OmniabOABI
13F holders, Q2 2025 (June 30)144holders −8
25new positions
34sold out
4famous investors
$1.74avg. 13F price*
At the end of Q2 2025, 144 institutions reported holding Omniab Inc. (OABI) in their 13F filings, down 8 from Q1 2025. 25 opened new positions and 34 sold out. The largest holders were Whitefort Capital Management, LP ($17.8M), BlackRock, Inc. ($12.2M) and Vanguard Group Inc. ($9.2M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 25 | $4.0M |
| Exits | 34 | $53.4M |
All 13F filers, Q1 2025 → Q2 2025: 16,009,849 shares bought and 24,389,700 shares sold, net −8,379,851 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 144 holders
| Whitefort Capital Management, LP | 7.45% | Add +161.6% | 10,240,146 | $17.8M |
| BlackRock, Inc. | 0.00% | Reduce -0.8% | 7,001,179 | $12.2M |
| Vanguard Group Inc. | 0.00% | Add +1.7% | 5,268,315 | $9.2M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -7.0% | 2,913,764 | $5.1M |
| Rice Hall James & Associates, LLC | 0.25% | Add +1.8% | 2,627,123 | $4.6M |
| Private Management Group Inc. | 0.14% | Add +1.1% | 2,558,045 | $4.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.9% | 2,439,424 | $4.2M |
| Citadel Advisors | 0.00% | Add +999.1% | 2,132,592 | $3.7M |
| State Street Corp. | 0.00% | Add +4.7% | 2,010,909 | $3.5M |
| Kent Lake PR LLC | 1.34% | Add +677.8% | 1,750,000 | $3.0M |
| Jacobs Levy Equity Management, Inc. | 0.01% | New | 1,105,524 | $1.9M |
| Royce & Associates LP | 0.02% | Add +6.1% | 867,080 | $1.5M |
| Northern Trust Corp. | 0.00% | Add +1.2% | 836,869 | $1.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.6% | 832,274 | $1.4M |
| Towerview LLC | 1.03% | Add +43.3% | 831,100 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Add +28.4% | 793,734 | $1.4M |
| Morgan Stanley | 0.00% | Add +53.9% | 767,621 | $1.3M |
| Renaissance Technologies | 0.00% | Add +2560.0% | 707,550 | $1.2M |
| Woodstock Corp. | 0.10% | Reduce -16.3% | 621,684 | $1.1M |
| Isthmus Partners, LLC | 0.12% | Add +21.2% | 568,043 | $988K |
| Millennium Management | 0.00% | Add +393.9% | 650,316 | $917K |
| Murchinson Ltd. | 0.50% | Reduce -50.1% | 502,810 | $875K |
| Nuveen, LLC | 0.00% | Add +113.9% | 487,261 | $848K |
| Marshall Wace, LLP | 0.00% | New | 359,665 | $626K |
| Royal Bank of Canada | 0.00% | Add +4613.3% | 341,995 | $596K |
| ADAR1 Capital Management, LLC | 0.09% | Add +158.6% | 326,108 | $567K |
| Goldman Sachs Group Inc. | 0.00% | Add +25.6% | 306,046 | $533K |
| Tang Capital Management LLC | 0.03% | No change | 300,000 | $522K |
| Ameriprise Financial Inc. | 0.00% | Add +854.6% | 279,789 | $487K |
| Bank of New York Mellon Corp | 0.00% | Add +4.9% | 270,751 | $471K |
| TLS Advisors LLC | 1.36% | No change | 250,185 | $435K |
| Two Sigma Investments, LP | 0.00% | New | 231,688 | $403K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -50.1% | 188,554 | $328K |
| Barclays PLC | 0.00% | Add +72.0% | 181,677 | $316K |
| Deutsche Bank AG | 0.00% | Reduce -61.3% | 167,551 | $292K |
| Cornerstone Capital, Inc. | 0.03% | Reduce -4.8% | 163,762 | $285K |
| Rhumbline Advisers | 0.00% | Add +6.0% | 160,728 | $280K |
| Jane Street Group, LLC | 0.00% | Add +90.3% | 153,736 | $268K |
| Alliancebernstein L.P. | 0.00% | Add +26.1% | 150,592 | $262K |
| UBS Group AG | 0.00% | Reduce -48.0% | 138,462 | $241K |
| FMR LLC | 0.00% | Add +4.8% | 137,801 | $240K |
| XTX Topco Ltd | 0.01% | Add +156.5% | 137,171 | $239K |
| Susquehanna International Group, LLP | 0.00% | Add +3.0% | 121,544 | $211K |
| Northeast Financial Consultants Inc | 0.01% | No change | 110,996 | $193K |
| Invesco Ltd. | 0.00% | Add +17.0% | 109,613 | $191K |
| Two Sigma Advisers, LP | 0.00% | New | 107,930 | $188K |
| Mirabella Financial Services LLP | 0.02% | No change | 100,381 | $175K |
| Public Employees Retirement System of Ohio | 0.00% | New | 96,361 | $168K |
| Wells Fargo & Company | 0.00% | Add +3.8% | 73,641 | $128K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 72,145 | $126K |
| Bank of America Corp. | 0.00% | Reduce -86.9% | 71,031 | $124K |
| MetLife Investment Management, LLC | 0.00% | Add +74.0% | 63,735 | $111K |
| Connors Investor Services Inc. | 0.01% | Add +25.0% | 62,000 | $108K |
| Sei Investments Co. | 0.00% | Add +199.6% | 61,126 | $106K |
| Intech Investment Management LLC | 0.00% | Reduce -43.2% | 58,224 | $101K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +0.8% | 55,628 | $97K |
| Bridgeway Capital Management, LLC | 0.00% | New | 53,900 | $94K |
| Brevan Howard Capital Management LP | 0.00% | New | 53,779 | $94K |
| T. Rowe Price Associates Inc. | 0.00% | Add +21.1% | 47,616 | $84K |
| Blair William & Co. | 0.00% | No change | 45,171 | $79K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | New | 45,165 | $79K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +20.5% | 44,809 | $78K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.01% | New | 41,638 | $72K |
| Citigroup Inc. | 0.00% | Reduce -44.2% | 39,919 | $69K |
| Voya Investment Management LLC | 0.00% | Add +10.1% | 30,572 | $53K |
| Corient Private Wealth LP | 0.00% | New | 30,253 | $53K |
| Legato Capital Management LLC | 0.01% | Reduce -1.9% | 28,189 | $49K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 26,753 | $47K |
| Gsa Capital Partners LLP | 0.00% | Reduce -79.1% | 26,174 | $46K |
| ProShare Advisors LLC | 0.00% | Reduce -3.7% | 25,138 | $44K |
| China Universal Asset Management Co., Ltd. | 0.00% | Add +1.2% | 24,571 | $43K |
| NJ State Employees Deferred Compensation Plan | 0.01% | No change | 24,500 | $43K |
| Bfsg, LLC | 0.00% | Add +4.7% | 23,235 | $40K |
| AQR Capital Management | 0.00% | Add +121.9% | 22,791 | $40K |
| Cerity Partners LLC | 0.00% | Add +111.5% | 22,612 | $39K |
| HighTower Advisors, LLC | 0.00% | Reduce -2.3% | 21,382 | $37K |
| US Bancorp \de | 0.00% | New | 20,794 | $36K |
| BBR Partners, LLC | 0.00% | No change | 20,000 | $35K |
| LPL Financial LLC | 0.00% | Reduce -1.6% | 19,691 | $34K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 18,614 | $32K |
| Thrive Wealth Management, LLC | 0.00% | Add +7.5% | 17,281 | $30K |
| CWC Advisors, LLC. | 0.02% | Add +2.7% | 17,261 | $30K |
| Squarepoint Ops LLC | 0.00% | Add +11.5% | 16,541 | $29K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +141.4% | 16,331 | $28K |
| Court Place Advisors, LLC | 0.01% | Reduce -20.4% | 15,923 | $28K |
| Osaic Holdings, Inc. | 0.00% | Add +214.4% | 14,247 | $25K |
| SG Americas Securities, LLC | 0.00% | Reduce -55.3% | 14,120 | $25K |
| Atom Investors LP | 0.00% | Reduce -21.5% | 12,854 | $22K |
| Dynamic Technology Lab Private Ltd | 0.00% | New | 12,557 | $22K |
| Prudential Financial Inc. | 0.00% | New | 12,543 | $22K |
| Cibc World Markets Corp. | 0.00% | Reduce -41.6% | 12,359 | $22K |
| Focus Partners Wealth | 0.00% | New | 12,342 | $21K |
| Quadrature Capital Ltd | 0.00% | New | 12,258 | $21K |
| New York State Common Retirement Fund | 0.00% | No change | 11,806 | $21K |
| Choreo, LLC | 0.00% | New | 11,791 | $21K |
| Victory Capital Management Inc. | 0.00% | Reduce -0.4% | 11,769 | $20K |
| BNP Paribas Financial Markets | 0.00% | Add +13.3% | 11,283 | $20K |
| Avior Wealth Management, LLC | 0.00% | New | 11,151 | $19K |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 0.00% | No change | 10,000 | $17K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 9,652 | $17K |
"% of holder's portfolio" is OABI's weight in each manager's 13F, not the share of Omniab Inc. the manager owns.