Who Owns OmniAb Inc (OABI)? -- Institutional Holders (2026-06-30)
144 institutions reported holding $146.7M of OmniAb Inc (OABI) in SEC 13F filings for 2026-06-30. Largest institutional holders: Whitefort Capital Management, LP ($25.2M), BlackRock, Inc. ($21.9M), VANGUARD GROUP INC ($13.9M), NOMURA HOLDINGS INC ($12.4M), CADIAN CAPITAL MANAGEMENT, LP ($10.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Whitefort Capital Management, LP | $25.2M | 10.2M | Trimmed |
| 2 | BlackRock, Inc. | $21.9M | 8.9M | Added |
| 3 | VANGUARD GROUP INC | $13.9M | 5.6M | Trimmed |
| 4 | NOMURA HOLDINGS INC | $12.4M | 5.0M | Added |
| 5 | CADIAN CAPITAL MANAGEMENT, LP | $10.4M | 4.2M | Added |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $7.1M | 2.9M | Trimmed |
| 7 | RICE HALL JAMES & ASSOCIATES, LLC | $6.4M | 2.6M | Added |
| 8 | PRIVATE MANAGEMENT GROUP INC | $5.8M | 2.3M | Trimmed |
| 9 | STATE STREET CORP | $5.2M | 2.1M | Added |
| 10 | DIMENSIONAL FUND ADVISORS LP | $3.1M | 1.3M | Trimmed |
| 11 | TOWERVIEW LLC | $2.9M | 1.2M | Added |
| 12 | Sixth Street Partners Management Company, L.P. | $2.4M | 966,877 | New |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $2.4M | 966,877 | Added |
| 14 | NORTHERN TRUST CORP | $2.3M | 948,294 | Added |
| 15 | ADAR1 Capital Management, LLC | $2.3M | 947,412 | Added |
| 16 | ISTHMUS PARTNERS, LLC | $2.0M | 803,428 | Added |
| 17 | TWO SIGMA INVESTMENTS, LP | $1.6M | 657,432 | Added |
| 18 | Nuveen, LLC | $1.6M | 642,811 | Added |
| 19 | RENAISSANCE TECHNOLOGIES LLC | $1.5M | 600,350 | Added |
| 20 | D. E. Shaw & Co., Inc. | $1.4M | 559,404 | Added |
| 21 | MACKENZIE FINANCIAL CORP | $1.2M | 489,134 | New |
| 22 | GOLDMAN SACHS GROUP INC | $946,049 | 384,573 | Trimmed |
| 23 | MORGAN STANLEY | $913,905 | 371,506 | Trimmed |
| 24 | MILLENNIUM MANAGEMENT LLC | $864,306 | 474,159 | Trimmed |
| 25 | Bank of New York Mellon Corp | $783,279 | 318,406 | Added |
Source: SEC Form 13F filings · as of 2026-06-30