $3.635 | $3.41 | 922,100 | |
| $3.42 | +0.04 | +1.2% | $3.39 | $3.49 | $3.34 | 794,000 | |
| $3.38 | -0.01 | -0.3% | $3.33 | $3.545 | $3.295 | 1,191,100 | |
| $3.39 | +0.31 | +10.1% | $3.14 | $3.435 | $2.99 | 1,841,400 | |
| $3.08 | +0.84 | +37.5% | $2.37 | $3.12 | $2.352 | 2,681,400 | |
| $2.24 | +0.21 | +10.3% | $2.04 | $2.27 | $2.04 | 702,500 | |
| $2.03 | +0.03 | +1.5% | $2.01 | $2.10 | $1.98 | 441,800 | |
| $2.00 | +0.04 | +2.0% | $1.96 | $2.035 | $1.94 | 352,500 | |
| $1.96 | -0.02 | -1.0% | $2.01 | $2.01 | $1.945 | 228,600 | |
| $1.98 | -0.01 | -0.5% | $1.99 | $2.04 | $1.90 | 275,300 | |
| $1.99 | +0.04 | +2.1% | $1.95 | $2.019 | $1.95 | 204,200 |
- Ticker
- NASDAQ:OABI
- Asset type
- Stock
- Sector
- Health care
- Industry
- Diagnostics & research services
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Oct 30, 2026
OmniAb Reports Third Quarter 2026 Financial Results and Business Highlights
Latest earnings call · Oct 30, 2026
Omniab (NASDAQ:OABI) Q3 2026 Earnings Call
Replay and transcript
Latest deck · Oct 30, 2026
Q3 2026 Earnings Presentation
Earnings · 27 slides
Calls
Replays
Omniab (NASDAQ:OABI) Q3 2026 Earnings Call
Fri, Oct 30, 2026 · 8:00 AM ET
Watch TranscriptOmniab (NASDAQ:OABI) Q2 2026 Earnings Call
Thu, Aug 06, 2026 · 4:30 PM ET
Watch TranscriptOmniab (NASDAQ:OABI) Q1 2026 Earnings Call
Thu, May 07, 2026 · 4:30 PM ET
Watch Transcript
Latest news
OmniAb Reports Third Quarter 2026 Financial Results and Business Highlights
Oct 30, 2026
Closed $5.11 (-2.3%) on Oct 30, 2026
OmniAb to Participate in Upcoming Investor Conferences in November
Oct 26, 2026
Closed $4.96 (+7.6%) on Oct 27, 2026
OmniAb to Report Third Quarter 2026 Financial Results on October 30
Oct 14, 2026
Closed $4.73 (+4.0%) on Oct 15, 2026
OmniAb Highlights Partner Pipeline, xPloration® Plans and Outlook, and Introduces the OmniTides™ Platform at Investor & Analyst Day
Oct 6, 2026
Closed $4.35 (-11.6%) on Oct 6, 2026
OmniAb to Participate in Upcoming Investor Conferences
Aug 26, 2026
Closed $4.81 (+3.2%) on Aug 26, 2026
OmniAb Raises 2026 Financial Guidance
Aug 17, 2026
Closed $3.82 (+13.0%) on Aug 17, 2026
OmniAb Reports Second Quarter 2026 Financial Results and Business Highlights
Aug 6, 2026
Closed $3.08 (+37.5%) on Aug 7, 2026
OmniAb to Report Second Quarter 2026 Financial Results on August 6
Jul 16, 2026
Closed $2.04 (-1.9%) on Jul 16, 2026
OmniAb Names Amechi Nwachuku Chief Operating Officer
Jul 13, 2026
Closed $2.11 (-7.9%) on Jul 13, 2026
OmniAb Reports First Quarter 2026 Financial Results and Business Highlights
May 7, 2026
Closed $1.66 (+12.9%) on May 8, 2026
Decks
Q3 2026 Earnings Presentation
Earnings · 27 slides · Oct 30, 2026
Investor Day (October 2026)
Investor day · 69 slides · Oct 6, 2026
Q2 2026 Earnings Presentation
Earnings · 24 slides · Aug 6, 2026
Q1 2026 Earnings Presentation
Earnings · 22 slides · May 7, 2026
OmniAb, Inc. on 6ix
- Sector
- Health care
- Industry
- Diagnostics & research services
- News releases
- 19 in the last 12 months · 53 in all · newest Oct 30, 2026 · oldest 2022
- Calls
- 16 calls with a replay · 16 with a transcript · latest Oct 30, 2026
- Decks
- 40 decks · latest Oct 30, 2026
Where OmniAb, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:OABI · Home listing · This page | NASDAQ | United States | USD |
| BOATS:OABI | BOATS | United States | USD |
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