OmniabOABI
13F holders, Q2 2026 (June 30)131holders +3
21new positions
17sold out
5famous investors
$2.45avg. 13F price*
At the end of Q2 2026, 131 institutions reported holding Omniab Inc. (OABI) in their 13F filings, up 3 from Q1 2026. 21 opened new positions and 17 sold out. The largest holders were Whitefort Capital Management, LP ($25.2M), BlackRock, Inc. ($21.9M) and Nomura Holdings Inc. ($12.4M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Omniab Inc.
- CUSIP
- 68218J103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $3.1M |
| Exits | 17 | $539K |
All 13F filers, Q1 2026 → Q2 2026: 8,437,607 shares bought and 5,595,081 shares sold, net +2,842,526 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 131 holders
| Whitefort Capital Management, LP | 6.44% | Reduce -27.9% | 10,248,658 | $25.2M |
| BlackRock, Inc. | 0.00% | Add +9.8% | 8,897,490 | $21.9M |
| Nomura Holdings Inc. | 0.05% | Add +613.2% | 5,028,160 | $12.4M |
| Cadian Capital Management, LP | 0.78% | Add +1.3% | 4,211,821 | $10.4M |
| Vanguard Capital Management LLC | 0.00% | Reduce -3.5% | 3,852,356 | $9.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -1.4% | 2,883,978 | $7.1M |
| Rice Hall James & Associates, LLC | 0.31% | Add +2.5% | 2,610,434 | $6.4M |
| Private Management Group Inc. | 0.15% | Reduce -3.5% | 2,344,770 | $5.8M |
| State Street Corp. | 0.00% | Add +3.2% | 2,133,549 | $5.2M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -27.7% | 1,262,099 | $3.1M |
| Towerview LLC | 1.90% | Add +18.0% | 1,180,000 | $2.9M |
| Vanguard Portfolio Management LLC | 0.00% | Add +8.5% | 980,416 | $2.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.8% | 966,877 | $2.4M |
| Northern Trust Corp. | 0.00% | Add +7.7% | 948,294 | $2.3M |
| ADAR1 Capital Management, LLC | 0.11% | Add +34.4% | 947,412 | $2.3M |
| Isthmus Partners, LLC | 0.19% | Add +6.2% | 803,428 | $2.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +4.5% | 758,460 | $1.9M |
| Two Sigma Investments, LP | 0.00% | Add +28.2% | 657,432 | $1.6M |
| Nuveen, LLC | 0.00% | Add +3.0% | 642,811 | $1.6M |
| Renaissance Technologies | 0.00% | Add +122.7% | 600,350 | $1.5M |
| D. E. Shaw & Co. | 0.00% | Add +47.1% | 559,404 | $1.4M |
| Mackenzie Financial Corp. | 0.00% | New | 489,134 | $1.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -8.2% | 384,573 | $946K |
| Morgan Stanley | 0.00% | Reduce -8.9% | 371,506 | $914K |
| Millennium Management | 0.00% | Reduce -9.5% | 474,159 | $864K |
| Bank of New York Mellon Corp | 0.00% | Add +16.0% | 318,406 | $783K |
| TLS Advisors LLC | 1.60% | Reduce -11.8% | 220,685 | $543K |
| FMR LLC | 0.00% | Add +5.4% | 199,818 | $492K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 198,900 | $489K |
| Arbiter Partners Capital Management LLC | 0.25% | No change | 192,585 | $474K |
| Rhumbline Advisers | 0.00% | Add +8.0% | 171,957 | $423K |
| Palumbo Wealth Management LLC | 0.08% | New | 161,975 | $398K |
| Invesco Ltd. | 0.00% | Add +19.5% | 161,376 | $397K |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 159,621 | $393K |
| AQR Capital Management | 0.00% | Add +36.4% | 157,716 | $388K |
| Bank of America Corp. | 0.00% | Add +22.9% | 149,493 | $368K |
| Walleye Capital LLC | 0.00% | New | 144,427 | $355K |
| Cornerstone Capital, Inc. | 0.03% | No change | 142,286 | $350K |
| Acadian Asset Management LLC | 0.00% | New | 132,385 | $323K |
| JPMorgan Chase & Co. | 0.00% | Reduce -10.9% | 107,049 | $275K |
| Deutsche Bank AG | 0.00% | Add +8.8% | 100,842 | $248K |
| Wells Fargo & Company | 0.00% | Add +99.9% | 100,229 | $247K |
| Alliancebernstein L.P. | 0.00% | Add +3.6% | 155,992 | $245K |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.0% | 80,106 | $198K |
| American Century Companies Inc. | 0.00% | Add +115.7% | 75,083 | $185K |
| XTX Topco Ltd | 0.00% | Add +65.5% | 73,907 | $182K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +411.9% | 72,357 | $178K |
| MetLife Investment Management, LLC | 0.00% | Add +36.6% | 65,744 | $162K |
| Russell Investments Group, Ltd. | 0.00% | Add +490.6% | 63,783 | $157K |
| Citadel Advisors | 0.00% | Reduce -74.5% | 58,190 | $143K |
| Thrivent Financial for Lutherans | 0.00% | New | 55,342 | $136K |
| Citigroup Inc. | 0.00% | Add +460.6% | 54,667 | $134K |
| Sei Investments Co. | 0.00% | Reduce -11.9% | 53,390 | $131K |
| Shay Capital LLC | 0.01% | Add +3.7% | 51,500 | $127K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 51,396 | $126K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +1.1% | 50,644 | $125K |
| Blair William & Co. | 0.00% | Add +0.4% | 43,394 | $107K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +87.1% | 42,217 | $104K |
| Prudential Financial Inc. | 0.00% | Add +102.1% | 38,969 | $96K |
| Susquehanna International Group, LLP | 0.00% | Reduce -14.3% | 35,691 | $88K |
| Squarepoint Ops LLC | 0.00% | Add +252.4% | 35,357 | $87K |
| LPL Financial LLC | 0.00% | Reduce -3.7% | 34,821 | $86K |
| Woodstock Corp. | 0.01% | Reduce -14.7% | 29,376 | $72K |
| Intech Investment Management LLC | 0.00% | Reduce -3.9% | 27,824 | $68K |
| Barclays PLC | 0.00% | Reduce -8.0% | 26,469 | $65K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -14.4% | 24,785 | $61K |
| Voya Investment Management LLC | 0.00% | Add +29.8% | 23,613 | $58K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -9.7% | 23,072 | $57K |
| HighTower Advisors, LLC | 0.00% | Add +2.6% | 21,609 | $53K |
| Bfsg, LLC | 0.00% | No change | 20,815 | $51K |
| Qube Research & Technologies Ltd | 0.00% | New | 20,186 | $50K |
| BNP Paribas Financial Markets | 0.00% | Reduce -27.5% | 19,822 | $49K |
| Quadrature Capital Ltd | 0.00% | New | 19,492 | $48K |
| ProShare Advisors LLC | 0.00% | Reduce -15.1% | 19,155 | $47K |
| Thrive Wealth Management, LLC | 0.01% | Add +4.4% | 18,046 | $44K |
| UBS Group AG | 0.00% | Reduce -82.6% | 17,849 | $44K |
| Two Sigma Securities, LLC | 0.00% | New | 15,726 | $39K |
| Osaic Holdings, Inc. | 0.00% | Add +181.1% | 15,459 | $38K |
| Canada Pension Plan Investment Board | 0.00% | New | 15,100 | $37K |
| Victory Capital Management Inc. | 0.00% | Add +1.2% | 13,649 | $34K |
| Mercer Global Advisors Inc. | 0.00% | Add +23.0% | 12,357 | $30K |
| Choreo, LLC | 0.00% | Add +0.4% | 12,232 | $30K |
| New York State Common Retirement Fund | 0.00% | No change | 11,806 | $29K |
| Legal & General Group Plc | 0.00% | Add +21.4% | 11,284 | $28K |
| Legato Capital Management LLC | 0.00% | Reduce -61.3% | 10,913 | $27K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -57.2% | 10,793 | $27K |
| Virtu Financial LLC | 0.00% | New | 10,565 | $26K |
| Xponance LLC | 0.00% | New | 10,472 | $26K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 9,652 | $24K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -77.2% | 8,044 | $20K |
| Summit Securities Group LLC | 0.00% | New | 7,882 | $19K |
| Steigerwald, Gordon & Koch Inc. | 0.00% | No change | 7,673 | $19K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -17.2% | 6,484 | $16K |
| Royal Bank of Canada | 0.00% | Add +198.1% | 5,219 | $13K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -7.1% | 2,973 | $7K |
| Allworth Financial LP | 0.00% | Add +13.1% | 2,771 | $7K |
| Jackson, Grant Investment Advisers, Inc. | 0.00% | No change | 2,450 | $6K |
| Sterling Capital Management LLC | 0.00% | Reduce -33.0% | 2,217 | $5K |
| Redwood Park Advisors LLC | 0.00% | No change | 2,184 | $5K |
| SBI Securities Co., Ltd. | 0.00% | Add +8479.2% | 2,059 | $5K |
| Parallel Advisors, LLC | 0.00% | No change | 1,854 | $5K |
| Arax Advisory Partners | 0.00% | Add +19912.5% | 1,601 | $4K |
| California State Teachers Retirement System | 0.00% | Reduce -75.7% | 1,515 | $4K |
| Larson Financial Group LLC | 0.00% | No change | 1,444 | $4K |
| Cheviot Value Management, LLC | 0.00% | No change | 980 | $2K |
| Optiver Holding B.V. | 0.00% | Reduce -10.2% | 848 | $2K |
| North Star Investment Management Corp. | 0.00% | No change | 550 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +2.2% | 521 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Add +6.1% | 520 | $1K |
| Dynamic Wealth Strategies, LLC | 0.00% | No change | 411 | $1K |
| Signaturefd, LLC | 0.00% | No change | 361 | $888 |
| Parkside Financial Bank & Trust | 0.00% | New | 347 | $854 |
| Comprehensive Financial Planning, Inc. | 0.00% | No change | 323 | $795 |
| Quarry LP | 0.00% | New | 317 | $780 |
| C M Bidwell & Associates Ltd. | 0.00% | New | 233 | $573 |
| Farther Finance Advisors, LLC | 0.00% | Add +516.1% | 191 | $479 |
| IFG Advisory, LLC | 0.00% | New | 190 | $468 |
| CENTRAL TRUST Co | 0.00% | No change | 171 | $421 |
| TD Private Client Wealth LLC | 0.00% | New | 170 | $418 |
| Rothschild Investment LLC | 0.00% | Add +75.0% | 154 | $379 |
| GAMMA Investing LLC | 0.00% | Reduce -86.3% | 128 | $315 |
| Fifth Third Bancorp | 0.00% | No change | 127 | $312 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | No change | 127 | $312 |
| IFP Advisors, Inc | 0.00% | Reduce -8.4% | 87 | $214 |
| True Wealth Design, LLC | 0.00% | Add +237.5% | 54 | $133 |
| Wealth Enhancement Trust Services, Inc. | 0.00% | New | 35 | $86 |
| Clearstead Advisors, LLC | 0.00% | New | 29 | $72 |
| SJS Investment Consulting Inc. | 0.00% | Add +833.3% | 28 | $69 |
| Mather Group, Llc. | 0.00% | No change | 21 | $52 |
| JPL Wealth Management, LLC | 0.00% | New | 7 | $18 |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +400.0% | 5 | $12 |
"% of holder's portfolio" is OABI's weight in each manager's 13F, not the share of Omniab Inc. the manager owns.