OmniAb, Inc.
OABI- Exchange
- Nasdaq
- Industry
- Services-Commercial Physical & Biological Research
- SEC CIK
- 0001846253
No open-market purchases or sales by OmniAb, Inc. insiders were filed in the last 90 days; 131 institutions reported holding it in 13F filings for Q2 2026, worth $144.2M in total; no superinvestor holds it.
Other share classesOABIW
13F holders, Q2 2023
Institutional positions in OmniAb, Inc. as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 144
- +3 vs. Q1 2023
- Shares held
- 67.4M
- +1.16M (+1.8%) vs. Q1 2023
- Total value
- $338.6M
- +$95.3M (+39.2%) vs. Q1 2023
- New holders
- 22
- 44 more added
- Sold out
- 19
- 46 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OABI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 131 | $144.2M |
| Q1 2026 | 128 | $87.7M |
| Q4 2025 | 129 | $105.8M |
| Q3 2025 | 140 | $100.5M |
| Q2 2025 | 144 | $95.5M |
| Q1 2025 | 153 | $152.0M |
| Q4 2024 | 165 | $224.7M |
| Q3 2024 | 165 | $334.6M |
| Q2 2024 | 160 | $293.9M |
| Q1 2024 | 153 | $450.4M |
| Q4 2023 | 157 | $514.0M |
| Q3 2023 | 148 | $355.9M |
| Q2 2023 | 144 | $338.6M |
| Q1 2023 | 142 | $243.3M |
| Q4 2022 | 148 | $234.9M |
| Q3 2022 | 1 | $11.2M |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2023
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 7,692,211 | $38.7M | 0.02% | +1,073,985+16.2% | Added |
| BlackRock Inc. | 6,802,596 | $34.2M | 0.00% | +1,090,237+19.1% | Added |
| Vanguard Group Inc | 5,693,894 | $28.6M | 0.00% | +16,353+0.3% | Added |
| Millennium Management LLC | 4,336,079 | $21.2M | 0.02% | −1,133,499−20.7% | Reduced |
| Macquarie Group Ltd | 3,947,573 | $19.9M | 0.02% | +168,664+4.5% | Added |
| Private Management Group Inc | 3,669,435 | $18.5M | 0.78% | +387,113+11.8% | Added |
| Chicago Capital, LLC | 3,172,705 | $16.0M | 0.72% | +333,804+11.8% | Added |
| Rice Hall James & Associates, LLC | 2,832,376 | $14.2M | 0.81% | +12,274+0.4% | Added |
| William Blair Investment Management, LLC | 2,781,750 | $14.0M | 0.04% | +32,881+1.2% | Added |
| Villere St Denis J & Co LLC | 2,262,057 | $11.4M | 0.82% | −17,025−0.7% | Reduced |
| First Sabrepoint Capital Management LP | 2,180,000 | $11.0M | 4.80% | −1,020,000−31.9% | Reduced |
| State Street Corp | 2,065,952 | $10.4M | 0.00% | +269,599+15.0% | Added |
| Geode Capital Management, LLC | 2,044,881 | $10.3M | 0.00% | +283,357+16.1% | Added |
| Kornitzer Capital Management Inc | 1,730,425 | $8.70M | 0.17% | −29,950−1.7% | Reduced |
| Dimensional Fund Advisors LP | 1,707,453 | $8.59M | 0.00% | −227,408−11.8% | Reduced |
| Orchard Capital Managment, LLC | 1,280,190 | $6.44M | 2.17% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 1,148,184 | $5.78M | 0.02% | 00.0% | Unchanged |
| Knott David M Jr | 1,086,505 | $5.46M | 2.31% | 00.0% | Unchanged |
| Northern Trust Corp | 967,750 | $4.87M | 0.00% | +96,458+11.1% | Added |
| Charles Schwab Investment Management Inc | 750,778 | $3.78M | 0.00% | +42,124+5.9% | Added |
| Rubric Capital Management LP | 702,053 | $3.53M | 0.15% | +702,053 | New |
| Woodstock Corp | 678,352 | $3.41M | 0.40% | +59,203+9.6% | Added |
| Deutsche Bank AG | 574,644 | $2.89M | 0.00% | +316,258+122.4% | Added |
| AWH Capital, L.P. | 555,500 | $2.79M | 2.46% | +140,500+33.9% | Added |
| Fuller & Thaler Asset Management, Inc. | 481,395 | $2.42M | 0.01% | +481,395 | New |
| 1492 Capital Management LLC | 442,762 | $2.23M | 1.30% | −346−0.1% | Reduced |
| Bank of New York Mellon Corp | 408,520 | $2.05M | 0.00% | +43,998+12.1% | Added |
| Kent Lake Capital LLC | 396,154 | $1.99M | 0.92% | +396,154 | New |
| Bank of America Corp | 388,506 | $1.95M | 0.00% | +19,917+5.4% | Added |
| Nuveen Asset Management, LLC | 285,095 | $1.43M | 0.00% | +23,235+8.9% | Added |
| Morgan Stanley | 276,263 | $1.39M | 0.00% | +56,557+25.7% | Added |
| Isthmus Partners, LLC | 259,021 | $1.30M | 0.18% | −1,223−0.5% | Reduced |
| TLS Advisors LLC | 250,185 | $1.26M | 5.40% | −106,407−29.8% | Reduced |
| Swiss National Bank | 185,903 | $935.1K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 174,074 | $875.6K | 0.00% | −66,180−27.5% | Reduced |
| JPMorgan Chase & Co | 168,631 | $848.2K | 0.00% | −7,832−4.4% | Reduced |
| Cornerstone Capital, Inc. | 166,016 | $835.1K | 0.10% | −8,643−4.9% | Reduced |
| Rhumbline Advisers | 150,823 | $758.6K | 0.00% | +22,534+17.6% | Added |
| Renaissance Technologies LLC | 139,859 | $703.0K | 0.00% | +139,859 | New |
| Alliancebernstein L.P. | 113,685 | $571.8K | 0.00% | +5,820+5.4% | Added |
| Court Place Advisors, LLC | 111,657 | $561.6K | 0.20% | −2,450−2.1% | Reduced |
| California State Teachers Retirement System | 107,270 | $539.6K | 0.00% | +2,968+2.8% | Added |
| Credit Suisse AG | 105,527 | $530.8K | 0.00% | +18,779+21.6% | Added |
| Standard Life Aberdeen plc | 103,708 | $521.7K | 0.00% | +20.0% | Added |
| D. E. Shaw & Co., Inc. | 94,493 | $475.3K | 0.00% | +94,493 | New |
| Towerview LLC | 85,000 | $427.6K | 0.28% | +85,000 | New |
| Diametric Capital, LP | 81,560 | $410.2K | 0.18% | −34,574−29.8% | Reduced |
| Legal & General Group Plc | 73,370 | $369.1K | 0.00% | +893+1.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 67,794 | $341.0K | 0.00% | +67,794 | New |
| Mariner, LLC | 67,446 | $339.3K | 0.00% | +31,617+88.2% | Added |
| Nebula Research & Development LLC | 59,794 | $300.8K | 0.23% | −3,444−5.4% | Reduced |
| CIBC Private Wealth Group, LLC | 59,584 | $299.7K | 0.00% | −76−0.1% | Reduced |
| Norges Bank | 55,985 | $281.6K | 0.00% | −567,631−91.0% | Reduced |
| MetLife Investment Management | 50,427 | $253.6K | 0.00% | +8,205+19.4% | Added |
| Blair William & Co | 49,639 | $249.7K | 0.00% | −466−0.9% | Reduced |
| American Century Companies Inc | 46,647 | $234.6K | 0.00% | −24,115−34.1% | Reduced |
| Atom Investors LP | 46,081 | $231.8K | 0.09% | −2,321−4.8% | Reduced |
| American International Group, Inc. | 44,881 | $225.8K | 0.00% | +7,688+20.7% | Added |
| Ameriprise Financial Inc | 44,401 | $223.3K | 0.00% | −453−1.0% | Reduced |
| Wells Fargo & Company | 41,984 | $211.2K | 0.00% | +22,625+116.9% | Added |
| UBS Asset Management Americas Inc | 56,705 | $208.7K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 40,900 | $205.7K | 0.00% | +27,200+198.5% | Added |
| Boothbay Fund Management, LLC | 40,568 | $204.1K | 0.01% | −136,247−77.1% | Reduced |
| Voya Investment Management LLC | 37,295 | $187.6K | 0.00% | +8,939+31.5% | Added |
| Advisors Asset Management, Inc. | 34,550 | $173.8K | 0.00% | −239−0.7% | Reduced |
| Barclays PLC | 34,195 | $172.0K | 0.00% | −4,778−12.3% | Reduced |
| Guggenheim Capital LLC | 33,836 | $170.2K | 0.00% | −61−0.2% | Reduced |
| Citigroup Inc | 33,196 | $167.0K | 0.00% | +27,190+452.7% | Added |
| New York State Common Retirement Fund | 32,557 | $163.8K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 31,700 | $159.0K | 0.00% | +15,500+95.7% | Added |
| Principal Financial Group Inc | 30,780 | $154.8K | 0.00% | +30,780 | New |
| UBS Group AG | 27,723 | $139.4K | 0.00% | +26,822+2,976.9% | Added |
| State Board of Administration of Florida Retirement System | 26,473 | $133.2K | 0.00% | +6,530+32.7% | Added |
| First Republic Investment Management, Inc. | 26,366 | $132.6K | 0.00% | −5,943−18.4% | Reduced |
| Susquehanna International Group, LLP | 26,209 | $131.8K | 0.00% | −13,755−34.4% | Reduced |
| Prelude Capital Management, LLC | 26,183 | $131.7K | 0.01% | −11,911−31.3% | Reduced |
| Invesco Ltd. | 25,372 | $127.6K | 0.00% | −1,216−4.6% | Reduced |
| NJ State Employees Deferred Compensation Plan | 24,500 | $123.2K | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 24,349 | $122.5K | 0.00% | −603−2.4% | Reduced |
| LPL Financial LLC | 23,626 | $118.8K | 0.00% | −7,036−22.9% | Reduced |
| Pinnacle Associates Ltd | 21,585 | $108.6K | 0.00% | +21,585 | New |
| BBR Partners, LLC | 20,000 | $100.6K | 0.01% | +20,000 | New |
| Eagle Asset Management Inc | 19,651 | $98.8K | 0.00% | +1,856+10.4% | Added |
| SEI Investments Co | 19,131 | $96.3K | 0.00% | −3,859−16.8% | Reduced |
| Price T Rowe Associates Inc | 18,904 | $96.0K | 0.00% | +4,819+34.2% | Added |
| Legato Capital Management LLC | 18,590 | $93.5K | 0.01% | 00.0% | Unchanged |
| Trivant Custom Portfolio Group, LLC | 18,000 | $90.5K | 0.06% | −4,250−19.1% | Reduced |
| Bleakley Financial Group, LLC | 16,449 | $82.7K | 0.00% | +16,449 | New |
| Sawtooth Solutions, LLC | 15,990 | $80.4K | 0.00% | +15,990 | New |
| Henshaw Capital LLC | 15,807 | $79.5K | 0.00% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 15,560 | $78.3K | 0.00% | −1,990−11.3% | Reduced |
| Two Sigma Advisers, LP | 15,050 | $75.7K | 0.00% | +2,200+17.1% | Added |
| CIBC Asset Management Inc | 14,396 | $72.4K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 14,264 | $72.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 14,263 | $72.0K | 0.00% | +5,811+68.8% | Added |
| Thrive Wealth Management, LLC | 14,131 | $71.1K | 0.02% | +14,131 | New |
| HighTower Advisors, LLC | 13,052 | $66.0K | 0.00% | −29−0.2% | Reduced |
| Tower Research Capital LLC (TRC) | 12,445 | $62.6K | 0.00% | −12,811−50.7% | Reduced |
| ProShare Advisors LLC | 12,127 | $61.0K | 0.00% | +12,127 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,017 | $60.4K | 0.00% | 00.0% | Unchanged |