OmniAb, Inc. (OABI) ownership: Top institutional holder: Whitefort Capital Management, LP ($22.33M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Whitefort Capital Management, LP | 14223658.00 | $22.33M | 2026-03-31 |
| JANUS HENDERSON GROUP PLC | 8058228.00 | $19.50M | 2025-03-31 |
| BlackRock, Inc. | 8106881.00 | $12.73M | 2026-03-31 |
| VANGUARD GROUP INC | 5625197.00 | $10.41M | 2025-12-31 |
| CADIAN CAPITAL MANAGEMENT, LP | 4157129.00 | $6.53M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3993652.00 | $6.27M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 2925579.00 | $4.59M | 2026-03-31 |
| RICE HALL JAMES & ASSOCIATES, LLC | 2547255.00 | $4.00M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.