OmniabOABI
13F holders, Q3 2025 (September 30)140holders −4
16new positions
18sold out
5famous investors
$1.60avg. 13F price*
At the end of Q3 2025, 140 institutions reported holding Omniab Inc. (OABI) in their 13F filings, down 4 from Q2 2025. 16 opened new positions and 18 sold out. The largest holders were Whitefort Capital Management, LP ($22.8M), BlackRock, Inc. ($11.1M) and Vanguard Group Inc. ($8.2M). 5 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 David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Omniab Inc.
- CUSIP
- 68218J103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 16 | $14.9M |
| Exits | 18 | $4.0M |
All 13F filers, Q2 2025 → Q3 2025: 15,527,447 shares bought and 7,466,283 shares sold, net +8,061,164 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 140 holders
| Whitefort Capital Management, LP | 7.92% | Add +38.9% | 14,223,658 | $22.8M |
| BlackRock, Inc. | 0.00% | Reduce -0.5% | 6,964,222 | $11.1M |
| Vanguard Group Inc. | 0.00% | Reduce -2.3% | 5,148,061 | $8.2M |
| Cadian Capital Management, LP | 0.35% | New | 3,675,568 | $5.9M |
| Woodline Partners LP | 0.02% | New | 2,857,142 | $4.6M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -12.5% | 2,548,284 | $4.1M |
| Private Management Group Inc. | 0.12% | Reduce -1.6% | 2,518,279 | $4.0M |
| Rice Hall James & Associates, LLC | 0.21% | Reduce -8.2% | 2,412,038 | $3.9M |
| Geode Capital Management, LLC | 0.00% | Reduce -4.6% | 2,326,236 | $3.7M |
| Stonepine Capital Management, LLC | 2.79% | New | 2,142,857 | $3.4M |
| State Street Corp. | 0.00% | Add +4.2% | 2,094,846 | $3.4M |
| ADAR1 Capital Management, LLC | 0.17% | Add +234.4% | 1,090,628 | $1.7M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -9.0% | 1,006,256 | $1.6M |
| Nuveen, LLC | 0.00% | Add +79.5% | 874,510 | $1.4M |
| Citadel Advisors | 0.00% | Reduce -60.8% | 836,799 | $1.3M |
| Towerview LLC | 0.97% | No change | 831,100 | $1.3M |
| Morgan Stanley | 0.00% | Add +6.8% | 820,222 | $1.3M |
| Northern Trust Corp. | 0.00% | Reduce -2.2% | 818,466 | $1.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -5.6% | 785,477 | $1.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -3.9% | 762,912 | $1.2M |
| Isthmus Partners, LLC | 0.13% | Add +17.8% | 669,071 | $1.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +92.1% | 587,786 | $940K |
| Renaissance Technologies | 0.00% | Reduce -26.0% | 523,454 | $838K |
| Kent Lake PR LLC | 0.41% | Reduce -71.4% | 500,000 | $800K |
| Woodstock Corp. | 0.05% | Reduce -43.4% | 351,753 | $563K |
| Royal Bank of Canada | 0.00% | Reduce -11.3% | 303,163 | $485K |
| Tang Capital Management LLC | 0.02% | No change | 300,000 | $480K |
| Two Sigma Investments, LP | 0.00% | Add +25.9% | 291,735 | $467K |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.6% | 263,698 | $422K |
| Gsa Capital Partners LLP | 0.04% | Add +902.4% | 262,371 | $420K |
| TLS Advisors LLC | 1.13% | No change | 250,185 | $388K |
| Ameriprise Financial Inc. | 0.00% | Reduce -16.8% | 232,787 | $372K |
| Jane Street Group, LLC | 0.00% | Add +23.0% | 189,082 | $303K |
| D. E. Shaw & Co. | 0.00% | New | 186,281 | $298K |
| Graham Capital Management, L.P. | 0.01% | New | 167,172 | $267K |
| Millennium Management | 0.00% | Reduce -56.0% | 285,801 | $260K |
| Rhumbline Advisers | 0.00% | Add +0.1% | 160,936 | $257K |
| Arbiter Partners Capital Management LLC | 0.18% | New | 160,529 | $257K |
| FMR LLC | 0.00% | Add +12.2% | 154,546 | $247K |
| Bridgeway Capital Management, LLC | 0.01% | Add +185.5% | 153,900 | $246K |
| Alliancebernstein L.P. | 0.00% | No change | 150,592 | $241K |
| Barclays PLC | 0.00% | Reduce -20.9% | 143,710 | $230K |
| Two Sigma Advisers, LP | 0.00% | Add +16.8% | 126,030 | $202K |
| Invesco Ltd. | 0.00% | Add +13.2% | 124,051 | $198K |
| Cornerstone Capital, Inc. | 0.02% | Reduce -33.3% | 109,211 | $175K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 96,361 | $154K |
| Sei Investments Co. | 0.00% | Add +32.6% | 81,045 | $130K |
| Wells Fargo & Company | 0.00% | Add +9.4% | 80,596 | $129K |
| Deutsche Bank AG | 0.00% | Reduce -53.5% | 77,997 | $125K |
| HRT Financial LP | 0.00% | New | 70,215 | $112K |
| Connors Investor Services Inc. | 0.01% | Reduce -0.1% | 61,941 | $99K |
| MetLife Investment Management, LLC | 0.00% | Reduce -11.1% | 56,660 | $91K |
| T. Rowe Price Associates Inc. | 0.00% | Add +11.7% | 53,190 | $86K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -2.8% | 52,270 | $84K |
| Intech Investment Management LLC | 0.00% | Reduce -13.2% | 50,565 | $81K |
| Bank of America Corp. | 0.00% | Reduce -32.4% | 48,030 | $77K |
| Blair William & Co. | 0.00% | No change | 45,171 | $72K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -21.9% | 43,448 | $70K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -7.7% | 41,694 | $67K |
| UBS Group AG | 0.00% | Reduce -71.3% | 39,664 | $63K |
| Squarepoint Ops LLC | 0.00% | Add +114.2% | 35,431 | $57K |
| Cerity Partners LLC | 0.00% | Add +30.7% | 29,562 | $47K |
| Legato Capital Management LLC | 0.00% | No change | 28,189 | $45K |
| Corient Private Wealth LP | 0.00% | Reduce -9.8% | 27,289 | $44K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | New | 24,636 | $39K |
| NJ State Employees Deferred Compensation Plan | 0.00% | No change | 24,500 | $39K |
| AQR Capital Management | 0.00% | Add +1.3% | 23,087 | $37K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +21.2% | 22,568 | $36K |
| BNP Paribas Financial Markets | 0.00% | Add +92.5% | 21,721 | $35K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -12.5% | 21,508 | $34K |
| HighTower Advisors, LLC | 0.00% | No change | 21,382 | $34K |
| Bfsg, LLC | 0.00% | Reduce -12.1% | 20,435 | $33K |
| ProShare Advisors LLC | 0.00% | Reduce -19.0% | 20,363 | $33K |
| BBR Partners, LLC | 0.00% | No change | 20,000 | $32K |
| Voya Investment Management LLC | 0.00% | Reduce -36.2% | 19,496 | $31K |
| LPL Financial LLC | 0.00% | Reduce -4.5% | 18,800 | $30K |
| Quadrature Capital Ltd | 0.00% | Add +42.3% | 17,446 | $28K |
| Thrive Wealth Management, LLC | 0.00% | No change | 17,281 | $28K |
| Susquehanna International Group, LLP | 0.00% | Reduce -87.7% | 14,925 | $24K |
| Osaic Holdings, Inc. | 0.00% | Reduce -5.1% | 13,522 | $22K |
| Dynamic Technology Lab Private Ltd | 0.00% | Add +7.0% | 13,435 | $21K |
| Prudential Financial Inc. | 0.00% | No change | 12,543 | $20K |
| Choreo, LLC | 0.00% | Add +5.0% | 12,380 | $20K |
| SG Americas Securities, LLC | 0.00% | Reduce -16.6% | 11,772 | $19K |
| New York State Common Retirement Fund | 0.00% | No change | 11,806 | $19K |
| Cubist Systematic Strategies, LLC | 0.00% | Reduce -84.3% | 11,310 | $18K |
| Citigroup Inc. | 0.00% | Reduce -72.2% | 11,118 | $18K |
| Avior Wealth Management, LLC | 0.00% | Reduce -4.0% | 10,704 | $17K |
| Court Place Advisors, LLC | 0.01% | Reduce -33.9% | 10,533 | $17K |
| Victory Capital Management Inc. | 0.00% | Reduce -14.4% | 10,071 | $16K |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 0.00% | No change | 10,000 | $16K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 9,652 | $15K |
| Russell Investments Group, Ltd. | 0.00% | Add +1163.0% | 9,586 | $15K |
| Legal & General Group Plc | 0.00% | No change | 9,557 | $15K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -48.9% | 8,343 | $13K |
| Steigerwald, Gordon & Koch Inc. | 0.00% | New | 7,673 | $12K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 6,692 | $11K |
| Spire Wealth Management | 0.00% | No change | 6,510 | $10K |
| Cwm, LLC | 0.00% | Reduce -19.7% | 6,055 | $10K |
| Sterling Capital Management LLC | 0.00% | Add +131.6% | 5,567 | $9K |
"% of holder's portfolio" is OABI's weight in each manager's 13F, not the share of Omniab Inc. the manager owns.